China factory 20mm NEMA 8 High Torque Planetary Gear Stepper Motors for Precision Medical Instruments with Great quality

Solution Description


Product Description

Planetary Gear Stepping Motor :
Precision high-end upgrade with Nema8, Nema 11, Nema14, Nema 17, Nema23, Nema 24 
stepper motor low noise, low vibration, firm and durable. Increase torque at low speed.
Reduction ratio:1:3.7 , 1:5.2 , 1:14 , 1:19 ,1:27 ,1:51 , 1:71 ,1:100 ,1:139 , 1:189 ,1:264 , 1:369 ,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.

Product Parameters

Planetary Equipment Box Specification:

20HS1450 Planetary Gearbox Motor Technical specs: Reduction ratio 3.seventy one 5.18 14 19 27 fifty one 71 a hundred 139 189 264 369 Complete Height(L1+L2) (mm) 53.4 fifty three.4 sixty sixty sixty sixty six.4 66.four sixty six.four sixty six.4 seventy two.eight 72.8 72.8 Output torque ( mN.m) fifty 70 170 231 328 558 777 1095 1522 1871 2000 2000 Whole Fat(g) ninety one ninety one 97 97 97 103 103 103 103 109 109 109 Number of gear trains 1 2 3 4 Reducer Size(L2)   (mm) 23.4 30. 36.four 42.eight Performance 90% 81% 73% 66%


In depth Pictures


Firm Profile

ZheJiang UMot Technology Co., Ltd. specializes in R&D and product sales of stepper motors, servo motors, linear modules and related movement control products, customizing and planning large-good quality motor items for end users with unique demands all around the globe, and offering overall solutions for movement manage systems. Merchandise are exported to a lot more than thirty nations around the world and areas like the United States, Germany, France, Italy, Russia, and Switzerland. The firm’s main merchandise and method design and style have been commonly used in automation management, precision instruments, healthcare equipment, wise property, 3D printing and many other fields.
Our business has been regarded as a CZPT company by related departments, has a total quality management program, has acquired ISO9001, CE, RoHs and other associated certifications, and retains a number of electrical patent certificates. “Concentration, Professionalism, Focus” in the area of automation of motor R&D and technique control options is the company’s organization goal. “Be your most trustworthy spouse” is the company’s provider philosophy. We have always been aiming to “make 1st-class items with expert technologies”, hold speed with the moments, innovate continually, and provide more customers with greater goods and companies.


1. Shipping and delivery approach:
one)Worldwide Categorical delivery DHL&FEDEX &UPS&TNT& 7-10days
two)Shipping by air 7-10 times
3)transport by sea, delivery time is dependent on the location port.

two. Technological Support:
We can supply you with skilled specialized assistance. And our products quality assure is 6 months. Also, we settle for products customized.

three. Why ought to you buy from us, not from other suppliers?
Specialist a single-to-1 motor custom-made. The world’s big company of choice for substantial-quality suppliers. ISO9001:2008 top quality administration system certification, via the CE, ROHS certification.

four. How to select models?
Just before getting, you should contact us to validate model No. and specs to stay away from any misunderstanding.

5. Are you a manufacturing unit?
Of course, we are a factory, and we produce stepper motor/driver, Servo motor/driver.


The Fundamentals of a Planetary Gearbox

The standard product of a planetary gearbox is a hugely productive transmission that transmits virtually ninety per cent of the electricity it receives. The basic planetary gearbox arrives in 3 simple kinds: Inline, Helical, and Spur. Below, we will examine the distinctions between each of them and which a single is much better for your wants. A planetary gearbox is an critical component of any engine and could be the best selection for your motor vehicle.

Inline planetary gearbox

An inline planetary gearbox has an inline arrangement of gears that enables the transfer of electricity. Its style makes it steady and reliable, and the area and fat-saving rewards make it a well-liked decision for many applications. Planetary gearboxes have reduced inertia, large torque, and a wide assortment of reduction ratios, which make them a functional selection for numerous industries. To uncover out a lot more about this type of gearbox, read about its development and requirements.
A planetary gearbox is composed of two elements: a sunlight equipment (also referred to as the central or input gear), and two world gears (also known as outer gears). These gears are linked to every single other by way of a carrier. In purchase to get the best efficiency from your gearbox, it’s crucial to find a product with the characteristics and positive aspects essential for your application. Also, be positive to examine out the delivery time, world-wide availability, and buyer services of your selected constructor. A few constructors are quicker than other people and have the capacity to respond speedily, whilst other people can supply each and every one planetary gearbox out of inventory.
No matter whether you happen to be using an inline planetary gearbox for your car’s transmission, or you’re constructing a new equipment, it is essential to pick the proper dimensions for your application. The most widespread ratio is 5:1, but an inline gearbox can be as high as a thousand:1! The torque range is amongst 250-950 lb-in for continuous torque, and up to 5800 lb-in for yield torque. Some companies even offer you custom shafts if you need to have them to fit a certain software.
Inline planetary gearboxes have a higher ratio of helical rotation and are beneficial for applications exactly where room is minimal. Their lower-backlash layout permits them to take care of higher torques and high accelerations without having backlash. In spite of their compact measurement, planetary gear systems also have high one-stage reduction ratios, a attribute that tends to make them best for a range of industrial applications. They can also be linked for high reduction ratios.
An inline planetary gearbox can be utilised in several applications, from small tools to hefty industrial equipment. Its basic design and style contains 3 components: an input gear pair, an output equipment pair, and a stationary place. Some planetary gearbox styles also include further gear sets that can give a slight offset amongst input and output. A planetary gearbox could also contain numerous bearings, which make the assembly a lot more sturdy and dependable.
Inline planetary equipment reducers are generally utilized in industrial options to gradual down an electrical motor. They are in a position to multiply torque, which means they can minimize the enter speed to a amount exactly where the mechanical devices inside of the motor can perform effectively. This variety of gear reducer also has a low clearance, which tends to make it best for devices with substantial torque. Even so, you must think about the amount of torque necessary in your software before you make a buy.

