
GM12-15BY Worm Gear Stepper Motor – High Precision, Compact Design
Motor Type: Permanent Magnet Stepper
Step Angle: 18°
Phase: 2
Wires: 4
Gear Type: Worm Gear (high reduction ratio)
Mounting: Standard NEMA-frame compatible (custom options available)
The GM12-15BY is a compact, high-performance worm gear stepper motor designed for applications requiring precise motion control in a small form factor. Combining a 2-phase, 4-wire stepper motor with a precision-engineered worm gearbox, this motor delivers reliable and accurate positioning with minimal backlash.
Key Features:
Step Angle: 18° per step
Rated Voltage: 5V DC
Phase Configuration: 2-phase, 4-wire
Max Starting Frequency: 600 PPS (at 5.0V DC)
Max Slewing Frequency: 800 PPS (at 5.0V DC)
Pull-in Torque: ≥4 gf·cm (at 700 PPS, 5.0V DC)
Pull-out Torque: ≥5 gf·cm (at 700 PPS, 5.0V DC)
No-load Speed: 114–3 RPM (depending on gear ratio)
Gear Ratio Options:
5:1, 10:1, 20:1, 30:1, 50:1, 100:1, 150:1, 210:1, 250:1, 298:1, 380:1, 420:1, 500:1, 600:1, 1000:1High Precision Gear Ratios: Accurate to within ±0.1% for most ratios
Output Torque Range: Up to 2247.7 gf·cm (depending on gear ratio)
Low Noise, Low Current, No Spark Operation
Direction of Rotation: Clockwise (viewed from output shaft side)
Applications:
Ideal for use in:
Robotics
Medical devices (e.g., pumps, stirrers, surgical tools)
Automation systems (e.g., electric valves, actuators)
Consumer electronics (e.g., electric curtains, small appliances)
Laboratory equipment (e.g., centrifuges)