Device for checking the position of a spindle in a machine tool

Details Device for checking the position of a spindle in a machine tool Device for checking the position of a spindle in a machine tool

2006-05-09

2006-05-09

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C318S574000, C409S231000

Reexamination Certificate

active

07043333

ABSTRACT:
In a machine tool with a spindle capable of motion along at least three axes x, y, and z, the position of the spindle is checked by a device that operates utilizing electromagnetic signals sent out by four emitters, located externally of the machine tool, and picked up by a receiver mounted directly to the spindle. The signals are fed into a master control unit and processed by circuits in such a way as to produce an output that can be used to verify and if necessary correct the position of the spindle on the three axes X, Y, and Z.

REFERENCES:
patent: 3596153 (1971-07-01), Brainard et al.
patent: 6218983 (2001-04-01), Kerry et al.
patent: 6311803 (2001-11-01), Turk
patent: 2003/0016367 (2003-01-01), Hermann et al.
patent: 19630205 (1998-01-01), None
patent: 10114090 (2001-10-01), None
patent: 2319615 (1998-05-01), None
European Search Report dated Jun. 17, 2004.

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