Good tools for an easy life.

Six categories of power tools

by:WORKSITE     2020-06-22
Electric tools are mainly divided into metal cutting electric tools, grinding electric tools, assembly electric tools and railway electric tools. Common power tools include electric drills, electric grinders, electric wrenches and electric screwdrivers, electric hammers and impact electric drills, concrete vibrators, and electric planers.    ① Electric drill: The main specifications are 4, 6, 8, 10, 13, 16, 19, 23, 32, 38, 49mm, etc. The numbers refer to the maximum diameter of the drill bit for drilling on steel with tensile strength of 390N/mm. For non-ferrous metals, plastics and other materials, the maximum drilling diameter can be 30-50% larger than the original specifications.   ②Electric planer: It is used to plan wood or wooden structural parts, and it can also be used as a small planer when it is mounted on a stand. The blade shaft of the electric planer is driven by the motor shaft through a belt.    ③ Electric wrench and electric screwdriver: used for loading and unloading threaded couplings. The transmission mechanism of the electric wrench is composed of a planetary gear and a ball spiral groove impact mechanism. Specifications are M8, M12, M16, M20, M24, M30, etc. Electric screwdriver adopts jaw clutch transmission mechanism or gear transmission mechanism, specifications are M1, M2, M3, M4, M6, etc.   ④Electric hammer and impact electric drill: used for drilling holes, grooving and roughing on concrete, brick walls and building components. Combined with expansion bolts, it can improve the installation speed and quality of various pipelines and machine tools.    ⑤ Electric grinder: a tool for grinding with a grinding wheel or grinding disc. There are straight electric grinder and electric angle grinder.    ⑥Concrete vibrator: It is used for tamping concrete when pouring concrete foundation and reinforced concrete components to eliminate air holes and increase strength. Among them, the high-frequency disturbance power of the electric direct-connected vibrator is formed by the eccentric block rotating by the motor, and the motor is powered by a 150Hz or 200Hz intermediate frequency power supply.
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