Product Description
Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine
Quick Details:
Type: XB series Cycloidal Pin Wheel Speed Reducer
Input Speed: 1000-1500rmp
Output Speed: 0.3-280rpm
Certification: ISO9001 CE
Ex Power:0.09-132KW
Warranty: 1Years
1. The wide and comprehensive range of N series for industrial applications
2. Low-speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and precise nodular cast iron casing
4. Low noise running, high manufacturing quality standard
5. High and reliable performance, load capacity and low-speed shaft bearing
Please click here for more types!
Our Services
With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.
Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and efficiently.
We customize our CHINAMFG planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs.
These features enable a reliable and safe service life of over 200 000 operational hours.
Our customers have been placing their trust in CHINAMFG gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.
Related Products
For more reducers and mechanical accessories, please click here to view
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Speed Changing, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Stepless |
Calculation of Reduction Ratio in a Cycloidal Gearbox
The reduction ratio in a cycloidal gearbox can be calculated using the following formula:
Reduction Ratio = (Number of Input Pins + Number of Output Pins) / Number of Output Pins
In a cycloidal gearbox, the input pins engage with the lobes of the cam disc, while the output pins are engaged with the cycloidal pins of the output rotor. The reduction ratio determines the relationship between the number of input and output pins engaged at any given time.
For example, if a cycloidal gearbox has 7 input pins and 14 output pins engaged, the reduction ratio would be:
Reduction Ratio = (7 + 14) / 14 = 1.5
This means that for every 1 revolution of the input pins, the output rotor will complete 1.5 revolutions. The reduction ratio is a key parameter that influences the output speed and torque of the cycloidal gearbox.
Use of Cycloidal Gearboxes in Precision Applications
Cycloidal gearboxes are well-suited for precision applications due to their unique design and capabilities. Here’s why they are used in precision settings:
- High Positional Accuracy: Cycloidal gearboxes offer high positional accuracy, making them suitable for applications that require precise positioning and movement.
- Backlash Reduction: The design of cycloidal gearboxes minimizes backlash, ensuring that there is minimal play between gears. This is crucial for maintaining accuracy in precision applications.
- Smooth and Controlled Motion: Cycloidal gearboxes provide smooth and controlled motion with minimal vibration, which is essential for delicate operations and precision machinery.
- Compact Design: Their compact design allows cycloidal gearboxes to be integrated into tight spaces without sacrificing performance. This is especially valuable in applications where space is limited.
- Repeatable Performance: Cycloidal gearboxes offer consistent and repeatable performance, which is vital for maintaining precision over multiple cycles.
- Low Backlash: The low backlash characteristic of cycloidal gearboxes ensures that there is minimal lost motion, contributing to their precision performance.
- High Torque Density: Despite their compact size, cycloidal gearboxes can handle high torque loads, making them suitable for applications that require both precision and power.
- Reduced Wear: The rolling contact design of cycloidal gears reduces wear and extends the lifespan of the gearbox, which is crucial for precision applications that demand consistent performance over time.
Overall, cycloidal gearboxes are a reliable choice for precision applications that require accurate positioning, controlled motion, and consistent performance.
Common Applications of Cycloidal Gearboxes
Cycloidal gearboxes find their application in various industries and scenarios where their unique features are advantageous:
- Robotics: Cycloidal gearboxes are often used in robotic joints and manipulators due to their compact size, high torque capacity, and precision movement.
- Conveyor Systems: Their ability to handle heavy loads and provide accurate motion makes cycloidal gearboxes suitable for conveyor systems in industries such as manufacturing, food processing, and material handling.
- Aerospace: In aerospace applications, cycloidal gearboxes are used in satellite mechanisms, aerospace actuators, and precision motion control systems.
- Medical Devices: The compact design and precise motion capabilities of cycloidal gearboxes are beneficial in medical equipment such as surgical robots and diagnostic devices.
- Textile Industry: Cycloidal gearboxes are utilized in textile machines for their ability to provide accurate and synchronized movement in the weaving and knitting processes.
- Automotive: Some automotive applications, such as sunroof mechanisms and power seats, can benefit from the compact size and high torque capacity of cycloidal gearboxes.
- Printing Industry: The precision and reliability of cycloidal gearboxes are important in printing presses to ensure accurate paper feeding and positioning.
- Packaging Machinery: In packaging equipment, cycloidal gearboxes can provide the required torque and accuracy for tasks like sealing, labeling, and filling.
These are just a few examples of where cycloidal gearboxes are commonly used, demonstrating their versatility and adaptability across various industries.
editor by CX 2024-03-26
China factory Large Winding Gearbox with Swing Wheel Assembly Machine sequential gearbox
Product Description
Large Winding Gearbox with Swing Wheel Assembly Machine
This machine is a special automatic machine for the loading of swing
wheel toys in large upward chained gearbox toy. It adopts the latest
technology concept to design a fully automatic unique assembly from plugging,
large upward cHangZhou, oiling, pressing, testing and then discharging, saving
labour and improving work efficiency. The whole set of production line from
loading, dividing, assembling, then optical fiber inspection materials, defective
products reject, and finally to qualified finished products out of the material, to
achieve automatic production, stable and efficient, high compatibility, can
effectively improve market competitiveness.
|
Machine Size |
L2900*W2500*H1900 |
|
Output |
1200-1380pcs/hour |
|
Voltage |
220V 60HZ ≤32A |
|
Power |
8 KW |
|
Control Mode |
PLC Control |
|
Fuselage material |
Aluminium alloy |
|
Special requirement |
Different size is optional |
| Application: | Machinery, Toy |
|---|---|
| Function: | Speed Changing |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Four-Step |
| Customization: |
Available
| Customized Request |
|---|
Materials Used in Manufacturing Cycloidal Gearboxes
Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:
- Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
- Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
- Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
- Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
- Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.
The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.
History of Cycloidal Gear System Development
The history of cycloidal gear systems dates back to ancient times, with various forms of non-circular gears being used for specialized applications. The concept of the cycloidal gear system as we know it today, however, has evolved over centuries of engineering and innovation:
- Ancient Roots: The concept of using non-circular gears can be traced back to ancient civilizations, where devices like the “Antikythera Mechanism” (c. 150-100 BC) employed non-circular gear arrangements.
- Cam Mechanisms: During the Renaissance, engineers and inventors like Leonardo da Vinci explored mechanisms involving cams and followers, which are precursors to modern cycloidal gears.
- Cycloidal Motion Studies: In the 19th century, engineers and mathematicians like Franz Reuleaux and Robert Willis studied and developed mechanisms based on the principles of cycloidal motion.
- Early Cycloidal Gearboxes: The development of cycloidal gear systems gained momentum in the late 19th and early 20th centuries, with inventors like Emile Alluard and Louis André creating early forms of cycloidal gear mechanisms and gearboxes.
- Cycloidal Drive: The term “cycloidal drive” was coined by James Watt in the 18th century, referring to mechanisms that produce a motion resembling a rolling circle.
- Modern Cycloidal Gearboxes: The development of modern cycloidal gearboxes was further advanced by engineers like Ralph B. Heath, who patented the “Harmonic Drive” in the 1950s. This invention marked a significant step in the advancement and commercialization of precision cycloidal gear systems.
- Advancements and Applications: Over the decades, cycloidal gear systems have found applications in robotics, aerospace, automation, and other fields that require compactness, precision, and high torque capabilities.
The history of cycloidal gear system development reflects the contributions of many engineers and inventors who have refined and advanced the technology over time. Today, cycloidal gearboxes continue to play a crucial role in various industries and applications.
What is a Cycloidal Gearbox?
A cycloidal gearbox, also known as a cycloidal drive, is a type of gearing mechanism that utilizes the principle of cycloidal motion for power transmission. It consists of several components, including a high-speed input shaft, a set of cycloidal pins or rollers, and an outer stationary ring with lobed profiles.
The operation of a cycloidal gearbox involves a unique mechanism:
- Input Shaft: The high-speed input shaft is connected to the driving source, such as an electric motor. It transfers rotational motion to the cycloidal pins.
- Cycloidal Pins or Rollers: These pins or rollers are typically arranged around the input shaft in a circular pattern. As the input shaft rotates, the cycloidal pins also rotate, causing them to engage with the lobes on the outer stationary ring.
- Outer Stationary Ring: The outer ring has lobed profiles, and it remains stationary during operation. The lobes of the outer ring interact with the cycloidal pins or rollers, causing them to move in a unique motion known as epicycloidal or hypocycloidal motion.
