China OEM 12mm Diameter Long Life Micro Brushless 12V/24V Pm DC Planetary Gear Motor vacuum pump and compressor

Product Description

12mm Diameter Long Life Micro Brushless 12V/24V PM DC Planetary Gear Motor

Product overview:

Planetary gearheads feature extremely high power transmission with a very short design. The modular design and the scaled stages provide the basis for a customer-specific solution. Metal components make use in a wide range of applications possible.At the same time they have a very compact form, low weight, and excellent efficiency. Self-centering planet gears ensure a symmetrical force distribution. The ring gear also forms the housing of the gearbox. The gearbox output shaft is supported in 2 ball bearings so that it can withstand high axial and radial loads. The gearboxes are customized, e.g. for use in especially low ambient temperatures, or as high-power gearboxes with reinforced output shafts, or with special lubricants for very long service life.

Specifications of DC motor/
1 Nominal voltage/        6V DC 7.4V DC
2 No load current /     35 mA 40 mA
3 No load speed/ 23000 RPM 27000 RPM
4 Rated current/       250mA 250 mA
5 Rated speed/ 20000 RPM 23000 RPM
6 Rated torque/ 0.5 mNm 0.5 mNm
7 Stall current/        1750mA 1420 mA
8 Stall torque/   3.7mNm 3.4 mNm
9 Max. efficiency/        72.0% 70.0%
10 Ambient temperature/        -10°C~+60°C
11 Output bearing/  Sleeve bearing/
12 Type of brush/      precious metal brush
Specifications of gearmotor under 6.0VDC/6.0VDC
Stage Ratio Rated current Rated speed Rated torque Max.momentary current Max.momentary torque Weight
1 4:1 250 mA 5000 RPM 1.6mNm 370 mA 2.4 mNm 12.3 g
               
               
2 16:1 250 mA 1250 RPM 5.12 mNm 370 mA 7.68 mNm 16.3 g
               
               
3 64:1 250 mA 312.5 RPM 16.4 mNm 370 mA 24.6 mNm 20.3 g
               
               
4 256:1 250 mA 78 RPM 52.5 mNm 370 mA 78.75mNm 24.4 g
               
               
5 1571:1 250 mA 19.5 RPM 167.7 mNm 370 mA 251.5mNm 28.4 g
5              
Specifications of gearmotor under 7.4VDC/7.4VDC
Stage Ratio Rated current Rated speed Rated torque Max.momentary current Max.momentary torque Weight
1 4:1 250 mA 5750 RPM 1.6mNm 330 mA 2.4 mNm 12.3 g
               
               
2 16:1 250 mA 1437.5 RPM 5.12 mNm 330 mA 7.68 mNm 16.3 g
               
               
3 64:1 250 mA 359.5 RPM 16.4 mNm 330 mA 24.6 mNm 20.3 g
               
               
4 256:1 250 mA 90 RPM 52.5 mNm 330 mA 78.75mNm 24.4 g
               
               
5 1571:1 250 mA 22.5 RPM 167.7 mNm 330 mA 251.5mNm 28.4 g
               
                 
Pict

 
          Gearbox stages Length of gearbox X Length of gearmotor  L
                   X    L
            1 14.4 29.4
            2 18.4 33.4
            3 22.4 37.4
            4 26.4 41.4
            5 30.4 45.4

Typical applications:
 

  1. ATM in bank,Robot,Door-lock,Auto shutter, USB fan,Slot machine,Money detector, Coin refund devices
  2. Currency count machine, Towel dispensers, Automatic doors,Peritoneal machine
  3. Automatic TV rack, Office equipemt ,Household appliances,Automatic, medical screwdriver, robotic arms
  4. Lab stirrer, Cosmetology instrument, Medical devices, Hairdressing equipment,Cameras,Health-care articles

Miscellanea:
 

  1. Please contact us to get detailed specifications and drawings for the geared motor you’re looking for.
  2. We are able to design and produce the geared motor you specified.(OEM & ODM).
  3. Please visit us at silent to get more information.

 

Operating Speed: Low Speed
Power Source: Permanent Magnet
Function: Control
Casing Protection: Explosion-Proof Type
Number of Poles: 4
Structure: Electromagnetic
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Customization:
Available

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gear motor

Are there innovations or emerging technologies in the field of gear motor design?

Yes, there are several innovations and emerging technologies in the field of gear motor design. These advancements aim to improve the performance, efficiency, compactness, and reliability of gear motors. Here are some notable innovations and emerging technologies in gear motor design:

1. Miniaturization and Compact Design:

Advancements in manufacturing techniques and materials have enabled the miniaturization of gear motors without compromising their performance. Gear motors with compact designs are highly sought after in applications where space is limited, such as robotics, medical devices, and consumer electronics. Innovative approaches like micro-gear motors and integrated motor-gear units are being developed to achieve smaller form factors while maintaining high torque and efficiency.

