Electric plate hand removing tower crane
Electric wrench is driven by a motor, and the air by air pneumatic motor drive. Electric wrench features: electric wrench is yet at the emperor Gao Dian eye cream top GA with motor power, can smooth the output torque, can be accurately set twisting on the bolt, and damage is very small, but when the motor overheating will also affect the accuracy of torque.
The difference between electric wrench and the air is driven in different ways.
