Tag Archives: small planetary gearbox

China wholesaler 170 CV – 125 Kw 1: 1.53 1 3/8 Z6 Pto Increasor Agricultural Gearbox with Overrunning Clutch (2155+RL) small planetary gearbox

Product Description

Specification OF PTO GEARBOX —Speedway:

We developed and produced many tractor spare parts for European Tractors .

Tractor Model we can supply: B1500/1400,B5000,B6000, B7000, TU1400, TX1400, TX1500, YM F1401, YM1400 ETC.

The parts for example: Gearboxes, Tyres, rim Jante, Kit coupling KB-TX 3 point linkage. Exhaust pipe Steering wheel. Kit coupling YM F14/F15, gear shaft, PTO shaft, PTO cardan, key, regulator ect.

Most of the spare parts are with stock. If you are interested in, please feel easy to contact me.

Other relevant parts for cars or machinery we have made in our workshop are as follows:
Drive shaft parts and assemblies,
Universal joint parts and assemblies,
PTO drive shafts,
Spline shafts,
Slip yokes,
Weld yokes,
Flange yokes,
Steering columns,
Connecting rods,

Product Description

 Pto Drive Gearbox  Item:


PTO GEARBOX REDUCER FOR Large square bundle, big pack machine for Farm


No matter you’re cutting brush or mowing pastures, we has the rotary cutter gearbox to fit your

Material available

Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements.

Surface treatment


Blacking, galvanization, chroming, electrophoresis, color painting, …

Heat treatment


High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, …



Company Profile








/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Machinery, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction, Speed Increase
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Type: Planetary Gear Box
Product Name: 1:1.53 1 3/8 Z6 Pto Increasor Agricultural Gearbox
US$ 5000/Piece
1 Piece(Min.Order)

Request Sample


Planetary Gearbox Basics

If you’re in the market for a new Planetary Gearbox, you’ve come to the right place. There’s more to these mechanical wonders than just their name. Learn about Spur gears, helical gears, and various sizes. After you’ve read this article, you’ll know exactly what to look for when shopping for a new one. And you’ll also be able to avoid common mistakes made by amateur mechanics.

Wheel drive planetary gearboxes

Planetary gearboxes have numerous benefits over conventional gearboxes. Their compact design is advantageous for servo functions. Their lubrication is a key feature to maintain smooth operation and avoid damage to the gears. Some manufactures use CZPT to ensure proper functioning. These gearboxes have nearly three times the torque of traditional gearboxes while remaining compact and low in mass.
The planetary gears are made of three different types. Each type has an input and output shaft. The input and output shafts are usually coaxially arranged. The input and output shafts are connected to each other via a carrier. The carrier rotates with the planetary gears. The sun gear is the input gear and is typically 24 teeth in diameter. The outer gears are connected to the sun gear via rings of gears that are mounted around the sun gear.
Planetary gearboxes are also used in wheeled and tracked vehicles. They are also used in winch systems, which lift and lower loads. Typical applications include heavy machinery, such as cranes and earthmovers. Wheel drives are also widely used in municipal and agricultural vehicles, as well as material handling vehicles. The wheel drive is typically mounted directly into the wheel rim. A wheel drive may be fitted into two, three, or even four wheels.
A planetary gear set may be used in stages to provide different transmission rates. In order to choose the right gearbox for your application, consider the torque, backlash, and ratio you need. Then, consider the environment where the gearbox is used. Depending on its location, it might need to be protected from weather, water, and other elements. You can find a wide range of different sizes in the market.

Spur gears

There are two basic types of gearheads: planetary and spur gearheads. Each has its advantages and disadvantages depending on the application. This article will discuss the differences between these two types of gearheads. Spur gearheads are commonly used for transmission applications, while planetary gearheads are more widely used for motors. Spur gearheads are less expensive to produce than planetary gearheads, and they are more flexible in design.
There are many different types of spur gears. Among them, a 5:1 spur gear drive ratio means that the sun gear must rotate five times per revolution of the output carrier. The desired number of teeth is 24. In metric systems, the spur gears are referred to as mm and the moon gears as modules. Spur gears are used in many different types of applications, including automotive and agricultural machinery.
A planetary geartrain is a combination of ring and spur gears, which mesh with each other. There are two kinds of planetary geartrains: simple planetary gears and compound planetary gears. Spur gears are the most common type, with a sun gear and ring gear on either side of the sun. Simple planetary gears feature a single sun and ring gear, while compound planetary gears use multiple planets.
A planetary gearbox consists of two or more outer gears, which are arranged to rotate around the sun. The outer ring gear meshes with all of the planets in our solar system, while the sun gear rotates around the ring gear. Because of this, planetary gearboxes are very efficient even at low speeds. Their compact design makes them a desirable choice for space-constrained applications.

