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China Custom CZPT Big Torque 3 Stage P3K Series Right Angle Electric Motor Planetary Gearbox cars with planetary gearbox

Product Description

Product Description

Aokman Big torque 3 Stage P3K Series Right Angle Electric Motor Planetary Gearbox

P Series Planetary Gearbox adopts the involute planetary gear transmission with inner mesh, outer mesh and divided power employed reasonably. So the series has the features of light weight, small volume, high transmission ratio, high efficiency, smooth rotation, low noise and good applicability.
Application:
P Series Planetary Gearbox is widely used in many industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic, etc.

P series planetary gearbox with good prices
1.P Series Planetary Gear Units is designed according to the involute planetary gear transmission with inner mesh,outer mesh and divided power employed reasonably. 

2.P series planetary gear unit has the feature of light weight , small volume, high transmission ratio,  
high efficiency, smooth rotation, low noise and good applicability. 

3.P series is widely used in industries such as metallurgy,  mining,  hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic.

Detailed Photos

 4.Technical Data

Input power Ratio Torque Planetary gear units stage Mounting type
0.4~9551kW 25~4000 Up to 1920000N.m 2 stage
3 stage
Horizontal
Vertical

 
 
5.Basic Information
Gear Arrangement:Helical gear
Mounting Type: Horizontal, Vertical
Types: P2N,P2L,P2S,P2K,P3N,P3S,P3K
 

 6.Features

Features of Planetary gearbox Light weight
Small volume
High transmission ratio
High transmission efficiency
Smooth rotation
Good applicability

P series planetary gearbox with good prices
 
7.Explanation of types
P2N-2-stage planetary gear units:
P2L-Bevel,2-stage planetary gear units:
P2S-Helical,2-stage planetary gear units;
P2K-Bevel-helical,2-stage planetary gear units:
P3N-3-stage planetary gear units;
P3S-Helical,3-stage planetary gear units;
P3K-Bevel-helical,3-stage planetary gear units;
 

Product Parameters

Product description:

Rated Power 0.4KW~9551KW
Rated Torque Up to 1920KN.m
Gear Arrangement Planetary with helical or bevel gearbox
Input Speed 50HZ or 60HZ of 4Pole,6Pole and 8pole motor
Ratio i=25~4000
Installation Form Flange Mounted, Foot Mounted or Torque Arm Mounted

Certifications

 

Packaging & Shipping

Company Profile

Our Advantages

 

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

FAQ

1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more than 1 hundred models and thousands of specifications

2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

Welcome you contact me if you are interested in our product.
Our team will support any need you might have.

Application: Machinery, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Planetary
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Customization:
Available

|

Customized Request

planetarygearbox

Planetary Gearbox Components

The basic components of a planetary gearset are an input, output, and stationary position. Different types of planetary gearboxes will have different output ratios and torques. A leading company for planetary gearbox design, CZPT, provides the necessary components. These components can vary in both male and female shafts and come with a variety of modular options. Here are a few things to consider about each component.

CFHK Series

The CFHK Series is a multistage planetary gearbox that contains multiple planetary gears. The multiple teeth of each planetary gear mesh simultaneously during operation to increase the transmittable torque. The gears are case hardened and ground, and the ratios of the planetary gears are integers. They were first functionally described by Leonardo da Vinci in 1490. Today, the CFHK Series is a favorite among automotive engineers and manufacturers.
The CH Series offers high accuracy with a compact design and case hardened, hypoid, and helical gearing. These gearboxes are also available in the CFXR series, with low backlash and friction. These planetary gearboxes are designed to provide high torque and high precision in a variety of applications. In addition, the CFXR series features 100% helical gearing and low backlash.
The CFHK Series features a sun gear that drives the next stage. These gears can be put in series or serially in the same housing. In some cases, the output shaft of the first stage becomes the input shaft of the second stage. In addition, ring gears are also used as structural parts of smaller gearboxes. An example of a planetary gearbox is the pencil sharpener mechanism. The pencil is placed on an axis that is set on a sun gear. The sun gear drives the next planet stage.
A planetary gear unit’s gear ratio is determined by the number of teeth in the sun gear and ring gear. The smaller the sun gear, the smaller the ratio between the sun gear and planet gears. The largest gear ratio in a planetary gear unit is 10:1. A higher number of teeth increases the transmission ratio. In order to maximize torque, the planetary gears must be rearranged. A smaller sun gear will have higher torque than a large ring gear.

CFX Series

The HPN Harmonic Planetary(r) Series planetary gearboxes offer a low-cost solution with high-performance and high-reliability. This modular design is easy to install and requires very little maintenance. Its planetary design and full complement of needle rollers allow for extended life and quiet operation. In addition, the HPN Harmonic Planetary(r) Series is available in a range of sizes.
The compact size and high-speed design of planetary gearboxes results in excellent heat dissipation. However, high-speed or sustained performance applications may require lubricants. A planetary gearbox will have smaller minimum steps to minimize noise and vibration. Planetary gears will give you the highest level of efficiency while minimizing noise. As a result, they can provide high-quality 3D prints.
A planetary gear train is composed of a ring gear and planet gears, each supported by a carrier. A ring gear is pink, while the sun gear is red. The sun gear and carrier rotate around each other at a 45-degree angle. This is also known as an epicyclic gear. Planetary gearboxes are often found in space-constrained applications. The CFX Series features a compact design and excellent performance.
The CFX Series features a robust design that is easy to install. Its compact size makes installation of planetary gearboxes easier and faster. They are available in three different configurations for continuous, intermittent, and counter-clockwise operation. The CFX Series offers the perfect solution for your accelerating needs. They’re a great solution for any automotive or industrial application. You can easily configure the CFX Series to meet your specific requirements.

