GB37-500 Motor Gearbox DC 12V DC 70RPM Reduction Gear Motor Large Torque

Product Specification

GB37-500 Motor Gearbox Motor 12V DC 70RPM 1.4Kg.cm Reduction Gear Motor Large Torque

Key Features:

• Operating Voltage: 10V DC to 14V DC (Customizable up to 24V DC upon request).

• Model Name:GB37Y500
• Rated Volt:12V

• No-load Speed:70士10% r/min

• No-load Current:100mA
• Rated Load Speed:57士10% r/min
• Rated Load Current:250mA
• Rated Torque:1.4kg.cm
• Stall Torque:5.6kg.cm (Mini)
• Single 500 Motor Size:32mm*19.5mm(Dia*L) 
• Single 500 Motor Type:RF-500TB/RK-500TB
• Gearbox Shaft Diameter:5±0.05mm  (D shaft)
• Gearbox Length:14.4±0.1mm
• Gearbox Step Height:2.5±0.3mm
• Gearbox Diameter:49.5mm
• Direction of Rotation:CW
• Weight: Approximately 95g (varies with the selected reduction ratio).
• Environmental Tests:-30℃-＋80℃

GB37-500 Motor Gearbox Motor 12V DC 70RPM 1.4Kg.cm Spur Gear DC Motor Large Torque Parameter List

*Remarks: The / in the table indicates that it is not possible to block the rotation, if it occurs, it may cause damage to the internal gears.

GB37-500 Motor Gearbox Motor  Dimensions

Notes

1. Usable machine screw length 1. 0max. from motor mounting surface.
2. AI lowable torque for screwing of tapped hole:2. 5kgf-cm max.
3. No remarkable scraches on dents on the surface.
4. Tolerances not otherwise specified decimal: 士0.3mm.
 

Comparison of Plastic and Metal Gear Motors in Miniature DC Applications: JS40-500 vs GB37Y500

The main differences between plastic and metal reduction gears in miniature DC motors lie in materials, manufacturing processes, performance, and application scenarios.

Materials and Manufacturing Processes

• Plastic Reduction Gears (e.g., JS40-500 Gear Motor): These are usually made from engineering plastics. The manufacturing method is primarily injection molding, which allows for mass production in a short time and enables the creation of complex gear shapes through mold design.

• Metal Reduction Gears (e.g., GB37Y500 Gear Motor): These are mainly made from steel, copper, aluminum, or other metals. The manufacturing process primarily involves cutting and grinding, which ensures high precision and coaxiality, but the process is relatively more complex.

Performance and Application Scenarios

• Plastic Reduction Gears (JS40-500):
  Advantages: Small in size, lightweight, and operate quietly. Suitable for scenarios requiring low noise and high precision. Some plastic materials have good wear resistance and self-lubricating properties, making them suitable for environments that resist corrosion from acids, alkalis, or organic solvents.
  Disadvantages: Lower strength, prone to wear and deformation under heavy loads and high torque. Poor heat resistance, making them unsuitable for high-temperature environments.

• Metal Reduction Gears (GB37Y500):
  Advantages: High strength, suitable for high-torque and heavy-load applications, high transmission efficiency, and long service life.
  Disadvantages: Heavier in weight and noisier during operation, making them less suitable for applications that require lightweight and quiet operation.

Cost and Maintenance

• Plastic Reduction Gears (JS40-500): Due to mass production by injection molding, the cost is relatively low. Additionally, the wear resistance and self-lubricating properties reduce maintenance requirements.

• Metal Reduction Gears (GB37Y500): Due to the complex manufacturing process and higher material costs, the overall cost is higher. However, their high strength and long lifespan reduce the frequency of maintenance.