Helical gears

A planetary helical gearbox has two stages, each with its own input speed. In the study of planetary helical gear dynamics, the base circle radius and full-depth involute teeth are added to the ratio of each gear. The tangential position of the planets affects the dynamic amplifications and tooth forces. The tangential position error is an important factor in understanding the dynamic behaviour of helical planetary gears.
A helical gearbox has teeth oriented at an angle to the shaft, making them a better choice than spur gears. Helical gears also operate smoothly and quietly, while spur gears generate a thrust load during operation. Helical gears are also used in enclosed gear drives. They are the most common type of planetary gearbox. However, they can be expensive to produce. Whether you choose to use a helical or spur gearbox depends on the type of gearbox you need.
When choosing a planetary gear, it is important to understand the helix angle of the gear. The helix angle affects the way the planetary gears mesh, but does not change the fundamentals of planetary phasing. In each mesh, axial forces are introduced, which can either cancel or reinforce. The same applies to torques. So, if the ring gear is positioned at an angle of zero, helical gears will increase the axial forces.
The number of teeth on the planets is a variable parameter that must be considered in the design phase. Regardless of how many teeth are present, each planet must have a certain amount of tooth spacing to mesh properly with the ring or sun. The tip diameter is usually unknown in the conceptual design stage, but the pitch diameter may be used as an initial approximation. Asymmetrical helical gears may also cause undesirable noise.

Various sizes

There are several sizes and types of planetary gearboxes. The planetary gear sets feature the sun gear, the central gear, which is usually the input shaft, and the planet gears, which are the outer gears. A carrier connects the planet gears to the output shaft. The primary and secondary features of the planetary gearbox are important factors to consider. Besides these, there are other things to consider, such as the price, delivery time, and availability around the world. Some constructors are quicker than others in responding to inquiries. While others may be able to deliver every planetary gearbox out of stock, they will cost you more money.
The load share behavior of a planetary gearbox is comparable to that of a spur or a helical gearbox. Under low loads, individual gear meshes are slightly loaded, while other components have minimal deflections. In general, load sharing behaviour is affected mostly by assembly and manufacturing deviations. In this case, the elastic deflections help balance these effects. The load-sharing behavior of a planetary gearbox improves when the load increases.
Planetary gearboxes come in different sizes. The most common size is one with two or three planets. The size and type of the gears determine the transmission rate. Planetary gear sets come in stages. This gives you multiple transmission rate choices. Some companies offer small planetary gearboxes, while others offer larger ones. For those with special applications, make sure you check the torque, backlash, and ratio.
Whether the power is large or small, the planetary gearbox should be matched to the size of the drive. Some manufacturers also offer right-angle models. These designs incorporate other gear sets, such as a worm gear stage. Right-angle designs are ideal for situations where you need to vary the output torque. When determining the size of planetary gearboxes, make sure the drive shafts are lined up.


This report is designed to provide key information on the Global Applications of Planetary Gearbox Market, including the market size and forecast, competitive landscape, and market dynamics. The report also provides market estimates for the company segment and type segments, as well as end users. This report will also cover regional and country-level analysis, market share estimates, and mergers & acquisitions activity. The Global Applications of Planetary Gearbox Market report includes a detailed analysis of the key players in the market.
The most common application of a planetary gearbox is in the automobile industry, where it is used to distribute power between two wheels in a vehicle’s drive axle. In a four-wheel-drive car, this system is augmented by a centre differential. In hybrid electric vehicles, a summation gearbox combines the combustion engine with an electric motor, creating a hybrid vehicle that uses one single transmission system.
In the Global Industrial Planetary Gearbox Market, customer-specific planetary gears are commonly used for automated guided vehicles, intra-logistics, and agricultural technology. These gears allow for compact designs, even in tight spaces. A three-stage planetary gear can reach 300 Nm and support radial loads of 12 kN. For receiver systems, positioning accuracy is critical. A two-stage planetary gearbox was developed by CZPT. Its internal gear tension reduces torsional backlash, and manual controls are often used for high-quality signals.
The number of planetary gears is not fixed, but in industrial applications, the number of planetary gears is at least three. The more planetary gears a gearbox contains, the more torque it can transmit. Moreover, the multiple planetary gears mesh simultaneously during operation, which results in high efficiency and transmittable torque. There are many other advantages of a planetary gearbox, including reduced maintenance and high speed.

China wholesaler 170 CV - 125 Kw 1: 1.53 1 3/8 Z6 Pto Increasor Agricultural Gearbox with Overrunning Clutch (2155+RL)   small planetary gearboxChina wholesaler 170 CV - 125 Kw 1: 1.53 1 3/8 Z6 Pto Increasor Agricultural Gearbox with Overrunning Clutch (2155+RL)   small planetary gearbox
editor by Dream 2024-05-06

China Good quality 12V DC High Torque Small Planet Transmission Motor Gearbox cyclo planetary gearbox