CAP Series

The Candy Controls CAP Series is a new generation of compact, precision planetary gearboxes that combine high torques with low backlash and exceptional wear resistance. This rotary flange planetary gearbox is ideal for a variety of industrial, mining and marine applications. Its modular construction enables users to easily mount different stages, hydraulic or electric motors, and different types of gears. Its CPH Series features an extremely rigid alloy steel housing, carburized gears, and induction hardened gears.
The CAP Series utilizes multiple planetary gears for high torque transmission. The number of planetary gears is not fixed, but most planetary gearboxes utilize at least three. The larger the number of planetary gears, the higher the transmittable torque. A planetary gearbox is composed of multiple planetary gears with a meshing action that occurs simultaneously during operation. The result is a higher efficiency and a smoother, quieter operation than a conventional gearbox.
The VersaPlanetary range features modular design for easy installation. This system includes mounting plates for typical FIRST (r) Robotics Competition motors. The mounting plates are designed to fit each motor. These planetary gearboxes are compatible with various types of motors, from small electric motors to large, heavy duty ones. They are also compatible with a variety of mounting systems, including CIM motors.
planetarygearbox

CAPK Series

The CZPT APK Series is a high precision, rotary flange style planetary gearbox. Its case hardened and ground gears are designed to provide excellent wear resistance, low backlash, and excellent precision. The CAPK Series offers high axial and moment load capacities in a compact housing. CZPT is the world leader in the production of planetary gearboxes. The CAPK Series features an array of high-quality, innovative features.
CZPT SMART Lubrication technology is used to keep the gears well-lubricated and reduce noise and vibration. The planetary gearbox’s 3-gear design is ideal for DIY CNC robotics. This series has a long history of quality, and CZPT uses only the best components. The CZPT 3:1 High Precision Planetary Gearbox is an excellent choice for CNC Robotics and other applications.
A multi-stage planetary gearbox combines individual ratios for a greater number of ratios. Additional planetary gears increase the transmittable torque. The direction of the output and drive shaft are always identical. The CAPK Series features a high-quality, durable construction. They are made from stainless steel and offer a long-term warranty. They are the best choice for industrial and commercial applications. While planetary gears are more expensive, they are highly efficient.

CFH Series

The Candy CFH Series planetary gearboxes offer the benefits of a modular design and a low backlash. They offer a variety of size options and excellent durability. This planetary gearbox is compact and wear resistant. The CFH Series planetary gearbox has a carburized, induction hardened gears and a rigid alloy steel housing. Its low backlash and precision make it an excellent choice for industrial applications.
The CFH Series planetary gearbox is a highly efficient, high-speed helical gear. The compact design of this gearbox results in high heat dissipation and low mass inertia. Planet carrier bearings experience significant lateral forces from the transmission of torque. As a result, radial and axial forces oppose each other. The result is that the torque is distributed over three gears, reducing noise, vibration, and wear.
The planetary gearbox has three main components: a sun gear (also known as the input gear), a ring gear, and two planet gears. These are connected by a carrier that rotates about a 45-degree clockwise axis. The CFH Series of gears is available in triple and double stages. They can also be used in electric motors. As a result, the CFH Series is highly versatile.
The CFH Series of planetary gearboxes can be found in all kinds of applications, including automotive transmissions. Their compact design and high-performance performance make them a popular choice for space-constrained applications. This gearbox has several benefits and is a great alternative to a conventional helical gearbox. These gearboxes are highly effective for reducing torque and speed, and are compact enough to fit in most applications.
planetarygearbox

CZPT

If you need a high-quality planetary gearbox, the CZPT Planetary Series is the right choice. This Italian company designs and manufactures gearboxes in its San Polo d’Enza, Italy, facility with 11 branch offices and three production facilities. The company is attempting to replicate the success of the Italian Super Car industry, which has gained global recognition. The company provides a range of gearboxes for use in heavy industry, agriculture, offshore, aerial and marine work.
With over 40 years of experience, CZPT manufactures a wide range of high-quality gearboxes. From bevel-helical units to Helical units, wheel gears and negative brakes, the company has been manufacturing quality components for many industries. CZPT is a trusted Australian distributor of CZPT gear components. The company is dedicated to providing the best planetary gears for every industry.
If your CZPT Planetary gearbox is malfunctioning, you can have it repaired quickly and easily. The company uses quality materials and a variety of sizes and output ratios to cater to the most demanding applications. In addition, you can customize your gearbox to suit your specific needs. CZPT Planetary Gearboxes are highly versatile and customizable, offering infinite scalability.

China Custom CZPT Big Torque 3 Stage P3K Series Right Angle Electric Motor Planetary Gearbox   cars with planetary gearboxChina Custom CZPT Big Torque 3 Stage P3K Series Right Angle Electric Motor Planetary Gearbox   cars with planetary gearbox
editor by CX 2023-11-14

China high quality Transmission Right Angle Big Output Torque Planetary Gearbox with Motor with high quality

Product Description

Transmission Right Angle Big Output Torque Planetary  Gearbox With Motor

Key feature:

  • Planetary gearbox is produced by modular design, and can be combined according to client’s request
  • Involuted planetary gear design
  •  Nodular cast iron Housing to increase rigidity and antiknock
  • Heavy duty bearing on low‐speed shaft, and can bear big radial load due to proportionate distribution of   torque
  • All gears are case hardened to get high surface hardness, which guarantee transmission efficiency and whole gearbox’s life
  • Planetary gearbox has 16 models for different torque range, and each model have 1‐5 reduction stages to achieve different ratios
  • Ratio range: 3.15‐9N. M
  • Output speed: 0.425‐445 r/min
  • Structure mode: Possibility of flange, foot, or shaft mounting solutions
  • Wide and comprehensive range of N series for industrial applications
  • Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
  • Rigid and precise nodular cast iron casing
  • Low noise running, high manufacturing quality standard
  • High and reliable performance, load capacity and low speed shaft bearing

N series planetary gearbox torque sheet with models

Gear unit size 200 201 240 241 280 281 353/354 355 400 401
Normal output torque
T2N[Nm]
1500 2000 3500 4000 4300 7300 13000 16000 20000 23000
Gear unit size 428 429 445 446 510 542 543 695 810 885
Normal output torque
T2N[Nm]
26000 30000 32000 43000 63000 75000 100000 150000 300000 420000

 

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened
Installation: Horizontal Type
Step: Four-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

|

Customized Request

planetarygearbox

Types, Applications, and Lubrication of Planetary Gearboxes

A Planetary Gearbox is a device that can be used in a variety of applications. Their reduction ratios depend on the number of teeth in each gear. In this article, we will discuss the types, applications, and lubrication of planetary gearboxes. Hopefully, this article will be of help to you. If not, you can check out this article and discover more about this fascinating machine. There are many different types of planetary gearboxes.

