Tag Archives: automatic gear

China Standard B09 Cycloidal Pin Gear Reducer Gear Boxes automatic gearbox

Product Description

XWD2/ XWD3/XWD4/XWD5/XWD6/XWD7 /XWD8 gearbox with ac motor 

Cycloidal reducer adopts meshing cycloid pin gear, planetary transmission principle, so usually also called planetary cycloid reducer.  Planetary cycloidal reducer can be widely used in petroleum, environmental protection, chemical, cement, transport, textile, pharmaceutical, food, printing, lifting, mining, metallurgy, construction, power generation and other industries.
      As a drive or reduction gear,  the machine is divided into horizontal, vertical, biaxial and straight league assembly way,etc.  Its unique stable structure can replace ordinary cylindrical gear reducer and worm gear reducer in many cases. Therefore, planetary cycloid gear reducer is widely used in various industries and fields, and is generally welcomed by the majority of users.

XWD/BWY cycloid  reducer motor details:

B series:

BW basedoard horizontal installed double axes type 

BL flange vertical installed double axes type

BWY  basedoard horizontal installed motor direct-connection type

BLY   flange vertical installed motor direct-connection type

X series:

XW basedoard horizontal installed double axes type

XL flange vertical installed double axes type

XWD basedoard horizontal installed motor direct-connection type

XLD flange vertical installed motor direct-connection type

 

 Our  reduction geared motor Advantage

1,reasonable price with excellent quality 
2,delivery in time 
3,safe ,reliable ,economical and durable 
4,stable transmission ,quiet operation 
5,smooth running and low noise 
6,nice appearance ,durable service life 
7,high heat-radiating efficiency ,high carrying ability 
8,each gearbox must be tested before packing
9.reply in high efficiency during 1 working day 
10. professional to produce gearbox and electric motor .

If there is any question, please don’t hesitate to contact with me (EVA), U can send us your inquiry. And you will get response in 1 working day.
 
GEARBOX MOTOR CATALOGUE :

PRODUCTION PROCESS :

WORKSHOP EQUIPMENT:


CERTIFICATION :

PACKAGE : 
for 1 container, directly loading ,for less, all goods with pallet, 

 

FAQ
1, Q:what\’s your MOQ for ac gearbox motor  ?
A: 1pc is ok for each type electric gear box  motor 

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor  ?
A: plywood case ,if size is small  ,we will pack with pallet for less 1 container 

6, Q: What information should be given, if I buy electric helical geared motor  from you ?
A: rated power,  ratio or output speed,type ,voltage , mounting way , quantity , if more is better , 
 

Application: Motor, Machinery, Agricultural Machinery
Function: Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Step: Single-Step
Motor Power: 0.37kw-55kw
Customization:
Available

|

Customized Request

cycloidal gearbox

Efficiency of Cycloidal Gearboxes in Power Transmission

Cycloidal gearboxes offer relatively high power transmission efficiency compared to other types of gearboxes. The efficiency of a cycloidal gearbox depends on various factors, including the design, quality of components, lubrication, and load conditions.

Typically, the power transmission efficiency of a cycloidal gearbox ranges from 85% to 95%. However, this can vary based on several factors:

  • Number of Reduction Stages: Multi-stage cycloidal gearboxes may experience slightly lower efficiency due to multiple gear meshing interactions.
  • Quality and Design: Well-designed and precision-manufactured cycloidal gearboxes tend to exhibit higher efficiency.
  • Lubrication: Proper lubrication is crucial for reducing friction and enhancing efficiency. Insufficient or deteriorated lubrication can lead to efficiency losses.
  • Load Conditions: Higher loads and torque levels can lead to higher friction and lower efficiency. Properly matching the gearbox to the application is essential.

Despite minor efficiency losses compared to some other gearbox types, the benefits of compactness, high torque density, and precise motion control often outweigh the efficiency considerations in many applications.

cycloidal gearbox

Maintenance Requirements for Cycloidal Gearboxes

Maintaining cycloidal gearboxes is essential to ensure their optimal performance and longevity. Here are some maintenance practices to consider:

  • Lubrication: Regular lubrication is crucial to prevent wear and friction between moving parts. Use high-quality lubricants recommended by the gearbox manufacturer.
  • Inspections: Regularly inspect the gearbox for signs of wear, damage, or oil leakage. Address any issues promptly to prevent further damage.
  • Cleaning: Keep the gearbox clean and free from debris that could interfere with its operation. Cleanliness helps prevent contamination and wear.
  • Torque Checks: Periodically check the tightness of fasteners and bolts to ensure they are properly secured. Loose fasteners can lead to misalignment and reduced performance.
  • Seal Maintenance: Check and maintain seals to prevent oil leakage. Damaged seals should be replaced promptly to avoid lubricant loss.
  • Temperature Monitoring: Monitor the operating temperature of the gearbox to ensure it remains within the recommended range. Excessive heat can lead to premature wear.
  • Alignment: Ensure that the gearbox is properly aligned with other components to prevent misalignment-related issues.
  • Regular Service: Follow the manufacturer’s recommended service intervals for more in-depth inspections and maintenance tasks.

