The application of brushless dc motor in the electric tool industry

1. Electric wrench
+ brushless dc motor drive control device + some on-off device, can be made into electric wrench; Form a complete set of rechargeable batteries, can be made into a portable electric wrench. Is mainly used to remove the car tyres, etc.

2。 Electric grinding
brushless dc motor used in electric grinding machine, do not need to change the brush maintenance, rotational speed can also according to the situation of grinding workpiece speed regulation control, brush motor has a larger lower noise than the original, and due to the use of voltage of the dc voltage is reduced, security is greatly increased.