摘要:
An elliptical vibratory cutting apparatus includes a control mechanism which applies a sinusoidal voltage having a predetermined phase difference to piezoelectric elements. Flexure vibrations are accordingly generated in X and Y directions. An amount of interference, caused by vibrations in one direction, with vibrations in another direction, is correctively eliminated by the control mechanism (interference eliminating unit 22). A workpiece is thus cut by means of a cutting tool through elliptical vibrations.
摘要:
A device for deburring the inside of a longitudinally seam-welded pipe includes a retention arm secured outside the pipe in the area of the pipe that is not yet closed and having an end zone which is located behind the welding spot. Arranged on the retention arm is a frame part which is tiltable in longitudinal direction of the pipe about a tilt axis and provided with a scraping tool. The tilt axis of the frame part is hereby located, as viewed in advancing direction, behind the scraping point at the end of the frame part. An adjustment mechanism is provided on the forward end of the frame part for adjusting the tilt angle.
摘要:
A burr located at an edge of a steel piece is cut by disposing a cutter such that the flank of the cutter is substantially in parallel with the surface of the steel piece and the angle between the cutting edge of the cutter and the edge of the steel piece which the burr intersects is at least 45null. The cutter is relatively moved toward the outside of the steel piece along the lengthwise direction of the burr, or the cutter is disposed with the flank of the cutter substantially in parallel with the surface of the steel piece and the angle between the cutting edge of the cutter and the edge of the steel piece is at least 90null. The burr located at the edge of the steel piece is cut by relatively moving the cutter perpendicularly to the lengthwise direction of the burr.