Planetary series gear transmission box that we can manufacture

  1. Application: Planetary series gear transmission box ,widely used, initially with the motor, in addition to the micro gear motor, also used in the office automation of the sunshade industry, smart home, production automation, medical equipment, financial machinery, game consoles and other fields. Such as automatic curtains, smart toilets, lifting systems, money counters, advertising light boxes and other industries.


  1. At present, the planetary series gear transmission box on the market mainly have diameters of 16MM, 22MM, 28MM.32MM, 36MM, 42MM, and cooperate with the motor. The function can reach the load torque: 50KG 1-30W Load speed: 3-2000RPM.
    Planetary series gear transmission box


  1. Planetary series gear transmission box features: Compared with similar common tooth physics box, it has a smooth transmission, large bearing capacity, small space and large transmission ratio, especially life. If the gear is steel, the life can reach 1000Y, the volume is small, and the appearance is beautiful.


  1. Planetary series gear transmission box is an important component widely used in mechanical transmission. When a pair of gears meshes, there is inevitably a tooth pitch, tooth shape and other errors. During the operation, an meshing impact will occur and a gear meshing frequency will occur. Noise, frictional noise occurs between the tooth faces due to relative sliding.
    Planetary series gear transmission box


  1. Since gears are the basic part of the planetary series gear transmission box drive, reducing gear noise is necessary to control gearbox noise.


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China manufacture hot sales gearboxes are an important mechanical component that is widely used in wind turbines. Its main function is to transmit the power generated by the wind wheel under the action of the wind to the generator and get the correspondin

  1. Usually, the rotation speed of the wind wheel is very low, which is far from the speed required for generator power generation. It must be realized by the speed increase action of the gear box gear pair. Therefore, china manufacture hot sales gearboxes is also called the speed increase box.


  1. China manufacture hot sales gearboxes is subjected to the force from the wind wheel and the reaction force generated during the gear transmission. It must have sufficient rigidity to withstand the force and torque to prevent deformation and ensure the transmission quality.
    China manufacture hot sales gearboxes


  1. The design of the china manufacture hot sales gearboxes should be carried out according to the layout, processing and assembly conditions of the wind turbine power transmission, and easy inspection and maintenance. With the rapid development of the gearbox industry, more and more industries and different enterprises have applied gearboxes, and more and more enterprises have grown stronger in the gearbox industry.


  1. According to the modular design principle of the unit structure,china manufacture hot sales gearboxes greatly reduces the types of parts and is suitable for large-scale production and flexible and variable selection.


  1. China manufacture hot sales gearboxes widely used in printing and packaging machinery, three-dimensional garage equipment, environmental protection machinery, transportation equipment, chemical equipment, metallurgical mining equipment, steel power equipment, mixing equipment, road construction machinery, sugar industry, wind power generation, escalator elevator drive, ship field, light High-power, high-speed ratio, high-torque applications such as industrial fields, papermaking, metallurgical industry, sewage treatment, building materials industry, lifting machinery, conveyor lines, and assembly lines. It has a good cost performance and is conducive to the domestic equipment.
    China manufacture hot sales gearboxes


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China manufacture F series parallel shaft gear motor with high quality

  1. F series parallel shaft gear motor combined with international technical requirements, has high scientific and technological content, saves space, is reliable and durable, with high overload capacity, power can be 90KW, low energy consumption, superior performance, and the speed reduction effect is over 95%.


  1. F series parallel shaft gear motor low vibration, low noise, high energy saving, high quality forged steel material, steel cast iron box.


  1. F series parallel shaft gear motor is subjected to high frequency heat treatment and precision processed.To ensure the parallelism of the shaft and the accuracy of the positioning, all of the gear units of the gear transmission assembly are equipped with various types of electrodes, forming an electrode integration, which fully guarantees the quality characteristics of the product.
    F series parallel shaft gear motor


  1. F series parallel shaft gear motor structural feature editing:


——Modular design, wide transmission ratio coverage, fine and reasonable distribution; force reducer

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China manufacture R series helical gear motor with high quality

  1. R series helical gear motor is a machine that realizes electromechanical integration, high transmission efficiency and low energy consumption, and is used in metallurgy and sewage treatment.


