Pv 1303

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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. Listen to the teacher, the father said, as if the earth will leak

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.

How do the new pros and cons drill the drill bit without the key?

This is the hand chuck chuck, is divided into two parts, the front end is used for elastic, rear end is fixed, you want to unload the drill, left to right back to the front to turn in the opposite direction can be loose, Anhui, Bozhou, great electrical firm opened, welcome patronage. Address is: Wanfu market, B building, No. 76-77, which is the general agent of broad brand. Cost-effective

On a bench drill and drill power question

The hand electric drill motor commutator motor is electrified, brush, commutator and armature winding, DC voltage can also run when appropriate, excitation circuit and its circuit armature series, there is no fixed speed, high speed no-load speed is reduced when the load torque increases, small power is one of its characteristics.

Why is the speed of the electric torch slow?

Notice of operation of electric torch:1. Check the power cord before use. If you have, you must wrap up the insulating tape, do not be immersed in the use of water and random drag and tread, and can not touch the heat source and corrosive medium.2, the metal shell of the flashlight must be taken to protect the ground (zero) measures.3. Before use, make sure the torch switch is in turn off, and when the plug is plugged into the power socket, the hand drill suddenly turns.4, electric drill before use should be idle 0.5 ~ 1min, check the drive part is flexible, whether or not abnormal noise, screw, whether loose, the commutator spark is normal.5, drilling, both hands firmly grasp the electric drill, as far as possible not a single hand operation, should grasp the correct operation posture.6, can not use the chipped drill, drill down pressure not too big, to prevent the drill bit interruption.7, cleaning knife head, scrap, change knife first, these actions must be disconnected from the power supply.8, the small workpiece must be clamped with a fixture, and then use a flashlight drill.9, the operation of drilling can not be too large, in case the drill or wire attack, flying wounding.

What types of cement drills are installed in impact drills?

Impact drills generally have the following models: the general model has 6mm, 8mmm, 10mm, 12mm, 14mm, 16mm, 20mm and so on.

Without an electric drill, what can you touch on the wall?

Not more than 25 mm aperture wall drilling, must use the hammer.Or impact drills.

Can an electric drill bit a wall?

Hammer: single wall drilling tool. Compared with the percussive drill, it is much higher than the impact drill;

Can an electric drill open the lock core?

Electric drill unlock is to destroy the inside of the lock core, unlock the master will lock the inside of the clip all take out, the lock all lost the lock function, take a key can open. The lock locks the door, all the lock inside the lock. Only when the matching key is inserted into the lock can the door be opened with all the clips inside the lock in place