Applications of planetary gearboxes

The planetary gearbox is a popular option for applications requiring precise positioning. Applications of the planetary gearbox range from plastic machinery to agricultural equipment, from goods & personnel lifts to industrial robotics. Some of the industries that benefit from this type of gearbox include robotics, intra-logistics, robotics for industrial automation, and medical equipment. Increasing automation is also fueling the growth of the industrial planetary gearbox market in APAC.
The compact design of planetary gears makes them excellent for reducing load inertia and maximizing torque. However, some applications require additional lubrication for sustained performance or high speeds. CZPT uses CZPT in its planetary gearboxes. In addition, lubrication prevents gear wear and minimizes noise and vibration. The planetary gearbox is also easy to install, thanks to its low-mass-inertia design.
Another application of the planetary gearbox is in axles and transfer cases. The planetary gear architecture consists of a sun gear, also called the central gear, and a ring-gear with internal teeth that are concentric to the sun gear. The two gears are connected via a carrier, and the output shaft is positioned on the ring-gear carrier. The gearbox can be configured in a variety of ways, depending on the speed-ratio requirements.
The planetary gear train is similar to that of a solar system. It comprises a sun gear and two or more outer gears, ring gear and carrier assembly. In this configuration, the outer gears are connected via a carrier and a ring gear. The planet gears are in constant mesh with each other, and power applied to one of these members will rotate the whole assembly. They are a very efficient choice for many applications.

Types

There are three types of planetary gearboxes, depending on their performance and efficiency. The basic model is highly efficient and transmits up to 97% of power input. Depending on the speed and torque that need to be transmitted, planetary gearboxes are used in many different applications. A planetary gearbox can reduce the speed of a roller or produce a more precise level of movement. Using a planetary gearbox for your printing press, for example, will maximize your gear transmission ratio.
This market research report analyzes the factors influencing the market for Planetary Gearboxes, as well as their sales and revenues. It also highlights industry trends and details the competitive landscape. It also provides a comprehensive analysis of the Planetary Gearbox industry and its drivers and restraints. It provides detailed information on the market size and future growth prospects. The study also includes an extensive discussion of the competitive landscape, identifying the top companies and key market players.
A planetary gearbox is often used to manufacture complicated machines. These gears are usually made of high-quality steel, which makes them extremely durable. Planetary gearboxes can also be used in the production of heavy machine elements. There are many benefits of a planetary gearbox, including its compactness and low mass inertia. The main advantage of a planetary gearbox is its ability to distribute torque. Compared to a normal gearbox, planetary gearboxes can provide torque that is nearly three times higher than its conventional counterpart.
The three main types of planetary gears are the single-stage, compound, and multi-stage. The general concept of a planetary gear is referred to as a compound planetary gear. This means that planetary gears are made up of one of these three basic structures: a meshed-planet structure, a shaft, and a multi-stage structure. This type of gear has multiple stages and is particularly useful for fast-dynamic laser cutting machines.
planetarygearbox

Design

A planetary gearbox is similar to a car’s transmission. All of its gears must have a certain number of teeth and be spaced equally apart. The teeth of a planet must mesh with the gears of the ring and sun to be functional. The number of teeth needed will depend on the number of planets and their spacing. This equation is a good starting point for designing a gearbox.
The dynamic properties of planetary gears are investigated using a parametric model. The stiffness of the mesh changes as the number of gear tooth pairs in contact varies during the gear rotation. Small disturbances in design realizations cause nonlinear dynamics, which results in noise and vibrations in the gear transmission. A mathematical system describing this process is developed using the basic principles of analytical mechanics. This mathematical model can be used to optimize any planetary gear.
This analysis assumes that the sun gear and planet gears have the same design modulus, which is a fundamental requirement of any mechanical gear. In reality, the ratio of these two gears is 24/16 versus -3/2. This means that a planetary gearbox’s output torque is 41.1 times the input torque. Considering this factor, we can make an accurate estimate of the total torque. The planetary gears are mounted face-to-face and connected to an electric motor.
A planetary gear set has to have a certain number of teeth that are odd or even. One way to overcome this issue is to double the number of teeth on the sun gear and the annulus gear. This will also solve irregularities. Another way to design a planetary gear set is to use the appropriate diametral pitch and module. There are many planetary gear sets available on the market, so it pays to understand the differences.

Lubrication

Lubrication for Planetary Gearboxes is important for the smooth functioning of the gear. Planetary gears are subjected to high levels of friction and heat, so they require regular lubrication. The gear housing is designed to dissipate heat away from the gear, but heat can still enter the gear, which can result in a poor lubrication condition. The best lubrication solution is synthetic oil, and the gear should be refilled with a minimum of 30 percent oil.
When lubricating a planetary gearbox, it is important to note that hydraulic oil is not suitable for planetary gearboxes, which cost over $1500. Hydraulic oil does not have the same viscosity and behavior with temperature fluctuations, making it less effective. The planetary gearbox may also overheat if a hose is not provided for case draining. A case drain hose is essential to prevent this from happening, because hot oil can cause overheating of the gearbox and damage to the gears.
Oil delivery conduits are positioned between each pair of planet gears. Each oil delivery conduit directs fresh oil toward the sun gear and the planet gear. The oil then disperses and exits from the gear train with considerable tangential velocity. The oil is redirected into a collection channel (56). The preferred embodiment uses herringbone gears, which pump oil axially outward into the channels.
The best way to choose the right type of lubrication is to consider its viscosity. Too high a viscosity will prevent the lubricant from flowing properly, which will cause metal-to-metal contact. The oil must also be compatible with the gearbox temperature. A suitable viscosity will increase the efficiency of the gearbox and prevent downtime. A reliable gearbox will ultimately result in higher profits and fewer costs.
planetarygearbox