  1. R series helical gear motor is designed and manufactured on the basis of modular combination system. There are many motor combinations, installation forms and structural schemes. The transmission ratio is finely graded to meet different working conditions and the performance is superior.
    R series helical gear motor


  1. High-rigidity cast iron box with ribs; hard-toothed gears are made of high-quality alloy steel, the surface is hardened by carburizing and quenching, the grinding teeth are finely processed, the transmission is stable, the noise is low, and the bearing capacity is large. Low temperature rise and long life.R series helical gear motor widely used in many industries, such as metallurgy, sewage treatment, chemical, pharmaceutical and other industries.


4.R series hardened helical gear reducer details:

(1) Features: small offset output, compact structure, maximum use of box space, the use of integral casting box, good rigidity, can improve the strength of the shaft and bearing life.

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JZQ Helical Gear Box drive Reducer For Coal Mine Winch

The ZQ Series cylindrical gear reducer for coal mine winch plays the role of matching the speed and transmitting torque between the prime mover and the working machine, and is also the main part of the ground mine hoist.Coal mine winch reducers are widely used in modern machinery. In the 1970s and 1980s, the world's reducer technology has developed greatly.

The main factors that promote the improvement of the level of coal mine winch JZQ850 cylindrical speed reducer are:

(1) Development and improvement of hard tooth surface technology, such as large grinding technology, carburizing and quenching technology, gear strength calculation method, shaping technology, deformation and optimization design method, root reinforcement and its meta-transition, new structure, etc. .

(2) With good materials, various high-quality alloy steel forgings are generally used, and the quality control of materials and heat treatment is high.

JZQ Helical Gear Box drive reducer

(3) The structural design is more reasonable.

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CW Series Arc Cylindrical Worm Gear Reducer

The circular cylindrical worm gear reduction adopts single-stage worm reduction transmission, which conforms to the national standard GB9147-88. This standard has reached the international level in the 1980s. The full range of cast iron housing industrial worm speed reducer includes three models, sixteen center distances and twelve speed ratios. The input power range is between 0.39 and 189 kW and the output torque is between 107 and 43500 N.m. Since the worm wheel and the worm are convex and concave, most of the integrated radius of curvature in the meshing area is large, thereby reducing the tooth surface stress, increasing the tooth surface strength, and improving the bearing capacity, and the tooth shape reasonably thins the worm tooth thickness. Increases the root thickness of the worm gear, so the bending strength of the worm gear root increases, the transmission capacity increases, and the angle between the contact line and the peripheral speed is mostly between 40° and 90°, which is easy to form liquid lubrication. The coefficient of friction between the faces is small, so the efficiency is high and the temperature is low.

There are many types of CW series turbine gear box transmission, including: CWU worm in the down type, CWS worm in the side type, CWO worm in the upper type

There are 16 types of a=63, 80, 100, 125, 140, 160, 180, 200, 225, 250, 280, 315, 355, 400, 450, 500.

There are 12 kinds of transmission ratios i=5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50, 63

CW Series Arc Cylindrical Worm Gear Reducer

CW: arc-tooth cylindrical worm gear unit U: worm position, "U" is lower, "O" is upper, "S" is side. 200 is center distance (mm) 20 is the nominal transmission ratio

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YEJ Series Electromagnetic Three-Phase Asynchronous Brake Motor

  1. Brief Introduction

The full name of YEJ motor is: YEJ series electromagnetic three-phase ac brake motor (referred to as: YEJ series electromagnetic brake motor), which is a three-phase asynchronous motor with fully enclosed, self-fan cooled and squirrel cage type DC electromagnet brake. It is in Y series. A DC disc type electromagnetic brake is added between the rear end cover of the motor and the fan, which is a derivative series of the Y series.

  1. Applied Range

Applicable to all kinds of machinery that require electromagnetic three-phase ac brake motor, accurate positioning, reciprocating operation, frequent starting and braking, as the main equipment for auxiliary transmission and auxiliary transmission.

Electromagnetic Three-Phase Ac Brake Motor


For example: electromagnetic three-phase ac brake motor, rubber chemical machinery, metal processing machine tools, packaging machinery, woodworking machinery, food machinery, chemical machinery, textile machinery, construction machinery and gear reducers.


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Best Quality ZDY Series Hard Tooth Surface Gear Reduction

  1. Brief Introduction

ZDY single-stage cylindrical gear reducer is a hardened reducer manufactured according to national standard (Gib19004-88). It mainly includes ZDY (single stage), ZLY (two stages), ZSY (three stages) and ZFY (four Level) four series.


