Merchandise Description


Merchandise Description

Large Precision Planetary Gear Stepper Motor

The higher precision planetary gear stepper motor is high precision and reduced sound with precision steel tooth,can endure better axial power and radial force. Greater concentricity, a lot more stable transmission. These motors are available in normal:
Nema 17(forty two*34, 42*forty)
Reduction ratio:1:5 , 1:7 , 1:10 , 1:16 ,1:20 ,1:25 , 1:35 ,1:40, 1:50,1:701:100. 
Nema 23(fifty seven*fifty five)
Reduction ratio:1:5 , 1:7 , 1:10 , 1:16 ,1:20 ,1:25 , 1:35 ,1:forty
Nema 24(60*55)
Reduction ratio:1:5 , 1:7 , 1:10 , 1:16 ,1:20 ,1:25 , 1:35 ,1:forty
And 48 hours delivery, in stock .

Automation control, medical equipment, textile machinery, and packaging machinery fields. Not only in the field of the automation industry, it also has a good use status in the home.   Products with low speed and inertia are often seen: electric  curtains, electric shutters, etc

Solution Parameters

Planetary Equipment Box Specification:


Comprehensive Pictures


Business Profile

ZheJiang UMot Engineering Co., Ltd. specializes in R&D and income of stepper motors, servo motors, linear modules and connected movement handle items, customizing and designing substantial-top quality motor merchandise for consumers with particular wants around the world, and delivering overall answers for movement handle techniques. Goods are exported to far more than 30 international locations and areas like the United States, Germany, France, Italy, Russia, and Switzerland. The company’s primary products and program style have been widely utilised in automation management, precision instruments, healthcare products, sensible property, 3D printing and numerous other fields.
Our business has been regarded as a CZPT organization by relevant departments, has a complete quality administration technique, has obtained ISO9001, CE, RoHs and other associated certifications, and holds a number of electrical patent certificates. “Concentration, Professionalism, Focus” in the discipline of automation of motor R&D and method manage answers is the company’s enterprise purpose. “Be your most reliable associate” is the company’s support philosophy. We have constantly been aiming to “make first-course merchandise with specialist technological innovation”, preserve tempo with the times, innovate consistently, and offer a lot more users with greater goods and solutions.


1. Shipping technique:
1)Intercontinental Categorical shipping DHL&FEDEX &UPS&TNT& 7-10days
two)Shipping by air 7-ten times
three)shipping and delivery by sea, supply time depends on the spot port.

2. Technical Support:
We can give you with professional technical assistance. And our merchandise high quality assure is 6 months. Also, we accept items custom-made.

3. Why ought to you purchase from us, not from other suppliers?
Expert 1-to-1 motor custom-made. The world’s massive company of option for large-high quality suppliers. ISO9001:2008 quality management program certification, via the CE, ROHS certification.

four. How to select models?
Prior to getting, you should contact us to affirm product No. and specifications to stay away from any misunderstanding.

five. Are you a manufacturing unit?
Indeed, we are a factory, and we produce stepper motor/driver, Servo motor/driver.


Planetary Gearbox

This article will discover the style and programs of a planetary gearbox. The reduction ratio of a planetary gearbox is dependent on the amount of enamel in the gears. The ratios of planetary gearboxes are generally reduce than people of typical mechanical transmissions, which are mainly utilized to generate engines and generators. They are often the very best selection for weighty-duty applications. The subsequent are some of the benefits of planetary gearboxes.

planetary gearboxes

Planetary gearboxes operate on a equivalent basic principle to photo voltaic programs. They rotate all around a center equipment named the sun gear, and two or much more outer gears, referred to as earth gears, are connected by a provider. These gears then generate an output shaft. The arrangement of planet gears is comparable to that of the Milky Way’s ring of planets. This arrangement generates the very best torque density and stiffness for a gearbox.
As a compact substitute to normal pinion-and-gear reducers, planetary gearing delivers many positive aspects. These traits make planetary gearing ideal for a selection of applications, such as compactness and low fat. The efficiency of planetary gearing is increased by the reality that ninety percent of the input power is transferred to the output. The gearboxes also have minimal sounds and higher torque density. In addition, their layout provides greater load distribution, which contributes to a lengthier provider life.
Planetary gears require lubrication. Since they have a smaller sized footprint than conventional gears, they dissipate warmth properly. In simple fact, lubrication can even lower vibration and noise. It is also critical to hold the gears correctly lubricated to avert the use and tear that will come with use. The lubrication in planetary gears also helps maintain them functioning appropriately and lowers dress in and tear on the gears.
A planetary gearbox utilizes numerous planetary components to obtain the reduction objective. Every single gear has an output shaft and a sun gear situated in the center. The ring gear is fastened to the equipment, whilst the sunlight gear is connected to a clamping system. The outer gears are related to the provider, and every planetary gear is held together by rings. This arrangement makes it possible for the planetary gear to be symmetrical with regard to the input shaft.
The gear ratio of a planetary gearbox is outlined by the solar gear’s variety of teeth. As the sun equipment receives scaled-down, the ratio of the equipment will boost. The ratio variety of planetary gears ranges from 3:1 to 10 to one. Sooner or later, however, the solar gear turns into also modest, and the torque will tumble considerably. The greater the ratio, the less torque the gears can transmit. So, planetary gears are frequently referred to as “planetary” gears.

