Tag Archives: high precision planetary gearbox

China OEM Zde/Zdf/Zds/Zdwf High Precision Planetary Gearbox (Spur) with Best Sales

Item Description

Item Description
higher demand from customers output tailored cnc router gear box
Brief introduction:
*Principle
Gear box is used to transfer rotation and torque from motor to working machine,
*Function
the function is to decrease speed by gears and increase torque.
*Major specification
one.     low backlash
2.     substantial output torque-the industry’s greatest torque density
3.     well balanced motor pinion
four.     large efficiency(up to ninety eight%)
5.     ratio 3:1 to 1000:1
6.     lower sound
7.     operable in any mounting positions
8.     lifetime lubrication
Application
*Filed:
Be commonly used for supplies handing products, engineering machinery,metallurgy business,mining industry,petrochemical market, building equipment,textile business, medical apparatus and instruments, instrument and meter market,vehicle market,marine market,weapons market, aerospace field,and so on.
 
*case:

 

Our full generation approach strictly adhered to the ISO9001 high quality manage system, our larger good quality , sophisticated products and technology make sure a guarantee in leakage-evidence , retention and   period !

 

Your OEM orders are also warmly welcomed, it is our commitment to satisfy your requirement, you should turst that we will be your reputable company spouse for our very good reputation,good high quality and competitive price tag !

 

Kinds, Applications, and Lubrication of Planetary Gearboxes

A Planetary Gearbox is a gadget that can be utilized in a assortment of purposes. Their reduction ratios count on the amount of teeth in every single equipment. In this report, we will discuss the sorts, applications, and lubrication of planetary gearboxes. With any luck ,, this post will be of assist to you. If not, you can examine out this post and learn far more about this interesting machine. There are numerous different kinds of planetary gearboxes.
planetarygearbox

Apps of planetary gearboxes

The planetary gearbox is a well-liked choice for apps requiring precise positioning. Apps of the planetary gearbox assortment from plastic machinery to agricultural equipment, from items & personnel lifts to industrial robotics. Some of the industries that gain from this variety of gearbox consist of robotics, intra-logistics, robotics for industrial automation, and health care gear. Rising automation is also fueling the development of the industrial planetary gearbox industry in APAC.
The compact layout of planetary gears helps make them superb for minimizing load inertia and maximizing torque. However, some purposes call for additional lubrication for sustained efficiency or large speeds. CZPT utilizes CZPT in its planetary gearboxes. In addition, lubrication stops gear use and minimizes sound and vibration. The planetary gearbox is also easy to put in, thanks to its lower-mass-inertia layout.
Another application of the planetary gearbox is in axles and transfer cases. The planetary equipment architecture consists of a sun gear, also named the central gear, and a ring-gear with inner tooth that are concentric to the sun gear. The two gears are linked by way of a carrier, and the output shaft is positioned on the ring-equipment provider. The gearbox can be configured in a range of methods, relying on the velocity-ratio specifications.
The planetary equipment practice is equivalent to that of a photo voltaic program. It includes a sun equipment 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 world gears are in continuous mesh with each and every other, and energy utilized to 1 of these members will rotate the whole assembly. They are a extremely effective option for a lot of applications.

Kinds

There are a few varieties of planetary gearboxes, depending on their efficiency and effectiveness. The standard design is highly effective and transmits up to 97% of electrical power enter. Dependent on the velocity and torque that require to be transmitted, planetary gearboxes are employed in numerous various purposes. A planetary gearbox can lessen the velocity of a roller or produce a more specific level of movement. Using a planetary gearbox for your printing push, for example, will maximize your equipment transmission ratio.
This market place research report analyzes the factors influencing the marketplace for Planetary Gearboxes, as well as their sales and revenues. It also highlights market trends and particulars the competitive landscape. It also provides a extensive investigation of the Planetary Gearbox sector and its drivers and restraints. It gives in depth info on the market place dimension and potential progress potential customers. The review also involves an extensive dialogue of the aggressive landscape, determining the top companies and crucial market gamers.
A planetary gearbox is typically utilized to manufacture complex machines. These gears are normally manufactured of higher-top quality metal, which tends to make them incredibly durable. Planetary gearboxes can also be employed in the creation of hefty machine elements. There are several rewards of a planetary gearbox, which includes its compactness and lower mass inertia. The main gain of a planetary gearbox is its potential to distribute torque. In contrast to a standard gearbox, planetary gearboxes can supply torque that is practically three occasions increased than its standard counterpart.
The three principal sorts of planetary gears are the one-stage, compound, and multi-stage. The general principle of a planetary gear is referred to as a compound planetary equipment. This indicates that planetary gears are made up of a single of these three fundamental buildings: a meshed-planet framework, a shaft, and a multi-phase construction. This kind of gear has numerous levels and is specifically beneficial for fast-dynamic laser slicing devices.
planetarygearbox

Layout

A planetary gearbox is comparable to a car’s transmission. All of its gears should have a particular amount of tooth and be spaced equally aside. The teeth of a world must mesh with the gears of the ring and sunlight to be functional. The amount of tooth needed will count on the variety of planets and their spacing. This equation is a great starting up point for planning a gearbox.
The dynamic qualities of planetary gears are investigated making use of a parametric design. The stiffness of the mesh alterations as the variety of equipment tooth pairs in make contact with varies in the course of the gear rotation. Small disturbances in style realizations result in nonlinear dynamics, which outcomes in sounds and vibrations in the equipment transmission. A mathematical program describing this procedure is produced making use of the basic principles of analytical mechanics. This mathematical model can be utilised to optimize any planetary gear.
This evaluation assumes that the sunshine gear and planet gears have the identical style modulus, which is a fundamental need of any mechanical equipment. In reality, the ratio of these two gears is 24/sixteen vs . -3/2. This means that a planetary gearbox’s output torque is 41.1 instances the enter torque. Considering this element, we can make an precise estimate of the total torque. The planetary gears are mounted confront-to-encounter and related to an electrical motor.
A planetary equipment established has to have a particular number of enamel that are odd or even. 1 way to get over this concern is to double the amount of enamel on the solar gear and the annulus equipment. This will also solve irregularities. An additional way to design a planetary gear established is to use the appropriate diametral pitch and module. There are several planetary gear sets offered on the industry, so it pays to understand the variances.

