China factory Zd Zero Low Backlash Torque Automation Robot CNC Reducer NEMA 23 Stepper Servo Motor Super Helical Gear Small Micro Epicyclic High Precision Planetary Gearbox compound planetary gearbox

Product Description

Zd Zero Low Backlash Torque Automation Robot CNC Reducer NEMA 23 Stepper Servo Motor Super Helical Gear Small Micro Epicyclic High Precision Planetary Gearbox

Product Description

1. It is mainly used for servo motor/stepping motor, with the greatest characteristics of high precision and large transmission capacity.

2. It can also be equipped with power sources such as DC motor, single-phase motor, synchronous motor and various three-phase asynchronous motors.

3. Precision planetary gear reducer, also known as servo planetary gear reducer, adopts planetary gear structure design, adopts high-performance alloy steel for special heat treatment, and flanges are made of aluminum alloy, which is characterized by beautiful appearance, small volume, light weight, large transmission ratio, large torque, low noise, high efficiency, long service life, etc.

4. Fully enclosed and internally filled with high-performance grease, free of maintenance for life.

  • 7 sices: 42mm-220mm
  • Output torque: 14Nm-2000Nm
  • Ratio:
    2-stage: 15/20/25/30/35/40/45/50
  • Backlash:
    1-stage:≤1, ≤3, ≤5 arcmin
    2-stage:≤3, ≤5, ≤7 arcmin
  • 7 sices: 42mm-220mm
  • Output torque: 9Nm-2000Nm
  • Ratio:
  • Backlash:
    1-stage:≤2, ≤4, ≤6 arcmin
    2-stage:≤4, ≤7, ≤9 arcmin
  • 7 sices: 47mm-255mm
  • Output torque: 14Nm-2000Nm
  • Ratio:
    2-stage: 20/25/30/35/40/50/60/70/80/100
  • Backlash:
    1-stage:≤1, ≤3, ≤5 arcmin
    2-stage:≤3, ≤5, ≤7 arcmin
  • 7 sices: 47mm-255mm
  • Output torque: 14Nm-2000Nm
  • Ratio:
  • Backlash:
    1-stage:≤2, ≤4, ≤6 arcmin
    2-stage:≤4, ≤7, ≤9 arcmin
  • 7 sices: 42mm-220mm
  • Output torque: 14Nm-2000Nm
  • Ratio:
  • Backlash:
    1-stage:≤5 arcmin
    2-stage:≤8 arcmin
  • 7 sices: 70mm-235mm
  • Output torque: 14Nm-2000Nm
  • Ratio:
  • Backlash:
    1-stage:≤5  arcmin
    2-stage:≤8 arcmin
  • 10 sices: 40mm-160mm
  • Output torque: 9Nm-423Nm
  • Ratio:
  • Backlash:
    1-stage:≤6, ≤8 arcmin
    2-stage:≤8, ≤10 arcmin

1. Square housing, CZPT shaft input, CZPT shaft output, flange connection.

2. It is widely used, economical and practical, and has a long life. In the application of servo control, it has played a good servo rigidity effect, accurate positioning control, and has the characteristics of low back clearance, high efficiency, high input speed, high input torque, smooth operation, low noise, etc. on the operating platform. Its appearance and structure design are light and small.

TYPE AND MODEL NUMBER                                                                       

PL    80   –   40    P2     S2     OP1

 1       2         3     4         5        6

Planetary Gearbox Frame Code:                                                                                                       

PL: Round flange mounting Series                                                                                                    

WPL: Right-angle Round flange mounting Series                                                                               

PF:Square flange mounting Series                                                                                                    

WPF: Right-angle Square flange mounting Series                                                                              

HAB: High Rigidity high precision Square housing Series                                                                   

WHAB: Right-angle High Rigidity high precision Square housing Series                                               

HAT: Right-angle Double flange Double shaft Series  


Single stage:3,4,5,7,8,10
Three stages:60,80,100,120,160,200,256,320,512



Output shaft type S1: Shaft without key
S2: Shaft with key
T:  Special require
Input shaft type

