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Three Phase Stepper Motor

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57mm Series 3 Phase Stepper Motor


● Number of Poles: Bipolar

● Rated Torque: 23N.M/36N.M/45N.M

● Step Acurracy: ±5%(synchronizing no-load)

● Temperature Rise: 80°CMax

● Ambient Temperature: -20°C~+50°C Voltage

● Insulation Resistance: 100MΩmin.500VDC

● Voltage Resistance: 500V AC for one minute

● Radial runout: 0.06Max.(450g-load)

● Axial runout: 0.08Max.(450g-load)

● Application: Engraving machine laser machine CNC machine tool textile and garment machinery medical equipmentmeasuring equipmentetc.

Technical specifications

ModelPhase numberStep angle (°)Holding torque (N.m)Rated current
Phase inductance (mH)Phase resistance
Number of leadRotor inertia
Motor weight (Kg)Motor body length  L(mm)

Overall dimensions of 57 series


● Stepper motor is brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any position sensor for feedback , as long as the motor is carefully sized to the application in respect to torque and speed.

● Stepper motors, with their ability to produce high torque at a low speed while minimizing vibration, are ideal for applications requiring quick positioning over a short distance. Stepping technology allows for the use of an open-loop controller – simplifying machine design and lowering total cost compared to a servo motor system.

● Simtach designs and manufactures three main types of stepper motors: Hybrid Stepper Motors, (Step-Servo motors). We provide our customers with a wide selection of step motors with a range of: sizes, phases, and step angles, brake,etc.


● The stepper motors and drivers are widely applied in many innovative applications, including: 3D Printers,CNC router, metal vertical machining in general,analytical and medical instruments, packaging machinery, precision telescope positioning systems, laser cutting machine, security Camera, engravers, image scanners, textile equipment, embroidery machine and robotics etc.