Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operationtorque.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
2
The specifications for seat sealing test, body sealing test, body strength test, valve long term test, fatigue strength test and operationtorque of plastic valves were summarized.