China schrittmotor factory automated production, product consistency is high, provide customized services, the basic stepper motor is by the magnetic rotor core through the interaction with the stator generated by the pulsating stator electromagnetic field generated by the rotation.The precision with which a linear motor converts rotational motion to linear motion depends on the stepping Angle of the rotor and the method chosen.
The precision of a linear motor with thread depends on its pitch.A nut is installed in the rotor center of the linear motor and a screw is correspondingly engaged with the nut. In order to move the screw axially, some method must be used to prevent the screw from rotating with the rotor assembly.Because the screw rotation is restricted, when the rotor rotation, the screw realized linear motion.It is a typical method to realize the rotation constraint whether the screw shaft assembly is fixed inside the motor or the nut which cannot rotate but can move freely in the axial direction is used on the external screw shaft.
In order to simplify the design, it is meaningful to realize linear transformation inside the motor.This method greatly simplifies the design and makes it possible to use linear motor for precise linear movement without external mechanical linkage in many applications.
