China Hot selling High Performance Low Price gear 10kw bldc 12v DC dual shaft motor vacuum pump diy

Product Description


Product Description:

Gear Motor-Torque Table Allowance Torque Unit:Upside (N.m)/Belowside (

•Gearhead and Intermediate gearhead are sold separately.
•Enter the reduction ratio into the blank() within the model name.
•The speed is calculated by dividing the motor’s synchronous speed by the reduction ratio. The actual speed is 2%~20% less than the displayed value, depending on the size of the load.
•To reduce the speed beyond the reduction ratio in the following table, attach an intermediate gearhead (reduction ratio: 10) between the reducer and motor. In that case, the permissible torque is 20N.m.




Gear Ratio























































































Company Information

Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.

Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge. 

Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Please contact us if you have detailed requests, thank you () /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Power Tools
Operating Speed: Constant Speed
Structure and Working Principle: Brushless
Certification: ISO9001, CCC, CCC, CE, RoHS, UL
Commutation: Brushless
Transport Package: Cnt


gear motor

How is the efficiency of a gear motor measured, and what factors can affect it?

The efficiency of a gear motor is a measure of how effectively it converts electrical input power into mechanical output power. It indicates the motor’s ability to minimize losses and maximize its energy conversion efficiency. The efficiency of a gear motor is typically measured using specific methods, and several factors can influence it. Here’s a detailed explanation:

Measuring Efficiency:

The efficiency of a gear motor is commonly measured by comparing the mechanical output power (Pout) to the electrical input power (Pin). The formula to calculate efficiency is:

Efficiency = (Pout / Pin) * 100%

The mechanical output power can be determined by measuring the torque (T) produced by the motor and the rotational speed (ω) at which it operates. The formula for mechanical power is:

Pout = T * ω

The electrical input power can be measured by monitoring the current (I) and voltage (V) supplied to the motor. The formula for electrical power is:

Pin = V * I

By substituting these values into the efficiency formula, the efficiency of the gear motor can be calculated as a percentage.

Factors Affecting Efficiency:

Several factors can influence the efficiency of a gear motor. Here are some notable factors:

  • Friction and Mechanical Losses: Friction between moving parts, such as gears and bearings, can result in mechanical losses and reduce the overall efficiency of the gear motor. Minimizing friction through proper lubrication, high-quality components, and efficient design can help improve efficiency.
  • Gearing Efficiency: The design and quality of the gears used in the gear motor can impact its efficiency. Gear trains can introduce mechanical losses due to gear meshing, misalignment, or backlash. Using well-designed gears with proper tooth profiles and minimizing gear train losses can improve efficiency.
  • Motor Type and Construction: Different types of motors (e.g., brushed DC, brushless DC, AC induction) have varying efficiency characteristics. Motor construction, such as the quality of magnetic materials, winding resistance, and rotor design, can also affect efficiency. Choosing motors with higher efficiency ratings can improve overall gear motor efficiency.
  • Electrical Losses: Electrical losses, such as resistive losses in motor windings or in the motor drive circuitry, can reduce efficiency. Minimizing resistance, optimizing motor drive electronics, and using efficient control algorithms can help mitigate electrical losses.
  • Load Conditions: The operating conditions and load characteristics placed on the gear motor can impact its efficiency. Heavy loads, high speeds, or frequent acceleration and deceleration can increase losses and reduce efficiency. Matching the gear motor’s specifications to the application requirements and optimizing load conditions can improve efficiency.
  • Temperature: Elevated temperatures can significantly affect the efficiency of a gear motor. Excessive heat can increase resistive losses, reduce lubrication effectiveness, and affect the magnetic properties of motor components. Proper cooling and thermal management techniques are essential to maintain optimal efficiency.

By considering these factors and implementing measures to minimize losses and optimize performance, the efficiency of a gear motor can be enhanced. Manufacturers often provide efficiency specifications for gear motors, allowing users to select motors that best meet their efficiency requirements for specific applications.

gear motor

Can you explain the role of backlash in gear motors and how it’s managed in design?

Backlash plays a significant role in gear motors and is an important consideration in their design and operation. Backlash refers to the slight clearance or play between the teeth of gears in a gear system. It affects the precision, accuracy, and responsiveness of the gear motor. Here’s an explanation of the role of backlash in gear motors and how it is managed in design:

1. Role of Backlash:

Backlash in gear motors can have both positive and negative effects:

  • Compensation for Misalignment: Backlash can help compensate for minor misalignments between gears, shafts, or the load. It allows a small amount of movement before engaging the next set of teeth, reducing the risk of damage due to misalignment. This can be particularly beneficial in applications where precise alignment is challenging or subject to variations.
  • Negative Impact on Accuracy and Responsiveness: Backlash can introduce a delay or “dead zone” in the motion transmission. When changing the direction of rotation or reversing the load, the gear teeth must first overcome the clearance or play before engaging in the opposite direction. This delay can reduce the overall accuracy, responsiveness, and repeatability of the gear motor, especially in applications that require precise positioning or rapid changes in direction or speed.

