China Best Sales Micro Permanent Metal DC Geared Motor for Door Lock vacuum pump brakes

Product Description

Below are only some typical models, for more specification or a customed motor, pls contact us.

 

12ZYJ DC Gear Motor
Basic Info
Item Data
Tem Rise 40K
Working Tem (-20ºC~+80ºC)
Insulation Resistance 100MΩ min  500VDC
Surge Test 500VAC for 1min
Insulation Class E
Weight 15g

 The specifiction of Micro permanent metal dc geared motor for door lock

Technical Parameters
PN Rated Voltage Initial Speed Ratio Power Noload Speed Noload Current Rated Speed Rated Current Rated Torque Stall Torque Stall Current
V DC rpm 1:xxx W rpm mA rpm mA Kg.cm Kg.cm mA
12ZYJ-25A 3 7500 298 1 25 50 20 150 0.6 2 500
12ZYJ-150A 6 15000 100 1 150 50 120 150 0.3 1.5 500
12ZYJ-80A 6 20000 250 1 80 60 70 160 0.5 2 600

The drawing of Micro permanent metal dc geared motor for door lock

About our company
Probond motors designs brush, brushless, stepper, hysteresis and linear motors to meet customers requirements. 

Our motors use standard and special components with customer selected torque/speed requirements that can be modified to your applications.

CHINAMFG motor owns professional sales team and engineer team with more than 10 years experience in motor industry, based on China mainland handling overseas business for years, we know your needs better than others. 

Probond Sonicare Toothbrush Motor and Thermostatic Valve Hysteresis Motor are our hot products on sell in 2017 with highly quality level and competitive price. 

Terms of Trade
 

Terms of price FOB,CIF,CFR,EXW,DDP,etc.
Terms of payment 100% T/T in advance for samples
Bulk quantity payment way can be negotited
Warranty 12 months limited warranty once the items are delivered to the buyer.
Lead time Usually within 2 weeks for trial orders, within 3 weeks for bulk orders.
Package Carton o plywood pallet.
Place of loading ZheJiang , HangZhou, etc.
Shipment carrier Items are usually shipped via Fedex,DHL, TNT,UPS,EMS
for trial orders and via vessel for bulk orders.
Delivery time Usually within 5 working days by Express                           15-30 working days by vessel

Our promise to our Customers:
1.  Answer customer’s inquiry within 2 working days.
2.  Reply to our customer questions & Concerns within 3 working days.
3.  Acknowledge Customer purchase orders within 24 hours.

Contact 
  

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Application: Universal, Industrial, Household Appliances, Car, Power Tools, Robot
Operating Speed: High Speed
Excitation Mode: Excited
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Customization:
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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

gear motor

What types of feedback mechanisms are commonly integrated into gear motors for control?

Gear motors often incorporate feedback mechanisms to provide control and improve their performance. These feedback mechanisms enable the motor to monitor and adjust its operation based on various parameters. Here are some commonly integrated feedback mechanisms in gear motors:

1. Encoder Feedback:

An encoder is a device that provides position and speed feedback by converting the motor’s mechanical motion into electrical signals. Encoders commonly used in gear motors include:

  • Incremental Encoders: These encoders provide information about the motor’s shaft position and speed relative to a reference point. They generate pulses as the motor rotates, allowing precise measurement of position and speed changes.
  • Absolute Encoders: Absolute encoders provide the precise position of the motor’s shaft within a full revolution. They do not require a reference point and provide accurate feedback even after power loss or motor restart.

2. Hall Effect Sensors:

Hall effect sensors use the principle of the Hall effect to detect the presence and strength of a magnetic field. They are commonly used in gear motors for speed and position sensing. Hall effect sensors provide feedback by detecting changes in the motor’s magnetic field and converting them into electrical signals.

3. Current Sensors:

Current sensors monitor the electrical current flowing through the motor’s windings. By measuring the current, these sensors provide feedback regarding the motor’s torque, load conditions, and power consumption. Current sensors are essential for motor control strategies such as current limiting, overcurrent protection, and closed-loop control.

4. Temperature Sensors:

Temperature sensors are integrated into gear motors to monitor the motor’s temperature. They provide feedback on the motor’s thermal conditions, allowing the control system to adjust the motor’s operation to prevent overheating. Temperature sensors are crucial for ensuring the motor’s reliability and preventing damage due to excessive heat.