Lubrication

Lubrication for Planetary Gearboxes is essential for the sleek performing of the equipment. Planetary gears are subjected to substantial ranges of friction and warmth, so they require typical lubrication. The gear housing is designed to dissipate warmth absent from the gear, but warmth can even now enter the gear, which can result in a very poor lubrication condition. The best lubrication solution is artificial oil, and the equipment need to be refilled with a bare minimum of thirty % oil.
When lubricating a planetary gearbox, it is important to note that hydraulic oil is not suited for planetary gearboxes, which value in excess of $1500. Hydraulic oil does not have the same viscosity and behavior with temperature fluctuations, creating it less powerful. The planetary gearbox may possibly also overheat if a hose is not provided for circumstance draining. A case drain hose is important to avert this from occurring, because very hot oil can result in overheating of the gearbox and damage to the gears.
Oil shipping conduits are positioned amongst every pair of earth gears. Each and every oil supply conduit directs clean oil toward the sunshine equipment and the planet gear. The oil then disperses and exits from the gear prepare with significant tangential velocity. The oil is redirected into a assortment channel (56). The desired embodiment employs herringbone gears, which pump oil axially outward into the channels.
The very best way to choose the proper sort of lubrication is to think about its viscosity. Also substantial a viscosity will avert the lubricant from flowing correctly, which will trigger steel-to-metallic speak to. The oil need to also be suitable with the gearbox temperature. A suitable viscosity will increase the performance of the gearbox and avert downtime. A trustworthy gearbox will in the end end result in larger profits and fewer charges.
planetarygearbox

Apps

This report examines the Industrial Planetary Gearbox Marketplace and its current developments. It identifies the pre and put up-COVID-19 outcomes of the industry. It outlines the benefits and down sides of the industrial planetary gearbox market. The report also clarifies the assorted financing methods and company models of the market place. It includes the essential gamers in the sector. Hence, it is crucial to go through this report carefully.
The report involves analysis and forecasts of the worldwide market for planetary gearbox. It involves the product introductions, key organization variables, regional and kind segments, and conclude-end users. It covers the income and income of the market for every single software area. The report also includes the regional and country-degree market knowledge. It also focuses on the marketplace share of the key companies working in the sector. It handles the aggressive scenario in the worldwide planetary gearbox market.
Another common software for planetary gearboxes is in the toy sector. It is feasible to design toys that search stunning with planetary equipment techniques. In addition to toys, clock makers also gain from the planetary arrangement. In addition to making a excellent-seeking clock, this gearbox can reduce inertia and enhance its efficiency. The planetary gearbox is easy to maintain, which helps make it a good option for clock purposes.
In addition to classic equipment reductions, planetary gears are also utilised for 3D printing. Their large gear ratio makes 3D printing simpler. Additionally, planetary gears are used to drive stepper motors, which flip much quicker and make a preferred output. There are several industrial uses for planetary gearboxes. This post has explored a number of of the most widespread kinds. And do not neglect to explore their utilizes.

China OEM Zde/Zdf/Zds/Zdwf High Precision Planetary Gearbox (Spur)     with Best SalesChina OEM Zde/Zdf/Zds/Zdwf High Precision Planetary Gearbox (Spur)     with Best Sales

China high quality CZPT Transmission-High Precision Low Noise Helical Gear Planetary Speed Reducer Gearbox for Servo Motor with Hot selling

Product Description

Precision planetary gear reducer is a new-technology of merchandise produced by our company, with a compromise of superior technology each at property and overseas, its main attributes are as follows:

1. Reduced sound: underneath 65db.

2. Reduced backlash: within 3 arcmin.

3. Large effectiveness: ninety seven% for 1 phase, 94% for 2 stages.

4. High input pace: Rated enter velocity 3000rpm, max enter pace 6000 rpm.

5. Large output torque: higher torque output than that of typical planetary equipment reducer.

6. Higher balance hardening,which extends equipment service daily life and preserve substantial precision as new following a long interval of operation.

 

Precicion planetary gear reducer is extensively utilized in the subsequent fields:

one. Aerospace industries.

two. Health care overall health, electronic info industries.

3. Industrial robots, productin automation, CNC equipment device production industries.

four. Motor,textile,printing,foods,metallurgical,envrironment defense engineering, warehouse CZPT industries.

 

About Xingda given that 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a chief manufactur in system subject and punching/stamp
ing area since 1984. Our primary solution, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave achieved the sophisticated technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can take orders
of  non-normal products, this sort of as gears, shafts, punching areas ect, in accordance to customers’ Drawings or sam-
ples. 

Our business has complete set of tools including CNC, lathes, milling equipment, gear hobbing device, g-
ear grinding machine, gear honing machine, gear shaping device, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing devices and s-
o on. We have sophisticated screening equipments also. 

Our business has recognized favorable cooperation interactions with sub-suppliers involving casting, raw mat-
erial, warmth remedy, surface area finishing and so on.

                                                               

Planetary Gearbox Factors

The standard components of a planetary gearset are an enter, output, and stationary position. Various varieties of planetary gearboxes will have diverse output ratios and torques. A leading business for planetary gearbox style, CZPT, gives the needed elements. These parts can fluctuate in equally male and female shafts and arrive with a range of modular possibilities. Listed here are a number of issues to think about about every element.

CFHK Series

The CFHK Series is a multistage planetary gearbox that consists of a number of planetary gears. The a number of teeth of each planetary equipment mesh concurrently throughout operation to enhance the transmittable torque. The gears are scenario hardened and ground, and the ratios of the planetary gears are integers. They were first functionally explained by Leonardo da Vinci in 1490. Right now, the CFHK Sequence is a favourite between automotive engineers and manufacturers.
The CH Series gives high precision with a compact design and style and circumstance hardened, hypoid, and helical gearing. These gearboxes are also accessible in the CFXR collection, with lower backlash and friction. These planetary gearboxes are made to offer high torque and high precision in a range of apps. In addition, the CFXR sequence characteristics a hundred% helical gearing and low backlash.
The CFHK Series functions a sunlight equipment that drives the subsequent phase. These gears can be put in series or serially in the identical housing. In some cases, the output shaft of the initial stage gets to be the enter shaft of the 2nd stage. In addition, ring gears are also utilised as structural areas of scaled-down gearboxes. An instance of a planetary gearbox is the pencil sharpener mechanism. The pencil is positioned on an axis that is set on a sunshine gear. The solar gear drives the next planet stage.
A planetary equipment unit’s equipment ratio is established by the quantity of tooth in the solar gear and ring gear. The scaled-down the sunshine gear, the more compact the ratio among the sunshine equipment and earth gears. The biggest equipment ratio in a planetary gear device is 10:1. A increased quantity of enamel will increase the transmission ratio. In buy to optimize torque, the planetary gears must be rearranged. A smaller sized sunlight gear will have higher torque than a huge ring equipment.
planetarygearbox