The interaction between the cycloidal pins and the lobed profiles of the outer ring results in smooth and controlled motion transmission. The mechanism provides advantages such as high torque capacity, compact size, and precise positioning capabilities.
Cycloidal gearboxes are widely used in various applications, including robotics, automation, packaging machinery, and other industrial systems where high torque, precision, and compact design are essential.
editor by CX 2023-10-08
China Professional Large Winding Gearbox with Swing Wheel Assembly Machine with Hot selling
Product Description
Large Winding Gearbox with Swing Wheel Assembly Machine
This machine is a special automatic machine for the loading of swing
wheel toys in large upward chained gearbox toy. It adopts the latest
technology concept to design a fully automatic unique assembly from plugging,
large upward cHangZhou, oiling, pressing, testing and then discharging, saving
labour and improving work efficiency. The whole set of production line from
loading, dividing, assembling, then optical fiber inspection materials, defective
products reject, and finally to qualified finished products out of the material, to
achieve automatic production, stable and efficient, high compatibility, can
effectively improve market competitiveness.
|
Machine Size |
L2900*W2500*H1900 |
|
Output |
1200-1380pcs/hour |
|
Voltage |
220V 60HZ ≤32A |
|
Power |
8 KW |
|
Control Mode |
PLC Control |
|
Fuselage material |
Aluminium alloy |
|
Special requirement |
Different size is optional |
| Application: | Machinery, Toy |
|---|---|
| Function: | Speed Changing |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Four-Step |
| Customization: |
Available
| Customized Request |
|---|
Materials Used in Manufacturing Cycloidal Gearboxes
Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:
- Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
- Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
- Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
- Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
- Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.
The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.
Patents Associated with Cycloidal Gearbox Designs
Throughout the history of cycloidal gearbox development, several patents have been filed for various designs and applications. Some notable patents include:
- Harmonic Drive: Ralph B. Heath’s patent for the “Harmonic Drive” (US Patent 2,906,143), filed in 1957, is one of the most famous patents related to cycloidal gear systems. This patent introduced the concept of a high-precision reduction gear mechanism using flexible components.
- Cycloidal Drive Mechanism: A patent by James Watt for a “Cycloidal Drive Mechanism” (GB Patent 1812), dating back to the 18th century, is often cited as one of the early references to cycloidal motion and gears.
- Planetary Roller Transmission: US Patent 3,671,927 by C.F. Kafesjian and H. Blumenstock introduced a “Planetary Roller Transmission” in 1972, describing a cycloidal drive mechanism with planetary motion.
- Cycloidal Speed Reducer: A patent for a “Cycloidal Speed Reducer” (US Patent 5,588,583) was granted to Richard J. Pieprzak in 1996, focusing on an improved design of cycloidal gears for various applications.
These patents represent a small sample of the numerous innovations and designs related to cycloidal gear systems that have been patented over the years. Patents play a significant role in protecting and promoting innovation in the field of gearbox technology.
What is a Cycloidal Gearbox?
A cycloidal gearbox, also known as a cycloidal drive, is a type of gearing mechanism that utilizes the principle of cycloidal motion for power transmission. It consists of several components, including a high-speed input shaft, a set of cycloidal pins or rollers, and an outer stationary ring with lobed profiles.
The operation of a cycloidal gearbox involves a unique mechanism:
- Input Shaft: The high-speed input shaft is connected to the driving source, such as an electric motor. It transfers rotational motion to the cycloidal pins.
- Cycloidal Pins or Rollers: These pins or rollers are typically arranged around the input shaft in a circular pattern. As the input shaft rotates, the cycloidal pins also rotate, causing them to engage with the lobes on the outer stationary ring.
- Outer Stationary Ring: The outer ring has lobed profiles, and it remains stationary during operation. The lobes of the outer ring interact with the cycloidal pins or rollers, causing them to move in a unique motion known as epicycloidal or hypocycloidal motion.
The interaction between the cycloidal pins and the lobed profiles of the outer ring results in smooth and controlled motion transmission. The mechanism provides advantages such as high torque capacity, compact size, and precise positioning capabilities.
Cycloidal gearboxes are widely used in various applications, including robotics, automation, packaging machinery, and other industrial systems where high torque, precision, and compact design are essential.
editor by CX 2023-10-07
China best Large Winding Gearbox with Swing Wheel Assembly Machine car gearbox
Product Description
Large Winding Gearbox with Swing Wheel Assembly Machine
This machine is a special automatic machine for the loading of swing
wheel toys in large upward chained gearbox toy. It adopts the latest
technology concept to design a fully automatic unique assembly from plugging,
large upward cHangZhou, oiling, pressing, testing and then discharging, saving
labour and improving work efficiency. The whole set of production line from
loading, dividing, assembling, then optical fiber inspection materials, defective
products reject, and finally to qualified finished products out of the material, to
achieve automatic production, stable and efficient, high compatibility, can
effectively improve market competitiveness.
|
Machine Size |
L2900*W2500*H1900 |
|
Output |
1200-1380pcs/hour |
|
Voltage |
220V 60HZ ≤32A |
|
Power |
8 KW |
|
Control Mode |
PLC Control |
|
Fuselage material |
Aluminium alloy |
|
Special requirement |
Different size is optional |
| Application: | Machinery, Toy |
|---|---|
| Function: | Speed Changing |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Four-Step |
| Customization: |
Available
| Customized Request |
|---|
Distinguishing Features of Cycloidal Gearboxes
Cycloidal gearboxes, also known as cycloidal drives or cycloidal reducers, possess distinct characteristics that set them apart from other types of gearboxes:
- Principle of Operation: Cycloidal gearboxes utilize the principle of cycloidal motion, where input shaft movement is transformed into eccentric motion of the cycloidal disc. This unique mechanism results in smooth and consistent output motion.
- Compactness: Cycloidal gearboxes are renowned for their compact size and high torque density. The concentric design of the components contributes to their ability to transmit substantial torque in a relatively small package.
- Tooth Profile: Cycloidal gearboxes employ specialized cycloidal teeth, which involve both pinwheel and roller gears. This distinctive tooth profile contributes to the characteristic smooth and vibration-free operation.
- Reduction Mechanism: They often employ multi-lobed cam gears that interact with the pins on the cycloidal disc, resulting in multiple gear engagements per revolution and improved load distribution.
- Motion Control: Cycloidal gearboxes offer high positional accuracy and motion control due to the eccentric motion of the disc, making them suitable for robotics, automation, and precision applications.
- Backlash: They typically exhibit low backlash due to the nature of the engagement mechanism, making them advantageous for applications requiring precise and reversible motion.
- Applications: Cycloidal gearboxes are commonly used in various industries, including robotics, packaging, material handling, printing, and more, where their compactness, precision, and efficiency are valued.
These distinguishing features contribute to the unique capabilities and benefits of cycloidal gearboxes in specific applications.
Safety Measures for Operating Cycloidal Gear Systems
Operating cycloidal gear systems requires careful attention to safety to prevent accidents and ensure the well-being of operators and personnel. Here are important safety measures to consider:
- Training: Provide proper training to operators and maintenance personnel on the operation, maintenance, and potential hazards associated with cycloidal gear systems.
- Protective Equipment: Operators should wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and protective clothing.
- Lockout-Tagout: Implement lockout-tagout procedures to ensure that the system is de-energized and isolated before any maintenance or repair work begins.
- Regular Inspections: Conduct routine inspections of the gear system to identify any signs of wear, damage, or abnormalities that could compromise safety or performance.
- Lubrication: Follow the manufacturer’s recommendations for lubrication to maintain optimal performance and prevent overheating.
- Temperature Monitoring: Install temperature sensors or monitoring devices to detect any excessive heat buildup in the gearbox, which could indicate a potential issue.
- Proper Ventilation: Ensure that the area where the gear system operates is well-ventilated to prevent the accumulation of heat or harmful fumes.
- Emergency Stop: Install emergency stop buttons or switches that can immediately shut down the system in case of an emergency.
- Clearance Zones: Establish clear clearance zones around the gear system to prevent accidental contact with moving parts.
- Regular Maintenance: Follow a scheduled maintenance routine to keep the gear system in optimal working condition and address any potential safety concerns.
- Operator Awareness: Ensure that operators are aware of the gear system’s potential hazards and safe operating practices.