Their design

The fundamental design of a Planetary Gearbox is really basic. It consists of three interconnecting links, each of which has its personal torque. The ring gear is fastened to the body at O, and the other two are mounted to each and every other at A and B. The ring equipment, in the meantime, is connected to the world arm 3 at O. All 3 components are connected by joints. A free of charge-physique diagram is revealed in Figure 9.
In the course of the improvement approach, the design and style team will divide the electricity to each individual earth into its respective energy paths. This distribution will be dependent on the meshing situation of all gears in the technique. Then, the style crew will commence to decide the masses on specific gear meshes. Making use of this strategy, it is attainable to establish the loads on person gear meshes and the shape of ring equipment housing.
Planetary Gearboxes are created of a few equipment sorts. The sun equipment is the middle, which is related to the other two gears by an inside tooth ring equipment. The earth pinions are organized in a provider assembly that sets their spacing. The provider also incorporates an output shaft. The three factors in a Planetary Gearbox mesh with each and every other, and they rotate with each other as 1. Relying on the software, they could rotate at diverse speeds or at distinct moments.
The planetary gearbox’s style is unique. In a planetary gearbox, the input equipment rotates close to the central equipment, while the outer gears are organized close to the sunlight gear. In addition, the ring gear retains the construction together. A provider connects the outer gears to the output shaft. In the long run, this gear method transmits large torque. This type of gearbox is excellent for substantial-velocity functions.
The standard style of a Planetary Gearbox consists of a number of contacts that have to mesh with every single other. A single planet has an integer number of tooth, whilst the ring has a non-integer variety. The enamel of the planets should mesh with each other, as well as the sunshine. The tooth counts, as properly as the earth spacing, perform a part in the style. A planetary gearbox need to have an integer amount of tooth to perform correctly.


In addition to the previously mentioned-mentioned apps, planetary gearing is also employed in device resources, plastic equipment, derrick and dock cranes, and materials managing equipments. More, its application is identified in dredging tools, road-generating equipment, sugar crystallizers, and mill drives. While its versatility and efficiency tends to make it a appealing decision for many industries, its difficult composition and development make it a sophisticated element.
Amid the a lot of rewards of employing a planetary gearbox, the ability to transmit greater torque into a controlled area tends to make it a well-liked decision for several industries. Moreover, introducing extra planet gears boosts the torque density. This can make planetary gears suitable for purposes requiring large torque. They are also utilised in electrical screwdrivers and turbine engines. Nonetheless, they are not utilized in everything. Some of the a lot more widespread apps are discussed under:
One of the most critical attributes of planetary gearboxes is their compact footprint. They are ready to transmit torque whilst at the identical time lowering sound and vibration. In addition to this, they are in a position to attain a substantial speed without having sacrificing higher-good quality performance. The compact footprint of these gears also makes it possible for them to be utilised in higher-velocity purposes. In some instances, a planetary gearbox has sliding sections. Some of these sections are lubricated with oil, while other individuals might require a synthetic gel. Even with these distinctive features, planetary gears have grow to be frequent in numerous industries.
Planetary gears are composed of a few components. The sunshine equipment is the input equipment, while the planet gears are the output gears. They are connected by a carrier. The carrier connects the enter shaft with the output shaft. A planetary gearbox can be designed for different requirements, and the type you use will count on the wants of your application. Its design and style and functionality should meet your application’s wants.
The ratios of planetary gears differ relying on the variety of planets. The more compact the sun equipment, the higher the ratio. When planetary phases are utilized by itself, the ratio assortment is 3:1 to 10:1. Higher ratios can be attained by connecting numerous planetary stages jointly in the exact same ring gear. This technique is acknowledged as a multi-phase gearbox. However, it can only be used in big gearboxes.


The primary element of a planetary gearbox is the planetary gear. It needs standard servicing and cleaning to continue to be in leading shape. Desire for a lengthier lifestyle span shields all other components of the gearbox. This post will discuss the upkeep and cleaning methods for planetary gears. Following reading through this write-up, you ought to know how to sustain your planetary gearbox effectively. With any luck ,, you can take pleasure in a more time lifestyle with your gearbox.
Firstly, it is essential to know how to correctly lubricate a planetary gearbox. The lubricant is important as gears that work at substantial speeds are subject to higher amounts of warmth and friction. The housing of the planetary gearbox need to be built to allow the warmth to dissipate. The suggested oil is synthetic, and it should be loaded in between 30 and fifty p.c. The lubricant should be changed at least each and every six months or as essential.
Even though it might appear unneeded to change a planetary gearbox, normal servicing will aid it last a prolonged time. A typical inspection will recognize a dilemma and the proper repairs are necessary. Once the planetary gearbox is full, it will plug with equipment oil. To steer clear of this issue, consider getting the unit fixed alternatively of changing the gearbox. This can help save you a great deal of income above a new planetary gearbox.
Proper lubrication is vital for a prolonged existence of your planetary gearbox. Oil adjust frequency must be based on oil temperature and running velocity. Oil at higher temperatures must be altered more often because it loses its molecular framework and can not form a protecting movie. Soon after this, oil filter maintenance ought to be done each number of months. Lastly, the gearbox oil needs to be checked regularly and changed when required.

China supplier NEMA 17 High Precision Geared Stepping Motor with Planetary Gearbox     with Best SalesChina supplier NEMA 17 High Precision Geared Stepping Motor with Planetary Gearbox     with Best Sales