Q:Why hand grinding sand turbine, electric drill, impact drill and other power tools plug is two, plug is not three plug

In recent years, leakage protection performance and the reliability greatly, has become a standard power supply, reliability of human protection over ground protection to a certain extent, but the impact of grounding protection and leakage protection to human body protection, so many hand-held electric tools to cancel the earthing protection, relying instead on leakage protector. And use the two eye plug.Look at the instructions for the hand-held power tools with two plugs. All require that the power supply be equipped with an electric leakage protector.

Q: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.

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

Yes, electric wrench.An electric wrench is a wrench powered by a power source or battery. It is a tool for tightening bolts. It is mainly divided into impact wrench, torsional shear wrench, fixed torque wrench, angle wrench, angle spanner, hydraulic wrench, torque wrench, rechargeable electric wrench.

Q:What kind of power tools are hand drills? 1, 2 or 3?

You can see the cable plug, the aluminum shell is inserted three I tools, is grounded, the aluminum shell and some II tools, because it has a plastic insulation between the stator and the aluminum shell, so it is the installation of two wire plug.

Q:What are power tools?

Profile cutting machine, Bo Hai Power Tools Co., Ltd. is a research and development, production and sales of Bo Sea series of power tools specialized manufacturers. In order to ensure product quality and standards, the company continuously improve the quality of employees, and the introduction of automatic production equipment and strict inspection. Bo Hai tools with low noise, and finally modified date: 2006-07-242. flashlight diamond power tools Co., Ltd. is a research and development, production and sales of Bo Sea series of power tools specialized manufacturers. Main products: electric drill, impact drill, electric hammer, electric drill, wireless, reciprocating saws, electric scissors, angle grinder, straight grinder, die grinders, sanding machine, blow... Last modification date: 2006-07-243. impact drill

Q: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..

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

All conducting parts must be well insulated,

Q:What power tools do you need for carpentry?

Woodworking power tools are woodworking tools that rely on electrical energy as a basic source of energy, and non electrical energy does not belong to power tools;

Q: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.

Q:Is Li Xiang power tool good?

If you choose the quality, it can be said to be the best in the country, but the price is a little higher than that of the East