Cordless Electric Drills Motor Solution

Technical Difficulties: The problems of torque, efficiency, life

Solution Points:

The permanent magnet DC motors for cordless drills developed by Histren Motor are optimized by magnetic circuit design, and have the advantages of light weight, high torque and high power output. Compared with similar products in the market, the stall torque is increased by more than 20%. In addition, the problem of short life of similar products on the market is solved from the principle of magnetic field and the principle of commutation. The capacitor and the inductor component can be built in the structure, and a better EMC countermeasure effect is obtained. The motor solutions for electric drills supplied by Histren Motor to the market are well received by customers.