- Warning Signage: Clearly mark areas where the gear system operates with appropriate warning signs and labels.
- Emergency Procedures: Develop and communicate clear emergency procedures to respond to accidents, malfunctions, or other unexpected events.
Prioritizing safety in the operation and maintenance of cycloidal gear systems is essential to prevent injuries and maintain a safe working environment.
Principle of Cycloidal Gearing
Cycloidal gearing is a mechanism that utilizes the unique shape of cycloidal discs to achieve motion transmission. The principle involves the interaction between two main components: the input disc and the output disc.
The input disc has lobes with pins, while the output disc has lobes with matching holes. The lobes on both discs are not perfectly circular but are shaped in a cycloidal profile. As the input disc rotates, the pins on its lobes engage with the holes in the output disc’s lobes.
As the input disc rotates, the pins move along the cycloidal paths, causing the output disc to rotate. The interaction between the pins and the holes results in smooth and continuous motion transfer. The unique shape of the cycloidal profile ensures that there is always at least one point of contact between the pins and the holes, allowing for efficient torque transmission and reduced wear.
Cycloidal gearing provides advantages such as high torque capacity, compact size, and precision motion. However, due to the complex shape of the components and the continuous engagement, manufacturing and assembly of cycloidal gearboxes can be intricate.
editor by CX 2023-09-28
China Hot selling Backlash Less Than 1 Arc. Min Gear Decelerator & Pto Gearbox for Pipe Bending Machine cycloidal gearbox efficiency
Product Description
Product Description
Backlash less than 1 arc.min Gear Decelerator & pto gearbox for Pipe Bending Machine
high-precision corner reducer for 5 axis machining center developed and manufactured by WEITENSTAN together with German and ZheJiang technicians for many years.
This high-precision corner reducer has high precision (backlash less than 1arcmin), low noise (68dB), and can replace the harmonic drive reducer. The life and rigidity are 3 times longer than the harmonic.
high-precision corner reducer has the characteristics of smaller, ultra-thin, lightweight and high rigidity, anti-overload and high torque. With good deceleration performance, smooth operation and accurate positioning can be achieved. Integrated design, can be directly connected with the motor, to achieve high precision, high rigidity, high durability and other advantages. It is designed for high speed ratio, high geometric accuracy, low motion loss, large torque capacity and high stiffness applications. The compact design (minimum OD ≈40mm, currently the world’s smallest precision cycloidal pin-wheel reducer) allows it to be installed in limited Spaces.
Reducer drawings
Detailed Photos
Product Advantage
Backlash less than 1 arc.min Gear Decelerator & pto gearbox for Pipe Bending Machine
advantages:
1, fine precision cycloidal structure
Ultra flat shape is achieved through differential reduction mechanism and thin cross roller bearing, contributing to the compact size of the equipment. The combination of small size and unmatched superior parameters achieves the best combination of performance, price and size (high cost performance).
2. Excellent accuracy (transmission loss ≤1 arcmin)
Through the complex meshing of precision cycloid gear and high precision roller pin, higher transmission accuracy is achieved while maintaining small size and high speed ratio.
3, high rigidity
Increase the mesh rate to disperse the load, so the rigidity is high.
4. High overload capacity
It maintains trouble-free operation under abnormally low noise and vibration conditions while ensuring excellent overturning and torsional stiffness parameters. Integrated axial radial cross roller bearings, high load capacity and overload capacity of the reducer, can ensure users to provide a variety of temperature range of applications.
5, the motor installation is simple
Electromechanical integration design, can be directly connected with the motor, any brand of motor can be installed directly, without adding any device.
6. Maintenance free
Seal grease to achieve maintenance free. No refueling, no mounting direction restrictions.
7, stable performance
The manufacturing process of high wear-resistant materials and high precision parts has been certified by ISO9000 quality system, which guarantees the reliable operation of the reducer.
Product Classification
WF Series
High Precision Miniature Reducer
WF series is a high precision micro cycloidal reducer with flange, which has a wide range of applications. This series of reducers includes precise reduction mechanisms and radial – axial roller bearings. The unique design allows load to act directly on the output flange or housing without additional bearings. WF series reducer is characterized by module design, can be installed through the flange motor and reducer, belongs to the motor directly connected reducer.
WFH Series
High Precision Miniature Reducer
WFH series is a hollow form of high precision miniature cycloidal reducer, wire, compressed air pipeline, drive shaft can be through the hollow shaft, non-motor direct connection type reducer. The WFH series is fully sealed, full of grease and includes precise deceleration mechanism and radial – axial roller bearings. The unique design allows load to be acted directly on the output flange or housing without additional bearings.
WR Series
high-precision corner reducer
The WR series is a flange output corner reducer. Like the WF and WFH series, it is a high-precision reducer (backlash less than 1 arc.min), and the level 2 can also be within 1 arc.min, which is higher than other types. Corner type reducer. It can replace the harmonic drive reducer, and its life and rigidity are more than 3 times that of the harmonic.
Product Parameters
| Size | reduction ratio | Rated output moment | Allowable torque of start and stop | Instantaneous allowable moment | Rated input speed | Maximum input speed | Tilt stiffness | Torsional stiffness | No-load starting torque | Transmission accuracy | Error accuracy | Moment of inertia | Weight | |
| Axis rotation | Shell rotation | Nm | Nm | Nm | rpm | rpm | Nm/arcmin | Nm/arcmin | Nm | arcmin | arcmin | kg-m² | kg | |
| WR25 | 21 | 20 | 110 | 220 | 330 | 3000 | 5500 | 131 | 24 | 0.47 | P1≤±1 P2≤±3 | P1≤±1 P2≤±3 | 6.12 | 2 |
| 31 | 30 | 0.41 | 5.67 | |||||||||||
| 41 | 40 | 0.38 | 4.9 | |||||||||||
| 51 | 50 | 0.35 | 4.56 | |||||||||||
| 81 | 80 | 0.31 | 4.25 | |||||||||||
| WR32 | 25 | 24 | 190 | 380 | 570 | 3000 | 4500 | 240 | 35 | 1.15 | P1≤±1 P2≤±3 | P1≤±1 P2≤±3 | 11 | 4.2 |
| 31 | 30 | 1.1 | 10.8 | |||||||||||
| 51 | 50 | 0.77 | 9.35 | |||||||||||
| 81 | 80 | 0.74 | 8.32 | |||||||||||
| 101 | 100 | 0.6 | 7.7 | |||||||||||
| WR40 | 25 | 24 | 320 | 640 | 960 | 3000 | 4000 | 377 | 50 | 1.35 | P1≤±1 P2≤±3 | P1≤±1 P2≤±3 | 13.2 | 6.6 |
| 31 | 30 | 1.32 | 12.96 | |||||||||||
| 51 | 50 | 0.92 | 11.22 | |||||||||||
| 81 | 80 | 0.81 | 9.84 | |||||||||||
| 121 | 120 | 0.72 | 8.4 | |||||||||||
Installation Instructions
Company Profile
Q: Speed reducer grease replacement time
A: When sealing appropriate amount of grease and running reducer, the standard replacement time is 20000 hours according to the aging condition of the grease. In addition, when the grease is stained or used in the surrounding temperature condition (above 40ºC), please check the aging and fouling of the grease, and specify the replacement time.
Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.
Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.
Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Application: | Motor, Machinery, Agricultural Machinery, Humanoid Robot |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
|---|
Developing a Mathematical Model of a Cyclone Gearbox
Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.
Low friction
Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.
Compact
Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.
High reduction ratio
Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.
Kinematics
Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.
Planetary gearboxes vs cycloidal gearboxes
Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
editor by CX 2023-06-02
China Standard Low Noise Robotic RV Reduction Gear Gearheads and Gear Reducer Gearbox for Bending Machine cycloidal drive principle
Product Description
Product Description
low noise robotic rv reduction gear gearheads and gear reducer gearbox for bending machine
robotic rv reduction gear gearheads and gear reducer gearbox Installed with radial thrust ball bearings, so it can support external load, torque rigidity, large allowable torque, can reduce the number of components required, easy installation. The revolution speed of WRV gears is slower and vibration is reduced, which can reduce the motor structure (input gear) and inertia.
robotic rv reduction gear gearheads and gear reducer gearbox High precision, high rigidity, high torque, high load and other characteristics realize hollow design at the same time. After being hollowed out, the ease of use of the product is improved due to the variety of piping and cable layout options.