Regular and proactive maintenance can extend the lifespan of cycloidal gearboxes, minimize downtime, and maintain their efficiency and performance over time.

cycloidal gearbox

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:

  1. 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.
  2. 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.
  3. 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.

China Standard B09 Cycloidal Pin Gear Reducer Gear Boxes   automatic gearbox	China Standard B09 Cycloidal Pin Gear Reducer Gear Boxes   automatic gearbox
editor by CX 2023-11-30

China Hot selling Wrv-6e Gear Ratio 161: 1 Cycloidal Pin Wheel Reducer Robot Gearbox Fubao best automatic gearbox

Product Description

Product Description

WRV-6E Gear Ratio 161: 1 Cycloidal Pin Wheel Reducer Robot Gearbox FuBao
Cycloidal Pin Wheel Reducer robot 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.

Cycloidal Pin Wheel Reducer robot 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 Cycloidal Pin Wheel Reducer robot 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.

Cycloidal Pin Wheel Reducer robot 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 CHINAMFG 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

cycloidal gearbox

Variations in Cycloidal Gearbox Design

Cycloidal gearboxes come in various designs and configurations to cater to different application requirements. Some common variations include:

  • Single-Stage vs. Multi-Stage: Cycloidal gearboxes can be designed as single-stage or multi-stage systems. Single-stage designs offer a lower gear ratio and are suitable for applications with moderate torque requirements. Multi-stage designs provide higher gear ratios and are used for applications demanding higher torque output.
  • Input and Output Arrangements: Cycloidal gearboxes can have various input and output arrangements, including coaxial, inline, and right-angle configurations. These arrangements determine the orientation of the input and output shafts relative to each other.
  • Size and Torque Capacity: Different sizes of cycloidal gearboxes are available to accommodate a wide range of torque and power requirements. Smaller sizes are suitable for applications where space is limited, while larger sizes handle higher torque loads.
  • Mounting Options: Cycloidal gearboxes offer flexibility in mounting options, including base or flange mounting. This allows for easy integration into different types of machinery and equipment.
  • Material Selection: Depending on the application’s demands, cycloidal gearboxes can be constructed using various materials, such as steel, aluminum, and alloys. Material selection affects the gearbox’s durability and performance in different environments.
  • Backlash Reduction Mechanisms: Some cycloidal gearboxes feature enhanced backlash reduction mechanisms to further improve precision and accuracy in motion control applications.

These variations in design allow cycloidal gearboxes to be tailored to specific application requirements, making them versatile solutions for a wide range of industries and machinery.

cycloidal gearbox

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.

cycloidal gearbox

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.

China Hot selling Wrv-6e Gear Ratio 161: 1 Cycloidal Pin Wheel Reducer Robot Gearbox Fubao   best automatic gearbox	China Hot selling Wrv-6e Gear Ratio 161: 1 Cycloidal Pin Wheel Reducer Robot Gearbox Fubao   best automatic gearbox
editor by CX 2023-09-21

China Custom Machinery Automatic CZPT Carton Gpb090 Flail Mower Gearbox Pharmaceutical Equipments cycloidal gear advantages

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. 

Taibang planetary gear motor is high energy efficiency,low noise,long service life,which is widely used in various industry.

Model Instruction
 

GE 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:Precison 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, Automatic 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)

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Request Sample

Customization:
Available

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Customized Request

helical gearbox

Condition Monitoring of Cyclone Gearboxes

Whether you’re considering using a cycloidal gearbox in your home, office, or garage, you’ll want to make sure it’s made of quality material. You also want to make sure it’s designed properly, so it won’t be damaged by vibrations.