Helical planetary gearbox

A helical planetary gearbox is a variety of mechanical program. The gears are connected by joints to the provider that holds the planets stationary. The solar gear serves as an input to the other gears, and the world gears rotate at a charge that relies upon on the quantity of teeth in each equipment. The ratio among these gears is -Ns/Np, and the amount of teeth in the ring is N r, N s, and N p.
Yet another type of planetary gearbox utilizes numerous helical axes to distribute the load. This design also gives higher stiffness and reduced backlash, which is important for purposes involving repeated start off-cease cycles and rotational direction alterations. It also characteristics a compact layout and low mass inertia. A helical planetary gearbox can be employed for a wide variety of applications. Detailed beneath are some of the advantages of helical equipment technologies.
The standard design of a helical planetary equipment is primarily based on the basic principle of stepping planets. This notion gets rid of the need for timing marks and restrictive assembly situations. The planetary gear’s helical shape can be modified to achieve a better transmission ratio in an equal or smaller quantity. For case in point, a fifty-T ring gear will yield the exact same effect as a one hundred-T ring gear.
In addition to the helical axis, a helical planetary gearbox also has a broad variety of secondary characteristics that are vital to torque transmission. For instance, compact needle roller bearings are suitable for a helical planetary gearbox due to the fact of their reduced-profile style and small space. Even so, a tapered roller bearing is much better suited to managing substantial axial forces. In standard, a helical planetary gearbox will have a higher effectiveness rate and decrease noise levels.
A helical planetary gearbox will have a quantity of elements that can fluctuate in measurement and condition. They will contain a sunlight equipment and a lot of planetary components. The central sun equipment will consider a low-torque enter and will run several exterior gears to increase the torque and velocity. This standard design of a planetary gearbox is very successful, transferring ninety seven% of the power enter. There are three principal kinds of planetary gearboxes: the cylindrical planetary gearbox, the helical planetary gearbox, and the helical wormwheel.
The CZPT is a excellent example of an entry-stage helical planetary gearbox. It is extremely reliable and aimed at supplying torque in silent apps with high precision. The Accessibility sequence is one more choice, which is created to satisfy the needs of the lower-backlash planetary gearbox market place. It attributes helical planetary gears with five to eight arc-minutes backlash, and is created on a monobloc housing.
A helical planetary gearbox is commonly employed in 3D printing. They are lightweight and can provide a substantial gear ratio. In addition to their low excess weight and large efficiency, some folks have installed them into 3D printers to increase the precision of their patterns. And in addition to 3D printing, helical gears are utilised in numerous industrial applications. If you happen to be contemplating about buying one, you must know what the positive aspects are.

Spur planetary gearbox

There are a lot of rewards to a spur planetary gearbox, from its compact style and low price to its unmatched electrical power transmission potential for every unit quantity. Planetary gears have high efficiency for every phase and can accomplish up to ninety five% effectiveness, based on the ratio. World gears are mounted on a joint carrier, and the output rotation velocity is slower than the travel rotation speed, which prospects to elevated torque. The greater the equipment wheels, the more torque the unit can generate.
A spur planetary gearbox incorporates a number of other gear sets that have to have helical enamel. These other equipment sets should be helical, and the motor must be aligned with the pushed parts. The spur gears are the most effective variety of planetary gear, as their enamel are symmetrical, which means no axial forces are created. The difference in between a spur and a planetary gearbox is its condition.
The correct angle spur planetary gearbox is a functional style with a spiral bevel gear that supplies superior smoothness and quiet procedure. This gearhead is situation-hardened and floor to improve its performance. These gears can be acquired in 3-100 ratios. Spur planetary gearboxes can also have ISO rotary flanges, keyed shafts, DIN splines, or hollow compression connections.
A spur planetary gearbox makes use of spur gears around the circumference of the system. The spur gears rotate in between gears that have inside and exterior teeth. Because of this, the angular velocity of the spur equipment differential provider is the average of the ring gears and sunlight gears. A spur gearbox can also be deemed a compound planetary equipment. It is generally used for servo apps. In contrast to spur gears, helical planetary gears are less complicated to sustain and have decrease sounds amounts.
The most noteworthy difference among a spur planetary gearbox and a planetary gearhead is the lubrication of the pinion and the spur equipment head. A spur equipment head is less complicated, but are not able to manage the very same amount of load as a planetary gearhead. Equally kinds can achieve the very same backlash, but a planetary gearhead has far better lubrication retention than a spur gear. It can operate at increased speeds with out excessive lubrication, while a spur equipment travel is much more successful at minimal speeds. The reduction ratio of a planetary gearhead is close to unity whilst that of a planetary gear head is many thousand to a single.
A planetary gearbox has a lot of applications. Plastic equipment, merchandise & personnel lifts, and device equipment are all key illustrations of these sorts of gearing systems. Other industries that use these gears contain wind turbines and sugar crystallizers, as well as steel and sugar mills. And of training course, the use of planetary gears is not restricted to these industries. It is utilised in a lot of diverse methods, which includes slewing drives, mill drive, and derrick & dockyard cranes

China factory 20mm NEMA 8 Substantial Torque Planetary Equipment Stepper Motors for Precision Medical Instruments     with Excellent qualityChina factory 20mm NEMA 8 High Torque Planetary Gear Stepper Motors for Precision Health care Devices     with Wonderful quality