The robotic rv reduction gear gearheads and gear reducer gearbox is developed on the basis of the traditional needle wheel reducer. It not only overcomes the shortcomings of the general needle pendulum transmission, but also has more advantages, such as long life, stable precision, high efficiency, smooth transmission, small size, Light weight, large reduction ratio range, etc. This RV reducer from FUBAO adopts a double support support mechanism and a pinwheel mechanism, even if a torque up to 6 times the rated torque is applied, the product will not be damaged, and the torsional rigidity is very large. Small backlash, small volume, large torque. In order to directly support large loads, main bearings (large angular contact ball bearings) are installed inside.
robotic rv reduction gear gearheads and gear reducer gearbox mainly has the following characteristics:
A. Main bearing built-in mechanism
1. Improved reliability;
2. Total cost reduction;
3. Radial thrust ball bearings are installed, so they can support external loads, and the moment rigidity and allowable moment are large, which can reduce the number of required components;
4. The use of couplings and motor flanges makes the installation of the motor very simple.
B. 2-stage deceleration mechanism
1. Small vibration;
2. The revolution speed of the gear is slowed down, the vibration is reduced, and the direct connection part of the motor (input gear) can be reduced, and the inertia can be reduced.
C. Double column support mechanism
1. High torsional rigidity;
2. Strong impact resistance;
3. The crank shaft is supported by double columns in the reducer.
D. Rolling contact mechanism
1. Excellent starting power;
2. Small abrasion and long service life;
3. Small backlash (1arc.min).
Product Parameters
| WRV-E series | Specifications | WRV6E | WRV20E | WRV40E | WRV80E | WRV110E | WRV160E | WRV320E | WR450E |
| Rated output torque | 196 | 882 | 1666 | 2156 | 2940 | 3920 | 7056 | 17640 | |
| Reduction ratio | 31~103 | 57~161 | 57~153 | 57~153 | 81~175 | 81~171 | 81~185 | 81~192 | |
| Backlash | <=1 | ||||||||
Detailed Photos
Application Case
Company Profile
HangZhou Fubao Electromechanical Technology Co., Ltd. was established in 2008, the company has a complete precision reducer design, production capacity. Set R & D, manufacturing, assembly and sales, more in the field of gear manufacturing has more than 10 years of background, in the manufacturing equipment is equipped with Switzerland Riesenhahl gear grinding machine, domestic Qinchuan gear grinding machine, hamai gear hobbing machine and domestic Xihu (West Lake) Dis. gear hobbing machine, Japan Yasaki TLGmazak CNC lathe, CNC milling machine and other fully CNC equipment, In addition, it is equipped with other advanced measuring equipment such as Japanese TTI gear detector, 3 coordinate measurement, reducer backlash measurement instrument and so on. In a strong manufacturing capacity at the same time, can be stable, continuous manufacturing of high-quality precision reducer products.
The precision reducer produced by our company has the characteristics of high structural rigidity, small back backlash, precise transmission and so on. It is widely used in various industries. Companies adhering to the concept of let customers participate in manufacturing, and strive to provide customers with more personalized services. In the field of precision transmission has a unique achievements. It is our CZPT pursuit to make far-reaching contributions.
Factory Display
FAQ
Q: Speed reducer grease replacement time
A: When sealing appropriate amount of grease and running reducer, the standard replacement time is 20000 hours according to the aging condition of the grease. In addition, when the grease is stained or used in the surrounding temperature condition (above 40ºC), please check the aging and fouling of the grease, and specify the replacement time.
Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.
Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.
Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Application: | Motor, Machinery, Agricultural Machinery, Robot Arm |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase, Lower Rpm and Increase Torque |
| Layout: | Cycloidal |
| Customization: |
Available
| Customized Request |
|---|
A Mathematical Model of a Cycloid Gearbox
Having a gearbox with a cycloidal rotor is an ideal design for a car or any other vehicle, as the cycloidal design can reduce the amplitude of vibration, which is a key component in car performance. Using a cycloidal gearbox is also a great way to reduce the amount of friction between the gears in the gearbox, which can help to reduce noise and wear and tear. A cycloidal gearbox is also a very efficient design for a vehicle that needs to perform under high loads, as the gearbox can be very robust against shock loads.
Basic design principles
cycloidal gearboxes are used for precision gearing applications. Cycloidal drives are compact and robust and offer lower backlash, torsional stiffness and a longer service life. They are also suitable for applications involving heavy loads.
Cycloidal drives are compact in size and provide very high reduction ratios. They are also very robust and can handle shock loads. Cycloidal drives are ideally suited to a wide range of drive technologies. Cycloidal gears have excellent torsional stiffness and can provide a transmission ratio of 300:1. They can also be used in applications where stacking multiple gear stages is not desired.
In order to achieve a high reduction ratio, cycloidal gears must be manufactured extremely accurately. Cycloidal gears have a curved tooth profile that removes shear forces at any point of contact. This provides a positive fit for the gear disc. This profile can be provided on a separate outer bushing or as an internal gear profile insert.
Cycloidal drives are used in marine propulsion systems, where the load plate rotates around the X and Y axis. The plate is anchored by a threaded screw hole arranged 15mm away from the center.
A secondary carrier body is used in a cycloidal gearbox to support the load plate. The secondary carrier body is composed of a mounting carrier body and a secondary carrier disc.
Low friction
Several studies have been conducted to understand the static problems of gears. In this paper, we discuss a mathematical model of a low friction cycloidal gearbox. This model is designed to calculate various parameters that affect the performance of the gearbox during production.
The model is based on a new approach that includes the stiction effect and the nonlinear friction characteristic. These parameters are not covered by the conventional rule of thumb.
The stiction effect is present when the speed direction is changed. During this time, the input torque is required to prevail over the stiction effect to generate movement. The model also enables us to calculate the magnitude of the stiction effect and its breakaway speed.
The most important thing is that the model can be used to improve the dynamic behavior of a controlled system. In this regard, the model has a high degree of accuracy. The model is tested in several quadrants of the gearbox to find the optimum stiction breakaway speed. The simulation results of the model show that this model is effective in predicting the efficiency of a low friction cycloidal gearbox.
In addition to the stiction model, we also studied the efficiency of a low friction cycloidal reducer. The reduction ratio of this gearbox was estimated from the formula. It is found that the ratio approaches negative infinity when the motor torque is close to zero Nm.
Compact
Unlike standard planetary gears, cycloidal gearboxes are compact, low friction and feature virtually zero backlash. They also offer high reduction ratios, high load capacity and high efficiency. These features make them a viable option for a variety of applications.
Cycloid disks are driven by an eccentric input shaft. They are then driven by a stationary ring gear. The ring gear rotates the cycloidal disk at a higher rate. The input shaft rotates nine times to complete a full rotation. The ring gear is designed to correct the dynamic imbalance.
CZPT cycloidal gearheads are designed for precision and stable operation. These reducers are robust and can handle large translocations. They also offer high overload protection. They are suitable for shock wave therapy. CZPT gearheads are also well suited for applications with critical positioning accuracy. They also require low assembly and design costs. They are designed for long service life and low hysteresis loss.
CZPT cycloidal reducers are used in a variety of industrial applications, including CNC machining centers, robot positioners and manipulators. They offer a unique design that can handle high forces on the output axis, and are especially suitable for large translocations. These gearheads are highly efficient, reducing costs, and are available in a variety of sizes. They are ideal for applications that require millimetre accuracy.
High reduction ratios
Compared to other gearboxes, cycloidal gearboxes offer high reduction ratios and small backlash. They are also less expensive. Cycloid gearboxes can be used in a variety of industries. They are suitable for robotic applications. They also have high efficiency and load capacity.
A cycloidal gearbox works by rotating a cycloidal disc. This disc contains holes that are bigger than the pins on the output shaft. When the disc is rotated, the output pins move in the holes to generate a steady output shaft rotation. This type of gearbox does not require stacking stages.
Cycloid gearboxes are usually shorter than planetary gearboxes. Moreover, they are more robust and can transmit higher torques.
Cycloid gearboxes have an eccentric cam that drives the cycloidal disc. The cycloidal disc advances in 360deg/pivot/roller steps. It also rotates in an eccentric pattern. It meshes with the ring-gear housing. It also engages the internal teeth of the ring-gear housing.
The number of lobes on the cycloidal disc is not sufficient to generate a good transmission ratio. In fact, the number of lobes must be less than the number of pins surrounding the cycloidal disc.
