Three-dimensional processing machine and a method of processing

Details Three-dimensional processing machine and a method of processing Three-dimensional processing machine and a method of processing

1992-11-10

1995-02-28

Bilinsky, Z. R.

Tool changing

Process

409132, 483 31, B23Q 3155, B23Q 1522

Patent

active

053932889

ABSTRACT:
A spindle head 28 is liftably supported on a transfer member 6 which is capable of moving in an XY axis direction to a table 4, and a spindle 32 is rotatably journalled on the spindle head 28. A pickup 54 is liftably journalled on the spindle head 28, and the pickup 54 is disposed at the lower end of a tool 46 near the tip of the tool 46 which is fixed detachably to the spindle 32. The relative lifting motion of the pickup 54, against the head 28, is detected by a sensor 70. Prior to the processing of the work, a distance D, between the lower end of the pickup 54 and the tip of the tool 46, is measured, and is stored in the controller. The head 28 descends, and when the pickup 54 abuts on the work, this abutting condition is detected by the sensor 70. The height of the tip of the tool 46 against the work 2 is detected by the foregoing detection. After the lower end of the pickup 54 abuts on the work 2, if the head 28 is made to descend by the distance D, the tip of the tool 46 reaches the upper end of the work 2, and this position is used as the origin base of the Z axis. Then the engraving processing of a predetermined depth of cut is applied to the work 2 by the tool 46.

REFERENCES:
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patent: 4979284 (1990-12-01), McMurtry et al.
patent: 5094574 (1992-03-01), Nishigai et al.

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