Electric tools are a kind of commonly used hardware tools in the modern hardware industry. They are usually classified according to different fields of application of electric tools. They are mainly metal cutting electric tools, electric grinding tools, electric tools for assembling electric tools and power tools for railways. In daily life Commonly used hardware power tools are electric drill, electric grinder, electric wrench and electric screwdriver, hammer and impact drill, concrete vibrator, planer, etc., and different types of hardware electric tools are generally used in different fields .
1, Drill: The main specifications are 4,6,8,10,13,16,19,23,32,38,49 mm, the figure refers to the maximum diameter of drill bit drilled in steel with a tensile strength of 390N / mm. The largest diameter of non-ferrous metals, plastics and other materials can be larger than the original size of 30 to 50%.
2, electric grinder: grindstone or grinding disc grinding tools. There are direct electric grinders and electric angle grinders.
3, electric wrench and electric screwdriver: thread for the handling of threaded connections. Electric wrench drive mechanism consists of planetary gear and ball screw slot impact mechanism. Specifications M8, M12, M16, M20, M24, M30 and so on. Electric screwdriver with jaw clutch transmission or gear transmission, specifications M1, M2, M3, M4, M6 and so on.
4, Hammer and impact drill: for concrete, brick walls and building components on the drilling, slotting, playing hair. Combined with expansion bolts, it can increase the installation speed and quality of various pipelines and machine tools .
5, concrete vibrator: for pouring concrete foundation and reinforced concrete components tamp concrete to eliminate pores, improve strength. Among them, the high-frequency disturbance power of the electric direct-coupled vibrator is formed by the rotation of the eccentric block driven by the electric motor, and the motor is powered by a mid-frequency power supply of 150 Hz or 200 Hz.
6, planer: for planing wood or wood structure, mounted on the bench can also be used as a small table planing. Planer shaft by the motor shaft driven by the belt.
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