Applications

This report examines the Industrial Planetary Gearbox Market and its current trends. It identifies the pre and post-COVID-19 effects of the industry. It outlines the advantages and disadvantages of the industrial planetary gearbox market. The report also explains the diverse financing resources and business models of the market. It includes the key players in the industry. Hence, it is essential to read this report carefully.
The report includes analysis and forecasts of the global market for planetary gearbox. It includes the product introductions, key business factors, regional and type segments, and end-users. It covers the sales and revenue of the market for each application field. The report also includes the regional and country-level market data. It also focuses on the market share of the key companies operating in the industry. It covers the competitive scenario in the global planetary gearbox market.
Another popular application for planetary gearboxes is in the toy industry. It is possible to design toys that look stunning with planetary gear systems. In addition to toys, clock makers also benefit from the planetary arrangement. In addition to producing a good-looking clock, this gearbox can reduce inertia and improve its efficiency. The planetary gearbox is easy to maintain, which makes it a good choice for clock applications.
In addition to traditional gear reductions, planetary gears are also used for 3D printing. Their huge gear ratio makes 3D printing easier. Furthermore, planetary gears are used to drive stepper motors, which turn much faster and produce a desired output. There are numerous industrial uses for planetary gearboxes. This article has explored a few of the most common ones. And don’t forget to explore their uses.

China high quality Transmission Right Angle Big Output Torque Planetary Gearbox with Motor   with high quality China high quality Transmission Right Angle Big Output Torque Planetary Gearbox with Motor   with high quality
editor by CX 2023-05-18

China supplier High Efficient Big Suction Brushless Vacuum Cleaner Motor BLDC Motor Hand Dryer Motor for Hand Dryer/Dog Dryer/Vacuum Cleaner Motor/Pet Dryer Motor with Good quality

Product Description

Big Sunction Brushless Vacuum Cleaner Motor

Our company FAQ for you

(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,Hair Dryer Motor Blender Motor Mixer Motor,
Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,Synchronous Motor,Stepping Motor etc.

(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.

(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we’d love to provide samples.

(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it’s also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement. But the less the better (like no more than 5pcs) on condition that the quantity is enough in case any changes needed after initial testing.

  No. Item Parameter Remark
Blower
 Power
01 Rated volt/Freq AC220v 180–250V
  02 Rated input power 660W 620-700W
  03 Max suction power 173W  
  04 Max suction efficiency η≥31%  
  05 Rotation CW  
  06 Max Vacuum degree H≥10.5KPa  
  07 Max airflow Q≥3.1m^3/min  
  08 Rated speed 20000rpm   ±8%
  09 Noise ≤92dB(A)     
  10 Vibration Under normal operation of electric fan, radial vibration ≤20mm/s  
  11 Insulation class F Class  
Safety
Performance
12 Electrical strength 1800V/5mA/1S (Cold state)  
  No. Item Parameter Remark
Blower
 Power
01 Rated volt/Freq AC220v 180–250V
  02 Rated input power 660W 620-700W
  03 Max suction power 173W  
  04 Max suction efficiency η≥31%  
  05 Rotation CW  
  06 Max Vacuum degree H≥10.5KPa  
  07 Max airflow Q≥3.1m^3/min  
  08 Rated speed 20000rpm   ±8%
  09 Noise ≤92dB(A)     
  10 Vibration Under normal operation of electric fan, radial vibration ≤20mm/s  
  11 Insulation class F Class  
Safety
Performance
12 Electrical strength 1800V/5mA/1S (Cold state)  

Dynamic Modeling of a Planetary Motor

A planetary gear motor consists of a series of gears rotating in perfect synchrony, allowing them to deliver torque in a higher output capacity than a spur gear motor. Unlike the planetary motor, spur gear motors are simpler to build and cost less, but they are better for applications requiring lower torque output. That is because each gear carries the entire load. The following are some key differences between the two types of gearmotors.

planetary gear system

A planetary gear transmission is a type of gear mechanism that transfers torque from one source to another, usually a rotary motion. Moreover, this type of gear transmission requires dynamic modeling to investigate its durability and reliability. Previous studies included both uncoupled and coupled meshing models for the analysis of planetary gear transmission. The combined model considers both the shaft structural stiffness and the bearing support stiffness. In some applications, the flexible planetary gear may affect the dynamic response of the system.
In a planetary gear device, the axial end surface of the cylindrical portion is rotatable relative to the separating plate. This mechanism retains lubricant. It is also capable of preventing foreign particles from entering the planetary gear system. A planetary gear device is a great choice if your planetary motor’s speed is high. A high-quality planetary gear system can provide a superior performance than conventional systems.
A planetary gear system is a complex mechanism, involving three moving links that are connected to each other through joints. The sun gear acts as an input and the planet gears act as outputs. They rotate about their axes at a ratio determined by the number of teeth on each gear. The sun gear has 24 teeth, while the planet gears have three-quarters that ratio. This ratio makes a planetary motor extremely efficient.
Motor

planetary gear train

To predict the free vibration response of a planetary motor gear train, it is essential to develop a mathematical model for the system. Previously, static and dynamic models were used to study the behavior of planetary motor gear trains. In this study, a dynamic model was developed to investigate the effects of key design parameters on the vibratory response. Key parameters for planetary gear transmissions include the structure stiffness and mesh stiffness, and the mass and location of the shaft and bearing supports.
The design of the planetary motor gear train consists of several stages that can run with variable input speeds. The design of the gear train enables the transmission of high torques by dividing the load across multiple planetary gears. In addition, the planetary gear train has multiple teeth which mesh simultaneously in operation. This design also allows for higher efficiency and transmittable torque. Here are some other advantages of planetary motor gear trains. All these advantages make planetary motor gear trains one of the most popular types of planetary motors.
The compact footprint of planetary gears allows for excellent heat dissipation. High speeds and sustained performances will require lubrication. This lubricant can also reduce noise and vibration. But if these characteristics are not desirable for your application, you can choose a different gear type. Alternatively, if you want to maintain high performance, a planetary motor gear train will be the best choice. So, what are the advantages of planetary motor gears?

