Small electric tool complete collection

The use of power tools is very common in life, and these tools are more efficient than traditional tools. Therefore, the use of power tools is becoming more and more common in life, and power tools are being used in many places in life or buildings. Small electric tools mainly include electric wrenches, electric screwdrivers and electric drills. It is also widely used for decorative planers, electric hammers and impact drills of small and medium-sized electric tools. Next, I will introduce you to a complete set of small electric tools.

Complete works of small electric tools;

1, electric drill: the main specifications are 4, 6, 8, 10, 13, 16, 19, 23, 25, 32, 38, 49mm, etc. , and the number refers to the tensile strength of 390 N/mm, for non-ferrous metals, plastics and other materials, the maximum drilling diameter can be 30 ~ 50% larger than the original specifications, and equipped with a grinder.

2. Electric wrench and electric screwdriver: used for loading and unloading threaded joints. The transmission mechanism of electric wrench consists of planetary gear and ball spiral groove impact mechanism. Specifications are M8, M 12, M 16, M20, M24, M30, etc. The electric screwdriver adopts jaw clutch transmission mechanism or gear transmission mechanism, and the specifications are M 1, M2, M3, M4, M6, etc.

3. Electric hammer and impact drill: used for drilling, grooving and roughening concrete, brick walls and building components. Combined with expansion bolts, the installation speed and quality of various pipelines and machine tools can be improved; The impact principle of electric hammer is to generate impact power by internal piston movement, and the impact principle of impact drill is to generate impact power by gear running-in, so the impact force of electric hammer is greater.

4. Concrete vibrator: used to tamp concrete when pouring concrete foundation and reinforced concrete members, so as to eliminate air holes and improve strength. Among them, the high-frequency disturbing force of the electric direct-connected vibrator is formed by the motor driving the eccentric block to rotate, and the motor is powered by 150Hz or 200Hz intermediate frequency power supply.

5. Electric planer: used for planing wood or wood structure, and can also be used as a small planer when mounted on a bench. The cutter shaft of the planer is driven by a motor shaft through a belt.

6, electric mill: commonly known as grinding head machine; Electric mill; Electric grinder, an electric tool for grinding with grinding wheel or grinding disc.

The above is a detailed introduction to the encyclopedia of small electric tools. Small electric tools are mainly electrified and held by hand when operating. Generally speaking, hands should have no obvious feeling. If there is abnormal vibration or commutation spark, you need to check it carefully. So just make sure that the commutation spark does not exceed 3/2. Also, when using small power tools, look in from the air inlet, there should be no arc light on the commutator surface, and there should be no abnormal sound during operation. Be extra careful when using small power tools.

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