Probe arm for machine tool

Details Probe arm for machine tool Probe arm for machine tool

1994-04-22

1995-09-05

Wirthlin, Alvin

Geometrical instruments

Gauge

Probe support

33559, 33561, 192139, 192142R, G01B 5012, F16D 7104

Patent

active

054469708

ABSTRACT:
An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which form a stop against further rotary motion beyond the operative position. These elements 48,52 are arranged as a kinematic support, so that the operative position is defined in a precisely repeatable manner. Springs 40 urge the elements 48,52 together. When the arm is in the operative position, these springs are stretched by a repeatable amount, so that they provide a repeatable force, in order to increase the precision of the operative position.

REFERENCES:
patent: 4168576 (1979-09-01), McMurtry
patent: 5084981 (1992-02-01), McMurtry et al.
patent: 5088337 (1992-02-01), Bennett
Renishaw Data Sheet TS20 ("Two Axis Tool Setting Probe for CNC Lathes") published Oct. 1992 (revised version of original data sheet dated 1987).
Renishaw Data Sheet HPA ("High Precision Tool Setting Arm for CNC Lathes") published Mar. 1991 (revised version of original data sheet dated 1988).
Yamazaki Mazak brochure "Quick Turn 35N", p. 6, publication date uncertain but approximately 1990.
Yamazaki Mazak brochure "Slant Turn 28N & 35N", p. 8, publication date uncertain but approximately 1990.
H. J. J. Braddick "Mechanical Design of Laboratory Apparatus", Chapman & Hall, London, 1969, pp. 11-30.

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