Item Description

Evergreen Machinery’s Technological innovation Conditions:

– Certification: ISO9001 & TS 16949 Certified
– Products Substance Common: ISO, GB, ASTM, SAE, ISO, EN, DIN, JIS, BS
– Solution weight assortment: .05 kg ~ 1000kg
– Major process: Sand Casting, Shell casting, Deburring, Sandblasting, Machining, Heat Therapy, Leakage check, Surface treatment method… and many others 
– Substance Offered: 
  1>Ductile Iron: QT400, QT450, QT500, QT600, QT700, QT800, and GGG40, GGG50, GGG60, GGG70, GGG80, and so on  
  2>Grey iron: HT100, HT150, HT200, HT250, HT300, HT350 and GG15, GG20, GG25, GG30, GG35, GG40
  3>Other Substance:Solid Iron, Steel, Aluminum, Brass, Alloys or as for every customer specifications, and so on
– Application: Professional/E, Auto CAD, Solidwork
– Drawings: 2nd & 3D Drawings (Igs, PDF, JPEG, DWG, CAXA, UG, Stp…etc.) could be manufactured and presented based on the samples. 

Evergreen Machinery’s Tooling and Mildew:

– CZPT daily life: Semi-permanent
– Tooling Leadtime: 2 weeks, based on the structure and dimension
– Tooling & CZPT servicing:  Be liable by CZPT Machinery

Evegreen Machinery’s Good quality control:

– Faulty items price:  ≤ .1%.
– High quality Handle:  Sample and pilot operate will be offered 100% inspection in the course of generation and ahead of cargo, Sample check out for mass generation in accordance to ISO normal or customer requirements
– Test gear:  Spectrum Analyzer, CMM, Hardness check tools, Tension check equipment
– Right after-revenue providers:  Obtainable
– Top quality situation:  Traceable

Why HangZhou CZPT Machinery?

–  Abundant encounter: 25 years of expertise in casting and forging for European and U.S. markets.
–  OEM & ODM items application: Vehicle components, Engine elements, Agriculture gear areas, Practice parts, Valve, Pump… and so on
–  Materials: 1> Grey Iron: HT100/HT150/HT200/HT250/HT300/HT350
                 2>Ductile Iron: QT400/QT450/QT500/QT600
–  Material Regular: ASTM, SAE, JIS, BS, DIN, ISO, GB
–  Item weight: .05kg ~1000kg
–  Machining gear: CNC, Lathe equipment, Milling equipment, Drilling device… and so on
–  Take a look at gear: Optical Spectrum Analyzer, CMM, Hardness check equipment, Tensile check equipment
–  Surface area treatment method: Blacking, Polishing, Anodize, Painting, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating… and so on
–  Utilized application for specification drawings: Professional/E, Auto CAD, Solidwork, CAXA, UG… etc
–  Additional offered procedure: Turning, slicing, milling, grinding, drilling, reaming, welding, stamping and threading

(sand casting workshop)

(Evergreen Machinery’s Patents)

What can CZPT Machinery supply, what projects can you comprehensive by means of us?

Our primary organization in metallic products, and our solution variety largely covers Metallic perform, Aluminum Casting, Expenditure/Precision casting metal, Sand casting, Forging…and many others.
These goods utilized in Wind electrical power, Turbine, large duty Truck, Train, Hydraulic Cylinder, Motor, Agriculture products, Lighting, Marine and Mining equipment, Components, CZPT breeding, and so forth.

(Sand casting workshop)

Evergreen Machinery’s Capacity & Ability:

– Potential:   1>Al die casting: 3000~4000 ton per yr
                   2>Sand casting: 10000 ton for each 12 months
                   3>Investment casting: 2000 ton for every year
                   4> Forging: 8000 ton for each yr
– Certification: EN15085 & ISO3834 welding certificate
– Machining gear: CNC, Lathe equipment, Milling machine, Drilling machine, Grinding equipment… etc
– Examination products: Optical Spectrum Analyzer, CMM, Hardness test equipment, Tensile test machine
– Area therapy: Powder coating, Anodization, Chrome plating, Portray, Sand blasting, Galvanization

(expense casting workshop)

Evergreen Machinery’s High quality & Service:

Evergreen Machinery’s top quality philosophy is “No Compromise“.

We have a various customer variety CZPT above 30 international locations and areas, Germany, United states of america, Australia & Japan are our primary marketplaces. We are fully commited to serve our buyer by supplying quality merchandise and solutions. For our first buyers, we supply goods and companies that meet up with or exceed their anticipations every time essential. For our emerging marketplace consumers, we provide worth-extra, cost-effective items every time attainable.

Welcome to visit CZPT Equipment (the photograph demonstrates the customer and our standard supervisor Walt Wang)

Who We Provide? You are our good quality buyer!

The Apps of Our OEM Personalized Metal Parts Engine parts, Auto elements, Machinery Elements, Rail Train parts, Truck Parts,Tractor Areas, Construction Equipment, Agriculture Products,Other industrial fields.

Evergreen Machinery’s FAQ:

Q: Do you make personalized products or completed areas?
A: Of course,all elements are not in stock, custom made in accordance to customer’s drawings or samples! If you have any areas to be produced, you should truly feel free of charge to deliver your drawings/samples to us. 
Q: Will my drawing be risk-free after you get it?
A: Yes, we will not release your design to 3rd party except if with your permission. And we can indicator the NDA just before you send the drawing. 
Q: What is the MOQ?
A: Typically we will not have a MOQ, but the a lot more, the cheaper. In addition to, we are pleased to make prototype element or sample for clientele to guarantee good quality common.
Q: Whether or not some samples can be presented?
A: Sure, just need to have some sample cost, we will return it back when continue into mass generation. If a molded is needed, we will demand the mould price prior to beginning. Then the mildew belongs to customer.
Q: What is your products range?
A: OEM & ODM items range: Car areas, Truck Elements, Motor areas, Agriculture equipment areas, Prepare elements, Hardware, and many others.
Q: What’s machining devices do you have?
A: CNC, Lathe machine, Milling equipment, Drilling machine, and so on
Q: Do you have any take a look at equipment?
A: Optical Spectrum Analyzer, CMM, Hardness take a look at gear, Tensile examination machine
Q: How to deal with it when they are identified to be in poor top quality?
A:  Please relaxation assured that all our merchandise are QC inspected and acknowledged with inspection report just before supply and generally there will be no non-conformance in situation of non-conformance, make sure you make contact with us instantly, just take some pictures or films, we will verify the issues and have them reworked or fixed or replaced at the 1st time, the ensuing transportation fees will be borne by our firm. 

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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 czh 2023-01-16