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FAQ

What kind of material does the power tool case have?

In 1895, the German overtone produced the world's first direct current drill. The outer shell is made of cast iron and can drill holes in the steel plate 4mm. Then there was a three-phase power frequency (50Hz) electric drill, but the motor speed failed to break through the 3000r/min. In 1914, there was a single-phase electric motor driven by a series of exciting motors, and the motor speed was over 10000r/min. In 1927, the power supply frequency of intermediate frequency electric tool 150~200Hz, it not only has the advantages of high speed single-phase series motor, and has the advantages of simple structure, reliable three-phase motor, but because the need if current supply is limited.

What safety problems should we pay attention to when using electric drills or hand-held power tools?

All conducting parts must be well insulated,

What power tools are used as cage birds?

If you want to do copper ornaments, you should distribute the grinding belt, flexible shaft, tool set. You can also buy a flashlight with a flexible shaft, coupled with some tools, you can also head. Bakelite milling can also be used instead of drill, a horizontal milling type fixed electric drill and milling cutter. What depends on your workload?.

Is BOSCH's power tools good or MAKITA's power tools?

MAKITA electric tool features:The utility model has the advantages of small noise, strong power, good performance, long service life, light body, strong and durable, easy operation and convenient repair. The utility model is the necessary high-quality product for professional personnel or amateur DIY personnel.

How are hand powered tools classified into class I, class II, class III?

Nowadays, class I hand held power tools are virtually discontinued. The class II hand-held electric tools are widely used. Class II hand held electric tools are generally used on special occasions such as wet environments, metal containers, etc..

How are the I, II, and III classes of power tools classified?

Class I. In addition to basic insulation, the device has an additional safety measure. There is no grounding terminal on the shell of class I equipment, but there is a grounding terminal inside, and the power cord with protective plug is drawn out from the equipment.Class ii. The device has dual insulation and insulation protection measures.Class III. The device relies on extremely low safety voltages to protect against electrical shocks.

Is there an electric tool for screwing bolts? It's bolts, not screws

Yes, I use it every day. The electric wrench is specially used to tighten the bolts. It has a sleeve with a bolt size at the front, and different sleeves can be changed to screw the bolts of different sizes. It's very convenient and quick to use.

Compared to pneumatic tools, what are the advantages of electric tools?

At the same time, reversing operation, pneumatic tools, small size, high speed rotary speed, easy to adjust, no danger of fire, the air compressor can also be used in the house, is the best choice for sheet metal, paint, furniture manufacturing, auto hub processing, etc..