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Planetary reduction drive

Planetary reduction drive

planetary reduction drive, planetary gear reduction box, planetary reduction gearbox, small planetary gear drives, hydraulic planetary gear drive, planetary gear system, power wheel planetary gear drive, planetary ring gear

planetary reduction drive, which can supply a lot of speed reduction and torque in a system and  the planet carrier shaft drives at high speed, while the reduction issues from the sun gears. Sogears planetary drive supplys High torque and with a compact structure. Product Range Ratio:5~1400. Torque:0.46~736kNm. Product Features.

The general precision planetary reduction drive  is used for low-speed and high-torque transmission equipment, and the motor, the internal combustion engine or other high-speed running power is meshed with the gears on the input shaft of the gear reduction drive to mesh the large gears on the output shaft to achieve the purpose of deceleration. Ordinary speed gear reduction drive s will also have several pairs of identical principle gears to achieve the desired deceleration effect, the ratio of the number of teeth of the large and small gears is the transmission ratio. The Precision planetary reduction drive  is a power transmission mechanism that uses a gear speed converter to decelerate the number of revolutions of the motor to a desired number of revolutions and obtain a mechanism of a large torque.

Planetary gear reduction drive

Sogears Series planetary reduction drive  (01~8) , in using for Series Port Equipment, Mixer Planetary, of the center section planetary gears allowing Planetary reduction drive, swing and track drive applications be accommodated through output arrangements. With units available in many ratios, sizes, and materials, Our planetary reduction drive can be used singly or in combination to meet virtually any reduction requirement.

The role of the gear reduction drive, An industrial planetary reduction drive was selected and installed in the industry machines, The net crankshaft torque on the speed of Planetary reduction drive (gearbox) of a pumping unit is pressure angle results in increased gear dedendum strength, as well as the ability to withstand heavy shock loads. Compact, torque dense design. Modular, Reduction Ratio‎: ‎5:1 - 1400:1. and Areas of expertise include gear noise reduction, gear manufacturing sourcing, program ... Wind energy speed of Planetary reduction drive planetary drives 10KW to 1.5MW. The main featurs are as followings: 

  • Reduce the speed and increase the output torque at the same time. The torque output ratio is multiplied by the motor output and the reduction ratio, but it should be noted that the rated torque of the gear reduction drive cannot be exceeded.
  • The speed simultaneously reduces the inertia of the load, and the reduction of the inertia is the square of the reduction ratio. You can see that the general motor has an inertia value. Sogears planetary gear units are divided into 21 basic groups depending on the torque and The wide selection of output shafts and flanges simplifies the reduction stages.

Planetary reduction drivePlanetary reduction drive

-Types of gear reduction drive : Planetary, spur and special gearheads specifically designed for the brushless and brushed DC drives by maxon. Also customized. with The first toothed gear (pinion) is mounted directly on the motor shaft. The bearing of the output shaft is usually made of ... Reduction ratio of 6:1 to 5752:1. Low noise level. High efficiency. General gear reduction drive has helical gear reduction drive (including parallel shaft helical gear reduction drive , worm gear reduction drive , bevel gear reduction drive , etc.), planetary reduction drive , cycloid gear reduction drive , worm gear reduction drive , planetary friction type mechanical stepless speed changer, etc.

Compact design for saving space is available with collinear input and output. Multiple reduction ratio is available with combination of various planetary reduction drive. Installing some product range with mounting flanges and reduction sleeves. All our Customers trust us as their preferred partner for gear and planetary drive engineering.

-Types of common gear reduction drive, Based on the latest design and analysis technology, Hyosung Heavy Industries designs and manufactures gear boxes for steel, power, cement, rubber. A new compact design of three-stage differential cycloidal planetary gear drive based on the concept of the so-called RV-of Planetary reduction drive is proposed.  Our planetary gear, Wolfrom gear train, reduction gear, regulation .... valuable asset, as the output shaft stops as soon as power is cut to the drive, assembly is provided with a ring gear (16) and a sun gear ... Gear (28) is a flanged extension of sun gear (12) which drives pinions (14).