S1: Shaft without key
S2: Shaft with key
T:  Special require

Input shaft type

OP1: Integral Hoop clamp coupling
OP2: Split type Hoop clamp coupling (without keyway)
OP3: Integral Hoop clamp coupling with keyway
OP4: Reinforcement Integral Hoop clamp coupling( suitable for frequently CW and CCW)
OP5: Only keyway connect coupling
OP6: Other type connect coupling   


Size above PL120(including) high torque products adopt integral double wall planet pinion carrier, improve the output strength and precision.

Hoop clamp coupling have 5 connection ways suitable for different application environments:

Size above PL120(including) precision and high strength integral inner gear housing, processed in 1 station, which eliminate the cumulative error and assembling error of split type. Get rid of casting process; adopt hot forging process, which will reduce the blank material defects.

The meshing gear adopt shaving process after carburizing and quenching, which easier to make gear surface smooth and high precision, reduce the temperature rising caused by gear surface gluing and friction.

Related products



Purpose/application field
It is increasingly widely used in metallurgy, mining, petroleum, chemical industry, shipping, light industry, food, textile, printing and dyeing, pharmacy, rubber, plastic, and lifting transportation.

1. When installing the reducer, attention shall be paid to the alignment of the transmission center axis, and the error shall not be greater than the use compensation of the coupling used. Good alignment can prolong service life and obtain ideal transmission efficiency.
2. When installing the transmission parts on the output shaft, it is not allowed to strike with a hammer. Generally, the transmission parts are pressed in with bolts by using the assembly fixture and the internal thread of the shaft end, otherwise the internal parts of the reducer may be damaged. It is better not to use rigid fixed coupling. Improper installation of this type of coupling will cause unnecessary external load, resulting in early damage to the bearing and even fracture of the output shaft in severe cases.
3. The reducer shall be firmly installed on a stable and horizontal foundation or base, the oil in the oil drain tank shall be drained, and the cooling air circulation shall be smooth. The foundation is not reliable, which will cause vibration and noise during operation, and cause damage to bearings and gears. When the transmission connecting parts have protrusions or are driven by gears and sprockets, it shall be considered to install protective devices. When the output shaft bears a large radial load, the reinforced type shall be selected.
4. The installation device shall be in accordance with the provisions to ensure that the staff can easily approach the oil pointer, vent plug and drain plug. After the installation is in place, the accuracy of the installation position and the reliability of each fastener pressing shall be comprehensively checked in order. After the installation, it shall be able to rotate flexibly. The reducer is lubricated by oil pool splash. Before operation, the user needs to remove the plug of the vent and replace it with a vent plug. According to different installation positions, open the oil level plug screw to check the height of the oil level line. Add oil from the oil level plug until the lubricating oil overflows from the screw hole of the oil level plug. After the oil level plug is screwed on and confirmed to be correct, the no-load test run can be carried out, and the time shall not be less than 2 hours. The operation shall be stable without shock, vibration, noise and oil leakage, and any abnormality shall be eliminated in time.
After a certain period of time, the oil level should be checked again to prevent possible leakage caused by the casing. If the ambient temperature is too high or too low, the brand of lubricating oil can be changed.

Company Profile

Our company is a physical factory specializing in the production of planetary gear reducers. We have an experienced technical team and advanced processing equipment. Through digestion and integration of the world’s leading production processes, we have formed a standard mature system. We are an early manufacturer of high-precision reducers in mainland China. Now the product supporting scope has covered the automation fields such as bending machine, machine tool, cutting machine, woodworking machine, glass, chemical fiber, textile, packaging, robot, etc., and has been widely praised. Planetary gear reducer is suitable for servo and stepping motors of Panasonic, Mitsubishi, Delta, Siemens, Xihu (West Lake) Dis.yuan, CZPT and other domestic and foreign manufacturers, and provides technical support in non-standard fields. We look CZPT to cooperating with you!

