Classification of electric drill
Release time:
Apr 20,2023
Electric drill can be divided into 3 categories: hand drill, impact drill, hammer drill.
Electric drill can be divided into 3 categories: hand drill, impact drill, hammer drill.
1. Hand electric drill: The power is small, and the scope of use is limited to drilling wood and being used as an electric screwdriver. Some hand electric drills can be changed into special tools according to their uses, with many uses and models.
2. impact drill: impact drill impact mechanism has two kinds of dog tooth type and ball type. Ball impact electric drill is composed of moving plate, fixed plate, steel ball, etc. The moving disc is connected with the main shaft through threads and carries 12 steel balls. The fixed disc is fixed on the casing by pins and carries 4 steel balls. Under the action of thrust, the 12 steel balls roll along the 4 steel balls to make the carbide drill produce rotary impact motion and can drill holes in brittle materials such as bricks, blocks and concrete. Disengage the pin to make the fixed plate rotate with the moving plate without impact, and it can be used as an ordinary electric drill.
3. Hammer drill (electric hammer): It can drill holes in a variety of hard materials and has a wide range of applications.
The prices of these three kinds of electric drills are arranged from low to high, and their functions are also increased. The selection needs to be combined with their respective scope of application and requirements.
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