Solution Description

We are 1 of the leading producer of planetary gearboxes through powder metallurgy. A gearbox is a energy transmission device to make high torque by reducing the travel velocity or enhance the travel speed the other way. Planetary gearbox consisting 3 parts: sun equipment, world gear and ring gear . A Solar gear is a gearwheel in a planetary gear method, that rotates all around its own axis and has other gears (planet gears) that rotate all around it. Significantly like the Sunshine and planets in our photo voltaic method. The amount of planetary gears in a gearbox may differ based on the equipment ratio. Most planetary gearboxes have from 2 to 5 planet gears.
When looking at planetary gears, the toughness of the gearbox is usually determined by the measurement of the sunlight equipment. Bigger sun gears will let for higher torque values. The planet carrier,Its objective is to maintain up to gears of the exact same dimensions, which mesh with the solar gear.

 



Planetary Gearbox benefits:

  1. Gives high torque at gradual speeds .
  2. The shafts are manufactured up of hardened and tempered alloy steel .
  3. Sun gears ,planet gears and ring gears are made of powder metallurgy and sintering steel
  4. Minimal noise ranges.
  5. Good good quality taper roller bearings for enter and output shafts .
  6. Large performance .

We create precision steel gearboxes by means of powder metallurgy .
Powder metallurgy is a metal working process in which finely-powdered steel is blended with binder content to generate a”feedstock” that is then formed and solidified using injection molding.The capability to combine several operations into 1 approach makes certain MIM is effective in saving direct moments as effectively as fees, offering considerable positive aspects to producers. The metal injection molding approach may possibly be a environmentally friendly technologies owing to the substantial reduction in wastage in comparison to “traditional” production strategies.

MIM can create parts the place it is hard, or even not possible, to efficiently manufacture an product by means of other signifies of fabrication. Elevated fees for conventional production techniques inherent to part complexity, this kind of as internal/exterior threads, miniaturization, or id marking, generally do not improve the price in a MIM procedure thanks to the versatility of injection molding.
The window of economic advantage in metallic injection molded areas lies in complexity and volume for small-size elements. MIM supplies are similar to metal fashioned by competing methods, and last products are employed in a broad selection of industrial, commercial, health care, dental, firearms, aerospace, and automotive applications. Dimensional tolerances of ±0.3% are typical and machining is essential for nearer tolerances .
MIM technology has discovered elevated apps in the professional planet – from home appliances to watches, vehicles to aerospace, and medical to orthodontics.

The advantages of steel injection molding for steel fabrications :

  • Highest diploma of design and style independence for sophisticated designs and geometries
  • Supplies sensible financial solutions to increasingly stringent content and product design demands
  • Functional integration of numerous attributes, this kind of as lateral drillings, inside and exterior threads and gear tooth.
  • Factors can be warmth and surface area treated, plated, welded and soldered
  • Very large quantity generation sequence operate on fully-computerized injection molding machines using multi-cavity instruments

 

Metallic injection moulding method customized metallic parts 

MIM prcess in every single actions :
one. Metallic powers option
two. Binders
3. Mixing
four. Molding
5. De-binding
six. Sintering
seven. publish sintering operation this sort of as polishing 
eight. Mechanical qualities MIM parts

Tailored metallic components specification
 

Merchandise sort Customized large precision tiny gearboxes for DC motors
Material steel 
Procedure Powder metallurgy , metal injection molding 
Treatment method plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing format DWG ,IGS , STP
Shipping and delivery time  twenty times for mass generation

Custom made metal parts

Workshop

US $3
/ Piece
|
2,000 Pieces

(Min. Order)

###

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Car Parts
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

###

Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product type Custom high precision small gearboxes for DC motors
Material steel 
Process Powder metallurgy , metal injection molding 
Treatment plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing format DWG ,IGS , STP
Delivery time  20 days for mass production
US $3
/ Piece
|
2,000 Pieces

(Min. Order)

###

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Car Parts
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

###

Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Product type Custom high precision small gearboxes for DC motors
Material steel 
Process Powder metallurgy , metal injection molding 
Treatment plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing format DWG ,IGS , STP
Delivery time  20 days for mass production

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.helical gearbox

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.helical gearbox

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.helical gearbox

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.
China Custom Micro Planetary Reducer Ratio 3: 1-1200: 1, Powder Metallurgy Machinery Gear Reducer Speed Transmission High Torque Precision Gearboxes for DC Motors     manufacturer China Custom Micro Planetary Reducer Ratio 3: 1-1200: 1, Powder Metallurgy Machinery Gear Reducer Speed Transmission High Torque Precision Gearboxes for DC Motors     manufacturer
editor by czh 2022-12-31