Product Description

12V DC High Torque Small Planet Transmission Motor Gearbox

Product Description

Can be customized

12V  planetary gearbox
Rated torque: 18rpm
Rated power: 7W or Customize

Model Application Parameters Rated Torque of Gear Box Instant Torque of Gear Box Gear Ratio Gear Box Length
Rated At No Load At Rated Load Overall Length
Voltage Speed Current Speed Current Torque
VDC rpm mA rpm mA gf.cm mN.m mm gf.cm gf.cm mm
ZWBMD032032-67 12.0 80 270 72 715 3392 333 91.6 65000 250000 67 49.1
ZWBMD032032-94 12.0 57 270 52 715 4759 467 65000 250000 94
ZWBMD032032-133 12.0 41 270 36 715 6733 660 65000 250000 133
ZWBMD032032-188 12.0 29 270 26 715 9518 933 60000 200000 188
ZWBMD032032-272 12.0 20 300 18 720 10328 1013 101.6 80000 300000 272 59.1
ZWBMD032032-383 12.0 14 300 13 720 14542 1426 80000 300000 383
ZWBMD032032-540 12.0 10 300 9 720 20503 2011 80000 300000 540
ZWBMD032032-763 12.0 7 300 6 720 28970 2841 80000 300000 763
ZWBMD032032-1076 12.0 5 300 5 720 4 0571 4007 70000 250000 1076

above specifications just for reference and customizable according to requirements.

Driver modules can be integrated

Please let us know your requirements and we will provide you with micro transmission solutions.

2D Drawing

Product details show



Smart wearable devices   watch,VR,AR,XR and etc.
Household application kitchen appliances, sewing machines, corn popper, vacuum cleaner, garden tool, sanitary ware, window curtain, intelligent closestool, sweeping robot, power seat, standing desk, electric sofa, TV, computer, treadmill, spyhole, cooker hood, electric drawer, electric mosquito net, intelligent cupboard, intelligent wardrobe, automatic soap dispenser, UV baby bottle sterilizer, lifting hot pot cookware, dishwasher, washing machine, food breaking machine, dryer, air conditioning, dustbin, coffee machine, whisk,smart lock,bread maker,Window cleaning robot and etc.
communication equipment 5G base station,video conference,mobile phone and etc.
Office automation equipments   scanners, printers, multifunction machines copy machines, fax (FAX paper cutter), computer peripheral, bank machine,  screen, lifting socket,  display,notebook PC and etc.
Automotive products  conditioning damper actuator, car DVD,door lock actuator, retractable rearview mirror, meters, optic axis control device, head light beam level adjuster, car water pump, car antenna, lumbar support, EPB, car tail gate electric putter, HUD, head-up display, vehicle sunroof, EPS, AGS, car window, head restraint, E-booster, car seat, vehicle charging station and etc.
Toys and models  radio control model, automatic cruise control, ride-on toy, educational robot, programming robot, medical robot, automatic feeder, intelligent building blocks, escort robot and etc.
Medical equipments  blood pressure meter, breath machine, medical cleaning pump, medical bed, blood pressure monitors, medical ventilator, surgical staplers, infusion pump, dental instrument, self-clotting cutter, wound cleaning pump for orthopedic surgery,electronic cigarette, eyebrow pencil,fascia gun, , surgical robot,laboratory automation and etc.
Industrials   flow control valves, seismic testing,automatic reclosing,Agricultural unmanned aerial vehicle,automatic feeder ,intelligent express cabinet and etc.
Electric power tools  electric drill, screwdriver,garden tool and etc.
Precision instruments  optics instruments,automatic vending machine, wire-stripping machine and etc.
Personal care tooth brush, hair clipper, electric shaver, massager, vibrator, hair dryer, rubdown machine, scissor hair machine, foot grinder,anti-myopia pen, facial beauty equipment, hair curler,Electric threading knife,POWER PERFECT PORE, Puff machine,eyebrow tweezers and etc.
Consumer electronics camera, mobile phone,digital camera, automatic retracting device,camcorder,  kinescope DVD,headphone stereo, cassette tape recorder, bluetooth earbud charging case, turntable, tablet,UAV(unmanned aerial vehicle),surveillance camera,PTZ camera, rotating smart speaker and etc.
robots educational robot, programming robot, medical robot, escort robot and etc.

Company Profile

HangZhou CZPT Machinery & Electronics Co., Ltd was established in 2001,We provide the total drive solution for customers from design, tooling fabrication, components manufacturing and assembly. 


Testing Equipment

1) Competitive Advantages

  • 1) Competitive Advantages
    19+year experience in manufacturing motor gearbox
    We provide technical support from r&d, prototype, testing, assembly and serial production , ODM &OEM
    Competitive Price
    Product Performance: Low noise, High efficiency, Long lifespan
    Prompt Delivery: 15 working days after payment
    Small Orders Accepted

 2) Main Products

  • Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,power: 0.01-40W,output speed:5-2000rpm and output torque:1.0 gf.cm -50kgf.cm,

  • Customized worm and gear transmission machinery;
  • Precise electromechanical motion module;
  • Precise component and assembly of plastic and metal powder injection.