  1. Applied Range

The DBY/DCY/DFY Hard Tooth cylinder Gear Reduction is suitable for transmissions in which the output input shaft is arranged vertically. Mainly used in belt conveyors and other transportation machinery ZDY single-stage cylindrical gear reducer drawings, can also be used in metallurgy, mining, construction, cement, light industry, energy and other general machinery transmission mechanism.


  1. Feature

The center distance, transmission ratio and other main optimization designs ZDYsingle-stage cylindrical gear reducer, mainly zero, good component. The gears are made of high-quality alloy just carburized and quenched, and the gear hardness reaches HRC58-62.

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Cyclo AC Synchronous Gear Motor For Gravity-Free Mixers

Gravity-free mixers can be roughly divided into two types: ordinary gravity-free mixers, one type of fly-knife type gravity-free mixers, and the latter mainly for one type in which the fibers are cut in the material and then mixed by the flying knife.

Performance characteristics

The rotation speed of the shaft driven by the cycloidal drive reducer and the structure of the blade will weaken the gravity of the material. With the lack of gravity, the difference in particle size and specific gravity of each material is neglected during the mixing process. Intense mixing movement shortens the mixing time, faster and more efficient. Even if the material has a difference in specific gravity and particle size, a good mixing effect can be achieved under the rapid and vigorous tumbling of the staggered stirring blades.

The gravity-free mixer with single stage cycloidal gearbox can achieve a spray operation of less than 17%, and materials with too much viscosity after adding liquid are not suitable. It can be mixed with solid (powder)-solid (powder) (powder size 300-2000um).According to the production requirements, it is also possible to install a spray and a jacket device to make it a solid (powder)-liquid (mixing and drying equipment with a liquid content <15%).

cyclo ac synchronous gear motor

The mixing of materials with large differences in specific gravity and particle size does not produce stratified segregation. When the solid-solid mixture is mixed at 1:1000, the standard deviation is between 30,000 and 100,000.

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Hard Tooth Surface Reduction Gearbox For Bending Machine

The bending machine with single-stage cylindrical gearbox is a kind of equipment for bending and forming a sheet by using a work roll, and can form parts of different shapes such as a cylindrical piece and a cone, and is a very important processing equipment. The working principle of the coiling machine is to make the work roll move by the action of external force such as hydraulic pressure and mechanical force, so that the sheet is bent or rolled. According to the rotation movement and position change of the work rolls of different shapes, elliptical parts, curved parts, cylindrical parts and the like can be processed.

hard tooth surface reduction gearbox

Working principle

The oil acts on the piston for vertical lifting movement, and the final gear of the main hard tooth surface reduction gearbox drives the two lower roller gears to engage in a rotary motion to provide torque for the rolled sheet. The flat plastic sheet of the coiling machine with cylindrical gearing arrangement passes through the three work rolls (two lower rolls and one upper roll) of the coiling machine, and the metal plate passes through multiple passes by the lower pressing of the upper roll and the rotating motion of the lower roll. Continuous bending (inner layer compression deformation, middle layer constant, outer layer tensile deformation), permanent plastic deformation, roll into the required cylinder, cone or part of them. The disadvantage of this hydraulic three-roll bending machine is that the end of the plate needs to be pre-bent by means of other equipment.

Structural features

The automatic feeding equipment of the coiling machine is mainly composed of a sheet material trolley, an actuator, a sheet conveying mechanism and an auxiliary mechanism. The sheet trolley is used to place the sheet to be rolled. The main function of the actuator is to transport the sheet to be rolled on the sheet trolley to the feeding platform. The handling of the sheet is mainly applied to the Cartesian robot and the vacuum chuck picking device. In industrial automation systems, it is often necessary to pick and load workpieces, and vacuum chucks are widely used as suction-cup robots.

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Three-phase asynchronous motor manufacture with high quality and good price


  1. The rotation speed of the rotor of the three-phase asynchronous motor is lower than the rotation speed of the rotating magnetic field, and the rotor winding generates electromotive force and current due to the relative motion between the magnetic field and the magnetic field, and interacts with the magnetic field to generate electromagnetic torque to realize energy conversion.