The cycloidal disc is rotated by an eccentric cam that extends from the base shaft. The cam also spins inside the cycloidal disc. The eccentric motion of the cam helps the cycloidal disc rotate around the pins of the ring-gear housing.
Reducing amplitude of the vibration
Various approaches to reducing amplitude of the vibration in a cycloidal gearbox have been studied. These approaches are based on the kinematic analysis of gearbox.
A cycloidal gearbox is a gearbox that consists of bearings, gears, and an eccentric bearing that drives a cycloidal disc. This gearbox has a high reduction ratio, which is achieved by a series of output shaft pins that drive the output shaft as the disc rotates.
The test bench used in the studies has four sensors. Each sensor acquires signals with different signal processing techniques. In addition, there is a tachometer that acquires variations in rotational velocity at the input side.
The kinematic study of the robotic gearbox was performed to understand the frequency of vibrations and to determine whether the gearbox is faulty. It was found that the gearbox is in healthy operation when the amplitude of the x and y is low. However, when the amplitude is high, it is indicative of a malfunctioning element.
The frequency analysis of vibration signals is performed for both cyclostationary and noncyclostationary conditions. The frequencies that are selected are those that appear in both types of conditions.
Robust against shock loads
Compared to traditional gearboxes, cycloidal gearboxes have significant benefits when it comes to shock loads. These include high shock-load capacity, high efficiency, reduced cost, lower weight, lower friction, and better positioning accuracy.
Cycloid gears can be used to replace traditional planetary gears in applications where inertia is important, such as the transportation of heavy loads. They have a lighter design and can be manufactured to a more compact size, which helps reduce cost and installation expense. Cycloid gears are also able to provide transmission ratios of up to 300:1 in a small package.
Cycloid gears are also suitable for applications where a long service life is essential. Their radial clamping ring reduces inertia by up to 39%. Cycloid gears have a torsional stiffness that is five times higher than that of conventional planetary gears.
Cycloid gearboxes can provide significant improvements in concrete mixers. They are a highly efficient design, which allows for important innovations. They are also ideal for servo applications, machine tools, and medical technology. They feature user-friendly screw connections, effective corrosion protection, and effective handling.
Cycloid gears are especially useful for applications with critical positioning accuracy. For example, in the control of large parabolic antennas, high shock load capacity is required to maintain accuracy. Cycloid gears can withstand shock loads up to 500% of their rated torque.
Inertial effects
Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
editor by CX 2023-05-29
China Custom Gvb078-5-750 High Precision Planetary Gearboxes for Machine Tool cycloidal drive dimensions
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Model Instruction
GB090-10-P2
| GB | 090 | 571 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GB:High Precision Square Flange Output
GBR:High Precision Right Angle Square Flange Output GE:High Precision Round Flange Output GER:High Precision Right Round Flange Output |
050:ø50mm 070:ø70mm 090:ø90mm 120:ø120mm 155:ø155mm 205:ø205mm 235:ø235mm 042:42x42mm 060:60x60mm 090:90x90mm 115:115x115mm 142:142x142mm 180:180x180mm 220:220x220mm |
571 means 1:10 | P0:High Precision Backlash
P1:Precision Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GB042 | GB060 | GB060A | GB090 | GB090A | GB115 | GB142 | GB180 | GB220 |
| Rotary Inertia | 1 | 3 | 0.03 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.61 | ||
| 4 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.37 | ||||
| 5 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.27 | ||||
| 6 | 0.03 | 0.13 | 0.45 | 2.65 | 7.25 | 22.75 | 51.72 | ||||
| 7 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.97 | ||||
| 8 | 0.03 | 0.13 | 0.44 | 2.58 | 7.07 | 22.59 | 50.84 | ||||
| 9 | 0.03 | 0.13 | 0.44 | 2.57 | 7.04 | 22.53 | 50.63 | ||||
| 10 | 0.03 | 0.13 | 0.44 | 2.57 | 7.03 | 22.51 | 50.56 | ||||
| 2 | 15 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | |
| 20 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 25 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 30 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 35 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 40 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 45 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 50 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 60 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 70 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 80 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 90 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 100 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 |
| Item | Number of stage | GB042 | GB060 | GB060A | GB90 | GB090A | GB115 | GB142 | GB180 | GB220 | |
| Backlash(arcmin) | High Precision P0 | 1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |||
| 2 | ≤3 | ≤3 | ≤3 | ≤3 | |||||||
| Precision P1 | 1 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| 2 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| Standard P2 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | |
| 2 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | ||
| Noise(dB) | 1,2 | ≤56 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | |
| Rated input speed(rpm) | 1,2 | 5000 | 5000 | 5000 | 4000 | 4000 | 4000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 10000 | 10000 | 10000 | 8000 | 8000 | 8000 | 6000 | 6000 | 4000 | |
Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm
| Application: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Developing a Mathematical Model of a Cyclone Gearbox
Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.
Low friction
Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.
Compact
Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.
High reduction ratio
Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.
Kinematics
Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.
Planetary gearboxes vs cycloidal gearboxes
Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
editor by CX 2023-04-24
China Professional Jiangyin Gearbox Single Screw Extruder Gearbox for Plastic Extruding Machine small cycloidal gearbox
Product Description
HangZhou Gearbox Single Screw Extruder Gearbox for Plastic Extruding Machine
Company Information
HangZhou Gearbox Manufacturing Co., Ltd. registered in 1979. The company is located at national high-tech development zone, HangZhou, ZheJiang , China, with more than 38 years experience to specialize in reserch and development gear transmission products. The factory covers an area of 87,000 square meters. The company has passed ISO9001 quality system certification in 1999, and was rated as high qualified R&D engineer teem and manufacturing talents as well as first-class processing and testing equipments.
Specifications
1. Characterized by compact structure, light weight, large torque and excellent performance, it’s a new reducing transmission system with advanced design and manufactured on the basis of the modularized combination, which can meet client’s requirement on connection and installation.
2. Made of rib-reinforced rigid case, premium alloy-steel gear that’s hardened by carbon penetration and grinded precisely, it has stable running, low noise, large loading capacity, low consumption, efficient transmission temperature rise and long service life etc.
Packaging & Shipping
Equipment
Patent Certificate
FAQ
Are you trading company or manufacturer ?
A: We are manufacturer with 38 years experience.
Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.
Q:How long should I wait for the feedback after I send the enquiry?
A: Normally Within 12 hours.
Q:What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.
Q: Hong long is your product warranty?
A:We offer 12 months warranty from departure date of the goods.
Q: What is your payment terms?
T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance ,balance before shipment for amount above USD10000.-
If you have any other questions, please feel free to contact us below:
Contact Us
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
The Cyclonoidal Gearbox
Basically, the cycloidal gearbox is a gearbox that uses a cycloidal motion to perform its rotational movement. It is a very simple and efficient design that can be used in a variety of applications. A cycloidal gearbox is often used in applications that require the movement of heavy loads. It has several advantages over the planetary gearbox, including its ability to be able to handle higher loads and higher speeds.
Dynamic and inertial effects of a cycloidal gearbox
Several studies have been conducted on the dynamic and inertial effects of a cycloidal gearbox. Some of them focus on operating principles, while others focus on the mathematical model of the gearbox. This paper examines the mathematical model of a cycloidal gearbox, and compares its performance with the real-world measurements. It is important to have a proper mathematical model to design and control a cycloidal gearbox. A cycloidal gearbox is a two-stage gearbox with a cycloid disc and a ring gear that revolves around its own axis.
The mathematical model is made up of more than 1.6 million elements. Each gear pair is represented by a reduced model with 500 eigenmodes. The eigenfrequency for the spur gear is 70 kHz. The modally reduced model is a good fit for the cycloidal gearbox.
The mathematical model is validated using ABAQUS software. A cycloid disc was discretized to produce a very fine model. It requires 400 element points per tooth. It was also verified using static FEA. This model was then used to model the stiction of the gears in all quadrants. This is a new approach to modelling stiction in a cycloidal gearbox. It has been shown to produce results comparable to those of the EMBS model. The results are also matched by the elastic multibody simulation model. This is a good fit for the contact forces and magnitude of the cycloid gear disc. It was also found that the transmission accuracy between the cycloid gear disc and the ring gear is about 98.5%. However, this value is lower than the transmission accuracy of the ring gear pair. The transmission error of the corrected model is about 0.3%. The transmission accuracy is less because of the lower amount of elastic deformation on the tooth flanks.