Planetary gearboxes

Compared to cycloidal gearboxes, planetary gearboxes are lighter and more compact, but they lack the precision and durability of the former. They are better suited for applications with high torque or speed requirements. For this reason, they are usually used in robotics applications. But, cycloidal gearboxes are still better for some applications, including those involving shock loads.
There are many factors that affect the performance of gearboxes during production. One of these is the number of teeth. In the case of planetary gearboxes, the number of teeth increases with the number of planets. The number of teeth is reduced in cycloidal gearboxes, which results in higher transmission ratios. These gearboxes also have lower breakaway torques, which means that they can be controlled more easily by the user.
A cycloid gearbox is comprised of three main parts: the ring gear, the sun gear, and the input shaft. The ring gear is fixed in the gearbox, while the sun gear transmits the rotation to the planet gears. The input shaft transfers motion to the sun gear, which in turn transmits it to the output shaft. The output shaft has a larger torque than the input shaft.
Cycloid gears have better torsional stiffness, lower wear, and lower Hertzian contact stress. However, they are also larger in size and require highly accurate manufacturing. Cycloid gears can be more difficult to manufacture than involute gears, which require large amounts of precision.
Cycloid gears can offer transmission ratios up to 300:1, and they can do this in a small package. They also have lower wear and friction, which makes them ideal for applications that require a high transmission ratio.
Cycloid gearboxes are usually equipped with a backlash of about one angular minute. This backlash provides the precision and control necessary for accurate movement. They also provide low wear and shock load capacity.
Planetary gearboxes are available in single and two-stage designs, which increase in length as stages are added. In addition to the two stages, they can be equipped with an optional output bearing, which takes up mounting space. In some applications, a third stage is also available.

Involute gears

Generally, involute gears are more complex to manufacture than cycloidal gears. For example, an involute gear tooth profile has a single curve while a cycloidal gear tooth profile has two curves. In addition, the involute curve is not within the base circle.
The involute curve is a very important component of a gear tooth and it can significantly influence the quality of contact meshing between teeth. Various works have been done on the subject, mainly focusing on the operating principles. In addition, the most important characteristic of the double-enveloping cycloid drive is its double contact lines between the meshing tooth pairs.
Cycloid gears are more powerful, less noisy, and last longer than involute gears. They also require less manufacturing operations during production. However, cycloid gears are more expensive than involute gears. Involute gears are more commonly used in linear motions while cycloid gears are used for rotary motions.
Although cycloid gears are more technically advanced, involute gears have the superior quality and are more aesthetically pleasing. Cycloid gears are used in various industrial applications such as pumps and compressors. They are also widely used in the watch industry. Nevertheless, involute gears have not yet replaced cycloid gears in the watch industry.
The cycloid disc has a number of pins around its outer edge, while an involute gear has only a single curve for the teeth. In addition, cycloid gears have a more robust and reliable design. Involute gears, on the other hand, have a cheaper rack cutter and less expensive involute teeth.
The cycloid disc’s transmission accuracy is about 98.5%, while the ring gear’s transmission accuracy is about 96%. The cycloid disc’s rotational velocity has a magnitude of 3 rad/s. A small change in the center distance does not affect the transmission accuracy. However, rotational velocity fluctuation can affect the transmission accuracy.
Cycloid gears also have the cycloid gear disc’s rotational velocity. The disc has N lobes. However, the cycloid gear disc’s transmission accuracy is still not perfect. This is because of the large rotational angles between the lobes. This also makes it difficult to manufacture.helical gearbox

Vibrations

Using modern techniques for vibration diagnostics and data-driven methods, this article presents a new approach to condition monitoring of cycloidal gearboxes. This approach focuses on detecting the root cause of gearbox failure. The article aims to provide a unified approach to gear designers.
A cycloidal gearbox is a high-precision gearbox that is used in heavy-duty machines. It has a large reduction ratio, which makes it necessary to have a very large input speed. Cycloid gears have high accuracy, but they are susceptible to vibration issues. In this article, the authors describe how a cycloidal gearbox works and how vibrations are measured. They also show how this gearbox can be used to detect faults.
The gearbox is used in positioners, multi-axis robots, and heavy-duty machines. The main characteristics of this gearbox are the high accuracy, the overload capacity, and the large reduction ratio.
There is little documentation on vibrations and condition monitoring of cycloidal gearboxes. The authors describe their approach to the problem, using a cycloidal gearbox and a testing bench. Their approach involves measuring the frequency of the gearbox with different input speeds.
The results show a good separation between the healthy and damaged states. Fault frequencies show up in the lower orders of frequencies. Faults can be detected using binning, which eliminates the need for a tachometer. In addition, binning is combined with Principal Component Analysis to determine the state of the gearbox.
This method is compared to traditional techniques. In addition, the results show how binning can be used to calculate the defect frequencies of the bearings. It is also used to determine the frequencies of the components.
The signals from the test bench are acquired using four sensors. These sensors are medium sensitivity 100 mV/g accelerometers. The signals are then processed using different signal processing techniques. The results show that the vibration signals are correlated with the internal motion of the gearbox. This information is used to identify the internal frequency of the transmission.
The frequency analysis of vibration signals is performed in cyclostationary and noncyclostationary conditions. The signals are then analyzed to determine the magnitude of the gear meshing frequency.helical gearbox

