Three-dimensional laser beam machining apparatus using YAG cutti

Details Three-dimensional laser beam machining apparatus using YAG cutti Three-dimensional laser beam machining apparatus using YAG cutti

1996-09-03

1997-12-16

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912178, B23K 2608

Patent

active

056981210

ABSTRACT:
A three-dimensional laser beam machining apparatus using a YAG cutting tool. A robot controller functioning as a YAG cutting tool controller is connected to a laser beam supply through a optical fiber and to a robot having an arm end on which the YAG cutting tool is mounted. When a diagrammatic machining command for the YAG cutting tool is given, an first internal program for the diagrammatic machining command and a second internal program for compensating a robot position in a z-axis direction are created. These internal programs are executed in parallel by a multi-task function. The YAG cutting tool is two-dimensionally controlled so as to depict a diagram, such as a rectangle and a circle. When the YAG cutting tool moves across the axis of a cylindrical workpiece, the robot position in the z axis direction is compensated so that the gap between the laser head and an cylindrical surface of the workpiece is kept constant.

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patent: 5466909 (1995-11-01), Nihei et al.
patent: 5489758 (1996-02-01), Nihei et al.

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