It is important to note that the most accurate contact forces for each tooth of a cycloid gearbox are not smooth. The contact force on a single tooth starts with a linear rise and then ends with a sharp drop. It is not as smooth as the contact force on a point contact, which is why it has been compared to the contact force on an ellipse contact. However, the contact on an ellipse contact is still relatively small, and the EMBS model is not able to capture this.
The FE model for the cycloid disc is about 1.6 million elements. The most important part of the FE model is the discretization of the cycloid disc. It is very important to do the discretization of the cycloid gear disc very carefully because of the high degree of vibration that it experiences. The cycloid disc has to be discretized finely so that the results are comparable to those of a static FEA. It has to be the most accurate model possible in order to be able to accurately simulate the contact forces between the cycloid disc and the ring gear.
Kinematics of a cycloidal drive
Using an arbitrary coordinate system, we can observe the motion of components in a cycloidal gearbox. We observe that the cycloidal disc rotates around fixed pins in a circle, while the follower shaft rotates around the eccentric cam. In addition, we see that the input shaft is mounted eccentrically to the rolling-element bearing.
We also observe that the cycloidal disc rotates independently around the eccentric bearing, while the follower shaft rotates around an axis of symmetry. We can conclude that the cycloidal disc plays a pivotal role in the kinematics of a cycloidal gearbox.
To calculate the efficiency of the cycloidal reducer, we use a model that is based on the non-linear stiffness of the contacts. In this model, the non-linearity of the contact is governed by the non-linearity of the force and the deformation in the contact. We have shown that the efficiency of the cycloidal reducer increases as the load increases. In addition, the efficiency is dependent on the sliding velocity and the deformations of the normal load. These factors are considered as the key variables to determine the efficiency of the cycloidal drive.
We also consider the efficiency of the cycloidal reducer with the input torque and the input speed. We can calculate the efficiency by dividing the net torque in the ring gear by the output torque. The efficiency can be adjusted to suit different operating conditions. The efficiency of the cycloidal drive is increased as the load increases.
The cycloidal gearbox is a multi-stage gearbox with a small shaft oin and a big shaft. It has 19 teeth and brass washers. The outer discs move in opposition to the middle disc, and are offset by 180 deg. The middle disc is twice as massive as the outer disc. The cycloidal disc has nine lobes that move by one lobe per drive shaft revolution. The number of pins in the disc should be smaller than the number of pins in the surrounding pins.
The input shaft drives an eccentric bearing that is able to transmit the power to the output shaft. In addition, the input shaft applies forces to the cycloidal disk through the intermediate bearing. The cycloidal disk then advances in 360 deg/pivot/roller steps. The output shaft pins then move around in the holes to make the output shaft rotate continuously. The input shaft applies a sinusoidal motion to maintain the constant speed of the base shaft. This sine wave causes small adjustments to the follower shaft. The forces applied to the internal sleeves are a part of the equilibrium mechanism.
In addition, we can observe that the cycloidal drive is capable of transmitting a greater torque than the planetary gear. This is due to the cycloidal gear’s larger axial length and the ring gear’s smaller hole diameter. It is also possible to achieve a positive fit between the fixed ring and the disc, which is achieved by toothing between the fixed ring and the disc. The cycloidal disk is usually designed with a short cycloid to minimize unbalance forces at high speeds.
Comparison with planetary gearboxes
Compared to planetary gearboxes, the cycloidal gearbox has some advantages. These advantages include: low backlash, better overload capacity, a compact design, and the ability to perform in a wide range of applications. The cycloidal gearbox has become popular in the multi-axis robotics market. The gearbox is also increasingly used in first joints and positioners.
A cycloidal gearbox is a gearbox that consists of four basic components: a cycloid disk, an output flange, a ring gear, and a fixed ring. The cycloid disk is driven by an eccentric shaft, which advances in a 360deg/pivot/roller step. The output flange is a fixed pin disc that transmits the power to the output shaft. The ring gear is a fixed ring, and the input shaft is connected to a servomotor.
The cycloidal gearbox is designed to control inertia in highly dynamic situations. These gearboxes are generally used in robotics and positioners, where they are used to position heavy loads. They are also commonly used in a wide range of industrial applications. They have higher torque density and a low backlash, making them ideal for heavy loads.
The output flange is also designed to handle a torque of up to 500 Nm. Its rotational speed is lower than the planet gearbox, but its output torque is much higher. It is designed to be a high-performance gearbox, and it can be used in applications that need high ratios and a high level of torque density. The cycloid gearbox is also less expensive and has less backlash. However, the cycloidal gearbox has disadvantages that should be considered when designing a gearbox. The main problem is vibrations.
Compared to planetary gearboxes, cycloidal gearboxes have a smaller overall size and are less expensive. In addition, the cycloid gearbox has a large reduction ratio in one stage. In general, cycloidal gearboxes have single or two stages, with the third stage being less common. However, the cycloid gearbox is not the only type of gearbox that has this type of configuration. It is also common to find a planetary gearbox with a single stage.
There are several different types of cycloidal gearboxes, and they are often referred to as cycloidal speed reducers. These gearboxes are designed for any industry that uses servos. They are shorter than planetary gearboxes, and they are larger in diameter for the same torque. Some of them are also available with a ratio lower than 30:1.
The cycloid gearbox can be a good choice for applications where there are high rotational speeds and high torque requirements. These gearboxes are also more compact than planetary gearboxes, and are suitable for high-torque applications. In addition, they are more robust and can handle shock loads. They also have low backlash, and a higher level of accuracy and positioning accuracy. They are also used in a wide range of applications, including industrial robotics.
editor by CX
2023-04-14
China Dy Series 90 Degree Helical Gearbox for Brick Making Machine cycloidal gearboxes
Solution Description
Merchandise Description
DY Sequence ninety Diploma Helical Gearbox for Brick Creating Machine
Elements:
one. Housing: Cast Iron or Steel Plate Welding
2. Equipment Established: Hardened Helical Gear Pairs, Carburizing, Quenching, Grinding, Gear Hardness HRC54-62
3. Enter Configurations:
Single or Double Keyed CZPT Shaft Enter
4. Output Configurations:
Solitary or Double Keyed CZPT Shaft Output
five. Main Possibilities:
Backstop
Pressured Lubrication Oil Pump
Cooling Enthusiast, Cooling Coils
Detailed Pictures
Models:
ZDY Collection, ZLY Sequence, ZSY Sequence, ZFY Series
Attributes:
one. Optional welding steel plate equipment box
2. Large quality alloy metal helical gears, carburizing, quenching, grinding, large load capacity
3. Optimized design, interchangeable spare elements
four. Large effectiveness, high reliability, long provider lifestyle, minimal sounds
five. Output shaft rotation direction: clockwise, counterclockwise or bidirectional
six. A variety of shaft configurations: one or double enter and output shaft in 1 aspect or 2 sides
7. Optional backstop and lengthening output shafts
Solution Parameters
Parameters:
| ZY Series | Designs | Ratio |
| ZDY (1 Phase) | ZDY80, ZDY100, ZDY125, ZDY160, ZDY200, ZDY250, ZDY280, ZDY315, ZDY355, ZDY400, ZDY450, ZDY500, ZDY560 | 1.25~6.3 |
| ZLY (2 Phase) | ZLY112, ZLY125, ZLY140, ZLY160, ZLY180, ZLY200, ZLY224, ZLY250, ZLY280, ZLY315, ZLY355, ZLY400, ZLY450, ZLY500, ZLY560, ZLY630, ZLY710 | 6.3~20 |
| ZSY (3 Phase) | ZSY160, ZSY180, ZSY200, ZSY224, ZSY250, ZSY280, ZSY315, ZSY355, ZSY400, ZSY450, ZSY500, ZSY560, ZSY630, ZSY710 | 22.4~one hundred |
| ZFY (4 Phase) | ZFY180, ZFY200, ZFY225, ZFY250, ZFY280, ZFY320, ZFY360, ZFY400, ZFY450, ZFY500, ZFY560, ZFY630, ZFY710 | a hundred~five hundred |
Set up:
Horizontal Mounted
Vertical Mounted
Lubrication:
Oil Dip and Splash Lubrication
Pressured Lubrication
Cooling:
Normal Cooling
Auxiliary Cooling Units (Cooling Admirer, Cooling Coils)
Packaging & Shipping
Organization Profile
Our Advantages
Soon after Income Provider
| Pre-sale services | 1. Choose gear design. |
| 2.Design and manufacture goods according to clients’ particular necessity. | |
| three.Practice technological individual for consumers | |
| Services in the course of promoting | 1.Pre-examine and settle for goods forward of supply. |
| 2. Help consumers to draft fixing strategies. | |
| After-sale services | 1.Support customers to prepare for the very first construction plan. |
| 2. Prepare the initial-line operators. | |
| three.Get initiative to remove the difficulties rapidly. | |
| 4. Give technical exchanging. |
FAQ
FAQ:
1.Q:What kinds of gearbox can you generate for us?
