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FAQ

What's the role of carbon brushes in electric tools?
In addition to induction type AC asynchronous motors, there is no outside. Other motors are provided, as long as the rotor has a reversing ring.The principle of electric power generation is that a magnetic field cuts a wire to produce an electric current in the wire. The generator cuts the wires by rotating the magnetic field. A rotating magnetic field is a rotor, and the wire to be cut is a stator.
What's the name of an electric tool for riveting screws into wood? Not understand!
An electric drill can be used! But it can't adjust the torque! There are four types of professional screw twisting tools!
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 to detect the rotor of power tools?
Rotor inspection. 1) a self made short circuit device can detect damage. 2) you can detect with a pointer type multimeter.
What is the working principle of power tools?
AC motor, AC motor of induction motor, its strong induction current (eddy current) magnetic field generated in the rotation of the magnetic force on the rotor copper bar, continuous cutting, according to Lenz's law, the induced current has the effect of relative motion occurs against the rotor magnetic field and the rotor is, with the magnetic field and rotation. But the rotor rotation speed of the high speed magnetic field does not transform, otherwise it will not be able to cut the copper lines.
What other tools are there for the furniture except the pistol hole?
It is mainly used in construction, decoration, furniture industry, opening for objects or objects in the past, also known as hammer in some industries.Well, there are more drilling tools on the market now.
Why hand grinding sand turbine, electric drill, impact drill and other power tools plug is two, plug is not three plug
Hand-held power tools, in the past there are many plugs with three eyes, the purpose is that in case the leakage can pass through the grounding wire, the current will be introduced into the earth, and the protection of the human body.In practical applications, because of the mobile work and the use of temporary power supply, and the grounding of the sockets in many places is not reliable, it is not ideal to implement the leakage protection by grounding.
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.