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What kinds of electric tools are divided into

by:WORKSITE     2021-01-04
According to the calculation of 'China's Electric Tool Professional Production and Sales Demand Forecast and Transformation Analysis Chen said', electric tools are divided into metal cutting electric tools, grinding electric tools, equipment electric tools and railway electric tools.

The most common power tools are electric drills, electric grinders, electric wrenches and electric screwdrivers, electric hammers and impact drills, concrete vibrators, and electric planers.

Electric drill

The specifications are 4, 6, 8, 10, 13, 16, 19, 23, 25, 32, 49mm, etc. The numbers refer to the diameter of the drill bit drilled on steel with a tensile strength of 390N/mm. For non-ferrous metals, plastics and other materials, the drilling diameter can be 30-50% larger than the original specification, and it is equipped with a polishing machine.

Electric wrench and electric screwdriver

For loading and unloading threaded couplings. The transmission arrangement of the electric wrench is composed of planetary gear and ball spiral groove impact arrangement. The specifications are M8, M12, M16, M20, M24, M30, etc. The electric screwdriver chooses the clutch transmission arrangement or gear transmission arrangement, and the specifications are M1, M2, M3, M4, M6, etc.

Electric hammer and impact drill

Used for drilling, grooving and roughening concrete, brick walls and building components. The use of expansion bolts can advance the speed and quality of various pipelines, machine tools and equipment; the impact principle of the electric hammer is to generate impact power by the movement of the piston, and the impact principle of the impact drill is that the gear runs in to generate impact power, so the impact force of the electric hammer Big.

Concrete vibrator

It is used to compact concrete when pouring concrete foundation and reinforced concrete components to reduce air holes and advance strength. Meanwhile, the high-frequency disturbance power of the electric direct-coupled vibrator is formed by the rotation of the electric motor, which is powered by a 150Hz or 200Hz intermediate frequency power supply.

Electric planer

It is used for planing wood or wooden structural parts. It can also be used as a small planer when installed on a bench. The knife shaft of the electric planer is driven by the motor shaft through a belt.

Grinders

Commonly known as grinding head machine; electric grinder; electric grinder, an electric tool for sanding with a grinding wheel or disc.
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