Brushless electric wrench with brush brushless electric wrench the difference between electric wrench on digital control circuits of electric wrench in phase and slow down, speed regulation. Brushless electric wrench no longer use mechanical carbon brush commutation device, solves the live brush electric wrench insurmountable problems. In theory the lithium electricity brushless electric wrench life to years. Brushless electric wrench no longer USES the gear reducer, avoid the efficiency loss of gear transmission, the efficiency can reach -%, and significantly reduced the noise. However, due to the use of electric bicycle brushless electric wrench requirements of low cost, small volume, light weight, has created two major technical difficult problem, is a small torque and second, there will be a low speed vibration, make some electric bicycle factory cannot actually use brushless electric wrench. With the development of modern science and technology, at present, the leading technology of electric bicycle companies about electric wrench factory has successfully solved the two problems, make the brushless motor torque has brush with pressing type, low speed vibration has controlled in the range generally do not feel. Features: lithium electric brushless electric wrench, switch the button type, energized again after work if there are any power outage, the machine will not start on its own, reduce the happening of the accident, use more secure. , no carbon brush, eliminate the effects of carbon brush powder on body for operators to dispense often replace carbon brush. Without carbon brush and copper head friction sparks, explosion-proof effect, also not interfere with the signal around the circuit. , assembling brushless motor without carbon brush and copper head friction produced by the electricity consumption and frictional resistance, power output ratio compared with the traditional Angle grinder % above. The machine in normal working conditions, can maintain the rated speed, make the work more efficiently, and at any time don't have to consider to replace carbon brush, also need not worry burn rotor, the use of more efficient. , motor speed slow start when the phone is switched on, won't produce a spin phenomenon, more comfortable to operate. And because it is a slow start, effectively reduce the moment of the motor starting current, more effective to extend the life span of the motor and related equipment. , motor rotor made of high strength silicon steel sheet, and is not a traditional rotor coil winding way, never burn rotor. , in addition to bearing and gear to normal maintenance, the machine there is no other parts. Have to reduce the maintenance cost. Such motor naturally become the ideal of high efficiency, high torque, low noise, target of force, brushless electric wrench will become the main electric bicycle with electric wrench in coming years.
