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China Professional Custom 12mm 3V 6V 12V Metal Gearbox with N20 DC Gear Motor with Great quality

Product Description



Item Parameters

Product:  ZWBMD571571-168

  • Rated Voltage: 3.0V
  • No Load Speed: 98 rpm
  • No Load Current: 80mA
  • Rated Load Speed: 86 rpm
  • Rated Load Current: 220mA
  • Rated Load Torque: 106 gf.cm
  • Rated Torque of Gear Box: 2,000 gf.cm
  • Instantaneous Torque of Gear Box: 6,000 gf.cm
  • Total Length L: 34 mm
  • Equipment Box Size L1: 19 mm

over specifications just for reference and customizable in accordance to demands.

Remember to allow us know your demands and we will supply you with micro transmission options.

Detailed Photos





Firm Profile

HangZhou CZPT Machinery & Electronics Co., Ltd was recognized in 2001,We provide the overall drive answer for buyers from design and style, tooling fabrication, elements producing and assembly. 


Tests Equipment

one) Competitive Advantages

  • one) Competitive Benefits
    19+calendar year knowledge in manufacturing motor gearbox
    We give technological assist from r&d, prototype, tests, assembly and serial generation , ODM &OEM
    Competitive Value
    Product Performance: Minimal sound, High efficiency, Lengthy lifespan
    Prompt Supply: fifteen doing work times right after payment
    Tiny Orders Approved

 2) Primary Merchandise

  • Precision reduction gearbox and its diameter:3.4mm-38mm,voltage:1.5-24V,electricity: .01-40W,output speed:5-2000rpm and output torque:1. gf.cm -50kgf.cm,

  • Custom-made worm and equipment transmission equipment
  • Exact electromechanical movement module
  • Exact element and assembly of plastic and metallic powder injection.


Our Companies

  • ODM & OEM
  • Gearbox design and advancement
  • Connected engineering support
  • Micro travel gearbox custom made solution

Packaging & Shipping

one) Packing Information

packed in nylon first of all, then carton, and then strengthened with wooden scenario for outer packing.
Or in accordance to client’s need.

two) Delivery Details

samples will be delivered in ten days
batch get foremost time according to the genuine situation.




We Have handed to maintain ISO9001:2015(CN11/3571),ISO14001:2004(U006616E0153R3M), ISO13485:2016(CN18/42018) and IATF16949:2016(CN11/3571.01).

and more…




1. Can you make the gearbox with customized technical specs?
Yes. We have layout and growth crew, also a great expression of engineers, each of them have
many work years knowledge.

2.Do you give the samples?
Yes. Our business can supply the samples to you, and the supply time is about 5-15days according to the specification of gearbox you need to have.

3.What is your MOQ?
Our MOQ is 2000pcs. But at the starting of our business, we take tiny order.

four. Do you have the product in stock?
I am sorry we donot have the product in inventory, All items are manufactured with orders.

five. Do you give technologies assist?
Of course. Our organization have design and style and advancement group, we can offer technological innovation help if you

six.How to ship to us?
We will ship the goods to you according to the DHL or UPS or FEDEX etc account you offer. 

seven.How to spend the cash?
We take T/T in progress. Also we have distinct financial institution account for getting funds, like US dollors or RMB etc.

8. How can I know the solution is ideal for me?
Frist, you require to give us the far more particulars info about the merchandise. We will advise the merchandise to you according to your need of specification. Following you verify, we will get ready the samples to you. also we will offer you some good advancements in accordance to your merchandise use.

nine. Can I appear to your company to check out?
Indeed, you can occur to our firm to visit at anytime, and welcome to visit our organization.

ten. How do contact us ?
 Please send an inquiry

Picking a Gearbox For Your Application

The gearbox is an crucial part of bicycles. It is utilised for several needs, like speed and power. A gearbox is employed to achieve one particular or each of these objectives, but there is always a trade-off. Increasing velocity boosts wheel speed and forces on the wheels. Similarly, rising pedal pressure raises the drive on the wheels. This helps make it less difficult for cyclists to speed up their bicycles. However, this compromise tends to make the gearbox considerably less efficient than an perfect one particular.