Our equipments


Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Planetary
Gear Shape: Bevel Gear
Step: Stepless
Type: Planetary Gear Reducer
US$ 120/Piece
1 Piece(Min.Order)

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What is a Planetary Gearbox?

A planetary gearbox is a mechanical device in which the teeth of a planet mesh with the teeth of its sun or ring. The number of teeth and the spacing of planets will determine whether the teeth mesh correctly. In this article, we will learn more about planetary gearboxes. Besides understanding their working, you can also learn how to design your own. Here are some examples:

planetary gearboxes

If your car has an automatic transmission, then a planetary gearbox is the type you have. It is possible to find out if you have this type of gearbox by consulting the owner’s manual, calling the service department of your car’s manufacturer, or conducting a search using your favorite search engine. However, planetary gears are more complex and have many more components than standard gearboxes. The following information will explain more about this type of gearbox.
Planetary gearboxes use three different gear types to transmit torque. The sun gear sits in the center of the gear assembly, while the other gears rotate around it. A carrier connects the two gears, and is designed to set the spacing between them. When the gears are rotated, the carrier will spin, enabling the entire assembly to work together. The carrier also incorporates the output shaft. For this gearbox to work effectively, it must meet the application’s requirements.
There are three main types of planetary gearboxes: the basic model is highly efficient and transmits 97% of the power input. The earliest models are not complex, but they do have some key differences. Some of these differences make them ideal for various applications. For example, a planetary gearbox can operate in alternating and continuous operation, with the output support having internal grooving. Some designs have more than one output shaft, allowing the user to choose the configuration and torque that is best for their application.
One of the main differences between a planetary gearbox and a conventional one is the way the planetary parts move. A planetary gearbox may have multiple axes for increased torque. A planetary gearbox can provide a torque up to 113,000 N.m. by rotating its maximum teeth simultaneously. They are the ideal choice for space-constrained applications. For instance, a car with small spaces can install one with ease.
A planetary gearbox’s gear ratio is determined by the ratio of the sun gear to the ring gear. The number of teeth on the sun gear is a way to adjust the gear ratio. Smaller sun gears result in larger planetary gear ratios, while larger ones cause a decrease in torque. The ratio between planetary gears ranges from 3:1 to 10:1, with the lowest ratio being three. The greatest possible ratio is 10:1.
A planetary gearbox has many benefits. The compact design makes them a more efficient choice for small motors and is advantageous for servo functions. Planetary gearboxes have low inertia, which is an important factor, especially in servo applications, since the inertia of the gearbox adds to the motor’s load inertia. The planetary gearboxes are typically lubricated with grease or oil, so you don’t need to worry about re-lubrication or maintenance.

planetary gearboxes with output shaft

The advantages of planetary gearboxes are numerous. They are widely used in many applications, from automobiles to medical equipment, goods & personnel lifts to machine tools. They are also used in derrick & dockyard cranes and slewing drives. These gearboxes are available in various sizes and shapes, ranging from small to extremely large. There are many different types, and each is designed to suit its intended use.
The LP generation 3 gearhead series combines maximum quality with economic precision in a low-backlash planetary gearbox. The output shaft version is especially suited for high-speed, highly dynamic cyclic operation. Another version is the SP+ HIGH SPEED. The SP+ high-speed version is designed to achieve maximum speeds while in continuous operation. If you need a planetary gearbox with an output shaft, look no further. It is the best choice for many applications.
As the name suggests, a planetary gearbox incorporates planetary parts and an output shaft. The outer gears (also called the planetary gears) are connected by a carrier to the output shaft. The carrier is then connected to the output shaft by a ring. There are two or more planetary gears inside the planetary gearbox. Each gear is connected to a carrier, which is connected to the output shaft.
An epicyclic planetary gear train can be assembled so that the planet gear rolls around the sun gear. In the wheel drive planetary gearbox, the planetary gears are grouped over the housing to optimize the size and weight of the system. The planetary gear train can handle torques as high as 332,000 N.m., with the ring gear being fixed while the sun gear is movable.
Another advantage of a planetary gearbox is that it uses many teeth at once. This allows for high speed reduction and high torque transmission, and it is extremely compact. Planetary gearboxes with output shaft are ideal for space-constrained applications. Their compact size and minimal weight make them a popular choice in many industries. They are also known as epicyclic gears and are used in many different types of machines.
A planetary gearbox can have three components. A central sun gear, an outer ring known as the inner gear, and an output shaft. These three components are linked by a carrier. The carrier rotates so that the input and output gears are in sync. They also have a standard gap between the gears. The carrier also acts as the output shaft. They can be used to create small machines, such as a bicycle acceleration hub.