Our Services

  • ODM & OEM
  • Gearbox design and development
  • Related technology support
  • Micro drive gearbox custom solution

Packaging & Shipping

1) Packing Details

packed in nylon firstly, then carton, and then reinforced with wooden case for outer packing.
Or according to client’s requirement.

2) Shipping Details

samples will be shipped within 10 days;
batch order leading time according to the actual situation.



We Have passed to hold ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).

and more…



1. Can you make the gearbox with custom specifications?
YES. We have design and development team, also a great term of engineers, each of them have
many work years experience.

2.Do you provide the samples?
YES. Our company can provide the samples to you, and the delivery time is about 5-15days according to the specification of gearbox you need.

3.What is your MOQ?
Our MOQ is 2000pcs. But at the beginning of our business, we accept small order.

4. Do you have the item in stock?
I am sorry we donot have the item in stock, All products are made with orders.

5. Do you provide technology support?
YES. Our company have design and development team, we can provide technology support if you

6.How to ship to us?
We will ship the goods to you according to the DHL or UPS or FEDEX etc account you provide. 

7.How to pay the money?
We accept T/T in advance. Also we have different bank account for receiving money, like US dollors or RMB etc.

8. How can I know the product is suitable for me?
Frist, you need to provide us the more details information about the product. We will recommend the item to you according to your requirement of specification. After you confirm, we will prepare the samples to you. also we will offer some good advances according to your product use.

9. Can I come to your company to visit?
YES, you can come to our company to visit at anytime, and welcome to visit our company.

10. How do contact us ?
Please send an inquiry

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Toy, Car
Function: Change Drive Torque, Speed Reduction
Layout: Customize
Hardness: Hardened Tooth Surface
Installation: Customize
Step: Customize
US$ 90/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


Planetary Gearbox Advantages and Disadvantages

A planetary gearbox is a type of mechanical drive with a single output shaft. They are suitable for both clockwise and counterclockwise rotations, have less inertia, and operate at higher speeds. Here are some advantages and disadvantages of this type of gearbox. Let us see what these advantages are and why you should use them in your applications. Listed below are some of the benefits of planetary gearboxes.

Suitable for counterclockwise and clockwise rotation

If you want to teach children about the clock hands, you can buy some resources for counterclockwise and asymmetrical rotation. These resources include worksheets for identifying degrees of rotation, writing rules for rotation, and visual processing. You can also use these resources to teach angles. For example, the translation of shapes activity pack helps children learn about the rotation of geometric shapes. Similarly, the visual perception activity sheet helps children understand how to process information visually.
Various studies have been done to understand the anatomical substrate of rotations. In a recent study, CZPT et al. compared the position of the transitional zone electrocardiographically and anatomically. The authors found that the transitional zone was normal in nine of 33 subjects, indicating that rotation is not a sign of disease. Similarly, a counterclockwise rotation may be caused by a genetic or environmental factor.
The core tip data should be designed to work in both clockwise and counterclockwise rotation. Counterclockwise rotation requires a different starting point than a clockwise rotation. In North America, star-delta starting is used. In both cases, the figure is rotated about its point. Counterclockwise rotation, on the other hand, is done in the opposite direction. In addition, it is possible to create counterclockwise rotation using the same gimbal.
Despite its name, both clockwise and counterclockwise rotation requires a certain amount of force to rotate. When rotating clockwise, the object faces upwards. Counterclockwise rotation, on the other hand, starts from the top position and heads to the right. If rotating in the opposite direction, the object turns counterclockwise, and vice versa. The clockwise movement, in contrast, is the reverse of counterclockwise rotation.

Has less inertia

The primary difference between a planetary gearbox and a normal pinion-and-gear reducer is the ratio. A planetary gearbox will produce less inertia, which is an important advantage because it will reduce torque and energy requirements. The ratio of the planetary gearbox to its fixed axis counterpart is a factor of three. A planetary gearbox has smaller gears than a conventional planetary, so its inertia is proportional to the number of planets.
Planetary gears are less inertia than spur gears, and they share the load across multiple gear teeth. This means that they will have low backlash, and this is essential for applications with high start-stop cycles and frequent rotational direction changes. Another benefit is the high stiffness. A planetary gearbox will have less backlash than a spur gearbox, which means that it will be more reliable.
A planetary gearbox can use either spur or helical gears. The former provides higher torque ratings while the latter has less noise and stiffness. Both types of gears are useful in motorsports, aerospace, truck transmissions, and power generation units. They require more assembly time than a conventional parallel shaft gear, but the PD series is the more efficient alternative. PD series planetary gears are suitable for many applications, including servo and robotics.
In contrast, a planetary gear set can have varying input speed. This can affect the frequency response of the gearset. A mathematical model of the two-stage planetary gears has non-stationary effects and correlates with experimental findings. Fig. 6.3 shows an addendum. The dedendum’s minimum value is approximately 1.25m. When the dedendum is at its smallest, the dedendum has less inertia.