planetary gear train with fixed carrier train ratio

The planetary gear train is a common type of transmission in various machines. Its main advantages are high efficiency, compactness, large transmission ratio, and power-to-weight ratio. This type of gear train is a combination of spur gears, single-helical gears, and herringbone gears. Herringbone planetary gears have lower axial force and high load carrying capacity. Herringbone planetary gears are commonly used in heavy machinery and transmissions of large vehicles.
To use a planetary gear train with a fixed carrier train ratio, the first and second planets must be in a carrier position. The first planet is rotated so that its teeth mesh with the sun’s. The second planet, however, cannot rotate. It must be in a carrier position so that it can mesh with the sun. This requires a high degree of precision, so the planetary gear train is usually made of multiple sets. A little analysis will simplify this design.
The planetary gear train is made up of three components. The outer ring gear is supported by a ring gear. Each gear is positioned at a specific angle relative to one another. This allows the gears to rotate at a fixed rate while transferring the motion. This design is also popular in bicycles and other small vehicles. If the planetary gear train has several stages, multiple ring gears may be shared. A stationary ring gear is also used in pencil sharpener mechanisms. Planet gears are extended into cylindrical cutters. The ring gear is stationary and the planet gears rotate around a sun axis. In the case of this design, the outer ring gear will have a -3/2 planet gear ratio.
Motor

planetary gear train with zero helix angle

The torque distribution in a planetary gear is skewed, and this will drastically reduce the load carrying capacity of a needle bearing, and therefore the life of the bearing. To better understand how this can affect a gear train, we will examine two studies conducted on the load distribution of a planetary gear with a zero helix angle. The first study was done with a highly specialized program from the bearing manufacturer INA/FAG. The red line represents the load distribution along a needle roller in a zero helix gear, while the green line corresponds to the same distribution of loads in a 15 degree helix angle gear.
Another method for determining a gear’s helix angle is to consider the ratio of the sun and planet gears. While the sun gear is normally on the input side, the planet gears are on the output side. The sun gear is stationary. The two gears are in engagement with a ring gear that rotates 45 degrees clockwise. Both gears are attached to pins that support the planet gears. In the figure below, you can see the tangential and axial gear mesh forces on a planetary gear train.
Another method used for calculating power loss in a planetary gear train is the use of an auto transmission. This type of gear provides balanced performance in both power efficiency and load capacity. Despite the complexities, this method provides a more accurate analysis of how the helix angle affects power loss in a planetary gear train. If you’re interested in reducing the power loss of a planetary gear train, read on!

planetary gear train with spur gears

A planetary gearset is a type of mechanical drive system that uses spur gears that move in opposite directions within a plane. Spur gears are one of the more basic types of gears, as they don’t require any specialty cuts or angles to work. Instead, spur gears use a complex tooth shape to determine where the teeth will make contact. This in turn, will determine the amount of power, torque, and speed they can produce.
A two-stage planetary gear train with spur gears is also possible to run at variable input speeds. For such a setup, a mathematical model of the gear train is developed. Simulation of the dynamic behaviour highlights the non-stationary effects, and the results are in good agreement with the experimental data. As the ratio of spur gears to spur gears is not constant, it is called a dedendum.
A planetary gear train with spur gears is a type of epicyclic gear train. In this case, spur gears run between gears that contain both internal and external teeth. The circumferential motion of the spur gears is analogous to the rotation of planets in the solar system. There are four main components of a planetary gear train. The planet gear is positioned inside the sun gear and rotates to transfer motion to the sun gear. The planet gears are mounted on a joint carrier that is connected to the output shaft.
Motor

planetary gear train with helical gears

A planetary gear train with helical teeth is an extremely powerful transmission system that can provide high levels of power density. Helical gears are used to increase efficiency by providing a more efficient alternative to conventional worm gears. This type of transmission has the potential to improve the overall performance of a system, and its benefits extend far beyond the power density. But what makes this transmission system so appealing? What are the key factors to consider when designing this type of transmission system?
The most basic planetary train consists of the sun gear, planet gear, and ring gear elements. The number of planets varies, but the basic structure of planetary gears is similar. A simple planetary geartrain has the sun gear driving a carrier assembly. The number of planets can be as low as two or as high as six. A planetary gear train has a low mass inertia and is compact and reliable.
The mesh phase properties of a planetary gear train are particularly important in designing the profiles. Various parameters such as mesh phase difference and tooth profile modifications must be studied in depth in order to fully understand the dynamic characteristics of a PGT. These factors, together with others, determine the helical gears’ performance. It is therefore essential to understand the mesh phase of a planetary gear train to design it effectively.

China best 12v outrunner 7.5kw high torque big brushless dc motor with high quality

Warranty: 3months-1year
Model Number: XH-BL80B3
Usage: BOAT, Car, Electric Bicycle, FAN, Home Appliance, Cosmetic instrument, SMART HOME, robotics
Type: Brushless Motor
Torque: 6.9N.M
Construction: Permanent Magnet
Commutation: Brushless
Protect Feature: Waterproof
Speed(RPM): 3000RPM
Continuous Current(A): 65A
Efficiency: IE 1
DIAMETER: 80mm
flange: B5
Motor type: BLD C
Input Voltage: 24/48V
Rated Speed: 1200~3000RPM
Power: 0.55~2.2KW
Shaft diameter: 19mm
Weight: 8kg
Product Name: 80mm Brushless Motor
Feature: Long Life Time Low Noise
Certification: RoHS
Packaging Details: carton packing

