Electric tools

Introduction to Electric Tools

Electric tools are widely used in industrial production, construction, and daily life. Compared with traditional manual and pneumatic tools, they are lighter, easier to operate, more efficient, and more economical. With the rapid development of modern manufacturing, electric tools have become indispensable in improving productivity and ensuring processing quality.

Development History

The world's first DC electric drill was manufactured in Germany in 1895. In the 1960s, cordless battery-powered tools emerged, marking a breakthrough in portability. During the same period, electronic speed-control tools appeared, enabling users to adjust rotational speed according to different materials and processing needs. These innovations laid the foundation for the modern electric tool industry.

Types of Electric Tools

Metal-cutting tools: electric drills, impact drills, electric hammers, planers.
Grinding tools: electric grinders, concrete vibrators.
Assembly tools: electric screwdrivers, electric wrenches.
Railway-use tools: specialized maintenance and assembly equipment.

Safety Protection

Electric tools are classified by safety protection levels:

Class I tools: Equipped with grounding devices.
Class II tools: Double-insulated for safer use without grounding.
Class III tools: Powered by safe voltage, minimizing electrical hazards.
Radio interference suppression: Measures to reduce EMI during operation.

Main Features

Lightweight and portable design, improving mobility.
High efficiency and lower operational cost compared to pneumatic tools.
Easy to operate and control, suitable for a wide range of applications.

Selection Tips

Choose tools according to the type of work (drilling, grinding, fastening, etc.).
Ensure the power supply meets the tool’s requirements (wired or cordless).
Prioritize safety-certified products with reliable grounding, insulation, or low-voltage designs.
Consider ergonomics, durability, and after-sales service for long-term use.

Role of Power Semiconductors

Modern electric tools rely on MOSFETs, IGBTs, and power modules to achieve high-efficiency motor drive, variable speed control, and reliable battery management.

Baoquan Zhijie provides advanced semiconductor devices that help manufacturers improve performance, reduce power loss, and extend tool lifespan.