Offers greater reliability

The Planetary Gearbox is a better option for driving a vehicle than a standard spur gearbox. A planetary gearbox is less expensive, and they have better backlash, higher load capacity, and greater shock loads. Unlike spur gearboxes, however, mechanical noise is virtually nonexistent. This makes them more reliable in high-shock situations, as well as in a wide range of applications.
The Economy Series has the same power density and torque capacity of the Precision Helical Series, but it lacks the precision of the latter. In contrast, Economy Series planetary gearboxes feature straight spur planetary gearing, and they are used in applications requiring high torque. Both types of gearboxes are compatible with NEMA servo motors. If torque density is important, a planetary gearbox is the best choice.
The Dispersion of External Load: The SSI model has been extensively used to model the reliability of planetary gear systems. This model takes the contact force and fatigue strength of the system as generalized stress and strength. It also provides a theoretical framework to evaluate the reliability of planetary gear systems. It also has many other advantages that make it the preferred choice for high-stress applications. The Planetary Gearbox offers greater reliability and efficiency than traditional rack and pinion gear systems.
Planetary gearing has greater reliability and compact design. Its compact design allows for wider applications with concerns about space and weight. Additionally, the increased torque and reduction makes planetary gearboxes an excellent choice for a wide variety of applications. There are three major types of planetary gearboxes, each with its own advantages. This article describes a few of them. Once you understand their workings, you will be able to choose the best planetary gearbox for your needs.

Has higher operating speeds

When you look at planetary gearboxes, you might be confused about which one to choose. The primary issue is the application of the gearbox. You must also decide on secondary factors like noise level, corrosion resistance, construction, price, and availability worldwide. Some constructors work faster than others and deliver the gearboxes on the same day. However, the latter ones often deliver the planetary gearbox out of stock.
Compared to conventional gearboxes, a planetary gearbox can run at higher speeds when the input speed fluctuates. However, these gears are not very efficient in high-speed applications because of their increased noise levels. This makes planetary gears unsuitable for applications involving a great deal of noise. That is why most planetary gears are used in small-scale applications. There are some exceptions, but in general, a planetary gearbox is better suited for applications with higher operating speeds.
The basic planetary gearbox is a compact alternative to normal pinion-and-gear reducers. They can be used in a wide variety of applications where space and weight are concerns. Its efficiency is also higher, delivering 97% of the power input. It comes in three different types based on the performance. A planetary gearbox can also be classified as a worm gear, a spur gear, or a sprocket.
A planetary gearhead has a high-precision design and can generate substantial torque for their size. It also reduces backlash to two arc-min. Additionally, it is lubricated for life, which means no maintenance is needed. It can fit into a small machine envelope and has a small footprint. Moreover, the helical crowned gearing provides fast positioning. A sealed gearbox prevents abrasive dust from getting into the planetary gearhead.

Has drawbacks

The design of a planetary gearbox is compact and enables high torque and load capability in a small space. This gear arrangement also reduces the possibility of wear and tear. Planet gears are arranged in a planetary fashion, allowing gears to shift under load and a uniform distribution of torque. However, some disadvantages of planetary gears must be considered before investing in this gearbox.
While the planetary gearbox is a high precision motion-control device, its design and maintenance requirements are a concern. The bearing load is high, requiring frequent lubrication. Also, they are inaccessible. Despite these drawbacks, planetary gearboxes are suitable for a variety of tasks. They also have low backlash and high torsional stiffness, making them excellent choices for many applications.
As a result, the speed of a planetary gearbox varies with load and speed. At lower ratios, the sun gear becomes too large in relation to the planet gears. As the ratio increases, the sun gear will become too low, reducing torque. The planetary gears also reduce their torque in high-speed environments. Consequently, the ratio is a crucial consideration for planetary gearbox condition monitoring.
Excess drag may result from out-of-tolerance components or excessive lubrication. Drag should be measured both in directions and be within acceptable ranges. Grease and oil lubrication are two common planetary gearbox lubricants, but the choice is largely dependent on your application. While grease lubricates planetary gears well, oil needs maintenance and re-lubrication every few thousand hours.

China Good quality 12V DC High Torque Small Planet Transmission Motor Gearbox   cyclo planetary gearboxChina Good quality 12V DC High Torque Small Planet Transmission Motor Gearbox   cyclo planetary gearbox
editor by CX 2024-04-03

China supplier The Manipulator Grasps The Planetary Reduction Gear Box/ Planetary Gearbox small planetary gearbox

Product Description


Why should servo motor be equipped with planetary reducer?

The function of servo motor Bai is to carry out servo, that is to precisely set Du position. The reducer adjusts the output speed and torque of the motor to meet the requirements. Because Shu is the speed output of the motor is usually constant (only a few gears), but the actual required speed varies greatly, so it is necessary to use the reducer to adjust to the required speed range. When the load of servo motor is very large, blindly improving the power of servo motor has met the required torque, which will cause cost waste. Therefore, it is reasonable to select a suitable servo reducer in the required speed range. The function of servo reducer itself is to slow down the speed and increase the output torque. Generally speaking, the speed of servo motor can not meet the requirements of low speed and large torque of working load. It can be described in a popular word: servo motor and reducer are twin. Please contact us for more details.