  1. Compared with single-phase asynchronous motors, three-phase asynchronous motors have good running performance and can save various materials.
    Three-phase asynchronous motor


  1. According to the rotor structure, three-phase asynchronous motors can be divided into two types: cage type and winding type. The asynchronous motor of the cage rotor has simple structure, reliable operation, light weight and low price, and has been widely used. The main disadvantage is that the speed regulation is difficult.


  1. The rotor of the wound-type three-phase asynchronous motor is also provided with a three-phase winding like a stator and is connected to an external varistor through a slip ring and a brush. Adjusting the varistor resistance improves the starting performance of the motor and regulates the speed of the motor.


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China explosion-proof electric motors that we can supply and manufactures

  1. Explosion-proof electric motors are used as the main power equipment and are commonly used to drive pumps, fans, compressors and other transmission machinery. It is also widely used in textile, metallurgy, city gas, transportation, grain and oil processing, paper, medicine and other departments.


2.The rated voltage, rated current, power, and speed are the same as those for ordinary motors. The difference is that the explosion-proof electric motor has more explosion-proof signs: Ex

First, the explosion-proof type + equipment category + (gas group) + temperature group explosion-proof type:

  1. Flameproof type Ex d2. Sand filling type Ex q3. Increased safety type Ex e4. Pouring type Ex m5. Positive pressure type Ex p

6.n type Ex n7. intrinsically safe type E x ia Ex ib8. special type Ex s9. oil immersion type Ex o10. dust explosion-proof type DIP A DIP B2

Explosion-proof electric motor


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Low speed motor heavy duty motor gearbox for hoist that we can manufacture

  1. Some of these machines of low speed motor heavy duty motor can be used as motors or as generators.


  1. Energy shortages have also become a topic of common concern around the world. At the same time, the state has also put forward the requirements of promoting the technology of variable frequency permanent magnet motor. Under this background, the technology of low speed motor heavy duty motor permanent magnet synchronous motor is also becoming more and more mature, and it is widely used in various industries.
    Low speed motor heavy duty motor


  1. Low speed motor heavy duty motor has the advantages of low speed and large torque, simple structure, high power factor, high efficiency, small volume, low noise and high reliability.


  1. Lightweight development.Due to the installation space, carrying and other factors, the requirements for light weight and small volume are proposed for the low speed motor heavy duty motor . Such as underground coal mining, CNC machine tools, medical equipment, ship propulsion, portable mechatronics products, etc. have such requirements.


  1. With the development of the industry, the requirements for electric motors are not simply to provide power, but to present a variety of performance requirements. For example, the aerospace industry requires high performance and high reliability. The chemical fiber industry, CNC machine tools, intelligent machining centers and other equipment require high speed accuracy.
    Low speed motor heavy duty motor


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NGW planetary gear reducer features and scope of application

一,NGW planetary gear reducer features and scope:

    The NGW planetary gear reducer is mainly constructed with a sun gear, a planetary gear, an inner ring gear and a planet carrier.

   In order to evenly distribute the loads of the three planet wheels, a toothed floating mechanism is used, that is, the sun gear or the planet carrier floats, or both the sun gear and the planet carrier float at the same time. The gears in the reducer are straight-tooth involute cylindrical gears. Has the following characteristics:

  1. Small in size and light in weight. Under the same conditions, it is 1/2 or more lighter than the ordinary involute cylindrical gear reducer, and the volume is 1/2 to 1/3.

    2, the transmission efficiency is high: single-stage planetary gear reducer reaches 97% ~ 98%; two-stage planetary gear reducer reaches 94% ~ 96%; three-stage planetary gear reducer 91% ~ 94%.

    3, the transmission power range is large: can be from less than 1KW to 1300KW, or even larger.

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Details of shaft extension type S series helical gear-worm gear reducer

一, Product description:

  1. Shaft extension type S series helical gear worm reducer has high technical content, and has a combination of helical gear and worm gear to improve the torque and efficiency of the machine. This series of products has complete specifications, wide speed range, good versatility, adapt to various installation methods, performance, safety and reliability, long service life, and implementation of international standards.
  2. The surface of the body has concave and convex heat dissipation, strong vibration absorption, low temperature rise and low noise.
  3. The machine has good sealing performance and strong adaptability to the working environment.
  4. The machine has high transmission precision, especially suitable for working in occasions with frequent start-up. Shaft extension type S series can be connected with various types of reducers and equipped with various types of motor drives. Shaft extension type S series can be installed in the 90-degree transmission operation position.
  5. The key components of the geared motor adopt high wear-resistant materials and have undergone special heat treatment. It has the characteristics of high processing precision, stable transmission, small volume bearing capacity and long service life.
    shaft extension type S series
  6. Shaft extension type S series reducer can be equipped with various types of motors to form an electromechanical integration, which fully guarantees the quality characteristics of the products.