Design

Using precision gearboxes, servomotors can now control heavy loads at high speed. Unlike cam indexing devices, cycloidal gears provide extremely accurate positioning and high torque. They also provide excellent torsional stiffness and shock load capacity.
Cycloid gears are specially designed to minimize vibration at high RPM. Unlike involute gears, they are not stacked, which reduces friction and forces experienced by each tooth. In addition, cycloidal gears have lower Hertzian contact stress.
Cycloid gears are often used in multi-axis robots for positioners. They can provide transmission ratios as high as 300:1 in a compact package. They are also used in first joints in heavy machines. However, they require extremely accurate manufacturing. They are also more difficult to produce than involute gears.
A cycloidal gearbox is a type of planetary gearbox. Cycloid gears are specially designed for high gear ratios. They also have the ability to provide a large reduction ratio in a single stage. They are increasingly used in first joints in heavy machines. They are also becoming more common in robotics.
In order to achieve a large reduction ratio, the input speed of the gear must be very high. Generally, the input speed is between 500 rpm and 4500 rpm. However, in some cases, the input speed may be lower.
A cycloid is formed by rolling a rolling circle on a base circle. The ratio between the rolling circle diameter and the base circle diameter determines the shape of the cycloid. A hypocycloid is formed by rolling primarily on the inside of the base circle, while an epicycloid is formed by rolling primarily on the outside of the base circle.
Cycloid gears have a very small backlash, which minimizes the forces experienced by each tooth. These gears also have a good torsional stiffness, low friction, and shock load capacity. They also provide the best positioning accuracy.
The cycloidal gearbox was designed and built at Radom University. The design was based on three different cycloidal gears. The first pair had the external profile at the nominal dimension, while the second pair had the profile minus tolerance. The load plate had threaded screw holes arranged 15 mm away from the center.
China Custom Machinery Automatic CZPT Carton Gpb090 Flail Mower Gearbox Pharmaceutical Equipments   cycloidal gear advantagesChina Custom Machinery Automatic CZPT Carton Gpb090 Flail Mower Gearbox Pharmaceutical Equipments   cycloidal gear advantages
editor by CX 2023-04-21

China YinXin speed reducer 8000 series cycloidal gear box for lifting transportation automatic gearbox

Gearing Arrangement: Cycloidal
Output Torque: 2.6-1195N.M
Input Pace: 300-1800Rpm
Output Pace: .sixteen-1571r/min
cycloidal gearbox: Cycloidal Gearbox Reducer
Color: Blue
Solution title: BLD Cycloid Velocity Reducer
Software: Mining Plant
Material: Steel
Bearing: NSK
Certificate: ISO9001
Ratio: 5-a hundred
Mounting Placement: Vertical (flange Mounted)
Enter Kind: IEC Flange
Packaging Specifics: picket box

Cycloidal gear reducer is a theory adopted K-H-V Planetary Gear less innovative gear. Its transmission approach as follows : enter shaft outfitted with a one hundred eighty-diploma dislocation of the double eccentric sets, changed with 2 eccentric change as a roller bearing arm, the formation of H-, 2 cycloid round gap at the middle shall uplink Eccentric Roller Bearings arm, which cycloidal gear needle spherical and meshing section, comprising a variation of the enamel meshing with the gearbox.

Variety stage Model Ratio Nominal Electricity (KW) Nominal Torque(N.m)
X/B Series Cycloidal Reducer Single reducer B09/X1 9-87 .55-.18 26-50
B0/X2 one.1-.eighteen 58-112
B1/X3 .55-.18 117-230
B2/X4 4-.fifty five 210-four hundred
B3/X5 eleven-.55 580-1571
B4/X6/X7 11-2.2 580-1670
B5/X8 18.5-2.two 1191-3075
B6/X9 fifteen-5.five 5183-5605
B7/X10 eleven-forty five 7643
Sort phase Product Ratio Nominal Electrical power (KW) Nominal Torque(N.m)
X/B Sequence Cycloidal reducer Double reducer B10/X32 99-7569 .37-.18 175
B20/X42 1.1-.18 600
B31/X53 two.2-.twenty five 1250
B41/X63 two.2-.twenty five 1179-2500
B42/X64 four-.fifty five 2143-2500
B52/X84 4-.55 2143-5000
B53/X85 seven.5-.55 5000
B63/X95 7.5-.fifty five 5893-8820
B74/X106 eleven-2.two 11132-12000
B84/X117 11-2.2 11132-16000