  • The main feature of the worm gear reduction drive is that it has a reverse self-locking function and can have a large reduction ratio. The input shaft and the output shaft are not on the same axis, nor on the same plane. However, the volume is generally large, the transmission efficiency is not high, and the accuracy is not high.
  • Harmonic transmission of harmonic gear reduction drive is the use of flexible deformation controllable elastic deformation to transmit motion and power, small volume, high precision, but the disadvantage is that flexible wheel life is limited, not impact resistant, rigid and metal parts Relatively poor. The input speed cannot be too high.
  • Precision planetary reduction drive has the advantages of compact structure, small return clearance, high precision, long service life and large rated output torque. But the price is slightly more expensive.
  • Inline and right angle execution up to 4 reduction stages, Sogears' range of mixer drives are planetary gear units modified to meet the operating requirements .

Planetary gear reduction drivePlanetary reduction drive

Planetary reduction servo drive is the weight of the gear transmission device of Planetary reduction servo drive. In general, the weight of li yi's mechanical and electrical gear has a great relationship with its material and heat treatment hardness.For example, at the same power, the weight of the carburized hardened gear will be about 1/3 of the weight of the tempered gear.Therefore, according to the structural characteristics of Planetary reduction drive and the load nature of gears, hardtooth surface gears should be widely used.There are many heat treatment methods to obtain gear with hard tooth surface, such as surface quenching, overall quenching, carburizing quenching, nitriding, etc., which should be selected according to the characteristics of Planetary reduction drive.

Chinese name Planetary reduction servo drive used for Planetary reduction servo drive gear drive weight reduction ratio of input speed and output speed ratio.Number of sets of planetary gears

directory

1 product advantages

2 product parameters

3 material and heat treatment

4 installation steps

5 surface hardening

Product advantage editor

It is compact structure, small return clearance, high accuracy, long service life, rated output torque can do a lot.But it's a little more expensive.Planetary reduction drive is generally used in limited space when the need for a higher torque, that is, small volume large torque, and its reliability and life are better than spur Planetary reduction drive.Spur Planetary reduction drive is used for low current consumption, low noise and high efficiency and low cost applications.Planetary reduction drive is characterized by small size, large output torque, high transmission efficiency, as long as there are these requirements can be used

Product parameter editing

Full load efficiency: transmission efficiency of of Planetary reduction drive under maximum load (output torque of fault stop).

Working life: the cumulative working time of Planetary reduction drive at rated load and rated input speed.

Rated torque: it is the torque that the rated life allows for long running time.When the output speed is 100 r/min, the life of Planetary reduction drive is the average life, beyond this value, the average life of Planetary reduction drive will be reduced.Planetary reduction drive fails when the output torque exceeds twice.

Edit material and heat treatment

The weight of the Planetary reduction servo drive planetary gear transmission device is generally proportional to the weight of the gear, and the weight of the gear has a great relationship with the material and heat treatment hardness.For example, at the same power, the weight of the carburized hardened gear will be about 1/3 of the weight of the tempered gear.Therefore, according to the structural characteristics of Planetary reduction drive and the load nature of gears, hardtooth surface gears should be widely used.There are many heat treatment methods to obtain gear with hard tooth surface, such as surface quenching, overall quenching, carburizing quenching, nitriding, etc., which should be selected according to the characteristics of Planetary reduction drive.

Planetary reduction drive

In Planetary reduction drive family, the Planetary reduction drive with its small size, high transmission efficiency, wide reduction range, high precision many advantages, and is widely used in servo, stepping, dc and other transmission systems.Its function is in the premise of ensuring precision transmission, mainly used to reduce the rotation speed and increase torque and reduce the load/motor rotational inertia ratio.In order to help the majority of users to make good use of the Planetary reduction drive, this paper analyzes the causes of Planetary reduction drive and the drive motor shaft breaking, and introduces in detail how to properly install the Planetary reduction drive.

Correct installation, use and maintenance of of Planetary reduction drive is an important link to ensure the normal operation of mechanical equipment.Therefore, when you install the Planetary reduction drive, please be sure to strictly follow the following installation related matters, carefully assemble and use.

The first step is to confirm whether the motor and Planetary reduction drive are intact before installation, and strictly check whether the size of each part connected with the motor and Planetary reduction drive matches, here is the size of the positioning boss, input shaft and Planetary reduction drive groove of the motor and matching tolerance.

The second step is to unscrew the screw on the outer dustproof hole of Planetary reduction drive flange, adjust the clamping ring of PCS system to align the side hole with the dustproof hole, insert the inner hexagon to tighten.After that, remove the motor shaft keys.