5. Hall Effect Limit Switches:

Hall effect limit switches are used to detect the presence or absence of a magnetic field within a specific range. They are commonly employed as end-of-travel or limit switches in gear motors. Hall effect limit switches provide feedback to the control system, indicating when the motor has reached a specific position or when it has moved beyond the allowed range.

6. Resolver Feedback:

A resolver is an electromagnetic device used to determine the position and speed of a rotating shaft. It provides feedback by generating sine and cosine signals that correspond to the shaft’s angular position. Resolver feedback is commonly used in high-performance gear motors requiring accurate position and speed control.

These feedback mechanisms, when integrated into gear motors, enable precise control, monitoring, and adjustment of various motor parameters. By utilizing feedback signals from encoders, Hall effect sensors, current sensors, temperature sensors, limit switches, or resolvers, the control system can optimize the motor’s performance, ensure accurate positioning, maintain speed control, and protect the motor from excessive loads or overheating.

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 are the different types of gears used in gear motors, and how do they impact performance?

Various types of gears are used in gear motors, each with its unique characteristics and impact on performance. The choice of gear type depends on the specific requirements of the application, including torque, speed, efficiency, noise level, and space constraints. Here’s a detailed explanation of the different types of gears used in gear motors and their impact on performance:

1. Spur Gears:

Spur gears are the most common type of gears used in gear motors. They have straight teeth that are parallel to the gear’s axis and mesh with another spur gear to transmit power. Spur gears provide high efficiency, reliable operation, and cost-effectiveness. However, they can generate significant noise due to the meshing of teeth, and they may produce axial thrust forces. Spur gears are suitable for applications that require high torque transmission and moderate to high rotational speeds.

2. Helical Gears:

Helical gears have angled teeth that are cut at an angle to the gear’s axis. This helical tooth configuration enables gradual engagement and smoother tooth contact, resulting in reduced noise and vibration compared to spur gears. Helical gears provide higher load-carrying capacity and are suitable for applications that require high torque transmission and moderate to high rotational speeds. They are commonly used in gear motors where low noise operation is desired, such as in automotive applications and industrial machinery.

3. Bevel Gears:

Bevel gears have teeth that are cut on a conical surface. They are used to transmit power between intersecting shafts, usually at right angles. Bevel gears can have straight teeth (straight bevel gears) or curved teeth (spiral bevel gears). These gears provide efficient power transmission and precise motion control in applications where shafts need to change direction. Bevel gears are commonly used in gear motors for applications such as steering systems, machine tools, and printing presses.

4. Worm Gears:

Worm gears consist of a worm (a type of screw) and a mating gear called a worm wheel or worm gear. The worm has a helical thread that meshes with the worm wheel, resulting in a compact and high gear reduction ratio. Worm gears provide high torque transmission, low noise operation, and self-locking properties, which prevent reverse motion. They are commonly used in gear motors for applications that require high gear reduction and locking capabilities, such as in lifting mechanisms, conveyor systems, and machine tools.

5. Planetary Gears:

Planetary gears, also known as epicyclic gears, consist of a central sun gear, multiple planet gears, and an outer ring gear. The planet gears mesh with both the sun gear and the ring gear, creating a compact and efficient gear system. Planetary gears offer high torque transmission, high gear reduction ratios, and excellent load distribution. They are commonly used in gear motors for applications that require high torque and compact size, such as in robotics, automotive transmissions, and industrial machinery.

6. Rack and Pinion:

Rack and pinion gears consist of a linear rack (a straight toothed bar) and a pinion gear (a spur gear with a small diameter). The pinion gear meshes with the rack to convert rotary motion into linear motion or vice versa. Rack and pinion gears provide precise linear motion control and are commonly used in gear motors for applications such as linear actuators, CNC machines, and steering systems.

The choice of gear type in a gear motor depends on factors such as the desired torque, speed, efficiency, noise level, and space constraints. Each type of gear offers specific advantages and impacts the performance of the gear motor differently. By selecting the appropriate gear type, gear motors can be optimized for their intended applications, ensuring efficient and reliable power transmission.

China Best Sales Micro Permanent Metal DC Geared Motor for Door Lock   vacuum pump brakesChina Best Sales Micro Permanent Metal DC Geared Motor for Door Lock   vacuum pump brakes
editor by CX 2024-04-16