Gearboxes appear in distinct sizes, so the dimension of your device is dependent on the amount of phases. Utilizing a chart to decide how numerous levels are essential will aid you establish the proportions of your device. The ratios of individual phases are usually better at the leading and get more compact as you get closer to the final reduction. This data is crucial when selecting the right gearbox for your software. However, the dimensions of your gearbox do not have to be precise. Some manufacturers have guides that outline the needed proportions.
The support factor of a gearbox is a mixture of the required trustworthiness, the real service issue, and the load that the gearbox will endure. It can selection from 1. to 1.4. If the provider element of a gearbox is 1., it indicates that the device has just ample capacity to meet up with your requirements, but any additional specifications could lead to the unit to fail or overheat. Nevertheless, services factors of 1.4 are normally ample for most industrial programs, considering that they show that a gearbox can withstand 1.4 times its application requirement.
Different dimensions also have diverse shapes. Some varieties are concentric, whilst other people are parallel or at a proper angle. The fourth type of gearbox is named shaft mount and is used when mounting the gearbox by foot is unattainable. We will go over the different mounting positions later. In the meantime, maintain these proportions in thoughts when picking a gearbox for your application. If you have space constraints, a concentric gearbox is usually your best alternative.


The layout and building of a gearbox entails the integration of various factors into a solitary framework. The elements of a gearbox have to have sufficient rigidity and ample vibration damping houses. The layout recommendations note the approximate values for the parts and advise the creation approach. Empirical formulas have been utilized to establish the dimensions of the various parts. It was located that these techniques can simplify the layout approach. These methods are also employed to compute the angular and axial displacements of the parts of the gearbox.
In this project, we used a 3D modeling computer software named SOLIDWORKS to develop a 3-D product of a equipment reducer. We utilized this software program to simulate the structure of the gearbox, and it has effective design automation instruments. Though the gear reducer and housing are different areas, we product them as a one body. To help save time, we also taken off the auxiliary factors, this sort of as oil inlets and oil amount indicators, from the 3D product.
Our strategy is based mostly on parameter-optimized deep neural networks (DBNs). This model has equally supervised and unsupervised studying abilities, enabling it to be self-adaptive. This method is superior to classic approaches, which have poor self-adaptive function extraction and shallow community generalization. Our algorithm is in a position to understand faults in different states of the gearbox utilizing its vibration signal. We have examined our design on two gearboxes.
With the support of advanced materials science systems, we can now manufacture the housing for the gearbox using high-good quality steel and aluminium alloys. In addition, innovative telematics techniques have elevated the response time of producers. These technologies are predicted to create remarkable possibilities in the coming several years and gasoline the progress of the gearbox housing market. There are several various approaches to construct a gearbox, and these strategies are highly customizable. In this study, we will think about the layout and development of various gearbox kinds, as nicely as their factors.

Doing work

A gearbox is a mechanical system that transmits electricity from one gear to another. The different kinds of gears are referred to as planetary gears and are employed in a assortment of apps. Dependent on the variety of gearbox, it might be concentric, parallel, or at a proper angle. The fourth kind of gearbox is a shaft mount. The shaft mount variety is utilised in programs that can’t be mounted by foot. The numerous mounting positions will be talked about later on.
Numerous design tips advise a services issue of 1., which demands to be modified primarily based on actual support circumstances. This aspect is the merged measure of exterior load, required dependability, and total gearbox daily life. In common, revealed support elements are the least demands for a distinct software, but a larger benefit is required for significant loading. This calculation is also advised for higher-speed gearboxes. Nevertheless, the support element need to not be a sole determining factor in the selection approach.
The second gear of a pair of gears has much more tooth than the first gear. It also turns slower, but with higher torque. The next gear usually turns in the reverse direction. The animation demonstrates this alter in path. A gearbox can also have much more than one pair of gears, and a first gear may be used for the reverse. When a gear is shifted from one situation to yet another, the next gear is engaged and the first equipment is engaged yet again.
Another term used to describe a gearbox is “gear box.” This term is an interchangeable term for diverse mechanical models containing gears. Gearboxes are generally employed to change pace and torque in a variety of purposes. Therefore, comprehending the gearbox and its areas is important to preserving your car’s performance. If you want to extend the daily life of your car, be sure to check the gearbox’s efficiency. The far better its functioning, the less most likely it is to fail.