Surface hardening editing

Common surface quenching methods are high-frequency quenching (for small gears) and flame quenching (for large gears).The surface hardened layer works best when it includes the base of the tooth root.The common material for surface quenching is steel whose mass fraction of carbon is about 0.35%~0.5%. The hardness of tooth surface can reach 45~55HRC.

Connection mode between of Planetary reduction drive and servo motor: holding mode - output shaft of servo motor extends into of Planetary reduction drive, servo motor and Planetary reduction drive are connected by flange. There is a deformable hoop in Planetary reduction drive. By operating the locking screw on Planetary reduction drive, the hoop can tighten the axis of the servo motor (the author has a 0.75KW servo motor with this connection). So for this connection mode, servo motors do not require keyway (of course, keyway can also be, but ordering keyway servo motors requires Money and delivery time are longer yo @ @). A kind of
Connecting mode of_of Planetary reduction drive and servo motor: Connecting through external coupling. This connection mode uses external coupling, so it needs servo electric and keyway. External coupling can also use flexible coupling (flexible shaft) - soft shaft drive power generally does not exceed 5.5KW, speed can reach 20000 rpm. A kind of
Generally speaking, the servo motors without brakes and keyways are the most used and the suppliers'stock is the largest. Therefore, to order the servo motors with brakes and keyways, the delivery period is longer, about 4 weeks.

Planetary reduction drive in the use of the process there will be some noise, the emergence of the noise, how to deal with it?

Planetary reduction drive

The noise of Planetary reduction drive is mainly caused by the friction, vibration and collision of the transmission gears. How to effectively reduce and reduce the noise to make it more in line with the requirements of environmental protection is also a key research topic at home and abroad.Reducing the gear transmission noise of Planetary reduction drive has become an important research topic in the industry. Many scholars at home and abroad regard the change of gear tooth engagement stiffness in gear transmission as the main factor of gear dynamic load, vibration and noise.By modifying the shape, the dynamic load and velocity fluctuation are minimized to reduce the noise.This method has proved to be more effective in practice.But with this method, the process needs to have shape modification equipment, the majority of small factories often can not be implemented.

Planetary reduction drive is a kind of of Planetary reduction drive, what is the transmission structure of planetary gear?Let's take a look.

 

A planetary gear includes a sun wheel, a planetary wheel, and a gear ring, wherein the planetary wheel is supported by a fixed axis of the planetary frame, allowing the planetary wheel to rotate on the supporting axis.The planetary wheel, the sun wheel and the gear ring are in constant meshing state.

 

Located in the center of the planetary gear transmission mechanism is the sun wheel, the sun wheel and the planet wheel often engage, two external gear meshing rotation direction is opposite.Just as the sun is at the center of the solar system, the solar wheel is named for its location.Gear ring is the inner gear, it and the planet wheel often meshing, is the inner tooth and the outer gear meshing, the rotation direction between the two is the same.The number of planetary gear depends on the design load of the Planetary reduction drive, usually three or four, the more the number of bear the load is greater.

 

The above is the Planetary reduction drive gear transmission structure of the main content.

Planetary speed of Planetary reduction drive is a kind of speed of Planetary reduction drive, then, the planetary speed of Planetary reduction drive in the process of using the cause of the shaft break what?Let's take a look.

 

1. The wrong type selection causes insufficient output torque of the Planetary reduction drive.

 

Some users in the model selection, mistakenly as long as the selected rated output torque Planetary reduction drive to meet the work requirements can be, in fact, it is not, one is the rated output torque of the motor rated output torque times deceleration ratio, the value obtained in principle should be less than the product sample to provide similar Planetary reduction drive rated output torque.The other is to consider the overload capacity of the drive motor and the maximum operating torque required in practice.

 

2. In the process of acceleration and deceleration, the instantaneous torque borne by the output shaft of the Planetary reduction drive exceeds 2 times of its rated output torque, and such acceleration and deceleration is too frequent, which will eventually make Planetary reduction drive break the shaft.

 

Theoretically, the maximum operating torque required by the user must be less than 2 times the rated output torque of the Planetary reduction drive, especially in some applications must strictly comply with this criterion.This is not only to protect the Planetary reduction drive, but also to prevent the output shaft of Planetary reduction drive from being twisted off.The main reason is that, if there is a problem in equipment installation, the output shaft of the Planetary reduction drive and its load are stuck, the overload capacity of the driving motor will still make it constantly increase the output force, which may cause the force of the output bearing of the Planetary reduction drive to exceed its rated output torque 2 times and thus twist the output shaft of the Planetary reduction drive.

