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FAQ

Why hand grinding sand turbine, electric drill, impact drill and other power tools plug is two, plug is not three plug
Each of these devices has a "back" logo indicating double insulation protection, and the double insulated layer forms insulation protection between the outer shell and the inner part of the tool, thereby preventing the occurrence of electric shock. So no three plug in,
How about plug wires and cables for power tools?
Class I tools are common type power tools with a rated voltage of over 50 volts. Class I tools not only rely on basic insulation but also include an additional safety measure in the protection against electric shock. The method is that the accessible conductive parts and protection has been installed in the fixed line in the (ground) wire together, make accessible conductive parts in the basic insulation does not become damaged in the charged body. Plug for three pin plug type tool.
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.
Is the motor of an electric tool the alternating current motor or the direct current motor?
Compared to the AC motor and DC motor, because there is no commutator (see DC motor commutation), therefore has the advantages of simple structure, convenient manufacture, relatively strong, easy to make high speed motor, high voltage, high current, large capacity. The coverage of AC motor power greatly, from a few watts to several 101000 watts, even millions of kilowatts.
What is the working principle of power tools?
A direct current motor called a direct current motor. Due to the magnetic field circuit and armature circuit of the different links, can be divided into series motor, motor, compound motor;
What kind of material does the power tool case have?
An electric tool case is made of a variety of materials, such as plastics, cast iron, etc..
Power tools are power tools?
Now, that's pretty much the case. Now most power tools are powered by electricity. However, some of them are pneumatic, especially the environment where no electrical work is required. This should be equipped with an air pump externally.Small, of course.
Is Li Xiang power tool good?
About the same price, choose a good reputation, East into good