6.3:1 Metal Gearmotor 37Dx65L mm 12V with 64 CPR Encoder (Helical Pinion)

This robust 12V gearmotor is a powerhouse of a brushed DC motor, boasting a 6.25:1 metal gearbox and an integrated quadrature encoder. The encoder delivers a resolution of 64 counts per revolution of the motor shaft, which equates to 400 counts per revolution of the gearbox's output shaft. The gearbox is primarily composed of spur gears, but it incorporates helical gears in the first stage for minimized noise and maximized efficiency. The units come with a 16mm long, 6mm diameter D-shaped output shaft. Pololu also offers this gearmotor without an encoder.

The key specifications of this gearmotor include a voltage of 12V, a no-load performance of 1600 RPM and 200 mA, and a stall extrapolation of 3.0 kg⋅cm (42 oz⋅in), 5.5 A. These specifications make it an excellent choice for a wide range of applications.

This gearmotor is a versatile and reliable choice for projects that require efficient and quiet operation. The helical gears ensure smooth and quiet operation, making it ideal for applications where noise reduction is essential. The high resolution of the integrated encoder allows for precise control over the speed and direction of the motor, making it suitable for robotics and automation applications.

The robust metal gearbox of this gearmotor ensures its durability and longevity, even in demanding environments. The D-shaped output shaft allows for secure coupling, reducing the risk of slippage and ensuring reliable performance. With its combination of power, precision, and durability, this gearmotor is an excellent choice for a wide range of applications.