China Best Sales P series heavy duty planetary gear reducer gearbox with high quality

Gearing Arrangement: Planetary
Output Torque: 2.6 ~ 12000 KN.m
Rated Power: 22 ~ 3000 KW
Input Speed: 1-3000RPM
Output Speed: 0.1-3000RPM
Model Number: P
Name: P series heavy duty planetary gear reducer gearbox
Color: blue
Precision: High
Application: Servo Motors & Stepper motor
Backlash: 3-10arcmin
Efficiency: 95%
Protection Class: IP65
Noise Level: dB62
Ratio: 25 to 4000 basic
Included: Single stage & Double stage
Packaging Details: P series planetary reducer gearbox Seaworthy wooden case packaging
Port: ZheJiang

Planetary speed reducer
Planetary gear
spur gear reducer
mini gear reducer
P series heavy duty planetary gear reducer gearbox

Product Overview:

P series planetary gear reducer is widely used in metallurgy , mining, lifting and transport , electricity, energy , building materials, light industry, transportation and other industrial sectors.

2, P series planetary gear involute planetary gear transmission , within a reasonable use, external gear , power split .

3, the planetary gear modular design changes can be combined according to customer requirements.

4, carburized gears are used to obtain high- hard wear-resistant surface , all the heat treatment after grinding gear teeth , reduce noise , agricultural equipment tractor rotavator rotary tiller cultivator improve the overall efficiency and service life.

5, light quality gear reducer , small transmission ratio range , high efficiency, smooth operation, low noise adaptability and other characteristics .


1 , input: concentric shaft input , the helical gear input , bevel – helical gear input, bevel gear input.

2 , output: the splined inner, hollow shaft shrink disc, splined outer, solid shaft flat key .

3, the planetary gear involute planetary gear transmission, within a reasonable use of external gear, Widely Used Superior Quality AC Asynchronous Electric Motor with 1.5KW 2HP power split. Therefore, light weight, small size, transmission ratio range, high efficiency, smooth operation, low noise, strong adaptability and other characteristics.

4 , box with ductile iron, greatly improving cabinet rigidity and shock resistance.

5 , modular design , according to customer requirements to change the combination types .

6 , the installation forms : horizontal and vertical installation, torque arm mounting .

7 , combined with R series , K series to get greater ratio .

Technical parameters:

Ratio range: 25 to 4000 basic

Torque range : 2.6 ~ 900 kNm

Power range : 22 ~ 1920 kW

The basic model:

Form : P2NA .. P2LA .. P2SA .. P2KA .. P3NA .. P3SA .. P3KA ..

Frame : 9 to 34

P2O011 P2O571 P2O031 P2O041 P2O051 P2O061 P2O071 P2O081 P2O091 P2O101 P2O111 P2O121 P2O131 P2O141 P2O151 P2S011 P2S571 P2S031 P2S041 P2S051 P2S061 P2S071 P2S081 P2S091 P2S101 P2S111 P2S121 P2S131 P2S141 P2S151 P2K011 P2K571 P2K031 P2K041 P2K051 P2K061 P2K071 P2K081 P2K091 P2K101 P2K111 P2K121 P2K131 P2K141 P2K151

P3O011 P3O571 P3O031 P3O041 P3O051 P3O061 P3O071 P3O081 P3O091 P3O101 P3O111 P3O121 P3O131 P3O141 P3O151 P3S011 P3S571 P3S031 P3S041 P3S051 P3S061 P3S071 P3S081 P3S091 P3S101 P3S111 P3S121 P3S131 P3S141 P3S151 P3K011 P3K571 P3K031 P3K041 P3K051 P3K061 P3K071 P3K081 P3K091 P3K101 P3K111 P3K121 P3K131 P3K141 P3K151

P4O011 P4O571 P4O031 P4O041 P4O051 P4O061 P4O071 P4O081 P4O091 P4O101 P4O111 P4O121 P4O131 P4O141 P4O151 P4S011 P4S571 P4S031 P4S041 P4S051 P4S061 P4S071 P4S081 P4S091 P4S101 P4S111 P4S121 P4S131 P4S141 P4S151 P4K011 P4K571 P4K031 P4K041 P4K051 P4K061 P4K071 P4K081 P4K091 P4K101 P4K111 P4K121 P4K131 P4K141 P4K151