Specification itemvalueWarranty3months-1yearPlace of OriginChinaXIHU (WEST LAKE) DIS. MOTORXH-BL80B3UsageBOAT, Car, Electric Bicycle, FAN, Home Appliance, Cosmetic instrument, SMART HOME, roboticsCertificationRoHSTypeBrushless Motor6.9N.MConstructionPermanent MagnetCommutationBrushlessProtect FeatureWaterproof3000RPM65AEfficiencyIE 1DIAMETER80mmflangeB5Motor typeBLD CInput Voltage24/48VRated Speed1200~3000RPMPower0.55~2.2KWShaft diameter19mmWeight8kgProduct Name80mm Brushless MotorFeatureLong Life Time Low Noise Packing & Delivery carton packing Company Profile Our company is located in the center of HangZhou City. We are a specialized factory that produces AC universal motors, shade pole motors, induction motors and synchronous motors. Our products are applied to various kinds of devices, like kitchen appliances, air flow products, air conditioners, water heaters, water & induction pumps, power tools and electrical toys as well as household appliances.In line with the management idea of “humanist, the good faith is supreme” and the quality consciousness of “strives for perfection”, we have gathered a team of specialists for engineering, manufacture, quality control, production management and technology development.Our company comprehensively complies with ISO9001:2001 management systems. We are supplying our motors to many famous worldwide companies of top brands with different applications in Europe, the Middle East, East Asia and South America. FAQ 1. who are we?We are based in ZheJiang , China, start from 2012,sell to North America(30.00%),Southern Europe(20.00%),South America(20.00%),Eastern Europe(10.00%),Southeast Asia(10.00%),South Asia(5.00%),Africa(5.00%). There are total about 201-300 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?DC motor,Gear motor,Universal motor,Shade pole motor,Vacuum cleaner motor4. why should you buy from us not from other suppliers?produces the AC and DC motor,the universal,shade pole, induction, synchronous motors applying to various kinds of devices as kitchen appliance, air flow products, air condition, water heater, water & induction pumps, power tools……5. what services can we provide?Accepted Delivery Terms: FOB,CIF,EXW;Accepted Payment Currency:USD,EUR,CNY;Accepted Payment Type: T/T,MoneyGram,PayPal,Western Union,Cash;Language Spoken:English,Chinese

How to Select a Gear Motor

A gearmotor is an electrical machine that transfers energy from one place to another. There are many types of gearmotors. This article will discuss the types of gearmotors, including Angular geared motors, Planetary gearboxes, Hydraulic gear motors, and Croise motors. In addition to its uses, gearmotors have many different characteristics. In addition, each type has distinct advantages and disadvantages. Listed below are a few tips on selecting a gearmotor.

Angular geared motors

Angular geared motors are the optimum drive element for applications where torques, forces, and motions need to be transferred at an angle. Compared to other types of geared motors, these have few moving parts, a compact design, and a long life. Angular geared motors are also highly efficient in travel drive applications. In addition to their durability, they have a low maintenance requirement and are highly corrosion-resistant.
Helical worm geared motors are a low-cost solution for drives that employ angular geared motors. They combine a worm gear stage and helical input stage to offer higher efficiency than pure worm geared motors. This drive solution is highly reliable and noise-free. Angular geared motors are often used in applications where noise is an issue, and helical worm geared motors are particularly quiet.
The gear ratio of an angular geared motor depends on the ratio between its input and output shaft. A high-quality helical geared motor has a relatively low mechanical noise level, and can be installed in almost any space. The torque of a helical geared motor can be measured by using frequency measurement equipment. The energy efficiency of angular geared motors is one of the most important factors when choosing a motor. Its symmetrical arrangement also allows it to operate in low-speed environments.
When selecting the right angular geared motor, it is important to keep in mind that increased torque will lead to poor output performance. Once a gear motor reaches its stall torque, it will no longer function properly. This makes it important to consult a performance curve to choose the appropriate motor. Most DC motor manufacturers are more than happy to provide these to customers upon request. Angular geared motors are more expensive than conventional worm gear motors.
Motor

Planetary gearboxes

Planetary gearboxes are used in industrial machinery to generate higher torque and power density. There are three main types of planetary gearboxes: double stage, triple stage, and multistage. The central sun gear transfers torque to a group of planetary gears, while the outer ring and spindle provide drive to the motor. The design of planetary gearboxes delivers up to 97% of the power input.
The compact size of planetary gears results in excellent heat dissipation. In some applications, lubrication is necessary to improve durability. Nevertheless, if you are looking for high speed transmission, you should consider the additional features, such as low noise, corrosion resistance, and construction. Some constructors are better than others. Some are quick to respond, while others are unable to ship their products in a timely fashion.
The main benefit of a planetary gearbox is its compact design. Its lightweight design makes it easy to install, and the efficiency of planetary gearboxes is up to 0.98%. Another benefit of planetary gearboxes is their high torque capacity. These gearboxes are also able to work in applications with limited space. Most modern automatic transmissions in the automotive industry use planetary gears.
In addition to being low in cost, planetary gearboxes are a great choice for many applications. Neugart offers both compact and right angle versions. The right angle design offers a high power-to-weight ratio, making it ideal for applications where torque is needed to be transmitted in reverse mode. So if you’re looking for an efficient way to move heavy machinery around, planetary gearboxes can be a great choice.
Another advantage of planetary gearboxes is their ability to be easily and rapidly changed from one application to another. Since planetary gears are designed to be flexible, you don’t have to buy new ones if you need to change gear ratios. You can also use planetary gears in different industries and save on safety stock by sharing common parts. These gears are able to withstand high shock loads and demanding conditions.
Motor

Hydraulic gear motors

Hydraulic gear motors are driven by oil that is pumped into a gear box and causes the gears to rotate. This method of energy production is quiet and inexpensive. The main drawbacks of hydraulic gear motors are that they are noisy and inefficient at low speeds. The other two types of hydraulic motors are piston and vane-type hydraulic motors. The following are some common benefits of hydraulic gear motors.
A hydraulic gear motor is composed of two gears – a driven gear and an idler. The driven gear is attached to the output shaft via a key. High-pressure oil flows into the housing between the gear tips and the motor housing, and the oil then exits through an outlet port. Unlike a conventional gear motor, the gears mesh to prevent the oil from flowing backward. As a result, they are an excellent choice for agricultural and industrial applications.
The most common hydraulic gear motors feature a gerotor and a drive gear. These gears mesh with a larger gear to produce rotation. There are also three basic variations of gear motors: roller-gerotor, gerotor, and differential. The latter produces higher torque and less friction than the previous two. These differences make it difficult to choose which type is the best for your needs. A high-performance gear motor will last longer than an ordinary one.
Radial piston hydraulic motors operate in the opposite direction to the reciprocating shaft of an electric gearmotor. They have nine pistons arranged around a common center line. Fluid pressure causes the pistons to reciprocate, and when they are stationary, the pistons push the fluid out and move back in. Because of the high pressure created by the fluid, they can rotate at speeds up to 25,000RPM. In addition, hydraulic gear motors are highly efficient, allowing them to be used in a wide range of industrial and commercial applications.
Hydraulic gear motors complement hydraulic pumps and motors. They are also available in reversible models. To choose the right hydraulic motor for your project, take time to gather all the necessary information about the installation process. Some types require specialized expertise or complicated installation. Also, there are some differences between closed and open-loop hydraulic motors. Make sure to discuss the options with a professional before you make a decision.
Motor

