Single phase series motor with commutator and DC motor will cause serious electrical interference to TV and radio, so the interference of tilting system to radio shall be considered in the design of electric screwdriver. Measures such as shielding, symmetrical connection of exciter windings, setting of electrical filters, and connection of filters into △ shape are mainly adopted. If necessary, small inductance coils can also be connected in series at both ends of the motor armature.

According to needs, we should distinguish between professional and professional electric screwdrivers. Most electric screwdrivers are designed for professionals. When purchasing, we should distinguish between professional and general household electric screwdrivers. Generally, the difference between professional and general household electric screwdriver is in power. The professional electric screwdriver has a large power, which is convenient for professionals to reduce the workload. The general household electric screwdriver has a small project and a relatively small workload, so the input power of the electric screwdriver does not need to be large.

Huangye88.com - China B2B Marketplace