Linear actuator

摘要

A servo component has a casing (2), a hollow shaft rotor (4) to turn in the casing driven by a multiphase stator (8) and a spindle (12) fitted to slide lengthwise in the hollow shaft rotor. The spindle is threaded with a spindle nut (10) connected to the hollow shaft rotor, stayed against twisting and freed of load by transverse forces through the casing having an opening (14) on a first side for sliding a piston section (13) of the spindle partly out of the casing.