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STEP MOTOR SM8680

Stepper motor SM8680 is a prosperous solution for woodworking, plastic working and many other tooling solutions. These stepper motors operate in CNC machines, electrical discharge machines, milling systems, grading machines as well as in labelling machines, label dispensers, automatic printers, laser cutting machines and many other automation solutions that require precise positioning with higher torque.

To control SM8680 we recommend step motor driver SMD-4.2 or SMD-9.0 or step motor controller SMSD-4.2 or SMSD-8.0.

The main parameters of stepper motor SM8680

  • Maximum holding torque: 45 kgf*cm (4.4 N*m) – bipolar wire connecting.
  • Maximum current per phase: 4.2A
  • Phase resistance: 0.8 Ohm
  • Phase inductance: 3.5 mH
  • Rotor inertia: 1400 g*cm2
  • Weigh: 2.3 kg
  • Dimensions of stepper motor SM8680:

    stepmotor SM8680 - dimensions

    Wiring of stepper motor SM8680:

    wiring of stepper motor SM8680 - serial connection wiring of stepper motor SM8680 - parallel connection

    serial connection

    parallel connection

    Speed-torque curve

    Below is the speed-torque curves for the stepper motor SM8680 with stepmotor controller SMSD-8.0. The testing conditions: microstepping 1/2, current per phase - 4.5Amp. Y-axis - torqure, kgf*cm, X-axis - rotation speed, rpm. Click on the image to enlarge.

    Parallel connection:
    Speed-torque curve - SM8680, parallel connection

    Serial connection:
    Speed-torque curve - SM8680, serial connection

    Characteristics for SM8680 with other drivers and controllers are available for downloading on the right side of the page.

    stepmotor SM8680

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