Precision planetary reduction drive  

    Product Description:

  1. There are two main types according to the output direction: straight type and right angle type; Planetary gear systems are used to perform speed reduction due to large torque. to predict gear noise from a rear wheel drive automatic transmission.
  2. There are generally three types according to the number of stages: one-stage deceleration (generally less than 10:1), two-stage deceleration (generally greater than 10:1 and less than or equal to 100:1), and three-stage deceleration (large reduction ratio is 100) :1, the general division principle is greater than 100:1);
  3. According to the purpose: military and civilian;According to the operating environment: standard environment, low temperature environment, clean room environment and vacuum environment;
  4. Our speed of Planetary reduction drive planetary gear for heavy-duty applications, including; conveyers, cranes, crawlers, and excavators. With the schlumpf mountain drive you gain additional very low gears which enable you go climb the most extreme torque Gears: 1:1 and 2.5:1 reduction gear ratio.

Planetary gear reduction drive

The first step is to confirm whether the motor and Planetary reduction drive are in good condition before installation, and strictly check whether the size of each part connected with the motor and Planetary reduction drive is matched. Here are the size and matching tolerance of the positioning boss, input shaft and Planetary reduction drive groove of the motor.

Step 2: unscrew the screw on the outer dustproof hole of of Planetary reduction drive flange, adjust the clamping ring of PCS system to align the side hole with the dustproof hole, insert the inner hexagon to tighten.After that, remove the motor shaft keys.

The third step is to connect the motor with Planetary reduction drive naturally.The concentricity of the output shaft of Planetary reduction drive and the input shaft of the motor must be consistent when connected, and the outer flange of the two must be parallel.If the concentricity is not consistent, the motor shaft will be broken or of Planetary reduction drive gear wear.

In addition, in the installation, do not use hammer and other blows, prevent the axial force or radial force too much damage to the bearing or gear.Be sure to tighten the mounting bolt before tightening the force bolt.Before installation, wipe away the anti-rust oil of motor input shaft, positioning boss and connecting part of of Planetary reduction drive with gasoline or zinc-sodium water.Its purpose is to ensure tight connection and flexibility of operation, and prevent unnecessary wear and tear.

Planetary reduction drivePlanetary reduction drive

Before the motor and Planetary reduction drive are connected, the motor shaft keyway should be perpendicular to the tightening bolt.To ensure a uniform force, first screw the installation bolts at any diagonal position, but do not screw tight, then screw the installation bolts at the other two diagonal positions, and finally screw the four installation bolts one by one.Finally, tighten the force bolt.All tightening bolts shall be fixed and checked by the torque plate hand according to the indicated torque data.

Correct installation between of Planetary reduction drive and mechanical equipment is the same as correct installation between of Planetary reduction drive and drive motor.The key is to ensure that the output shaft of Planetary reduction drive and the drive part of the shaft concentricity.

servo motor of Planetary reduction drive Planetary reduction drive of Planetary reduction drive rated input speed up to 18000 RPM (about of Planetary reduction drive itself size, the greater the speed of Planetary reduction drive, the smaller the rated input speed) above, industrial-grade servo motor of Planetary reduction drive output torque is generally not more than 2000 nm, special large torque servo motor of Planetary reduction drive can do more than 10000 nm. Working temperature in 25 ℃ to 100 ℃ or so, by changing the grease can change its working temperature.Planetary reduction drive: the main transmission structure is: planetary wheel, solar wheel, outer gear ring.Compared with other reduction gear, servo motor reduction gear has high rigidity, high precision (single stage can achieve less than 1 point),(double stage can achieve less than 3 points), high transmission efficiency (single stage in 95-99%), high torque/volume ratio, life maintenance free features.Because of these characteristics, servo motor of Planetary reduction drive is mostly installed in the stepper motor and servo motor or brushless motor, used to reduce the speed, improve the torque, matching inertia.Rated input speed of servo motor of Planetary reduction drive can reach up to 18000rpm(related to the size of Planetary reduction drive itself.

 

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Date

06 September 2019

Tags

Planetary gear

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