What's the difference between a flashlight and an electric screwdriver?
As the mechanical component, the electric screw driver can work without the electric batch power supply, and the batch power supply provides the energy and the related control function for the electric screwdriver. Drive the motor. Since the parameters of the motor are different, the speed will be different when the power of the batch power supply is the same.
Equipped with torque regulation and restriction mechanism, electric tool for screwing and unscrewing screws, the electric tool, mainly used for assembly line. Is one of the necessary tools for most manufacturing enterprises.
Electric torch (pistol drill) -- a tool used for drilling metal, wood, plastics, etc.. When equipped with positive and negative reverse switch and electronic speed regulating device, it can be used as electric screwdriver. Some models are equipped with rechargeable batteries, which can work normally within a certain period of time without external power supply.
A flashlight is a drilling tool powered by alternating current or direct current batteries. It is a hand-held electric tool.The main components of a drill are a drill chuck, an output shaft, a gear, a rotor, a stator, a casing, a switch and a cable.