How to Select a Gearbox

When you drive your vehicle, the gearbox provides you with traction and speed. The lower gear provides the most traction, while the higher gear has the most speed. Selecting the right gear for your driving conditions will help you maximize both. The right gearing will vary based on road conditions, load, and speed. Short gearing will accelerate you more quickly, while tall gearing will increase top speed. However, you should understand how to use the gearbox before driving.


The function of the gearbox is to transmit rotational energy to the machine’s drive train. The ratio between input and output torque is the ratio of the torque to the speed of rotation. Gearboxes have many different functions. A gearbox may have multiple functions or one function that is used to drive several other machines. If one gear is not turning, the other will be able to turn the gearbox. This is where the gearbox gets its name.
The pitch-controlled system has an equal number of failure modes as the electrical system, accounting for a large proportion of the longest machine downtime and halt time. The relationship between mechanisms and faults is not easily modeled mathematically. Failure modes of gearboxes are shown in Fig. 3. A gearbox’s true service life is six to eight years. However, a gearbox’s fault detection process must be developed as mature technology is required to reduce the downtime and avoid catastrophic incidents.
A gearbox is a vital piece of machinery. It processes energy produced by an engine to move the machine’s parts. A gearbox’s efficiency depends on how efficiently it transfers energy. The higher the ratio, the more torque is transferred to the wheels. It is a common component of bicycles, cars, and a variety of other devices. Its four major functions include:
In addition to ensuring gearbox reliability, a gearbox’s maintainability should be evaluated in the design phase. Maintainability considerations should be integrated into the gearbox design, such as the type of spare parts available. An appropriate maintenance regime will also determine how often to replace or repair specific parts. A proper maintenance procedure will also ensure that the gearbox is accessible. Whether it is easy to access or difficult to reach, accessibility is essential.


A car’s transmission connects the engine to the wheels, allowing a higher-speed crankshaft to provide leverage. High-torque engines are necessary for the vehicle’s starting, acceleration, and meeting road resistance. The gearbox reduces the engine’s speed and provides torque variations at the wheels. The transmission also provides reversing power, making it possible to move the vehicle backwards and forwards.
Gears transmit power from one shaft to another. The size of the gears and number of teeth determine the amount of torque the unit can transmit. A higher gear ratio means more torque, but slower speed. The gearbox’s lever moves the engaging part on the shaft. The lever also slides the gears and synchronizers into place. If the lever slips to the left or right, the engine operates in second gear.
Gearboxes need to be closely monitored to reduce the likelihood of premature failure. Various tests are available to detect defective gear teeth and increase machine reliability. Figure 1.11(a) and (b) show a gearbox with 18 teeth and a 1.5:1 transmission ratio. The input shaft is connected to a sheave and drives a “V” belt. This transmission ratio allows the gearbox to reduce the speed of the motor, while increasing torque and reducing output speed.
When it comes to speed reduction, gear box is the most common method for reducing motor torque. The torque output is directly proportional to the volume of the motor. A small gearbox, for example, can produce as much torque as a large motor with the same output speed. The same holds true for the reverse. There are hybrid drives and in-line gearboxes. Regardless of the type, knowing about the functions of a gearbox will make it easier to choose the right one for your specific application.