CFX Sequence

The HPN Harmonic Planetary(r) Collection planetary gearboxes supply a minimal-price answer with high-efficiency and large-trustworthiness. This modular design is effortless to install and needs quite minor maintenance. Its planetary style and total enhance of needle rollers let for extended existence and tranquil procedure. In addition, the HPN Harmonic Planetary(r) Series is accessible in a variety of measurements.
The compact size and large-pace design of planetary gearboxes results in superb warmth dissipation. Nonetheless, substantial-speed or sustained functionality purposes could need lubricants. A planetary gearbox will have scaled-down minimum methods to reduce sound and vibration. Planetary gears will give you the maximum degree of performance although minimizing noise. As a end result, they can supply high-good quality 3D prints.
A planetary equipment train is composed of a ring gear and world gears, each supported by a carrier. A ring gear is pink, even though the solar equipment is crimson. The solar equipment and carrier rotate about every single other at a forty five-degree angle. This is also acknowledged as an epicyclic gear. Planetary gearboxes are typically discovered in place-constrained apps. The CFX Series features a compact layout and superb performance.
The CFX Series attributes a strong style that is simple to set up. Its compact dimension makes set up of planetary gearboxes easier and more rapidly. They are offered in three different configurations for constant, intermittent, and counter-clockwise operation. The CFX Sequence offers the perfect remedy for your accelerating requirements. They are a fantastic remedy for any automotive or industrial software. You can simply configure the CFX Series to satisfy your specific demands.

CAP Series

The Candy Controls CAP Collection is a new generation of compact, precision planetary gearboxes that merge large torques with minimal backlash and extraordinary put on resistance. This rotary flange planetary gearbox is ideal for a selection of industrial, mining and maritime purposes. Its modular building permits consumers to very easily mount different stages, hydraulic or electric motors, and diverse types of gears. Its CPH Collection features an really rigid alloy metal housing, carburized gears, and induction hardened gears.
The CAP Series makes use of numerous planetary gears for higher torque transmission. The quantity of planetary gears is not fixed, but most planetary gearboxes use at the very least three. The more substantial the number of planetary gears, the larger the transmittable torque. A planetary gearbox is composed of a number of planetary gears with a meshing action that happens simultaneously for the duration of procedure. The end result is a larger efficiency and a smoother, quieter procedure than a traditional gearbox.
The VersaPlanetary selection functions modular layout for simple set up. This technique contains mounting plates for normal Very first (r) Robotics Competitiveness motors. The mounting plates are designed to in shape every motor. These planetary gearboxes are compatible with numerous kinds of motors, from small electric powered motors to massive, hefty responsibility types. They are also suitable with a variety of mounting programs, such as CIM motors.
planetarygearbox

CAPK Collection

The CZPT APK Series is a higher precision, rotary flange design planetary gearbox. Its scenario hardened and ground gears are developed to offer excellent dress in resistance, reduced backlash, and excellent precision. The CAPK Sequence delivers large axial and moment load capacities in a compact housing. CZPT is the globe leader in the production of planetary gearboxes. The CAPK Collection features an array of substantial-top quality, revolutionary functions.
CZPT Sensible Lubrication engineering is utilized to hold the gears effectively-lubricated and minimize sounds and vibration. The planetary gearbox’s 3-gear style is ideal for Do-it-yourself CNC robotics. This sequence has a lengthy heritage of top quality, and CZPT makes use of only the greatest elements. The CZPT 3:1 High Precision Planetary Gearbox is an outstanding choice for CNC Robotics and other purposes.
A multi-phase planetary gearbox combines personal ratios for a higher variety of ratios. Added planetary gears increase the transmittable torque. The path of the output and push shaft are often identical. The CAPK Sequence features a substantial-good quality, tough design. They are created from stainless metal and supply a lengthy-term warranty. They are the ideal selection for industrial and commercial applications. Although planetary gears are far more pricey, they are hugely productive.

CFH Series

The Candy CFH Series planetary gearboxes offer the benefits of a modular design and style and a low backlash. They offer a selection of dimension options and outstanding durability. This planetary gearbox is compact and wear resistant. The CFH Series planetary gearbox has a carburized, induction hardened gears and a rigid alloy metal housing. Its reduced backlash and precision make it an excellent decision for industrial programs.
The CFH Sequence planetary gearbox is a highly successful, high-speed helical gear. The compact design of this gearbox final results in high heat dissipation and lower mass inertia. Planet provider bearings encounter substantial lateral forces from the transmission of torque. As a end result, radial and axial forces oppose each and every other. The consequence is that the torque is distributed above three gears, decreasing sounds, vibration, and use.
The planetary gearbox has three principal components: a sun equipment (also recognized as the enter gear), a ring equipment, and two earth gears. These are connected by a carrier that rotates about a 45-degree clockwise axis. The CFH Sequence of gears is available in triple and double levels. They can also be employed in electrical motors. As a outcome, the CFH Series is very adaptable.
The CFH Collection of planetary gearboxes can be discovered in all kinds of purposes, which includes automotive transmissions. Their compact layout and higher-performance functionality make them a well-known decision for area-constrained programs. This gearbox has many benefits and is a wonderful substitute to a traditional helical gearbox. These gearboxes are very successful for decreasing torque and pace, and are compact adequate to match in most purposes.
planetarygearbox

CZPT

If you require a higher-good quality planetary gearbox, the CZPT Planetary Collection is the appropriate option. This Italian company styles and manufactures gearboxes in its San Polo d’Enza, Italy, facility with eleven department workplaces and three generation amenities. The business is making an attempt to replicate the achievement of the Italian Tremendous Automobile market, which has gained worldwide recognition. The company offers a assortment of gearboxes for use in large industry, agriculture, offshore, aerial and marine work.
With over forty years of knowledge, CZPT manufactures a extensive variety of high-quality gearboxes. From bevel-helical models to Helical models, wheel gears and negative brakes, the business has been producing high quality components for a lot of industries. CZPT is a trusted Australian distributor of CZPT gear elements. The business is devoted to providing the ideal planetary gears for every industry.
If your CZPT Planetary gearbox is malfunctioning, you can have it fixed speedily and easily. The firm uses quality supplies and a assortment of sizes and output ratios to cater to the most demanding apps. In addition, you can customize your gearbox to go well with your distinct needs. CZPT Planetary Gearboxes are extremely versatile and customizable, giving infinite scalability.