Croise motors

There are many advantages to choosing a Croise gear motor. It is highly compact, with less weight and space than standard motors. Its right-angle shaft and worm gear provide smooth, quiet operation. A silent-type brake ensures no metallic sound during operation. It also offers excellent positioning accuracy and shock resistance. This is why this motor is ideal for high-frequency applications. Let’s take a closer look.
A properly matched gearmotor will provide maximum torque output in a specified period. Its maximum developing torque is typically the rated output torque. A one-twelfth-horsepower (1/8 horsepower) motor can meet torque requirements of six inch-pounds, without exceeding its breakdown rating. This lower-cost unit allows for production variations and allows the customer to use a less powerful motor. Croise gear motors are available in a variety of styles.

China best 12v outrunner 7.5kw high torque big brushless dc motor  with high qualityChina best 12v outrunner 7.5kw high torque big brushless dc motor  with high quality

China factory Big Large Torque Spur Gear Motor Low Rpm DC 12V 24V 775 Permanent Magnet DC Brush Motor near me manufacturer

Solution Description

Proven in 1994, HangZhou BG Motor Manufacturing facility is a skilled manufacturer of brushless DC motors, brushed DC motors, planetary gear motors, worm gear motors, CZPT motors and AC motors. We have a plant location of 6000 square meters, numerous patent certificates, and we have the unbiased layout and development abilities and powerful complex power, with an annual output of much more than 1 million models. Given that the beginning of its institution, BG motor has concentrated on the total answer of motors. We manufacture and design and style motors, offer professional customized providers, answer swiftly to buyer wants, and actively assist consumers to remedy problems. Our motor goods are exported to twenty international locations, which includes the United States, Germany, Italy, the United Kingdom, Poland, Slovenia, Switzerland, Sweden, Singapore, South Korea and so forth.
Our founder, Mr. Solar, has much more than forty years of experience in motor technological innovation, and our other engineers also have much more than fifteen a long time of encounter, and sixty% of our staff have much more than ten a long time of experience, and we can CZPT you that the high quality of our motors is prime notch.
The merchandise include AGV, underwater robots, robots, sewing device market, vehicles, health-related equipment, automatic doorways, lifting products, industrial equipment and have a extensive assortment of purposes.
We try for CZPT in the top quality of every product, and we are only a small and sophisticated manufacturer.
Our eyesight: Generate the world ahead and make life better!

Q:1.What type of motors can you offer?

A:At current, we primarily make brushless DC motors, brush DC motors, AC motors, CZPT Motors the power of the motor is much less than 5000W, and the diameter of the motor is not more than 200mm

Q:2.Can you send out me a value record?

A:For all of our motors, they are custom-made primarily based on different requirements like life span, noise,voltage,and shaft etc. The cost also varies according to once-a-year amount. So it is actually tough for us to give a price tag record. If you can share your thorough requirements and annual amount, we will see what provide we can give.

Q:3.Can l get some samples?

A:It is dependent. If only a handful of samples for personal use or substitution, I am afraid it’ll be hard for us to provide since all of our motors are custom made made and no inventory obtainable if there are no even more requirements. If just sample screening ahead of the official purchase and our MOQ,value and other terms are suitable,we’d love to give samples.

This autumn:Can you give OEM or ODM provider?

A:Indeed,OEM and ODM are both available, we have the skilled R&D dept which can provide professional answers for you.

Q5:Can l check out your factory before we place an buy?

A:welcome to pay a visit to our manufacturing facility,dress in each and every delighted if we have the CZPT to know each and every other far more.

Q:6.What is actually the direct time for a standard order?

A:For orders, the normal lead time is 15-twenty times and this time can be shorter or more time dependent on the different model,interval and quantity.

The Fundamentals of a Equipment Motor

The fundamental mechanism driving the equipment motor is the basic principle of conservation of angular momentum. The scaled-down the gear, the much more RPM it addresses and the greater the gear, the far more torque it creates. The ratio of angular velocity of two gears is called the gear ratio. Additionally, the identical theory applies to numerous gears. This means that the course of rotation of every adjacent gear is usually the reverse of the one it is attached to.
Motor