Industry-specific attributes

Gearing Arrangement



Output Torque



Input Speed

based on motor


Output Speed

based on ratio


Other attributes

Applicable Industries

Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops


Weight (KG)



Place of Origin

ZheJiang , China


Brand Name




Textile, Food Processing Machine, CNC, AGV, Robotic Industry


Mounting Position

Any direction


Gearbox Size

42 ~ 220mm



Silver blue



3 ~ 100



One year after the day of ex-factory



Wooden box or carton


Input Form

IEC Flange






Bearing + Gear + Box


Packaging and delivery





Supply Ability

10000 Piece/Pieces per Month

Lead time

Quantity (sets) 1 – 10 > 10
Lead time (days) 12 To be negotiated

Application: Motor, Electric Cars, Motorcycle, Machinery, Toy, Agricultural Machinery, Car, Welding, Load, Forging
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Single-Step


Customized Request


Benefits of a Planetary Gearbox With Output Shaft

The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.

Planetary gearboxes

Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!

Planetary gears

A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.

Planetary gearboxes with output shaft

For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.

Planetary gearboxes with carrier

A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.

Planetary gearboxes with traction

Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.

Planetary gearboxes with electric motors

If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.

Planetary gearboxes with hydraulic motors

A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.

Planetary gearboxes with combustion engines

There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.

China supplier The Manipulator Grasps The Planetary Reduction Gear Box/ Planetary Gearbox   small planetary gearboxChina supplier The Manipulator Grasps The Planetary Reduction Gear Box/ Planetary Gearbox   small planetary gearbox
editor by CX 2023-11-24

China 12mm diameter Plastic Metal Shaft Small planetary gearbox with 3V DC motor Plastic Gear Micro Planetary Gear Motor planetary gearbox disassembly

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The Basics of a Planetary Gearbox

The basic model of a planetary gearbox is a highly efficient transmission that transmits nearly ninety percent of the power it receives. The basic planetary gearbox comes in three basic types: Inline, Helical, and Spur. Below, we will discuss the differences between each of them and which one is better for your needs. A planetary gearbox is an important part of any engine and may be the perfect choice for your vehicle.

Inline planetary gearbox

An inline planetary gearbox has an inline arrangement of gears that enables the transfer of power. Its design makes it stable and reliable, and the space and weight-saving benefits make it a popular choice for many applications. Planetary gearboxes have low inertia, high torque, and a wide range of reduction ratios, which make them a versatile choice for many industries. To find out more about this type of gearbox, read about its construction and specifications.
A planetary gearbox is composed of two parts: a sun gear (also called the central or input gear), and two planet gears (also called outer gears). These gears are connected to each other via a carrier. In order to get the best performance from your gearbox, it’s important to find a model with the features and benefits required for your application. Also, be sure to check out the delivery time, global availability, and customer service of your selected constructor. A few constructors are faster than others and have the ability to respond quickly, while others can deliver every single planetary gearbox out of stock.
Whether you’re using an inline planetary gearbox for your car’s transmission, or you’re building a new machine, it’s important to choose the right size for your application. The most common ratio is five:1, but an inline gearbox can be as high as 1000:1! The torque range is between 250-950 lb-in for continuous torque, and up to 5800 lb-in for yield torque. Some companies even offer custom shafts if you need them to fit a specific application.
Inline planetary gearboxes have a high ratio of helical rotation and are useful for applications where space is limited. Their low-backlash design allows them to handle high torques and high accelerations without backlash. Despite their compact size, planetary gear systems also have high single-stage reduction ratios, a feature that makes them ideal for a variety of industrial applications. They can also be connected for high reduction ratios.
An inline planetary gearbox can be used in many applications, from small tools to heavy industrial machinery. Its basic design includes three components: an input gear pair, an output gear pair, and a stationary position. Some planetary gearbox designs also include additional gear sets that can provide a slight offset between input and output. A planetary gearbox may also contain multiple bearings, which make the assembly more robust and reliable.
Inline planetary gear reducers are commonly used in industrial settings to slow down an electric motor. They are able to multiply torque, which means they can reduce the input speed to a level where the mechanical devices inside the motor can function properly. This type of gear reducer also has a low clearance, which makes it ideal for machines with high torque. However, you should consider the amount of torque required in your application before you make a purchase.