China high quality CZPT Transmission-High Precision Low Noise Helical Gear Planetary Speed Reducer Gearbox for Servo Motor     with Hot sellingChina high quality CZPT Transmission-High Precision Low Noise Helical Gear Planetary Speed Reducer Gearbox for Servo Motor     with Hot selling

China manufacturer Zd Horizontal Type High Precision Square 120mm Zdf Planetary Gearbox near me shop

Merchandise Description

ZD Horizontal Variety High Precision Square 120mm ZDF Planetary Gearbox

Merchandise Description

The large-precision planetary gearbox adopts spur gear design and style, and is utilised in different manage transmission fields with servo motors, this kind of as precision device resources, laser cutting equipment, battery processing products, and so forth. It has the rewards of massive torsional rigidity and huge output torque. The backlash of the ZDF series is much less than 8 arc.min and the reduction ratio handles 3~512K.

The Product Advantages of Planetary Gearbox:
1.Adaptable composition style, in line with numerous operating situations.
two.Ring gear processing technologies: Making use of interior equipment slotting device and hobbing machine the precision of ring gear after processing can reach GB7.
3.Hardened gear secondary scraping engineering: secondary substantial-velocity dry cutting of gear removes equipment deformation brought on by warmth treatment. Equipment precision can reach GB6.
4.Reputable backlash testing.

How to Read:
120 ZDF 20  ( )  (S) -750   T1
  a      b    c    d     e     f       g
 

 

Spesifications

 

 

Demensions(Device: mm):  

 

In depth Images

 

System

Solitary assist system
one.The planetary gear is put at 1 end of the output shaft.
2.The output shaft bearing is placed at 1 end of the planetary gear.
3.Different solar gear and coupling.

Compact output shaft mechanism
It adopts the design of output shaft integrated system, compact framework, high rigidity, and it can withstand large affect. Place the enter CZPT and the solar equipment at the middle of the output shaft to increase the concentricity of the components, therefore successfully controlling the gear clearance and enhancing the backlash of the entire gearbox.

 

Construction

Ring gear construction
The integral construction of the ring equipment and the output flange enhances its rigidity and lowers misassembly.

 

Much more details

Far more goods,make sure you click listed here…

Firm Profile

Shipping

Our Solutions

one.Maintenance time & Warranty: 1 calendar year following leaving factory.

two.Other services: Like modeling assortment guidebook, set up guidebook, and problem shooting guide, etc.

FAQ

Q: What’re your main goods?
A: We at present produce Brushed DC Motors, Brushed DC Equipment Motors, Planetary DC Gear Motors, Brushless DC Motors, AC Motors, Substantial Precision Planetary Gearbox and Precision Cycloidal Gearbox and so on.. You can check the technical specs for previously mentioned motors on our web site and you can e mail us to advocate necessary motors per your specification also.

Q: How to select a appropriate motor or gearbox?
A:If you have motor images or drawings to demonstrate us, or you have thorough technical specs, this kind of as, voltage, pace, torque, motor dimension, operating mode of the motor, required life time and sound degree and many others, you should do not be reluctant to allow us know, then we can advocate suitable motor per your ask for appropriately.

Q: Do you have a custom-made services for your common motors or gearboxes?
A: Sure, we can customise for every your ask for for the voltage, pace, torque and shaft dimensions/condition. If you need to have further wires/cables soldered on the terminal or need to insert connectors, or capacitors or EMC we can make it also.

Q: Do you have an individual layout provider for motors?
A: Sure, we would like to design and style motors individually for our buyers, but some variety of  molds are necessory to be developped which may possibly need exact value and design charging. 

Q: What is actually your direct time?
A: Generally speaking, our normal regular product will require fifteen-30days, a little bit for a longer time for tailored merchandise. But we are very versatile on the guide time, it will rely on the certain orders.

Planetary Gearbox Basics

If you’re in the industry for a new Planetary Gearbox, you’ve got occur to the correct spot. There’s much more to these mechanical wonders than just their title. Learn about Spur gears, helical gears, and different sizes. Soon after you have go through this report, you may know exactly what to look for when purchasing for a new one particular. And you will also be able to avoid typical blunders made by beginner mechanics.
planetarygearbox

Wheel push planetary gearboxes

Planetary gearboxes have quite a few rewards above traditional gearboxes. Their compact layout is advantageous for servo capabilities. Their lubrication is a essential feature to sustain smooth operation and keep away from hurt to the gears. Some manufactures use CZPT to make certain correct operating. These gearboxes have almost three moments the torque of standard gearboxes while remaining compact and reduced in mass.
The planetary gears are created of a few distinct types. Each and every kind has an input and output shaft. The input and output shafts are usually coaxially arranged. The input and output shafts are connected to each other by way of a provider. The provider rotates with the planetary gears. The sun equipment is the input gear and is generally 24 tooth in diameter. The outer gears are linked to the sunlight gear by means of rings of gears that are mounted all around the sunshine equipment.
Planetary gearboxes are also employed in wheeled and tracked cars. They are also utilised in winch methods, which elevate and decrease masses. Standard programs contain hefty equipment, this sort of as cranes and earthmovers. Wheel drives are also extensively used in municipal and agricultural autos, as nicely as substance managing vehicles. The wheel generate is generally mounted immediately into the wheel rim. A wheel drive might be equipped into two, a few, or even 4 wheels.
A planetary gear set could be utilised in levels to give distinct transmission charges. In get to pick the right gearbox for your software, contemplate the torque, backlash, and ratio you need. Then, contemplate the surroundings in which the gearbox is used. Dependent on its spot, it may well want to be protected from temperature, water, and other elements. You can find a vast range of distinct sizes in the market.

