Q:What hand drills are good for drills?

The electric drill normally starts with three minutes drilling white steel, color drills, aluminum drills, yellow, iron, steel and the like, black drilling wood, marble, tile, glass glass holes, and water for drilling. Hope to adopt

Q:Can a torch screw a screw?

I just screw it with an ordinary flashlight, where the wrench controls the slow speed. There is a kind of head is the outer six corners, you can clamp it, which sky map for you to see

Q:What are the safety inspection before using electric torch welding machine?

Inspection prior to use of electric welding machine:N1, before use, should clean up the scene, do a good job to prevent falling objects and objects falling down protection work;N2, the welding around (especially below) whether there is flammable and explosive goods, if there is, should maintain a certain safety distance, if cannot reach the safe distance, should take other protective measures;N3, the protection of the ground (or protection of zero line) connection is correct, firmly rely on;Does the rated voltage of the N4 and welding machine match the supply voltage?;Does the capacity of the N5 and welding machine meet the requirements?;N6, insulated wire should be intact, contact resistance should be small and reliable contact (especially electric welding machine secondary);N7, the large capacity gas or water machine, check whether there is leakage of the welding machine adopts Water Leakage; fan strong cold, should check the direction of rotation of the fan is normal; the electric drive ventilation or dynamic AC arc welder reactor core, the first time the power is turned on, must pay attention to the turning of the motor is correct;N8, for long-term unused welding machine, should do insulation testing, qualified before use. N8, for long-term unused welding machine, should do insulation testing, qualified before use.

Q:How to detect the short circuit of an electric motor stator?

The stator is seldom damaged, and short circuit multimeter measurement is available. Can not be directly connected with the power supply, do not need to change the stator, it only need to rewind coil. Most of the stator injuries are carefully observed and can be found.

Q:Can a torch drill for a cigarette lighter?

DC DC, flashlight with batteries, the flashlight itself does not have plugs and wires, but there is a charger for hand drill battery charging. Just like cell phones.

Q:545 motors or 555 motors for small drills?

The DC micro motor 545 and 555 are basically the same shape, 555 power a little larger, the motor shaft is shorter, used for hand-held electric drills better. 545, the motor shaft length, suitable for micro Taiwan saw.

Q:Is there a flashlight attached directly to the 12V Car battery?

Use the inverter so that you can use the 220V electric drill. The disadvantage is that the power efficiency is not high, spend money to buy an inverter (1000W to more than 100 yuan).

Q:There are several types of hand drill rotor, how to replace them?

If the mark is worn, it is usually divided according to the size of the bore hole, the charge, the shape and the position of the drill. Special model: right angle electric drill - suitable for use in narrow working space.

Q:What's the power of an electric drill that gets into a concrete wall?

Drilling machine using electric power as power. Is the power tools in the conventional products, but also the largest demand for power tools products. 35% of China's power tools are produced and sold each year. The main specifications of electric drills are 4, 6, 8, 13, 16, 19, 23, 32, 38, 49mm, etc. the figures refer to the maximum diameter of the drill drilled on the steel whose tensile strength is 390N/mm2 (). For non-ferrous metals, plastics and other materials, the maximum drilling diameter is comparable to the original specifications of 30 to 50%.

Q:How to buy domestic electric drill

In accordance with the general electric power is divided into: hammer, impact drill and drill. Small drills also use alternating current power supplies and batteries.