Helical planetary gearbox

A helical planetary gearbox is a type of mechanical system. The gears are connected by joints to the carrier that holds the planets stationary. The sun gear serves as an input to the other gears, and the planet gears rotate at a rate that depends on the number of teeth in each gear. The ratio between these gears is -Ns/Np, and the number of teeth in the ring is N r, N s, and N p.
Another type of planetary gearbox uses multiple helical axes to distribute the load. This design also offers high stiffness and low backlash, which is important for applications involving frequent start-stop cycles and rotational direction changes. It also features a compact design and low mass inertia. A helical planetary gearbox can be used for a wide range of applications. Listed below are some of the benefits of helical gear technology.
The basic design of a helical planetary gear is based on the principle of stepping planets. This concept eliminates the need for timing marks and restrictive assembly conditions. The planetary gear’s helical shape can be modified to achieve a greater transmission ratio in an equal or smaller volume. For example, a 50-T ring gear will yield the same effect as a 100-T ring gear.
In addition to the helical axis, a helical planetary gearbox also has a wide variety of secondary features that are critical to torque transmission. For instance, compact needle roller bearings are appropriate for a helical planetary gearbox because of their low-profile design and small space. However, a tapered roller bearing is better suited to handling high axial forces. In general, a helical planetary gearbox will have a higher efficiency rate and lower noise levels.
A helical planetary gearbox will have a number of components that can vary in size and shape. They will include a sun gear and many planetary parts. The central sun gear will take a low-torque input and will run multiple external gears to increase the torque and speed. This basic model of a planetary gearbox is highly efficient, transferring 97% of the power input. There are three main types of planetary gearboxes: the cylindrical planetary gearbox, the helical planetary gearbox, and the helical wormwheel.
The CZPT is a good example of an entry-level helical planetary gearbox. It is extremely reliable and aimed at providing torque in quiet applications with high precision. The Access series is another option, which is designed to meet the needs of the low-backlash planetary gearbox market. It features helical planetary gears with five to eight arc-minutes backlash, and is built on a monobloc housing.
A helical planetary gearbox is widely used in 3D printing. They are lightweight and can provide a high gear ratio. In addition to their low weight and high efficiency, some people have installed them into 3D printers to improve the accuracy of their designs. And in addition to 3D printing, helical gears are used in many industrial applications. If you’re thinking about purchasing one, you should know what the benefits are.

Spur planetary gearbox

There are many advantages to a spur planetary gearbox, from its compact design and low cost to its unmatched power transmission capacity per unit volume. Planetary gears have high efficiency per stage and can achieve up to 95% efficiency, depending on the ratio. Planet gears are mounted on a joint carrier, and the output rotation speed is slower than the drive rotation speed, which leads to increased torque. The higher the gear wheels, the more torque the unit can produce.
A spur planetary gearbox incorporates multiple other gear sets that must have helical teeth. These other gear sets must be helical, and the motor must be aligned with the driven parts. The spur gears are the most efficient type of planetary gear, as their teeth are symmetrical, which means no axial forces are generated. The difference between a spur and a planetary gearbox is its shape.
The right angle spur planetary gearbox is a versatile design with a spiral bevel gear that provides superior smoothness and quiet operation. This gearhead is case-hardened and ground to increase its efficiency. These gears can be purchased in 3-100 ratios. Spur planetary gearboxes can also have ISO rotary flanges, keyed shafts, DIN splines, or hollow compression connections.
A spur planetary gearbox utilizes spur gears around the circumference of the mechanism. The spur gears rotate between gears that have internal and external teeth. Because of this, the angular velocity of the spur gear differential carrier is the average of the ring gears and sun gears. A spur gearbox can also be considered a compound planetary gear. It is typically used for servo applications. Unlike spur gears, helical planetary gears are easier to maintain and have lower noise levels.
The most notable difference between a spur planetary gearbox and a planetary gearhead is the lubrication of the pinion and the spur gear head. A spur gear head is less complex, but cannot handle the same amount of load as a planetary gearhead. Both types can achieve the same backlash, but a planetary gearhead has better lubrication retention than a spur gear. It can run at higher speeds without excessive lubrication, while a spur gear drive is more efficient at low speeds. The reduction ratio of a planetary gearhead is near unity while that of a planetary gear head is many thousand to one.
A planetary gearbox has many applications. Plastic machinery, goods & personnel lifts, and machine tools are all prime examples of these types of gearing systems. Other industries that use these gears include wind turbines and sugar crystallizers, as well as steel and sugar mills. And of course, the use of planetary gears is not limited to these industries. It is used in many different ways, including slewing drives, mill drive, and derrick & dockyard cranes

China 12mm diameter Plastic Metal Shaft Small planetary gearbox with 3V DC motor Plastic Gear Micro Planetary Gear Motor     planetary gearbox disassemblyChina 12mm diameter Plastic Metal Shaft Small planetary gearbox with 3V DC motor Plastic Gear Micro Planetary Gear Motor     planetary gearbox disassembly
editor by CX 2023-07-03

China factory CZPT Pab Series Small Planetary Gearbox for Stepper Motor small planetary gearbox