Spur gears

There are two fundamental types of gearheads: planetary and spur gearheads. Every has its advantages and drawbacks depending on the application. This article will talk about the variances among these two kinds of gearheads. Spur gearheads are frequently used for transmission applications, while planetary gearheads are a lot more broadly employed for motors. Spur gearheads are considerably less pricey to produce than planetary gearheads, and they are a lot more adaptable in design and style.
There are several distinct varieties of spur gears. Among them, a 5:1 spur equipment generate ratio indicates that the sunlight gear must rotate 5 instances for every revolution of the output provider. The wanted number of enamel is 24. In metric methods, the spur gears are referred to as mm and the moon gears as modules. Spur gears are used in several different varieties of programs, which includes automotive and agricultural equipment.
A planetary geartrain is a mixture of ring and spur gears, which mesh with each other. There are two types of planetary geartrains: basic planetary gears and compound planetary gears. Spur gears are the most typical sort, with a sunlight equipment and ring equipment on both facet of the solar. Basic planetary gears function a one solar and ring equipment, although compound planetary gears use several planets.
A planetary gearbox is made up of two or far more outer gears, which are organized to rotate close to the sunshine. The outer ring gear meshes with all of the planets in our photo voltaic program, while the sunshine gear rotates all around the ring equipment. Because of this, planetary gearboxes are really productive even at reduced speeds. Their compact design tends to make them a desirable option for place-constrained purposes.
planetarygearbox

Helical gears

A planetary helical gearbox has two phases, each with its own enter velocity. In the study of planetary helical equipment dynamics, the base circle radius and complete-depth involute teeth are added to the ratio of every equipment. The tangential situation of the planets affects the dynamic amplifications and tooth forces. The tangential situation error is an critical element in comprehending the dynamic behaviour of helical planetary gears.
A helical gearbox has teeth oriented at an angle to the shaft, producing them a far better decision than spur gears. Helical gears also run smoothly and quietly, although spur gears create a thrust load throughout procedure. Helical gears are also utilised in enclosed gear drives. They are the most typical variety of planetary gearbox. Even so, they can be costly to make. No matter whether you pick to use a helical or spur gearbox relies upon on the variety of gearbox you need to have.
When selecting a planetary equipment, it is essential to comprehend the helix angle of the equipment. The helix angle impacts the way the planetary gears mesh, but does not alter the fundamentals of planetary phasing. In every mesh, axial forces are released, which can either cancel or enhance. The same applies to torques. So, if the ring equipment is positioned at an angle of zero, helical gears will boost the axial forces.
The variety of enamel on the planets is a variable parameter that have to be deemed in the design phase. Irrespective of how numerous tooth are present, every planet have to have a specific amount of tooth spacing to mesh effectively with the ring or solar. The tip diameter is generally unidentified in the conceptual design stage, but the pitch diameter could be utilised as an initial approximation. Asymmetrical helical gears may possibly also result in unwanted sounds.

Numerous measurements

There are many measurements and kinds of planetary gearboxes. The planetary equipment sets characteristic the sunlight equipment, the central gear, which is typically the input shaft, and the world gears, which are the outer gears. A provider connects the earth gears to the output shaft. The principal and secondary features of the planetary gearbox are important aspects to consider. In addition to these, there are other things to take into account, such as the price, delivery time, and availability about the globe. Some constructors are quicker than other folks in responding to inquiries. While others may possibly be capable to produce each and every planetary gearbox out of inventory, they will price you much more money.
The load share behavior of a planetary gearbox is equivalent to that of a spur or a helical gearbox. Under lower loads, individual equipment meshes are somewhat loaded, while other factors have nominal deflections. In standard, load sharing conduct is impacted mainly by assembly and manufacturing deviations. In this circumstance, the elastic deflections assist stability these results. The load-sharing habits of a planetary gearbox enhances when the load raises.
Planetary gearboxes come in different sizes. The most common measurement is one particular with two or three planets. The dimensions and kind of the gears determine the transmission charge. Planetary gear sets appear in stages. This offers you numerous transmission fee choices. Some organizations supply little planetary gearboxes, although others offer more substantial ones. For these with special purposes, make confident you check out the torque, backlash, and ratio.
Whether the power is massive or modest, the planetary gearbox need to be matched to the dimension of the generate. Some producers also provide proper-angle types. These designs include other equipment sets, this kind of as a worm equipment phase. Right-angle designs are best for scenarios the place you require to differ the output torque. When determining the dimensions of planetary gearboxes, make sure the generate shafts are lined up.
planetarygearbox

Purposes

This report is made to provide crucial information on the Worldwide Apps of Planetary Gearbox Market, including the market place dimensions and forecast, competitive landscape, and market place dynamics. The report also provides industry estimates for the company phase and sort segments, as nicely as finish end users. This report will also protect regional and country-level evaluation, industry share estimates, and mergers & acquisitions activity. The Worldwide Programs of Planetary Gearbox Market report involves a detailed examination of the key players in the industry.
The most widespread application of a planetary gearbox is in the auto business, in which it is employed to distribute electrical power amongst two wheels in a vehicle’s drive axle. In a four-wheel-drive vehicle, this method is augmented by a centre differential. In hybrid electric powered automobiles, a summation gearbox brings together the combustion motor with an electric motor, producing a hybrid automobile that uses 1 one transmission program.
In the Global Industrial Planetary Gearbox Market, buyer-certain planetary gears are commonly used for automated guided cars, intra-logistics, and agricultural engineering. These gears permit for compact patterns, even in restricted areas. A a few-stage planetary gear can get to 300 Nm and help radial loads of twelve kN. For receiver programs, positioning precision is critical. A two-stage planetary gearbox was created by CZPT. Its inside equipment pressure minimizes torsional backlash, and guide controls are typically used for large-high quality alerts.
The number of planetary gears is not set, but in industrial programs, the amount of planetary gears is at the very least a few. The a lot more planetary gears a gearbox contains, the more torque it can transmit. Additionally, the numerous planetary gears mesh simultaneously during procedure, which final results in large efficiency and transmittable torque. There are several other advantages of a planetary gearbox, such as lowered routine maintenance and large pace.