Main AttributesAll planetary cycloidal reducer rotating unit can be divided into 3 areas:enter portion,deceleration portion and output portion.
Dislocation on the enter shaft is geared up with a 180℃ of double eccentric sleeve,geared up with 2 ball bearings on the eccentric sleeve,the formation of H 2 cycloid equipment center hole is the eccentric sleeve on the turning arm bearing raceway,and by a groud of cycloid equipment and pin gear ring of gear meshing,considerably less bad tooth meshing reduction mechanism to kind,(in buy to lessen friction,in modest ratio of pace reducer,the needle with needle enamel on the gear set).When the enter shaft with eccentric sleeve rotation for a week,as a consequence of the cycloid gear tooth profile curve traits and restricted by needle on the gear enamel,the movement of the cycloid equipment becoming both revolution and rotation of the airplane motion,and input shaft aremade for a 7 days,eccentric sleeve also change the 7 days,cycloid gear in the opposite course around a huge tooth distinction reduction is attained, then with the help pf W output mechanism,the cycloid gear rotates at minimal velocity movement by means of the pin shaft,handed to the output shaft,lower output pace can be achieved.
Traits:1.Cycloid reducer large reduction ratio, high effectiveness: a reduction equipment ratio is 9~87, Low Noise Bearing NU319 ECMC3 Lina cylindrical roller bearing NU319 ECM ECP the two-stage reduction gear ratio is 121 ~ 5133, multistage mixture can reach tens of countless numbers, and the needle tooth meshing line variety rolling friction, the meshing surface no relative sliding, so a reduction performance of 94%.2.Pin wheel reducer easy working, lower sounds: the teeth make contact with at the identical time when in operation, the coincidence degree large, secure operating, sturdy overload capacity, low vibration and noise, a variety of designs, tiny sound.3. The use of dependable, lengthy existence: because the primary component is manufactured of large carbon alloy steel quenching (HRC58-sixty two), and then grinding, and cycloid equipment and pin equipment set mesh transfer to the pin gear sort rolling friction pair, friction coefficient is modest, so that the meshing zone no relative sliding, wear little, so tough.4. Compact framework, small quantity: when compared with other reducer with the energy of the over fat, tiny volume 1/3, as is the planetary transmission, the input shaft and the output shaft in the same axis, in order to obtain the smallest attainable dimensions.
Our Business HangZhou Yinxin Electromechanical Services Co. LtdHangZhou Yinxin Electromechanical Equipment Co., Ltd.is a present enterprise integrating growth, EVERLIN brand original Chi Cheng Planetary Gearbox MP280L style, generation and product sales,Main selling merchandise incorporate reducer motor,drinking water pump,development equipment and areas,bearings,hardware and electrical products,plastic items,Labour safety appliance.Our organization often adhere to the procedure idea which includes folks-oriented, innovation as the soul,be ready for threat in moments of peace, unremitting……
Software spot Certifications Income territory Packing & Shipping and delivery

Packaging
Size five hundred (L) * five hundred (W) * four hundred (D)
Excess weight one.2 T
Packaging Specifics The standard deal is picket box(Measurement: L*W*H). If export to european nations around the world,the picket box will be fumigated.If container is way too tigher,we will use pe movie for packing or pack it in accordance to clients special ask for.
Packaging
Dimensions 500 (L) * 500 (W) * 400 (D)
Bodyweight one.2 T
Packaging Specifics The typical package is picket box(Dimension: L*W*H). If export to european international locations,the picket box will be fumigated.If container is as well tigher,we will use pe film for packing or pack it according to consumers specific request.

FAQQ1: Are you trading firm or maker ?A: We are a company in ZheJiang China.welcome to our factory to have a check out.
Q2: How we decide on designs and technical specs?A:You can email us the series name & code (for case in point: WJ series worm reducer) as properly as necessity details, these kinds of as motor electrical power, output velocity or ratio, services aspect or your application…as considerably knowledge as attainable. If you can supply some photographs or drawings, it is better.
Q3: How is your value? Can you supply any low cost?A: We will give the best value we can base on your needs and the quantities.
This fall: How lengthy ought to I hold out for the comments soon after I deliver the enquiry?A: In 12 several hours.
Q5: What is your merchandise guarantee period of time?A:We provide 1 12 months guarantee considering that the vessel departure date still left China.
Q6: What industries are your gearboxes being utilized?A:Our gearboxes are commonly applied to metallurgical equipment, mining equipment, automation gear, foodstuff equipment, 42zyt01A 12 Volt 24 Volt DC Motor, Rated 3500rpm, 38mnm packaging products, tobacco gear and so on.