When selecting a gearbox, the service factor must be considered. Service factor is the difference between the actual capacity of the gearbox and the value required by the application. Additional requirements for the gearbox may result in premature seal wear or overheating. The service factor should be as low as possible, as it could be the difference between the lifetime of the gearbox and its failure. In some cases, a gearbox’s service factor can be as high as 1.4, which is sufficient for most industrial applications.
China dominates the renewable energy industry, with the largest installed capacity of 1000 gigawatts and more than 2000 terawatt hours of electricity generated each year. The growth in these sectors is expected to increase the demand for gearboxes. For example, in China, wind and hydropower energy production are the major components of wind and solar power plants. The increased installation capacity indicates increased use of gearboxes for these industries. A gearbox that is not suitable for its application will not be functional, which may be detrimental to the production of products in the country.
A gearbox can be mounted in one of four different positions. The first three positions are concentric, parallel, or right angle, and the fourth position is shaft mount. A shaft mount gearbox is typically used in applications where the motor can’t be mounted via a foot. These positions are discussed in more detail below. Choosing the correct gearbox is essential in your business, but remember that a well-designed gearbox will help your bottom line.
The service factor of a gearbox is dependent on the type of load. A high shock load, for example, can cause premature failure of the gear teeth or shaft bearings. In such cases, a higher service factor is required. In other cases, a gearbox that is designed for high shock loads can withstand such loads without deteriorating its performance. Moreover, it will also reduce the cost of maintaining the gearbox over time.


When choosing the material for your gearbox, you must balance the strength, durability, and cost of the design. This article will discuss the different types of materials and their respective applications and power transmission calculations. A variety of alloys are available, each of which offers its own advantages, including improved hardness and wear resistance. The following are some of the common alloys used in gears. The advantage of alloys is their competitive pricing. A gear made from one of these materials is usually stronger than its counterparts.
The carbon content of SPCC prevents the material from hardening like SS. However, thin sheets made from SPCC are often used for gears with lower strength. Because of the low carbon content, SPCC’s surface doesn’t harden as quickly as SS gears do, so soft nitriding is needed to provide hardness. However, if you want a gear that won’t rust, then you should consider SS or FCD.
In addition to cars, gearboxes are also used in the aerospace industry. They are used in space travel and are used in airplane engines. In agriculture, they are used in irrigation, pest and insect control machinery, and plowing machines. They are also used in construction equipment like cranes, bulldozers, and tractors. Gearboxes are also used in the food processing industry, including conveyor systems, kilns, and packaging machinery.
The teeth of the gears in your gearbox are important when it comes to performance. A properly meshing gear will allow the gears to achieve peak performance and withstand torque. Gear teeth are like tiny levers, and effective meshing reduces stress and slippage. A stationary parametric analysis will help you determine the quality of meshing throughout the gearing cycle. This method is often the most accurate way to determine whether your gears are meshing well.


The global gear market is divided into five key regions, namely, North America, Europe, Asia Pacific, and Latin America. Among these regions, Asia Pacific is expected to generate the largest GDP, owing to rapidly growing energy demand and investments in industrial infrastructure. This region is also home to some of the largest manufacturing bases, and its continuous building of new buildings and homes will support the industry’s growth. In terms of application, gearboxes are used in construction, agricultural machinery, and transportation.
The Industrial Gearbox market is anticipated to expand during the next several years, driven by the rapid growth of the construction industry and business advancements. However, there are several challenges that hamper the growth of the industry. These include the high cost of operations and maintenance of gear units. This report covers the market size of industrial gearboxes globally, as well as their manufacturing technologies. It also includes manufacturer data for the period of 2020-2024. The report also features a discussion of market drivers and restraints.
Global health crisis and decreasing seaborne commerce have moderately adverse effects on the industry. Falling seaborne commerce has created a barrier to investment. The value of international crude oil is expected to cross USD 0 by April 2020, putting an end to new assets development and exploitation. In such a scenario, the global gearbox market will face many challenges. However, the opportunities are huge. So, the market for industrial gearboxes is expected to grow by more than 6% by 2020, thanks to the increasing number of light vehicles sold in the country.
The main shaft of a gearbox, also known as the output shaft, spins at different speeds and transfers torque to an automobile. The output shaft is splined so that a coupler and gear can be connected to it. The counter shaft and primary shaft are supported by bearings, which reduce friction in the spinning element. Another important part of a gearbox is the gears, which vary in tooth count. The number of teeth determines how much torque a gear can transfer. In addition, the gears can glide in any position.

China Best Sales P series heavy duty planetary gear reducer gearbox  with high qualityChina Best Sales P series heavy duty planetary gear reducer gearbox  with high quality

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