China manufacturer Zd Horizontal Type High Precision Square 120mm Zdf Planetary Gearbox     near me shop China manufacturer Zd Horizontal Type High Precision Square 120mm Zdf Planetary Gearbox     near me shop

China wholesaler NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox near me factory

Merchandise Description

NEMA34 stepper motor with substantial precision twenty:1 planetary gear motor

General Specification:

 

Electrical Specification:

 

Gearbox Specification:

 

Drawing:

Company Demonstrate:

Based on superior technologies and CZPT support,our CZPT & Electric powered Equipment CO.,LTD has proven a excellent staff and preserve a very good  business connection with a large quantity of consumers in global market. 

Deciding on JKONGMOTOR, we will have a CZPT relationship.

 

Planetary Gearbox Rewards and Down sides

A planetary gearbox is a sort of mechanical drive with a one output shaft. They are appropriate for equally clockwise and counterclockwise rotations, have significantly less inertia, and work at higher speeds. Right here are some benefits and disadvantages of this sort of gearbox. Let us see what these benefits are and why you should use them in your programs. Listed beneath are some of the advantages of planetary gearboxes.
planetarygearbox

Suited for counterclockwise and clockwise rotation

If you want to instruct young children about the clock palms, you can get some methods for counterclockwise and asymmetrical rotation. These assets incorporate worksheets for identifying levels of rotation, writing guidelines for rotation, and visual processing. You can also use these assets to teach angles. For illustration, the translation of designs exercise pack assists youngsters learn about the rotation of geometric styles. Equally, the visual perception exercise sheet aids children realize how to method info visually.
A variety of reports have been carried out to understand the anatomical substrate of rotations. In a latest research, CZPT et al. in contrast the position of the transitional zone electrocardiographically and anatomically. The authors identified that the transitional zone was normal in 9 of 33 topics, indicating that rotation is not a indication of illness. Likewise, a counterclockwise rotation may be induced by a genetic or environmental element.
The core tip data must be made to perform in the two clockwise and counterclockwise rotation. Counterclockwise rotation demands a different commencing position than a clockwise rotation. In North The us, star-delta commencing is used. In the two situations, the determine is rotated about its level. Counterclockwise rotation, on the other hand, is carried out in the opposite route. In addition, it is possible to generate counterclockwise rotation using the identical gimbal.
Even with its identify, equally clockwise and counterclockwise rotation needs a specific volume of force to rotate. When rotating clockwise, the item faces upwards. Counterclockwise rotation, on the other hand, commences from the best placement and heads to the proper. If rotating in the opposite path, the item turns counterclockwise, and vice versa. The clockwise movement, in contrast, is the reverse of counterclockwise rotation.

Has much less inertia

The main difference among a planetary gearbox and a typical pinion-and-gear reducer is the ratio. A planetary gearbox will make much less inertia, which is an essential benefit simply because it will minimize torque and energy needs. The ratio of the planetary gearbox to its fixed axis counterpart is a aspect of 3. A planetary gearbox has smaller sized gears than a conventional planetary, so its inertia is proportional to the variety of planets.
Planetary gears are less inertia than spur gears, and they share the load across a number of gear enamel. This indicates that they will have low backlash, and this is important for programs with substantial start off-cease cycles and repeated rotational route adjustments. Yet another advantage is the substantial stiffness. A planetary gearbox will have significantly less backlash than a spur gearbox, which implies that it will be a lot more trustworthy.
A planetary gearbox can use possibly spur or helical gears. The former gives larger torque ratings although the latter has significantly less sound and stiffness. Equally kinds of gears are beneficial in motorsports, aerospace, truck transmissions, and power era units. They call for a lot more assembly time than a conventional parallel shaft gear, but the PD collection is the more effective alternative. PD series planetary gears are suitable for many purposes, which includes servo and robotics.
In distinction, a planetary gear set can have different input speed. This can impact the frequency reaction of the gearset. A mathematical product of the two-stage planetary gears has non-stationary effects and correlates with experimental results. Fig. 6.3 demonstrates an addendum. The dedendum’s minimal value is approximately 1.25m. When the dedendum is at its smallest, the dedendum has much less inertia.
planetarygearbox

Gives increased dependability

The Planetary Gearbox is a much better choice for driving a vehicle than a normal spur gearbox. A planetary gearbox is much less high-priced, and they have better backlash, higher load capability, and increased shock hundreds. As opposed to spur gearboxes, even so, mechanical noise is virtually nonexistent. This tends to make them more reliable in substantial-shock circumstances, as well as in a extensive variety of apps.
The Financial system Collection has the same electricity density and torque ability of the Precision Helical Collection, but it lacks the precision of the latter. In contrast, Financial system Collection planetary gearboxes function straight spur planetary gearing, and they are employed in programs requiring substantial torque. Each kinds of gearboxes are suitable with NEMA servo motors. If torque density is important, a planetary gearbox is the greatest option.
The Dispersion of Exterior Load: The SSI model has been extensively employed to product the reliability of planetary equipment methods. This model takes the speak to drive and tiredness toughness of the technique as generalized stress and energy. It also offers a theoretical framework to evaluate the dependability of planetary equipment methods. It also has many other advantages that make it the desired option for large-tension applications. The Planetary Gearbox delivers greater dependability and efficiency than standard rack and pinion gear systems.
Planetary gearing has increased dependability and compact design. Its compact design and style permits for broader programs with issues about space and fat. Moreover, the improved torque and reduction makes planetary gearboxes an excellent decision for a broad variety of applications. There are 3 significant sorts of planetary gearboxes, every with its possess positive aspects. This article describes a handful of of them. Once you realize their workings, you will be able to pick the ideal planetary gearbox for your wants.

Has higher operating speeds

When you seem at planetary gearboxes, you may well be puzzled about which a single to select. The principal concern is the application of the gearbox. You should also determine on secondary elements like noise degree, corrosion resistance, construction, cost, and availability throughout the world. Some constructors work faster than other individuals and deliver the gearboxes on the very same working day. However, the latter ones often produce the planetary gearbox out of inventory.
Compared to typical gearboxes, a planetary gearbox can operate at higher speeds when the input pace fluctuates. However, these gears are not extremely productive in substantial-velocity purposes since of their improved sound amounts. This tends to make planetary gears unsuitable for applications involving a great deal of sound. That is why most planetary gears are utilized in tiny-scale purposes. There are some exceptions, but in standard, a planetary gearbox is far better suited for programs with greater working speeds.
The standard planetary gearbox is a compact substitute to normal pinion-and-equipment reducers. They can be utilized in a extensive assortment of programs in which area and fat are concerns. Its efficiency is also greater, offering ninety seven% of the electrical power input. It comes in three distinct kinds dependent on the performance. A planetary gearbox can also be classified as a worm gear, a spur equipment, or a sprocket.
A planetary gearhead has a substantial-precision design and style and can make sizeable torque for their dimensions. It also decreases backlash to two arc-min. In addition, it is lubricated for lifestyle, which implies no routine maintenance is necessary. It can suit into a little machine envelope and has a small footprint. Additionally, the helical crowned gearing gives quick positioning. A sealed gearbox stops abrasive dust from getting into the planetary gearhead.
planetarygearbox