二, Technical Parameters:

   Power: 0.18KW ~ 22KW

   Torque: 10N·m to 4890N·m

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New Design Parallel Shaft Cylindrical Gear Reductions

  1. Application

The reducer is mainly used in lifting, mining, general chemical, textile, light industry and other industries. Its applicable conditions are as follows:

  1. Reducer gear transmission circular speed is not more than 10 meters/second;
  2. The speed of the high speed shaft of the reducer shall not be greater than 1500 revolutions/min;
  3. Parallel Shaft Cylindrical Gear Reducers is used for positive and negative operation;
  4. Deceleration machine working environment temperature of 40 ℃ to + 40 ℃;
  5. Reducer has nine transmission ratios, nine configuration types and three types of low speed shaft shaft end;
  6. The transmission ratio of such reducer is: 48.57, 40.17, 31.5, 23.34, 20.49, 15.75, 12.64, 10.35, 8.23.


  1. All Type

Parallel Shaft Cylindrical Gear Reducers has two stages of transmission, there are nine types of assembly, the input shaft extension is conical, the output shaft end by cylindrical (Z), gear (CA, C) a level of euclipd (cross slider) coupling (F).

Parallel Shaft Cylindrical Gear Speed Reducers


  1. Difference

Parallel Shaft Cylindrical Gear Reducers is involute cylindrical gear reducer, ZQ (H) type is cylindrical gear reducer, which is formed on the basis of ZQ type involute cylindrical gear reducer series. Time has proved that compared with involute gear of the same specification, circular arc gear not only has a longer service life, but also has a larger capacity, higher strength and less wear on the tooth surface.

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Best Selling Hard Face Cylindrical Reduction Gear Set

  1. Classification

Hard tooth surface gear transmission mainly include series of parallel axis and vertical axis series, parallel shaft gear reducer is according to the national standard (GBl9004-88) production, optimization design, the sankei shimbun has the international advanced level in the eighty s, it mainly includes ZDY (single stage), ZLY (grade two), ZSY (level 3) and ZFY (level 4) four series, vertical shaft reducer is according to the national standard (JB/T9002-1999) production, is used for the input shaft and output shaft is vertical arrangement of transmission device, it mainly includes DBY, DCY and DFY three series.


  1. Application Range

The Hard tooth surface gear transmission shall not be more than 20 m/s. Work environment - 40 ~ 50 ℃, if lower than 0 ℃, before the start of lubricating oil should be preheated to 0 ℃ above, the speed reducer can be used in positive and negative two directions. It can be widely used in metallurgy, mining, chemical industry, building materials, lifting, transportation, textiles, paper, instruments, plastics, rubber, construction machinery, energy and other industrial sectors.

Cylindrical Reduction Gear Set


  1. Characteristic

The main parameters, such as center distance and nominal transmission ratio, have been optimized and designed. Hard tooth surface gear transmission are made of high quality alloy steel through carburizing, quenching, and, tooth surface hardness up to hrc54-62. Small size, light weight, high precision, large carrying capacity, high efficiency, long life, high reliability, smooth transmission, low noise. Generally use oil pool run, natural cooling, when the thermal power can not meet, can be used for circulating oil lubrication or fan, cooling coil cooling.

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Blowing Machine Single Screw Gear Reduction Unit

The film blowing machine is mainly composed of an plastic machinery industry extruder gearbox, a machine head, a die, a cooling device, a foam stabilization frame, a herringbone plate, a traction roller, a winding device ect.

  1. The extruder is mainly composed of screw, barrel feeding hopper, deceleration and High efficiency AC electric motor. The driving motor adopts electromagnetic speed regulating motor (also can be used with variable frequency motor), and the Single Screw Gear Reduction Unit is driven by the belt drive to make the screw rotate in the barrel; The plastic which melts the plastic particles of the hopper under external heating is squeezed from the die die through three-pass filtration.

