The 57STH85M40X01 is a 57 mm hybrid stepper motor with a 0.9° step angle and a holding torque of at least 2200 mNm. It has a rated current per phase of 4.00 A (2-phase on), a rotor inertia of 530 g·cm², and 400 steps per revolution. The motor uses ball bearings, operates within an ambient temperature range of -20°C to +50°C, and withstands a maximum coil temperature of 130°C (Class B). It supports a maximum radial force of 75 N at 20 mm from the flange and a maximum axial force of 15 N. Insulation resistance is 100 Mohms at 500 VDC, and dielectric withstand voltage is 500 VDC for one minute. Leadwires are AWG22 UL1007.
57STH85 High Precision Hybrid Stepper Motor
57STH85M
The 57STH85-High Precision is a 2 phases 0.9° hybrid stepper motor. This high resolution stepper motor has half the step angle of standard stepper motors. The high precision type increases motor resolution from 200 steps/revolution to 400 steps/revolution. Smaller step angles can be achieved by half-step driving or microstep driving. If the pulse speed is within resonance region, vibration may increase. The stopping accuracy improves as the torque increases while minimizing the negative effect of the frictional load. Resonance regions can be avoided by switching to a 0.9° high-resolution type stepper motor.
Product Highlights
Applications
| Portescap | |
|---|---|
| Product Category | Stepper Motors (rotary) |
| Product Number | 57STH85M40X01 |
| Product Name | 57STH85 High Precision Hybrid Stepper Motor |
| Holding Torque | 312 In-oz (220 N-cm) |