Product Description

Product Description

AOKMAN PAB Series Small Planetary Gearbox for Stepper Motor


1.AOKMAN high percision planetary gearboxes including a full series of inline(linear) and right angle precision planetary gearboxes
2. High precision, high dynamic, low backlash
3. Up to 3 optional backlash: Ultra Precision Backlash, High Precision Backlash, Standard Backlash
4. Superior performance for precision industrial automation and servo applications

Detailed Photos

1. Gearbox Housing & Flange: Aluminum-alloy Die Casting ADC12
2. Gear set: Precision Planetary Gear Set
Ring Gears: 40Cr
Planetary Gears: 20CrMnTi, Surface Hardness HRC58~62, Inner Hardness HRC33~40
3. Input Configurations: Keyed Hollow Shaft with Motor Adaptor
4. Output Configurations: Keyed CZPT Shaft Output
keyless Solid Shaft Output
5. Applicable Motors:
Servo Motors, Stepper Motors

Product Parameters


series Stage Models Ratio Rated Torque Rated input Speed Max input Speed Backlash Efficiency
PPG(Linear) 1 PPG040 3,4,5,7,8,10 9N.m~423N.m 25,003,000,360,040,000,000 3600 ≤10 arcmin ≥97%
PPG060 4800
PPG080 6000
PPG120 8000
2 PPG040 12,15,20,25,30,35,40,50,70,100 9N.m~423N.m 25,003,000,360,040,000,000 3600, ≤15 arcmin ≥94%
PPG060 4800
PPG080 6000
PPG120 8000

Packaging & Shipping

Company Profile

Our Advantages


1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
 2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
 3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,escalator,automatic storage equipment,metallurgy,environmental protection, logistics and etc.
 4. Do you sell motors?
Yes,We produce different types of motors.We can provide motors with high quality.


Application: Motor, Machinery
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Type: Planetary Gear Box


Customized Request


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 CZPT Pab Series Small Planetary Gearbox for Stepper Motor   small planetary gearboxChina factory CZPT Pab Series Small Planetary Gearbox for Stepper Motor   small planetary gearbox
editor by CX 2023-05-19

China high quality Custom High Torque Planetary Gearbox 6mm 12mm 24mm 32mm Power Transmission Speed Reducer for Car Marine Engine Motors Robot Small Gears planetary gearbox components

Product Description

Our main products, steel gearboxes ,gear systems for motors through powder metallurgy processing.

In a simple planetary gearbox setup, input power turns the sun gear at high speed. The planets, spaced around the central axis of rotation, mesh with the sun as well as the fixed ring gear, so they are forced to orbit as they roll. All the planets are mounted to a single rotating member, called carrier. As the planet carrier turns, it delivers low-speed, high-torque output. The Sun Gear Gets The Input While The 3 Planet Gears Provide The Ouput Via A Planet Carrier .

Gearbox ratio 3 :1 to 1000:1 .
We specialize in designing and manufacturing highly engineered, custom gear parts , gearbox , components and assemblies. Our professional staff are geared towards providing customers with high quality products and excellent service .

Customized metal parts specification


Product type  Custom metal gearbox ,OEM planetary gear system ,  speed reducer , motor gears , custom motor gearbox , speed transmission , sintered gears , gearbox manufacturer 
Material metal
Process Powder metallurgy , metal injection molding , cnc machining 
Treatment plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing format DWG ,IGS , STP
Delivery time  10 days for mass production 

Our gearbox,Light weight,small size, high carrying capacity, long service life .Smooth operation, low noise, large output torque, large speed ratio, high efficiency, power diversion, and multi-tooth meshing by powder metallurgy process . 

Powder metallurgy (PM) is a metal parts / components fabrication way and made from metal powders material . The process of powder metallurgy (PM) is blending fine powder materials , press them into a desired shape or form compacting , and heating the compressed material in a controlled atmosphere to CZPT the material sintering .PM process can avoid , or greatly reduce the need to use metal removal processes,thereby drastically reducing yield losses in manufacture and oftern resulting in lower costs .
The powder metallurgy (PM) consist 3 steps : powder blending,compaction and sintering .Common products include gears , structural metal parts , bushings used for automobiles , appliances and powder equipments .
Advantages of powder metallurgy
Products made by powder metallurgy (PM) generally do not need further finishing , because produces good surface finish.
Maintains close dimensional tolerances
Provides materials which may be heat treated for increased strength or enhanced wear resistance .
There is less wastage of raw material , can be very economical for mass production .
Complex shapes parts can be made . Provides controlled porosity for self-lubrication or filtration.
Suits to high volume parts productions requirements .

Custom metal parts


Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Oscillating Base Type
Step: Four-Step
US$ 6/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


A Brief Overview of the Spur Gear and the Helical Planetary Gearbox

This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are three examples. Each has its benefits and drawbacks. Let’s explore each one.

helical planetary gearbox

In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses three components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are three main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the two types of planetary gears can be found in the design of the two outer rings. The outer ring is also called the sun gear. The two gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has two pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.

Spur gear planetary gearbox

The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the two types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete five revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or five mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least three driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.

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