Induction worm gear motor

If you’re seeking for an electric motor that can produce high torque, an Induction worm equipment motor may well be the proper decision. This kind of motor utilizes a worm equipment connected to the motor to rotate a main gear. Because this variety of motor is far more efficient than other sorts of motors, it can be utilised in apps necessitating substantial reduction ratios, as it is in a position to provide far more torque at a reduced speed.
The worm gear motor is made with a spiral shaft that is established into splines in another gear. The speed at which the worm gear rotates is dependent on the torque made by the main gear. Induction worm gear motors are greatest suited for use in lower-voltage applications this kind of as electric powered cars, renewable power programs, and industrial equipment. They arrive with a extensive assortment of electricity-provide choices, such as twelve-volt, 24-volt, and 36-volt AC electrical power provides.
These sorts of motors can be used in many industrial options, like elevators, airport products, foodstuff packaging services, and a lot more. They also produce considerably less sound than other types of motors, which can make them a well-liked choice for makers with minimal space. The effectiveness of worm gearmotors makes them an exceptional selection for programs in which noise is an issue. Induction worm gear motors can be compact and very large-torque.
Although the Induction worm gear motor is most extensively employed in industrial applications, there are other types of gearmotors obtainable. Some sorts are more productive than other individuals, and some are more costly than others. For your software, choosing the correct motor and gearbox blend is crucial to obtaining the desired outcome. You’ll find that the Induction worm equipment motor is an superb option for a lot of apps. The rewards of an Induction worm equipment motor can not be overstated.
The DC gear motor is an superb selection for higher-stop industrial programs. This sort of gearmotor is scaled-down and lighter than a normal AC motor and can supply up to 200 watts of torque. A equipment ratio of three to two can be discovered in these motors, which tends to make them best for a extensive selection of applications. A high-high quality DC gear motor is a wonderful choice for several industrial purposes, as they can be highly successful and provide a substantial stage of trustworthiness.
Electric powered equipment motors are a versatile and commonly utilised variety of electric powered motor. Nonetheless, there are some purposes that do not advantage from them, this sort of as applications with higher shaft pace and low torque. Purposes this kind of as fan motors, pump and scanning equipment are illustrations of such higher-velocity and large-torque needs. The most essential consideration when deciding on a gearmotor is its performance. Selecting the appropriate dimensions will make sure the motor runs effectively at peak effectiveness and will final for a long time.
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Parallel shaft helical equipment motor

The FC sequence parallel shaft helical gearmotor is a compact, lightweight, and substantial-overall performance unit that makes use of a parallel shaft framework. Its compact layout is complemented by large transmission efficiency and high carrying ability. The motor’s material is 20CrMnTi alloy steel. The device will come with possibly a flanged enter or bolt-on toes for set up. Its reduced sounds and compact design make it an perfect option for a selection of programs.
The helical gears are usually organized in two rows of one particular an additional. Every row contains a single or much more rows of teeth. The parallel row has the enamel in a helical sample, whilst the helical rows are lined up parallelly. In addition to this, the cross helical gears have a position speak to layout and do not overlap. They can be both parallel or crossed. The helical equipment motors can have any amount of helical pairs, every single with a various pitch circle diameter.
The rewards of the Parallel Shaft Helical Gearbox include large temperature and force handling. It is developed by skilled professionals employing cutting-edge technological innovation, and is commonly recognized for its higher overall performance. It is obtainable in a variety of specialized technical specs and is custom made-made to fit individual requirements. These gearboxes are durable and low-noise and attribute high trustworthiness. You can expect to conserve up to forty% of your energy by making use of them.
The parallel shaft helical gear motors are created to minimize the velocity of a rotating part. The nodular cast iron housing will help make the unit sturdy in difficult environments, although the precision-machined gears supply tranquil, vibration-free of charge operation. These motors are accessible in double reduction, triple reduction, and quadruple reduction. The ability ranges from .twelve kW to 45 kW. You can choose from a wide assortment of capacities, based on the dimension of your gearing requirements.
The SEW-EURODRIVE parallel shaft helical gearmotor is a hassle-free solution for room-constrained purposes. The machine’s modular style permits for easy mounting and a vast assortment of ambient temperatures. They are perfect for a selection of mechanical apps, such as conveyors, augers, and more. If you want a tiny footprint, the SEW-EURODRIVE parallel shaft helical equipment motor is the greatest resolution for you.
The parallel shaft helical gears are beneficial for equally substantial and reduced speed purposes. Parallel helical gears are also appropriate for lower speed and low responsibility apps. A great instance of a cross-helix gear is the oil pump of an inner combustion engine. Each types of helical gears are highly reliable and supply vibration-free of charge procedure. They are more expensive than typical equipment motors, but provide much more sturdiness and performance.
Motor

Helical equipment unit

This helical gear device is created to work beneath a variety of demanding problems and can be used in a vast range of apps. Developed for lengthy existence and large torque density, this gear device is offered in a assortment of torques and equipment ratios. Its layout and development make it suitable with a broad assortment of essential mechanical systems. Frequent applications contain conveyors, materials managing, metal mills, and paper mills.
Created for substantial-performance programs, the Heidrive helical equipment unit provides excellent efficiency and benefit. Its progressive style makes it possible for it to function nicely below a extensive selection of running conditions and is very resistant to hurt. These gear motors can be simply blended with a helical equipment unit. Their mixed electricity output is a hundred Nm, and they have a large effectiveness of up to 90%. For a lot more information about the helical equipment motor, contact a Heidrive agent.
A helical equipment unit can be labeled by its reference section in the standard airplane or the turning airplane. Its centre gap is the same as that of a spur gear, and its number of enamel is the same. In addition to this, the helical gear has a low axial thrust, which is another important characteristic. The helical gear device is far more efficient at transferring torque than a spur gear, and it is quieter, too.
These units are made to handle huge hundreds. No matter whether you are making use of them for conveyors, augers, or for any other software that requires high-speed movement, a helical equipment device will produce highest efficiency. A helical gear device from Flender can take care of 400,000 duties with a substantial degree of reliability. Its high effectiveness and substantial resistance to load assures high plant availability. These equipment motors are available in a range of measurements, from solitary-pace to multi-velocity.
PEC geared motors reward from many years of style experience and substantial quality components. They are sturdy, tranquil, and offer you outstanding efficiency. They are accessible in a number of configurations and are dimensionally interchangeable with other key manufacturers. The gear motors are produced as modular kits to minimize stock. They can be fitted with further factors, such as backstops and supporters. This tends to make it effortless to customize your gear motors and preserve income whilst lowering expenses.
Another sort of helical gears is the double helical gear. The double helical gear device has two helical faces with a hole in between them. They are greater for enclosed equipment techniques as they give better tooth overlap and smoother functionality. When compared to double helical gears, they are more compact and much more adaptable than the Herringbone type. So, if you are searching for a gear motor, a helical equipment device may possibly be perfect for you.

China factory Big Large Torque Spur Gear Motor Low Rpm DC 12V 24V 775 Permanent Magnet DC Brush Motor     near me manufacturer China factory Big Large Torque Spur Gear Motor Low Rpm DC 12V 24V 775 Permanent Magnet DC Brush Motor     near me manufacturer