2.The unit adopts advanced spiral die structure. According to the special characteristics of high pressure, low pressure, mixed material and recycled material polyethylene material, the spiral angle, the back slope angle, the fixed angle length and the die opening degree are designed. Technical parameters, selected and tested by multiple comparison tests,

  1. The cooling device consists of a cooling air ring, a duct, a blower, etc.
    Single Screw Gear Reduction Unit
  2. The traction consists of main components such as the traction frame, the herringbone plate, the traction roller, the take-up mechanism and the traction motor.

5.The general unit is equipped with an organic group operation cabinet. The total button is connected to the main power supply to open the main switch of the AC induction 1500 rpm electric motor. The splitter switch can be used to control the fuselage and the tee, and the buttons are electrically heated. The key parts of the two sets of coils are thermocouples. Automatic temperature measurement and automatic temperature control. During normal production, the temperature can be automatically controlled to ensure stable and reliable production process.


  1. The screw adopts the most advanced alloy spraying technology. After precision machining, the hardness is higher, the corrosion resistance is better, and the service life is longer. It is 2~3 times of the life of the nitriding treatment screw;
  2. The long diameter to diameter ratio of the screw is large, the plasticizing ability is strong, the temperature distribution is uniform, the temperature is controlled automatically, and the blown film has a bright and uniform product with good performance;
  3. The whole new design ZLYJ single shaft plastic gearbox is compact in structure, stable in operation, single-arm structure, economical and practical, and the traction device is integrated and can be adjusted and lifted automatically;
  4. Adopt advanced frequency conversion technology, high efficiency and energy saving;
  5. The form of curling is various and can be arbitrarily selected.
    Single Screw Gear Reduction Unit


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Automatic Feeder Vertical Mounting Cyclo Speed Reducer

  1. The machine has stable single stage of bld cycloidal speed reducer and uniform feeding, so as to ensure uniform feeding of the whole machine;
  2. The feed is evenly fed through the feeding material tube through the feeding material tube, and the feed is evenly sprinkled to the trough to avoid the spillage of the artificial feeding and save the feed;

3, saving labor, the machine is a single feeding, running 5-8 minutes (70 meters chicken house)


  1. Horizontal conveyor auger.

2, the hopper.

  1. Control the electric box.
  2. Walking mechanism.
  3. Speed regulating motor and walking geared motor.

6, feeding auger motor.

7, feeder bracket.

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Small gear reduction electric motors that we can supply and manufactures


  1. Small gear reduction electric motors are used in everyday life and are widely used, especially in everyday products.


  1. Small gear reduction electric motors is a mechatronics product consisting of three parts: GA, GB, GE, JB series micro gear reducer, electronic governor and micro motor that can run in reverse direction. Through the different combinations of the three parts, the whole machine can obtain products with different performances.
    Small gear reduction electric motors


  1. The small gear reduction electric motors used in the motor is divided into: miniature AC motor (single phase: 220V, 110V; three phase: 220V, 380V), ZYT (SZ) series micro DC motor (frame number: 55~110; voltage: 12V, 24V , 48V, 110V, 220V), WZJ series brushless DC motor. The governor is divided into: TDK series AC electronic governor; WK, SK series DC stepless governor. The speed regulation is stable, there is no creeping phenomenon, and the frequent forward and reverse rotation of the motor can be ensured.


  1. Small gear reduction electric motors is widely used in all kinds of small light industrial machinery, packaging, food, textile, make-up (beauty) machinery, printing equipment, instruments due to its wide range of deceleration, high energy index, easy to use and reliable operation. And a variety of automation equipment, production lines.


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Yantai Bonway Manufacturer Co., Ltd



Whatsapp/Wechat: 008618563806647; Skype ID: qingdao411

Industrial gearbox manufacturer in China

As a Industrial gearbox manufacturer in China, We offer the international standard high quality gear speed reducer and reduction gearbox who has the big stock house to guarantee the prompt delivery Depending on the professional industry field solution, excellent industry field achievement and the leading technology application in Hoist&Crane, Sugar&Paper, Coal&Mining, Rubber&Plastic, Packing&Conveyors, Energy&Fans&Pumps, Cement&Construction, Sawmills&Wood Mills, Food&Butchering&Pharma, Chemical&Boilers&Ceramic, Recycling&Sewage disposal, Steel&Rolling Mill&Metallurgy, Textile&Ginning&Leather working and so on.