Choosing a Gearbox For Your Application

The gearbox is an essential part of bicycles. It is used for several purposes, including speed and force. A gearbox is used to achieve one or both of these goals, but there is always a trade-off. Increasing speed increases wheel speed and forces on the wheels. Similarly, increasing pedal force increases the force on the wheels. This makes it easier for cyclists to accelerate their bicycles. However, this compromise makes the gearbox less efficient than an ideal one.
gearbox

Dimensions

Gearboxes come in different sizes, so the size of your unit depends on the number of stages. Using a chart to determine how many stages are required will help you determine the dimensions of your unit. The ratios of individual stages are normally greater at the top and get smaller as you get closer to the last reduction. This information is important when choosing the right gearbox for your application. However, the dimensions of your gearbox do not have to be exact. Some manufacturers have guides that outline the required dimensions.
The service factor of a gearbox is a combination of the required reliability, the actual service condition, and the load that the gearbox will endure. It can range from 1.0 to 1.4. If the service factor of a gearbox is 1.0, it means that the unit has just enough capacity to meet your needs, but any extra requirements could cause the unit to fail or overheat. However, service factors of 1.4 are generally sufficient for most industrial applications, since they indicate that a gearbox can withstand 1.4 times its application requirement.
Different sizes also have different shapes. Some types are concentric, while others are parallel or at a right angle. The fourth type of gearbox is called shaft mount and is used when mounting the gearbox by foot is impossible. We will discuss the different mounting positions later. In the meantime, keep these dimensions in mind when choosing a gearbox for your application. If you have space constraints, a concentric gearbox is usually your best option.

Construction

The design and construction of a gearbox entails the integration of various components into a single structure. The components of a gearbox must have sufficient rigidity and adequate vibration damping properties. The design guidelines note the approximate values for the components and recommend the production method. Empirical formulas were used to determine the dimensions of the various components. It was found that these methods can simplify the design process. These methods are also used to calculate the angular and axial displacements of the components of the gearbox.
In this project, we used a 3D modeling software called SOLIDWORKS to create a 3-D model of a gear reducer. We used this software to simulate the structure of the gearbox, and it has powerful design automation tools. Although the gear reducer and housing are separate parts, we model them as a single body. To save time, we also removed the auxiliary elements, such as oil inlets and oil level indicators, from the 3D model.
Our method is based on parameter-optimized deep neural networks (DBNs). This model has both supervised and unsupervised learning capabilities, allowing it to be self-adaptive. This method is superior to traditional methods, which have poor self-adaptive feature extraction and shallow network generalization. Our algorithm is able to recognize faults in different states of the gearbox using its vibration signal. We have tested our model on two gearboxes.
With the help of advanced material science technologies, we can now manufacture the housing for the gearbox using high-quality steel and aluminium alloys. In addition, advanced telematics systems have increased the response time of manufacturers. These technologies are expected to create tremendous opportunities in the coming years and fuel the growth of the gearbox housing market. There are many different ways to construct a gearbox, and these techniques are highly customizable. In this study, we will consider the design and construction of various gearbox types, as well as their components.
gearbox

Working

A gearbox is a mechanical device that transmits power from one gear to another. The different types of gears are called planetary gears and are used in a variety of applications. Depending on the type of gearbox, it may be concentric, parallel, or at a right angle. The fourth type of gearbox is a shaft mount. The shaft mount type is used in applications that cannot be mounted by foot. The various mounting positions will be discussed later.
Many design guidelines recommend a service factor of 1.0, which needs to be adjusted based on actual service conditions. This factor is the combined measure of external load, required reliability, and overall gearbox life. In general, published service factors are the minimum requirements for a particular application, but a higher value is necessary for severe loading. This calculation is also recommended for high-speed gearboxes. However, the service factor should not be a sole determining factor in the selection process.
The second gear of a pair of gears has more teeth than the first gear. It also turns slower, but with greater torque. The second gear always turns in the opposite direction. The animation demonstrates this change in direction. A gearbox can also have more than one pair of gears, and a first gear may be used for the reverse. When a gear is shifted from one position to another, the second gear is engaged and the first gear is engaged again.
Another term used to describe a gearbox is “gear box.” This term is an interchangeable term for different mechanical units containing gears. Gearboxes are commonly used to alter speed and torque in various applications. Hence, understanding the gearbox and its parts is essential to maintaining your car’s performance. If you want to extend the life of your vehicle, be sure to check the gearbox’s efficiency. The better its functioning, the less likely it is to fail.