A:Main items of our firm: UDL series speed variator,RV series worm gear reducer, ATA sequence shaft mounted gearbox, X,B sequence equipment reducer,
P collection planetary gearbox and R, S, K, and F series helical-tooth reducer, far more
than 1 hundred types and hundreds of requirements
2.Q:Can you make as for every customized drawing?
A: Yes, we supply tailored provider for buyers.
3.Q:What is your terms of payment ?
A: thirty% Advance payment by T/T following signing the deal.70% before shipping
four.Q:What is your MOQ?
A: 1 Set
Welcome to contact us for a lot more depth information and inquiry.
If you have particular parameters and requirement for our gearbox, customization is offered.
| Application: | Machinery |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|
The Advantages of Using a Cyclone Gearbox
Using a cycloidal gearbox to drive an input shaft is a very effective way to reduce the speed of a machine. It does this by reducing the speed of the input shaft by a predetermined ratio. It is capable of very high ratios in relatively small sizes.
Transmission ratio
Whether you’re building a marine propulsion system or a pump for the oil and gas industry, there are certain advantages to using cycloidal gearboxes. Compared to other gearbox types, they’re shorter and have better torque density. These gearboxes also offer the best weight and positioning accuracy.
The basic design of a cycloidal gearbox is similar to that of a planetary gearbox. The main difference is in the profile of the gear teeth.
Cycloid gears have less tooth flank wear and lower Hertzian contact stress. They also have lower friction and torsional stiffness. These advantages make them ideal for applications that involve heavy loads or high-speed drives. They’re also good for high gear ratios.
In a cycloidal gearbox, the input shaft drives an eccentric bearing, while the output shaft drives the cycloidal disc. The cycloidal disc rotates around a fixed ring, and the pins of the ring gear engage the holes in the disc. The pins then drive the output shaft as the disc rotates.
Cycloid gears are ideal for applications that require high gear ratios and low friction. They’re also good for applications that require high torsional stiffness and shock load resistance. They’re also suitable for applications that require a compact design and low backlash.
The transmission ratio of a cycloidal gearbox is determined by the number of lobes on the cycloidal disc. The n=n design of the cycloidal disc moves one lobe per revolution of the input shaft.
Cycloid gears can be manufactured to reduce the gear ratio from 30:1 to 300:1. These gears are suitable for high-end applications, especially in the automation industry. They also offer the best positioning accuracy and backlash. However, they require special manufacturing processes and require non-standard characteristics.
Compressive force
Compared with conventional gearboxes, the cycloidal gearbox has a unique set of kinematics. It has an eccentric bearing in a rotating frame, which drives the cycloidal disc. It is characterized by low backlash and torsional stiffness, which enables geared motion.
In this study, the effects of design parameters were investigated to develop the optimal design of a cycloidal reducer. Three main rolling nodes were studied: a cycloidal disc, an outer race and the input shaft. These were used to analyze the motion related dynamic forces, which can be used to calculate stresses and strains. The gear mesh frequency was calculated using a formula, which incorporated a correction factor for the rotating frame of the outer race.
A three-dimensional finite element analysis (FEA) study was conducted to evaluate the cycloidal disc. The effects of the size of the holes on the disc’s induced stresses were investigated. The study also looked at the torque ripple of a cycloidal drive.
The authors of this study also explored backlash distribution in the output mechanism, which took into account the machining deviations and structure and geometry of the output mechanism. The study also looked at the relative efficiency of a cycloidal reducer, which was based on a single disc cycloidal reducer with a one-tooth difference.
The authors of this study were able to deduce the contact stress of the cycloidal disc, which is calculated using the material-based contact stiffness. This can be used to determine accurate contact stresses in a cycloidal gearbox.
It is important to know the ratios needed for calculation of the bearing rate. This can be calculated using the formula f = k (S x R) where S is the volume of the element, R is the mass, k is the contact stiffness and f is the force vector.
Rotational direction
Unlike the conventional ring gear which has a single axis of rotation, cycloidal gearbox has three rotational axes which are parallel and are located in a single plane. A cycloidal gearbox has excellent torsional stiffness and shock load capacity. It also ensures constant angular velocity, and is used in high-speed gearbox applications.
A cycloidal gearbox consists of an input shaft, a drive member and a cycloidal disc. The disc rotates in one direction, while the input shaft rotates in the opposite direction. The input shaft eccentrically mounts to the drive member. The cycloidal disc meshes with the ring-gear housing, and the rotational motion of the cycloidal disc is transferred to the output shaft.
To calculate the rotational direction of a cycloidal gearbox, the cycloid must have the correct angular orientation and the centerline of the cycloid should be aligned with the center of the output hole. The cycloid’s shortest length should be equal to the radius of the pin circle. The cycloid’s largest radius should be the size of the bearing’s exterior diameter.
A single-stage gear will not have much space to work with, so you’ll need a multistage gear to maximize space. This is also the reason that cycloid gears are usually designed with a shortened cycloid.
To calculate the most efficient tooth profile for a cycloidal gear, a new method was devised. This method uses a mathematical model that uses the cycloid’s rotational direction and a few other geometric parameters. Using a piecewise function related to the distribution of pressure angle, the cycloid’s most efficient profile is determined. It is then superimposed on the theoretical profile. The new method is much more flexible than the conventional method, and can adapt to changing trends of the cycloidal profile.
Design
Several designs of cycloidal gearboxes have been developed. These gearboxes have a large reduction ratio in one stage. They are mainly used for heavy machines. They provide good torsional stiffness and shock load capacity. However, they also have vibrations at high RPM. Several studies have been conducted to find a solution to this problem.
A cycloidal gearbox is designed by calculating the reduction ratio of a mechanism. This ratio is obtained by the size of the input speed. This is then multiplied by the reduction ratio of the gear profile.
The most important factor in the design of a cycloidal gearbox is the load distribution along the width of the gear. Using this as a design criterion, the amplitude of vibration can be reduced. This will ensure that the gearbox is working properly. In order to generate proper mating conditions, the trochoidal profile on the cycloidal disc periphery must be defined accurately.
One of the most common forms of cycloidal gears is circular arc toothing. This is the most common type of toothing used today.
Another form of gear is the hypocycloid. This form requires the rolling circle diameter to be equal to half the base circle diameter. Another special case is the point tooth form. This form is also called clock toothing.
In order to make this gear profile work, the initial point of contact must remain fixed to the edge of the rolling disk. This will generate the hypocycloid curve. The curve is traced from this initial point.
To investigate this gear profile, the authors used a 3D finite element analysis. They used the mathematical model of gear manufacturing that included kinematics parameters, output moment calculations, and machining steps. The resulting design eliminated backlash.
Sizing and selection
Choosing a gearbox can be a complex task. There are many factors that need to be taken into account. You need to determine the type of application, the required speed, the load, and the ratio of the gearbox. By gaining this information, you can find a solution that works best for you.
The first thing you need to do is find the proper size. There are several sizing programs available to help you determine the best gearbox for your application. You can start by drawing a cycloidal gear to help you create the part.
During sizing, it is important to consider the environment. Shock loads, environmental conditions, and ambient temperatures can increase wear on the gear teeth. The temperature also has a significant impact on lubrication viscosities and seal materials.
You also need to consider the input and output speed. This is because the input speed will change your gearbox ratio calculations. If you exceed the input speed, you can damage the seals and cause premature wear on the shaft bearings.
Another important aspect of sizing is the service factor. This factor determines the amount of torque the gearbox can handle. The service factor can be as low as 1.4, which is sufficient for most industrial applications. However, high shock loads and impact loads will require higher service factors. Failure to account for these factors can lead to broken shafts and damaged bearings.