Has disadvantages

The layout of a planetary gearbox is compact and allows large torque and load ability in a little room. This equipment arrangement also reduces the likelihood of dress in and tear. World gears are arranged in a planetary trend, enabling gears to change below load and a uniform distribution of torque. However, some disadvantages of planetary gears must be regarded as before investing in this gearbox.
Whilst the planetary gearbox is a higher precision movement-handle gadget, its layout and maintenance requirements are a worry. The bearing load is higher, demanding regular lubrication. Also, they are inaccessible. Even with these downsides, planetary gearboxes are appropriate for a variety of jobs. They also have reduced backlash and higher torsional stiffness, creating them outstanding alternatives for a lot of programs.
As a end result, the velocity of a planetary gearbox differs with load and speed. At decrease ratios, the sunshine gear becomes also massive in relation to the world gears. As the ratio will increase, the solar equipment will become way too lower, decreasing torque. The planetary gears also reduce their torque in high-velocity environments. As a result, the ratio is a critical thought for planetary gearbox situation monitoring.
Excess drag could consequence from out-of-tolerance components or excessive lubrication. Drag ought to be calculated equally in directions and be in appropriate ranges. Grease and oil lubrication are two widespread planetary gearbox lubricants, but the choice is mainly dependent on your application. While grease lubricates planetary gears nicely, oil requirements maintenance and re-lubrication every single handful of thousand hours.

China wholesaler NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox     close to me manufacturing unit China wholesaler NEMA34 Stepper Motor with High Precision 20: 1 Planetary Gearbox     in close proximity to me manufacturing facility

China factory High Precision Low Backlash Speed Reduction Stepper Motor Servo Motor Planetary Gearbox near me manufacturer

Item Description

Product Description

 

HPS is a major producer and provider of planetary gearbox and gear motor in China, Our organization handles an area of 6000 square meters with an once-a-year capacity of 500000 pcs. Meanwhile, all 6 creation strains strictly comply with ISO 9001 and CE to management the top quality. broad-selection collection products have been exported to 30+ nations all over the world. 
In addition to, we are making great attempts to customize and provide complete options to satisfy distinct clients’ requirements and market place. Our R&D crew has 15 years knowledge in this field, makes our business honored with several invention patents and utility patents,  which helps make CZPT the most trustable and reliable manufacturer.

 

Manufacturing & Test Equipments

Exhibition

 

HPS attends 5-6 exhibitions every single 12 months, both photo voltaic PV exhibitions and automation business exhibitions, professional income team and high quality products construct CZPT a great reputation in the marketplace.

Certificates

Profitable Initiatives

Packaging & Shipping

FAQ

 

Q1:Which areas are your merchandise mostly used in?

A:At present, we have 2 main items: precision planetary gear reducer and photo voltaic geared motor. Most of the precision planetary reducers are used in automation fields, these kinds of as healthcare equipment, 3D printers, door openers, tapping devices, CNC lathes and a series of automation equipment. In addition, our solar geared motors are employed in photovoltaic energy technology tasks, which are mainly blended with rotary drives to drive solar panels to monitor daylight.
Q2: How to select the suited planetary gearbox?
A :Initial of all, we need you to be CZPT to supply appropriate parameters. If you have a motor drawing, it will allow us suggest a ideal gearbox for you quicker. If not, we hope you can offer the following motor parameters: output pace, output torque, voltage, existing, IP, sound, functioning situations, motor measurement and electricity, and so forth.
Q3: What is the price tag ?
A : The main determining issue for the cost of each item is the order volume. You can converse with us and let us comprehend every single other. I feel that our costs, solution top quality and our companies can certainly make you pleased.

This fall: Do you give customized provider?

A: Indeed, we supply custom-made providers. You only need to set forward your requirements, and we will do our very best to supply you with a plan, make strategies, and try out our greatest to fulfill your demands.

How to Choose a Planetary Gearbox for Your Applications

You can pick the most suited Planetary Gearbox for your applications soon after meticulously checking the different functions. You need to also think about secondary functions like noise level, corrosion resistance, construction, price, shipping time and service. You ought to also verify if the constructor is offered throughout the entire world, because some constructors function more quickly than other individuals. Some constructors even react to your requests on the very same day, while other individuals provide every single planetary gearbox even if they are out of stock.
planetarygearbox

CZPT gearbox

An CZPT planetary gearbox is a large-quality, compact, and lightweight gearbox that distributes masses more than a number of gears. The planetary gearbox has a polymer case that ensures peaceful procedure. The firm is fully commited to the circular financial system, investing in chemical recycling and advertising the use of recycled resources anywhere feasible. For much more details, go to CZPT’s web site or contact an CZPT expert these days.
A planetary gearbox contains a sunlight equipment, which is acknowledged as the input gear. The other gears are called planets, and these are mounted on a provider, which is related to an output shaft. A planetary gearbox is characterized by its higher reduction ratios, vitality savings, and compact design. It gives exceptional durability and trouble-free of charge services. Whether you need a huge or little planetary gearbox, you can uncover 1 to go well with your requirements.
The Standard sequence planetary gearboxes are a price-efficient different to high quality series gearboxes. These gearboxes are appropriate for purposes demanding only delicate backlash or with low IP65 protection. ABB positioners characteristic seven different gear device variants, permitting for standardized mounting and stranded wire connections. The drygear(r) strain wave gear has a stranded wire connector and is accessible with a a few-yr warranty.
A planetary gearbox can be used for various purposes, from lifting goods to loading and unloading merchandise in a manufacturing unit. The business has a broad product selection for diverse purposes, like plastic equipment and equipment instruments, pick-and-spot robots, mill drives, and wind turbines. It can also be employed to work robot gripper programs. Its higher-quality planetary gears are made to very last for many several years, creating it an best solution for many industries.