Advantages

Automatic transmission boxes are almost identical to mechanical transmission boxes, but they also have an electronic component that determines the comfort of the driver. Automatic transmission boxes use special blocks to manage shifts effectively and take into account information from other systems, as well as the driver’s input. This ensures accuracy and positioning. The following are a few gearbox advantages:
A gearbox creates a small amount of drag when pedaling, but this drag is offset by the increased effort to climb. The external derailleur system is more efficient when adjusted for friction, but it does not create as little drag in dry conditions. The internal gearbox allows engineers to tune the shifting system to minimize braking issues, pedal kickback, and chain growth. As a result, an internal gearbox is a great choice for bikes with high-performance components.
Helical gearboxes offer some advantages, including a low noise level and lower vibration. They are also highly durable and reliable. They can be extended in modular fashion, which makes them more expensive. Gearboxes are best for applications involving heavy loads. Alternatively, you can opt for a gearbox with multiple teeth. A helical gearbox is more durable and robust, but it is also more expensive. However, the benefits far outweigh the disadvantages.
A gearbox with a manual transmission is often more energy-efficient than one with an automatic transmission. Moreover, these cars typically have lower fuel consumption and higher emissions than their automatic counterparts. In addition, the driver does not have to worry about the brakes wearing out quickly. Another advantage of a manual transmission is its affordability. A manual transmission is often available at a lower cost than its automatic counterpart, and repairs and interventions are easier and less costly. And if you have a mechanical problem with the gearbox, you can control the fuel consumption of your vehicle with appropriate driving habits.
gearbox

Application

While choosing a gearbox for a specific application, the customer should consider the load on the output shaft. High impact loads will wear out gear teeth and shaft bearings, requiring higher service factors. Other factors to consider are the size and style of the output shaft and the environment. Detailed information on these factors will help the customer choose the best gearbox. Several sizing programs are available to determine the most appropriate gearbox for a specific application.
The sizing of a gearbox depends on its input speed, torque, and the motor shaft diameter. The input speed must not exceed the required gearbox’s rating, as high speeds can cause premature seal wear. A low-backlash gearbox may be sufficient for a particular application. Using an output mechanism of the correct size may help increase the input speed. However, this is not recommended for all applications. To choose the right gearbox, check the manufacturer’s warranty and contact customer service representatives.
Different gearboxes have different strengths and weaknesses. A standard gearbox should be durable and flexible, but it must also be able to transfer torque efficiently. There are various types of gears, including open gearing, helical gears, and spur gears. Some of the types of gears can be used to power large industrial machines. For example, the most popular type of gearbox is the planetary drive gearbox. These are used in material handling equipment, conveyor systems, power plants, plastics, and mining. Gearboxes can be used for high-speed applications, such as conveyors, crushers, and moving monorail systems.
Service factors determine the life of a gearbox. Often, manufacturers recommend a service factor of 1.0. However, the actual value may be higher or lower than that. It is often useful to consider the service factor when choosing a gearbox for a particular application. A service factor of 1.4 means that the gearbox can handle 1.4 times the load required. For example, a 1,000-inch-pound gearbox would need a 1,400-inch-pound gearbox. Service factors can be adjusted to suit different applications and conditions.

China YinXin speed reducer 8000 series cycloidal gear box for lifting transportation     automatic gearbox	China YinXin speed reducer 8000 series cycloidal gear box for lifting transportation     automatic gearbox
editor by czh 2023-02-17

in Goma Democratic Republic of the Congo sales price shop near me near me shop factory supplier Automatic Sliding Gate M1 Plastic Steel Gear Rack manufacturer best Cost Custom Cheap wholesaler

  in Goma Democratic Republic of the Congo  sales   price   shop   near me   near me shop   factory   supplier Automatic Sliding Gate M1 Plastic Steel Gear Rack manufacturer   best   Cost   Custom   Cheap   wholesaler

our merchandise are selling properly in the American, European, South American and Asian marketplaces. At any time-Electrical power Group CO., LTD. IS Expert IN Creating ALL Types OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL Equipment Velocity REDUCERS, PARALLEL SHAFT HELICAL Gear REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM Equipment REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, Auto GEARBOXES, PTO Drive SHAFTS, Specific REDUCER & Related Gear Elements AND OTHER Relevant Items, SPROCKETS, HYDRAULIC Program, VACCUM PUMPS, FLUID COUPLING, Equipment RACKS, CHAINS, TIMING PULLEYS, UDL Velocity VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, Equipment PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS Minimal BACKLASH WORM REDUCERS AND SO ON. Our product selection also addresses locking assemblies (clamping factors/locking unit), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, common joint, rod finishes and yokes.

