Warranty: 3 months
Model Number: 1215-1 planetary gear motor
Usage: BOAT, Car, Electric Bicycle, FAN, Home Appliance
Torque: 600g.cm
Construction: Permanent Magnet
Commutation: Brush
Protect Feature: Totally Enclosed
Speed(RPM): 29
Efficiency: IE 1
Structure: Precious metal brush and Commutation
Gearbox stages: 4
Transmission ratio: 384
Terminal resistance: 9.274Ω
No-load speed: 29rpm
No-load current: 15mA
Load torque: 600g.cm
Load Speed: 26rpm
Load current: 80mA
motor custom: available
Packaging Details: Each batch of products has double protection, the inner packing is foam box, and the outer packing is corrugated carton.
Port: PORT OF ZheJiang

1. Parameters can be adjusted according to the needs of customers.
2.10 years factory, high quality, price advantage,strong supply capacity.2. Certification: ISO9001, CE, ROHS
Product Name:1215 12mm 5.0v DC plastic mental planetary reduction gear motor for electric toolsBrand:XZJDStructure:Precious mental brush and CommutationUsage:toothbrush, sex machines, cell phone and so onChose:Tell me your parameters and we will provide customized service. Detail image Characteristics
Outline drawings
click contact us know more
Other Specification Click the blue number to select the corresponding motor DC coreless driving motor Specification SeriesMotor LengthVoltageSpeedCustomized SerivemmVrpmΦ4mm7.6/8.1/11.2/12.11.5V~6.0V 10000~100000All motors in our company can be customized according to customers’ requirement.Φ6mm9.3/10.3/12.0/14.0/15.2/16.61.5V~6.0V5000~80000Φ7mm10.5/14.1/16.5/20.01.5V~12.0V5000~80000Φ8mm12.6/16.71.5V~12.0V5000~60000Φ8.5mm17.0/20.0/23.01.5V~12.0V5000~60000Φ10mm13.1/15.0/17.2/20.7/23.01.5V~24.0V3000~50000Φ12mm15.0/20.7/32.01.5V~24.0V3000~50000 Dc Coreless Vibration Motor Specification SeriesMotor LengthVoltageEccentric WeightCustomized SerivemmVmmΦ4mm~Φ10mmThe same as driving motor1.5V~6.0VAccording to customers’ requirementAll motors in our company can be customized according to customers’ requirement. Planetary Gearbox Motor Specification SeriesGearbox StagesTransmission RatioVoltageCustomized SeriveV Φ6mm1~45~17081.5V~6.0VAll motors in our company can be customized according to customers’ requirement.Φ8mm1~44~8091.5V~12.0VΦ10mm1~44~8091.5V~24.0VΦ12mm1~44~12961.5V~24.0V Dc Sonic Motor For Electric Toothbrush SeriesSizeVoltageOperating FrequencyAmplitudemmVHz1434ZDFΦ14*343.7220~340±20°1640ZDFΦ 3SPA 3SPB 3SPC TAPER LOCK BUSH PULLEYS CAST IRON V BELT PULLEYS SHEAVES 18*38.83.7200~360±20°1839ZDFΦ18*38.83.7220~330±20°2038ZDFΦ20*38.33.7230~330±20° If you want know more,please click to our website: company_profile.html Hot Recommend Our Company As a leader in hollow cup motor industry, Xiezheng electromechanical Co., Ltd. specialize in designing, developing, manufacturing and distributing of micro motors. We have been keeping quickly developing since our establishment 10 years ago. Our motors are widely applied in toys, home appliances and electric tools, etc. We produce more than 25 million hollow cup motors every year.We take the innovation as the motive force of the enterprise development, rely on abundant motor ability of design and application of professional development team, relying on sophisticated advanced production and testing equipment, rely on the development and the service concept of take the customer as the center, to provide customers with perfect motor solution, provides the high quality, high performance, low cost, fast delivery of the products.We have been ISO:9001:2015 quality management system certified and complied with it strictly, and doing our best to make sustainable improvement to keep our company innovative and creative to achieve the goal of assist our customer success, and become their reliable choice of driving system products.
Our factory
Our production line
Our equipment

Packing & Delivery Packing Details: The motors is packed in small foam boxes, 10 small foam boxes are shipped in thick carton. Details: 7-10 days after full payment in regualr product,more than 10 days for custom types and according to quantities.
Foam box 10 foam boxes The outer packing click contact us know more
Terms of paymentSamples≤$5000≥$5000Alibaba,Western union,T/T and so on.Usually by international express, such as FedEx,UPS, DHL, Gear Counter Shaft TNT. Often need 5-6 working days transportation time.Informal export declaration.Production time 10-20 working days, can be shipped by international express.Formal declaration for export, recommended by sea, the advantages of cheap, long time disadvantages.Air transport has advantagesof short time and disadvantages of high price. FAQ 1.Q:What parameter should I provide before the sample making ?A: Good question. Normally we need to know the dimensions (motor diameter, diameter shaft extension length, electrodes, etc.), the motor performance requirements (rated voltage, the speed control, no-load current, locked-rotor torque, locked-rotor current, load torque, load speed, load current, etc.), and other requirements (compatible with current limit, noise limited, life expectancy (corresponding to use conditions) required). If complete parameters cannot be provided, it is ok. Please tell us your installation requirements, product use and use requirements, and we will recommend some motors for you to choose according to these requirements.2.Q:Is there any Testing Report or Motor Specification when I get the sample ?A: Yes, we will attach the test report to the sample.As a matter of fact, before the sample is made, we will complete the PDF file of motor specifications (including motor profile, characteristic parameters and other requirements) according to your requirements and send it to you for confirmation. The sample will be made according to the specifications you have confirmed so as to meet your requirements to the maximum extent.3.Q:Can I get some samples first ? How soon can I get the samples ?
A: Yes, we can make a sample and provide it to you, but you need to pay the postage.The sample completion time depends on different motor specifications and requirements, generally 3-10 days can be completed.
4.Q:Is it possible for you to develop new motors if we provide the tooling cost?
A: Yes. Please kindly share the detailed requirements like performance, size, annual quantity, target price etc. Then we’ll make our evaluation to see if we can arrange or not.
5.Q:Is there a MOQ for your motors?
A: Yes. The MOQ is 1,000pcs for different models after sample approval. But it’s also okay for us to accept smaller lots like a few dozens, Auto 941 Limited Slip Diff for CZPT Hiace Hilux 41110-0K101 hundreds after sample approval.

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!


Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.


A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.


Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China best 1215 12mm Gear Motor 5v 12v DC With Plastic Metal Gearbox  with high qualityChina best 1215 12mm Gear Motor 5v 12v DC With Plastic Metal Gearbox  with high quality