2. High-Efficiency Gearing:

New gear designs focus on improving efficiency by reducing friction and mechanical losses. Advanced gear manufacturing techniques, such as precision machining and 3D printing, allow for the creation of intricate gear tooth profiles that optimize power transmission and minimize losses. Additionally, the use of high-performance materials, coatings, and lubricants helps reduce friction and wear, improving overall gear motor efficiency.

3. Magnetic Gearing:

Magnetic gearing is an emerging technology that replaces traditional mechanical gears with magnetic fields to transmit torque. It utilizes the interaction of permanent magnets to transfer power, eliminating the need for physical gear meshing. Magnetic gearing offers advantages such as high efficiency, low noise, compactness, and maintenance-free operation. While still being developed and refined, magnetic gearing holds promise for various applications, including gear motors.

4. Integrated Electronics and Controls:

Gear motor designs are incorporating integrated electronics and controls to enhance performance and functionality. Integrated motor drives and controllers simplify system integration, reduce wiring complexity, and allow for advanced control features. These integrated solutions offer precise speed and torque control, intelligent feedback mechanisms, and connectivity options for seamless integration into automation systems and IoT (Internet of Things) platforms.

5. Smart and Condition Monitoring Capabilities:

New gear motor designs incorporate smart features and condition monitoring capabilities to enable predictive maintenance and optimize performance. Integrated sensors and monitoring systems can detect abnormal operating conditions, track performance parameters, and provide real-time feedback for proactive maintenance and troubleshooting. This helps prevent unexpected failures, extend the lifespan of gear motors, and improve overall system reliability.

6. Energy-Efficient Motor Technologies:

Gear motor design is influenced by advancements in energy-efficient motor technologies. Brushless DC (BLDC) motors and synchronous reluctance motors (SynRM) are gaining popularity due to their higher efficiency, better power density, and improved controllability compared to traditional brushed DC and induction motors. These motor technologies, when combined with optimized gear designs, contribute to overall system energy savings and performance improvements.

These are just a few examples of the innovations and emerging technologies in gear motor design. The field is continuously evolving, driven by the need for more efficient, compact, and reliable motion control solutions in various industries. Gear motor manufacturers and researchers are actively exploring new materials, manufacturing techniques, control strategies, and system integration approaches to meet the evolving demands of modern 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

What is a gear motor, and how does it combine the functions of gears and a motor?

A gear motor is a type of motor that incorporates gears into its design to combine the functions of gears and a motor. It consists of a motor, which provides the mechanical power, and a set of gears, which transmit and modify this power to achieve specific output characteristics. Here’s a detailed explanation of what a gear motor is and how it combines the functions of gears and a motor:

A gear motor typically consists of two main components: the motor and the gear system. The motor is responsible for converting electrical energy into mechanical energy, generating rotational motion. The gear system, on the other hand, consists of multiple gears with different sizes and tooth configurations. These gears are meshed together in a specific arrangement to transmit and modify the output torque and speed of the motor.

The gears in a gear motor serve several functions:

1. Torque Amplification:

One of the primary functions of the gear system in a gear motor is to amplify the torque output of the motor. By using gears with different sizes, the input torque can be effectively multiplied or reduced. This allows the gear motor to provide higher torque at lower speeds or lower torque at higher speeds, depending on the gear arrangement. This torque amplification is beneficial in applications where high torque is required, such as in heavy machinery or vehicles.

2. Speed Reduction or Increase:

The gear system in a gear motor can also be used to reduce or increase the rotational speed of the motor output. By utilizing gears with different numbers of teeth, the gear ratio can be adjusted to achieve the desired speed output. For example, a gear motor with a higher gear ratio will output lower speed but higher torque, whereas a gear motor with a lower gear ratio will output higher speed but lower torque. This speed control capability allows for precise matching of motor output to the requirements of specific applications.

3. Directional Control:

Gears in a gear motor can be used to control the direction of rotation of the motor output shaft. By employing different combinations of gears, such as spur gears, bevel gears, or worm gears, the rotational direction can be changed. This directional control is crucial in applications where bidirectional movement is required, such as in conveyor systems or robotic arms.

4. Load Distribution:

The gear system in a gear motor helps distribute the load evenly across multiple gears, which reduces the stress on individual gears and increases the overall durability and lifespan of the motor. By sharing the load among multiple gears, the gear motor can handle higher torque applications without putting excessive strain on any particular gear. This load distribution capability is especially important in heavy-duty applications that require continuous operation under demanding conditions.

By combining the functions of gears and a motor, gear motors offer several advantages. They provide torque amplification, speed control, directional control, and load distribution capabilities, making them suitable for various applications that require precise and controlled mechanical power. Gear motors are commonly used in industries such as robotics, automotive, manufacturing, and automation, where reliable and efficient power transmission is essential.

China OEM 12mm Diameter Long Life Micro Brushless 12V/24V Pm DC Planetary Gear Motor   vacuum pump and compressor	China OEM 12mm Diameter Long Life Micro Brushless 12V/24V Pm DC Planetary Gear Motor   vacuum pump and compressor
editor by CX 2023-12-01