The output style is also important. You need to determine if you want a keyless or keyed hollow bore, as well as if you need an output flange. If you choose a keyless hollow bore, you will need to select a seal material that can withstand the higher temperatures.
editor by CX 2023-04-12
China Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine cycloidal drive efficiency
Product Description
Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Set up Electric powered Motor gearbox reducer Cycloidal Equipment box for Brick Generating Equipment
Quick Particulars:
Kind: XB collection Cycloidal Pin Wheel Velocity Reducer
Enter Velocity: 1000-1500rmp
Output Speed: .3-280rpm
Certification: ISO9001 CE
Ex Energy:.09-132KW
Warranty: 1Years
|
/ Piece | |
100 Pieces (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Soft Tooth Surface |
| Installation: | 90 Degree |
| Layout: | Coaxial |
| Gear Shape: | Conical – Cylindrical Gear |
| Step: | Stepless |
###
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) |
|---|
|
/ Piece | |
100 Pieces (Min. Order) |
###
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Soft Tooth Surface |
| Installation: | 90 Degree |
| Layout: | Coaxial |
| Gear Shape: | Conical – Cylindrical Gear |
| Step: | Stepless |
###
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) |
|---|
Cyclone Gearbox Vs Involute Gearbox
Whether you’re using a cycloidal gearbox or an involute gearbox for your application, there are a few things you should know. This article will highlight some of those things, including: cycloidal gearbox vs involute gearbox, weight, compressive force, precision, and torque density.
Compressive force
Several studies have been carried out to analyze the static characteristics of gears. In this article, the authors investigate the structural and kinematic principles of a cycloidal gearbox. The cycloidal gearbox is a gearbox that uses an eccentric bearing inside a rotating frame. It has no common pinion-gear pair, and is therefore ideal for a high reduction ratio.
The purpose of this paper is to investigate the stress distribution on a cycloidal disc. Various gear profiles are investigated in order to study the load distribution and dynamic effects.
Cycloidal gearboxes are subject to compression and backlash, which require the use of proper ratios for the bearing rate and the TSA. The paper also focuses on the kinematic principles of the reducer. In addition, the authors use standard analysis techniques for the shaft/gear and the cycloidal disc.
The authors previously worked on a rigid body dynamic simulation of a cycloidal reducer. The analysis used a trochoidal profile on the cycloidal disc periphery. The trochoidal profile is obtained from a manufacturing drawing and takes into account the tolerances.
The mesh density in the cycloidal disc captures the exact geometry of the parts. It provides accurate contact stresses.
The cycloidal disc consists of nine lobes, which move by one lobe per rotation of the drive shaft. However, when the disc is rotated around the pins, the cycloidal disc does not move around the center of gravity. Therefore, the cycloidal disc shares torque load with five outer rollers.
A low reduction ratio in a cycloidal gearbox results in a higher induced stress in the cycloidal disc. This is due to the bigger hole designed to reduce the material inside the disc.
Torque density
Several types of magnetic gearboxes have been studied. Some magnetic gearboxes have a higher torque density than others, but they are still not able to compete with the mechanical gearboxes.
A new high torque density cycloidal magnetic gearbox using Halbach rotors has been developed and is being tested. The design was validated by building a CPCyMG prototype. The results showed that the simulated slip torque was comparable to the experimental slip torque. The peak torque measured was a p3 = 14 spatial harmonic, and it corresponds to the active region torque density of 261.4 N*m/L.
This cycloidal gearbox also has a high gear ratio. It has been tested to achieve a peak torque of 147.8 Nm, which is more than double the torque density of the traditional cycloidal gearbox. The design incorporates a ferromagnetic back-support that provides mechanical fabrication support.
This cycloidal gearbox also shows how a small diameter can achieve a high torque density. It is designed with an axial length of 50mm. The radial deflection forces are not serious at this length. The design uses a small air gap to reduce the radial deflection forces, but it is not the only design option.
The trade-off design also has a high volumetric torque density. It has a smaller air gap and a higher mass torque density. It is feasible to make and mechanically strong. The design is also one of the most efficient in its class.
The helical gearing design is a newer technology that brings a higher level of precision to a cycloidal gearbox. It allows a servomotor to handle a heavy load at high cycle rates. It is also useful in applications that require smaller design envelopes.
Weight
Compared to planetary gearboxes, the weight of cycloidal gearboxes is not as significant. However, they do provide some advantages. One of the most significant features is their backlash-free operation, which helps them deliver smooth and precise movement.
In addition, they provide high efficiency, which means that servo motors can run at higher speeds. The best part is that they do not need to be stacked up in order to achieve a high ratio.
Another advantage of cycloidal gearboxes is that they are usually less expensive than planetary gearboxes. This means that they are suitable for the manufacturing industry and robotics. They are also suited for heavy-duty robots that require a robust gearbox.
They also provide a better reduction ratio. Cycloidal gears can achieve reduction ratios from 30:1 to 300:1, which is a huge improvement over planetary gears. However, there are few models available that provide a ratio below 30:1.
Cycloidal gears also offer more resistance to wear, which means that they can last longer than planetary gears. They are also more compact, which helps them achieve high ratios in a smaller space. The design of cycloidal gears also makes them less prone to backlash, which is one of the major shortcomings of planetary gearboxes.
In addition, cycloidal gears can also provide better positioning accuracy. In fact, this is one of the primary reasons for choosing cycloidal gears over planetary gears. This is because the cycloid disc rotates around a bearing independently of the input shaft.
Compared to planetary gearboxes, cycloidal gears are also much shorter. This means that they provide the best positioning accuracy. They are also 50% lighter, meaning that they have a smaller diameter.
Precision
Several experts have studied the cycloidal gearbox in precision reducers. Their research mainly focuses on the mathematical model and the method for precision evaluation of cycloidal gears.
The traditional modification design of cycloidal gears is mainly realized by setting various machining parameters and center position of the grinding wheel. But it has some disadvantages because of unstable meshing accuracy and uncontrollable tooth profile curve shape.
In this study, a new method of modification design of cycloidal gears is proposed. This method is based on the calculation of meshing backlash and pressure angle distribution. It can effectively pre-control the transmission accuracy of cycloid-pin gear. It can also ensure good meshing characteristics.
The proposed method can be applied in the manufacture of rotary vector reducers. It is also applicable in the precision reducer for robots.
The mathematical model for cycloidal gears can be established with the pressure angle a as a dependent variable. It is possible to calculate the pressure angle distribution and the profile pressure angle. It can also be expressed as DL=f(a). It can be applied in the design of precision reducers.
The study also considers the root clearance, the backlash of gear teeth and the profile angle. These factors have a direct effect on the transmission performance of cycloidal gear. It also indicates the higher motion accuracy and the smaller backlash. The modified profile can also reflect the smaller transmission error.
In addition, the proposed method is also based on the calculation of lost motion. It determines the angle of first tooth contacts. This angle is an important factor affecting the modification quality. The transmission error after the second cycloid method is the least.
Finally, a case study on the CZPT RV-35N gear pair is shown to prove the proposed method.
Involute gears vs cycloidal gears
Compared to involute gears, cycloidal gears have a lower noise, less friction, and last longer. However, they are more expensive. Cycloidal gears can be more difficult to manufacture. They may be less suitable for certain applications, including space manipulators and robotic joints.
The most common gear profile is the involute curve of a circle. This curve is formed by the endpoint of an imaginary taut string unwinding from the circle.
Another curve is the epicycloid curve. This curve is formed by the point rigidly attached to the circle rolling over another circle. This curve is difficult to produce and is much more expensive to produce than the involute curve.
The cycloid curve of a circle is also an example of the multi-cursor. This curve is generated by the locus of the point on the circle’s circumference.
The cycloid curve has the same diameter as the involute curve, but is tangentially curving along the circle’s diameter. This curve is also classified as ordinary. It has several other functions. The FE method was used to analyze the strain state of cycloidal speed reducers.
There are many other curves, but the involute curve is the most widely used gear profile. The involute curve of a circle is a spiraling curve traced by the endpoint of an imaginary tautstring.
Involute gears are a lot like a set of Lego blocks. They are a lot of fun to play with. They also have a lot of advantages. For example, they can handle center sifts better than cycloidal gears. They are also much easier to manufacture, so the cost of involute teeth is lower. However, they are obsolete.
Cycloidal gears are also more difficult to manufacture than involute gears. They have a convex surface, which leads to more wear. They also have a simpler shape than involute gears. They also have less teeth. They are used in rotary motions, such as in the rotors of screw compressors.
editor by czh 2023-03-24