planetary gearboxes with integer number of teeth

When designing a planetary gearbox, one must determine the amount of tooth count. This figure is known as the mesh load factor Kg, and is based on the normal tooth forces that are generated in each mesh. The number of planets, the error in the gear design, and the rigidity of the housing all affect Kg. Depending on the type of application, Kg can be calculated by using different standards.
In a typical planetary gearbox, the ratio is an integer number, and the lowest is 3:1. At a ratio of 10, the sun gear is too large and the sun wheel is too low to provide a sufficient amount of torque. In most cases, the ratio is an integer value, and the teeth are evenly spaced. The gear mesh is then balanced to grade 2. The carrier is measured three-dimensionally to detect the accuracy of the planet pin hole in the carrier.
In the simplest case, each planetary gear mesh produces a dynamic signal at its mesh frequency. These signals can cancel or reinforce in various ways. A helix angle, however, introduces axial forces into the gear mesh, which can be cancelled or reinforced in the same way as torques. As the helix angle is an integer number, this planetary gear model does not necessarily require infinite precision.
The resulting motion period is measured in rotational angles. This figure can be used to determine fault diagnosis and calculate the minimum data length required. It can also be used to calculate the kinematic motion of a faulty planet gear tooth. It is important to note that fault-mesh motion is not instantaneous, and therefore, it requires a sufficient amount of time to fully mesh a faulty planet gear.
The load-share factor is similar to that of spur and helical gearboxes, and can be used to calculate dynamic load sharing. When the load share factor is low, the individual gear meshes are slightly loaded. Deflections can vary, especially with high-precision gears. Therefore, the design process should incorporate the tolerance chain. This will ensure the correct ratio of gear mesh.
A planetary gearbox is a type of planetary gear system that is used in motors. It has a sun gear at the center and a set of outer gears. Each gear turns according to its axis around the sun. They are interconnected by a ring component and are connected to each other through a carrier. The carrier also includes the output shaft. And since the sun gear is centered, the mesh is standard.
As an added benefit, planetary gearboxes have sliding surfaces, which reduce noise and vibration. Despite the high-quality of planetary gearboxes, it is important to properly lubricate them to avoid wear and tear. CZPT uses CZPT. In order to make the planetary gearboxes last a long time, the lubricant is usually incorporated in the planetary gearbox.

China factory Zd Zero Low Backlash Torque Automation Robot CNC Reducer NEMA 23 Stepper Servo Motor Super Helical Gear Small Micro Epicyclic High Precision Planetary Gearbox   compound planetary gearboxChina factory Zd Zero Low Backlash Torque Automation Robot CNC Reducer NEMA 23 Stepper Servo Motor Super Helical Gear Small Micro Epicyclic High Precision Planetary Gearbox   compound planetary gearbox
editor by CX 2023-11-21

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Planetary Gearbox

As one of the leading planetary gearbox manufacturers, suppliers, and exporters of mechanical products, We offer planetary gearbox and many other products.

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