Main >> Applications >> Sample problems >> Stepper motor torque

Stepper motor torque

rotary actuator, stepping motor, step motor, brushless DC electric motor

Problem Type:
Plane-parallel problem of DC magnetics

Geometry:

Stator length L_z = 30 mm.

Given:
Stator teeth number 88.
Coil current I = 4*100 Ampere-turn
Steel magnetic permeability μ - BH-curve::

Task:
Calculate torque vs. rotor position.

Solution:
Parametric tool LabelMover is used to automate calculations.

Results:
Torque vs. rotor position

Video: Stepper motor torque

Watch on YouTube.

Download simulation files (files may be viewed using any QuickField Edition).