| 摘要 |
The arrangement comprises a sepg. appts. (5) provided with fixture components (3,4) for the spiral cutting part of the drill, and fitted on a first slide (7) movable to and from a rotatable driven grinding wheel (9). A second slide (6) is movably fitted parallel to the first (7), and has a fastening part with a V-track (1) for the drilling fixture, and a tension stirrup (2) working in conjunction with it. The first and second slides with the drill clamped to them are coupled to form a unit, and can be adjusted in relation to the grinding wheel (9) by means of a regulating wheel (8) and a screw which works with it. The grinding wheel is fitted on a third slide (10) movable in a straight guide parallel with the V-track. |
