Matkaplar

[Construction - Section 85]

DRILLING MACHINES

The common drilling machine

Among many tool machines under construction or in the budget reminds one most likely to drill. A drilling machine is a device which with the help of a drill hole in a different materials drills. The drill is by an electric motor rotated. In industrial and handicraft during the earlier periods were driven by transmittance drills.

One can distinguish between several variants. In addition to electrical and pneumatic hand drills are also partly driven manually or by drilling machines. In principle, but today we speak of the modern electric hand drills. They are for drilling in the hand. In order to secure leadership of the drilling machine with large torque is an additional handle before drilling fodder for the other hand assembled. To the drilling depth limit there is a depth gauge.

Using Gears

According needs can be changed by a switch between two gears and change gears with small or large, at your speed drill. Professional devices have also often have other properties, such as an adjustable speed control or the additional function as a screwdriver.

For drilling in concrete, stone or wall and similar hard materials, there is a strike drilling device. This is the impact drill. It has an arrangement with the drill with a high tempo beats to the workpiece to Piercing exercises. The so-called percussion is only one-toothed, which is based on the spindle of the drilling machine. The high pressure will force the drill effectively. It will of course also an wear.