Q:Circuit diagram of speed regulator for electric drill

Electric drill is the electric tool industry's biggest selling products, widely used in construction, decoration, furniture and so on Pan industry, opening for the object or objects in the past, also known as hammer in some industries.

Q:Can the starting machine be an electric drill?

The transformer and the rectifier that can drive the starter motor will be relatively expensive, unless you use a DC welder to drive it, or if you burn a transformer or a rectifier, you can buy an electric drill

Q:Can electric hammer and electric drill be used as a universal drill?

If the general impact drill is 6-700W, how large holes can be drilled depends on the size of the drill bits that are matched with it. In general, the maximum diameter is 5 cm. Percussive drills work by rotating and impacting. A single shock is very slight, but a shock frequency of more than 40000 minutes per minute can produce continuous force.

Q:How do electric drills change the drill bit?

In one hand and a bit black circle, the other hand to above which the reverse direction, will be able to clamp or loosen the drill bit.The black round button on the handle is protected. The one inside is adjustable speed.

Q:How do the two coils of the electric drill stator join?!

After the line has been tested, if the reverse is needed, the ends of the two stator windings need to be interchanged.

Q:Drill a cement block with a torch

A torch can cement.Method：1., the drill bit must be cemented with an alloy drill bit (bit hardness is OK, preferably blunt).2. while in travel non-stop to drill water (mineral water bottle, water gun, water).

Q:What oil should be added to the impact drill?

Power tools repair, franchised stores have gear oil, is used to add power tools, no, you can also use butter instead.

Q:What's the difference between a flashlight and an electric screwdriver?

A flashlight is a drilling tool powered by alternating current or direct current batteries. It is a hand-held electric tool.The main components of a drill are a drill chuck, an output shaft, a gear, a rotor, a stator, a casing, a switch and a cable.

Q:What kind of electric drill do you buy at home decoration?

Drill additional function selection: the same type, there will be some additional features, for example, said the drill can reverse R model, its advantage is when is not, can be converted into reverse; said electric drill can speed the type of E, when not high rate can be adjusted to low speed operation.

Q:Drill bit, how to distinguish that is drilling iron plate, that is drilling the wall, that is drilling, how to distinguish between wood?

The above two are glass drills, with two kinds of pointed and round heads. They can also be used to drill tiles. This is the impact drill, the drill is not sharp, and the teeth are not sharp.