2. Managing Backlash in Design:

Designers employ various techniques to manage and minimize backlash in gear motors:

  • Tight Manufacturing Tolerances: Proper manufacturing techniques and tight tolerances can help minimize backlash. Precision machining and quality control during the production of gears and gear components ensure closer tolerances, reducing the amount of play between gear teeth.
  • Preload or Pre-tensioning: Applying a preload or pre-tensioning force to the gear system can help reduce backlash. This technique involves introducing an initial force or tension that eliminates the clearance between gear teeth. It ensures immediate contact and engagement of the gear teeth, minimizing the dead zone and improving the overall responsiveness and accuracy of the gear motor.
  • Anti-Backlash Gears: Anti-backlash gears are designed specifically to minimize or eliminate backlash. They typically feature modifications to the gear tooth profile, such as modified tooth shapes or special tooth arrangements, to reduce clearance. Anti-backlash gears can be used in gear motor designs to improve precision and minimize the effects of backlash.
  • Backlash Compensation: In some cases, backlash compensation techniques can be employed. These techniques involve monitoring the position or movement of the load and applying control algorithms to compensate for the backlash. By accounting for the clearance and adjusting the control signals accordingly, the effects of backlash can be mitigated, improving accuracy and responsiveness.

3. Application-Specific Considerations:

The management of backlash in gear motors should be tailored to the specific application requirements:

  • Positioning Accuracy: Applications that require precise positioning, such as robotics or CNC machines, may require tighter backlash control to ensure accurate and repeatable movements.
  • Dynamic Response: Applications that involve rapid changes in direction or speed, such as high-speed automation or servo control systems, may require reduced backlash to maintain responsiveness and minimize overshoot or lag.
  • Load Characteristics: The nature of the load and its impact on the gear system should be considered. Heavy loads or applications with significant inertial forces may require additional backlash management techniques to maintain stability and accuracy.

In summary, backlash in gear motors can affect precision, accuracy, and responsiveness. While it can compensate for misalignments, backlash may introduce delays and reduce the overall performance of the gear motor. Designers manage backlash through tight manufacturing tolerances, preload techniques, anti-backlash gears, and backlash compensation methods. The management of backlash depends on the specific application requirements, considering factors such as positioning accuracy, dynamic response, and load characteristics.

gear motor

Are there specific considerations for selecting the right gear motor for a particular application?

When selecting a gear motor for a specific application, several considerations need to be taken into account. The choice of the right gear motor is crucial to ensure optimal performance, efficiency, and reliability. Here’s a detailed explanation of the specific considerations for selecting the right gear motor for a particular application:

1. Torque Requirement:

The torque requirement of the application is a critical factor in gear motor selection. Determine the maximum torque that the gear motor needs to deliver to perform the required tasks. Consider both the starting torque (the torque required to initiate motion) and the operating torque (the torque required to sustain motion). Select a gear motor that can provide adequate torque to handle the load requirements of the application. It’s important to account for any potential torque spikes or variations during operation.

2. Speed Requirement:

Consider the desired speed range or specific speed requirements of the application. Determine the rotational speed (in RPM) that the gear motor needs to achieve to meet the application’s performance criteria. Select a gear motor with a suitable gear ratio that can achieve the desired speed at the output shaft. Ensure that the gear motor can maintain the required speed consistently and accurately throughout the operation.

3. Duty Cycle:

Evaluate the duty cycle of the application, which refers to the ratio of operating time to rest or idle time. Consider whether the application requires continuous operation or intermittent operation. Determine the duty cycle’s impact on the gear motor, including factors such as heat generation, cooling requirements, and potential wear and tear. Select a gear motor that is designed to handle the expected duty cycle and ensure long-term reliability and durability.

4. Environmental Factors:

Take into account the environmental conditions in which the gear motor will operate. Consider factors such as temperature extremes, humidity, dust, vibrations, and exposure to chemicals or corrosive substances. Choose a gear motor that is specifically designed to withstand and perform optimally under the anticipated environmental conditions. This may involve selecting gear motors with appropriate sealing, protective coatings, or materials that can resist corrosion and withstand harsh environments.

5. Efficiency and Power Requirements:

Consider the desired efficiency and power consumption of the gear motor. Evaluate the power supply available for the application and select a gear motor that operates within the specified voltage and current ranges. Assess the gear motor’s efficiency to ensure that it maximizes power transmission and minimizes wasted energy. Choosing an efficient gear motor can contribute to cost savings and reduced environmental impact.

6. Physical Constraints:

Assess the physical constraints of the application, including space limitations, mounting options, and integration requirements. Consider the size, dimensions, and weight of the gear motor to ensure it can be accommodated within the available space. Evaluate the mounting options and compatibility with the application’s mechanical structure. Additionally, consider any specific integration requirements, such as shaft dimensions, connectors, or interfaces that need to align with the application’s design.

7. Noise and Vibration:

Depending on the application, noise and vibration levels may be critical factors. Evaluate the acceptable noise and vibration levels for the application’s environment and operation. Choose a gear motor that is designed to minimize noise and vibration, such as those with helical gears or precision engineering. This is particularly important in applications that require quiet operation or where excessive noise and vibration may cause issues or discomfort.

By considering these specific factors when selecting a gear motor for a particular application, you can ensure that the chosen gear motor meets the performance requirements, operates efficiently, and provides reliable and consistent power transmission. It’s important to consult with gear motor manufacturers or experts to determine the most suitable gear motor based on the specific application’s needs.

China Hot selling High Performance Low Price gear 10kw bldc 12v DC dual shaft motor   vacuum pump diyChina Hot selling High Performance Low Price gear 10kw bldc 12v DC dual shaft motor   vacuum pump diy
editor by CX 2024-05-16