EPTT Sliding Gate M1 Plastic Metal EPT Rack

Specification LxWxH(mm) EPT Module
1005x8x30

A3 EPT

C45 EPT

Stainless Steel

M4
1005x9x30 M4
1005x10x30 M4
1005x11x30 M4
1005x12x30 M4
1002x12x30 M4
1004x12x30 M4
1005x15x30 M4
1005x20x20 M4
1005x22x22 M4
1005x25x25 M4
1005x30x30 M4
1004x8x40 M4
1998x8x30 M4

Use:
Largely utilized in the mining, metallurgical, cement, chemical substances,development, buiding supplies,
electric powered EPTT, telecommunictions, textiles, and transportation departments.
Such as:
one. conveyor:Belt conveyor,AFC conveyor, EPT conveyor, screw conveyor.
2. Pum:EPT, oil pump, slush pump, and so forth.
3. Admirer: Draft enthusiast, fanner, boil enthusiast, etc.
4. Excator:bucket excavator bucket, wheel excavators .
5. EPTT:EPT crane, gantry crande, bridge crane.
6. Other people:A variety of elevators, coal plough, ball mill, crusher, recreation EPTT.
seven. BlenEPTTequipment, centrifuger, washer, leather-based-making EPTT, EPTT for recreation park mixer wire drawing EPTT.Extruder, dregs crusher of EPT.
8. Plastic feeder, rubber smelling EPTT, etc.

Main EPT:
one. Timing Belt EPT (EPT EPT), Timing Bar, Clamping Plate
two. EPT, EPTT, Stampling Part
3. V Belt EPT and EPTTper Lock Bush EPT, Loafer and Plate WheelSpur EPT, EPTTl EPT, Rack
4. Shaft Locking Unit: could be substitute for Ringfeder, Sati, Chiaravalli, Tollok, and many others.
5. Shaft Coupling:incXiHu (West EPT) Dis.Hu (West EPT) Dis. Miniature couplings, Curved tooth coupling, EPTT coupling, EPTC coupling, Normex coupling, Kind coupling, GE Coupling, torque limiter, EPT EPTt
six. Shaft Collars: incXiHu (West EPT) Dis.Hu (West EPT) Dis. Setscrew Kind, One Break up and EPTT Splits
seven. EPT amp Rack: Spur EPT/rack, EPTTl EPT, helical EPT/rack
eight. Other EPT Machining Parts according to drawings (OEM).

A lot more Advantages:
1. Far more aggressive rates,
two. Shorter shipping day: 35 days.
three. We are the expert manufacturer in the subject of EPTT Trans. Elements,EPTTly for Timing EPTs.
4. Create stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd and non-stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd
5. Rigorous QC Administration:ISO9001:2008,our engineer,Mr.EPT has EPTTized in the prodcution for above twenty several years.

EPTT amp EPT:
All the items can be packed in cartons,or,you can choose the pallet EPTT.
Made IN CHINA can be pressed on wooden circumstances.Land,air,sea transportation are available.UPS,DHL,TNT,
FedEx and EMS are all supported.

EPTT:

SICEPTTN MIGEPTTY EPTTRY EPTTLtd., a subsidiary firm of ZheJiang EPTTry EPTT. ampExp. Corp(SCMIEC),which is a wholly mentioned-owned EPTTrprise estabEPTTd in1980,EPTTized in producing precision mechanical EPTT EPTT merchandise. After several years of hard operate,EPTT turn out to be the EPTT organization of 3 producing factories and also the one particular of the greatest EPTTrprise source EPTT EPTT parts in western EPTT.

EPTT’s goods are mainly exported to Europe,The united states and Middle EPT market. With the prime-rating administration,skilled technical assistance and ample export encounter,EPTT has estabEPTTd lasting and steady organization partnership with many entire world well-known businesses and has acquired excellent reputation from world wide consumers in global product sales.

Factory View:

FAQ:
one. MOQ
A: EPTTly, one personal computer for stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd components contact for nonstXiHu (West EPT) Dis.Hu (West EPT) Dis.rd elements.

two. Shipping and delivery Time
A: In stock: inside of five functioning times. Out of inventory: relies upon on your orEPTTquantity.

3. How To Select
A: part variety or drawing, catalogue. If no, you can ship us your sample, so we can make the drawing and sample appropriately.

four: What is the Guarantee for your goods?
A:Normally our warranty is 1 yr.

Contacts:

  in Goma Democratic Republic of the Congo  sales   price   shop   near me   near me shop   factory   supplier Automatic Sliding Gate M1 Plastic Steel Gear Rack manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Goma Democratic Republic of the Congo  sales   price   shop   near me   near me shop   factory   supplier Automatic Sliding Gate M1 Plastic Steel Gear Rack manufacturer   best   Cost   Custom   Cheap   wholesaler