Positive aspects

Automatic transmission bins are practically identical to mechanical transmission containers, but they also have an digital part that establishes the comfort and ease of the driver. Computerized transmission containers use special blocks to manage shifts successfully and consider into account information from other systems, as nicely as the driver’s enter. This assures precision and positioning. The adhering to are a couple of gearbox advantages:
A gearbox results in a tiny volume of drag when pedaling, but this drag is offset by the enhanced hard work to climb. The external derailleur system is much more productive when adjusted for friction, but it does not create as little drag in dry circumstances. The internal gearbox enables engineers to tune the shifting program to minimize braking issues, pedal kickback, and chain growth. As a outcome, an internal gearbox is a great option for bikes with substantial-performance factors.
Helical gearboxes offer you some rewards, including a minimal noise level and reduce vibration. They are also hugely durable and reliable. They can be prolonged in modular trend, which makes them much more high-priced. Gearboxes are very best for programs involving heavy hundreds. Alternatively, you can opt for a gearbox with numerous tooth. A helical gearbox is far more resilient and sturdy, but it is also more high-priced. However, the benefits considerably outweigh the down sides.
A gearbox with a handbook transmission is frequently much more vitality-successful than a single with an computerized transmission. In addition, these cars normally have reduce fuel use and increased emissions than their automatic counterparts. In addition, the driver does not have to be concerned about the brakes putting on out swiftly. Yet another advantage of a manual transmission is its affordability. A guide transmission is often accessible at a lower value than its computerized counterpart, and repairs and interventions are less difficult and much less costly. And if you have a mechanical issue with the gearbox, you can handle the gasoline intake of your motor vehicle with appropriate driving habits.


Although deciding on a gearbox for a particular software, the customer need to think about the load on the output shaft. Substantial affect hundreds will use out equipment tooth and shaft bearings, necessitating higher provider aspects. Other aspects to contemplate are the measurement and style of the output shaft and the surroundings. Thorough details on these variables will aid the client select the greatest gearbox. Many sizing programs are accessible to decide the most acceptable gearbox for a specific application.
The sizing of a gearbox depends on its enter velocity, torque, and the motor shaft diameter. The input velocity have to not exceed the required gearbox’s rating, as higher speeds can trigger premature seal put on. A low-backlash gearbox may be sufficient for a specific software. Making use of an output mechanism of the correct dimension might assist enhance the input speed. Nevertheless, this is not suggested for all purposes. To choose the appropriate gearbox, examine the manufacturer’s warranty and get in touch with customer support associates.
Different gearboxes have diverse strengths and weaknesses. A normal gearbox ought to be resilient and adaptable, but it must also be ready to transfer torque efficiently. There are a variety of varieties of gears, which includes open up gearing, helical gears, and spur gears. Some of the sorts of gears can be used to electricity large industrial machines. For instance, the most well-liked type of gearbox is the planetary drive gearbox. These are utilized in materials handling gear, conveyor methods, energy vegetation, plastics, and mining. Gearboxes can be used for substantial-speed applications, this sort of as conveyors, crushers, and relocating monorail programs.
Provider variables decide the existence of a gearbox. Frequently, producers recommend a service element of 1.. Nevertheless, the real worth might be increased or decrease than that. It is typically helpful to contemplate the provider aspect when picking a gearbox for a specific software. A service element of 1.4 signifies that the gearbox can handle 1.4 moments the load required. For example, a 1,000-inch-pound gearbox would want a 1,400-inch-pound gearbox. Service aspects can be modified to match various apps and circumstances.

China Professional Custom 12mm 3V 6V 12V Metal Gearbox with N20 DC Gear Motor     with Great qualityChina Professional Custom 12mm 3V 6V 12V Metal Gearbox with N20 DC Gear Motor     with Great quality