The full drilling is a possibility of the drilling, whereby a round hole is bored into a workpiece much more polished than.

The basic principle is based on it to bring a Holzstab on a workpiece - for example a stone - in rotation. The necessary friction is obtained by addition of sand; the sandige wood grinds itself in into the workpiece. It is thus bored less in the sense of the word than rather polished. The rotation is substantially facilitated, as around the drilling staff a cord or a chord is once looped. If the chord at the elbow is moved back and forth now tensely and the elbow, then the staff turns on workpiece by addition of sand the friction necessary for boring is produced. For the production of the necessary pressure at the free end with a suitable block one holds against.

When full boring one uses massif a piece of branch and/or a wood without considerable Markkanal.Dadurch only a round hole in a stone or other workpiece is cleared away, as one makes it evenly also with moderenen drills. This does not make at pure hand enterprise without machines as more efficient working as when boring for a hollow drilling possible, since no so high contact pressure can be obtained.

See also: Fire drilling, hollow drilling

Articles in category "Full drilling"

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