CZPT

A planetary gearbox is an essential element of many transportation methods. These gadgets work by aligning the output and input shafts. The Reggiana planetary gearbox 2000 collection includes bevel phases and linear variants. The firm gives modularity and overall flexibility with output configurations in ten diverse equipment sizes. Every single planetary gearbox can also be custom-made to meet the particular demands of a specific software.
CZPT is the Australian department of CZPT, a top global manufacturer of planetary gearboxes. CZPT is situated in Carrum Downs, south east of Melbourne, and is one particular of the leading suppliers of planetary reduction gears, hydraulic failsafe brakes, and wheel drives. The firm aims to give substantial-top quality, sturdy merchandise that can be utilised in a range of applications.
A CZPT In addition Sequence Equipment is developed to maximize versatility in a assortment of applications. The gearbox’s modular design and style enables for limitless scalability. The CZPT Plus Collection Gear is frequently utilized in mining functions, and is acknowledged for its uncooked output abilities and minimal upkeep design and style. It is manufactured with high-good quality supplies, and it is also accessible in numerous sizes for tailored applications.
The multi-phase planetary gearbox can mix personal ratios to boost the overall multiplicative issue. The planetary gears might also be mixed to improve the transmittable torque. The output shaft and travel shaft may possibly rotate in opposite instructions, or they can be mounted so the gearbox can perform in possibly direction. If the ring gear is set, planetary gearboxes can be realized as multi-phase.
planetarygearbox

CZPT

The CZPT Planetary Gearbox is the excellent mixture of compact dimensions and substantial efficiency in electrical power transmission. The compact design enables this gearbox to operate silently while nevertheless providing large power density and transmission effectiveness. The CZPT Planetary Gearbox has a number of positive aspects. Unlike standard planetary gearboxes, CZPT’s planetary gearbox functions substantial electricity density, minimal torque, and ideal transmission performance.
CZPT’s goods have been utilized in a range of programs for many years, proving their trustworthiness and top quality. These items are renowned in the globe for their dependability and quality. CZPT’s planetary gearboxes are backed by a five-calendar year warranty. These characteristics aid customers choose a planetary gearbox that meets their wants and stays in prime condition for years to occur. But how do you take a look at a planetary gearbox?
Figure 17 shows the reaction of a planetary gearbox to vibration. The optimum displacement in xg route at a fifty% crack stage is shown by the dashed line. The signal in xg path is called the xsignal. Furthermore, the CZPT Planetary Gearbox’s vibration response is hugely delicate to the area of the bearings. For this reason, dynamic modeling of a planetary gearbox must contemplate bearing clearance.
CZPT’s hollow cup motor drive program features large trustworthiness and reduced power use. The gearbox is suitable with industries with high good quality specifications, as there is no cogging torque. Its compact dimensions and low electromagnetic sound make it ideal for a range of apps. For industries with large merchandise good quality demands, the CZPT Hollow Cup Motor Drive Method is an superb selection. It is also created for vertical set up. You can even acquire multiple CZPT goods to meet your certain demands.

CZPT

With its PL collection planetary gearboxes, CZPT has expanded its product portfolio to contain far more varieties of push remedies. CZPT is a single of the couple of companies to have gained the Schneider Electrical Supplier Award for Quality. In addition, its large-high quality planetary gearboxes are very customizable, making it possible for designers to customize each gearbox for the software at hand. No matter whether it is a geared pump or a stepper motor, CZPT’s PLE planetary gearboxes are built to fulfill the precise technical specs of the application at hand.
The flange-mounted model of the planetary gearbox is equivalent to its planetary counterpart. Making use of a flange-mounted planetary gearbox allows for a smaller sized, much more compact style. This model also attributes a large-diameter output shaft, which aids attain a greater amount of torsional stiffness. This can make CZPT flange gearboxes notably helpful for purposes where the course of movement can adjust often. These gearboxes can be used with a broad range of belts.
The PLQE 60-mm gearbox is employed in Outrider’s solitary-stage design and style. Its equipment ratio is 5:1, although its dual-phase version has a 15:1 gear ratio. Both gearboxes have equivalent mounting configurations, but the two-stage variation is marginally for a longer time.
The PLN sequence of planetary gearheads from CZPT are the standard for higher-precision apps. They are appropriate with all main motor manufacturers and dimensions, and the firm’s adapter kits are offered to match almost any motor. This can make CZPT gearheads one particular of the easiest to combine into a complicated machine. They’re also very simple to install, with the identical torque as their corresponding spur gears.
planetarygearbox

CZPT’s

If you are searching for an effective remedy for screw push apps, take into account utilizing CZPT’s 300M Planetary Gearbox. It has substantial axial and radial load capacities, compact layout, substantial torque output, and torque arm. The 300M planetary gearbox is appropriate with a assortment of screw presses, including hydraulic push techniques and digester programs. Its Torque manage and immediate coupling characteristic can make it effortless to set up.
CZPT’s little planetary gearboxes have an output torque of 20:1 from person ratios of 5:1 and 4:1. They operate silently and deliver highest transmission performance. The planetary gears are mounted on a ring that is mounted close to the middle sun equipment. The ring functions as an output torque converter for the following planet stage. This planetary gearbox has a number of levels and a greatest ratio of twenty:1 can be produced from individual ratios of 5:1 and 4:1.
CZPT Motor is an innovator in the design and style and manufacture of miniature motors for industrial robots. Its offerings include brushless DC and brushed DC motors, as effectively as planetary gearboxes, encoders, and brakes. CZPT’s products have a range of makes use of in robotics, smart appliances, medical products, conversation, and industrial automation. The business is also fully commited to providing personalized styles dependent on customer specs.
An additional edge of a planetary gearbox is its high electrical power transmission effectiveness. It is capable of around 3% per stage, enabling it to transmit a lot more torque than a conventional solitary-stage gearbox. Planetary gearboxes are also compact and have a higher torque-to-excess weight ratio. CZPT’s Planetary Gearbox is the best decision for numerous purposes. This gearbox provides the maximum effectiveness and is perfect for little-scale creation.

China factory High Precision Low Backlash Speed Reduction Stepper Motor Servo Motor Planetary Gearbox     near me manufacturer China factory High Precision Low Backlash Speed Reduction Stepper Motor Servo Motor Planetary Gearbox     near me manufacturer