Coordinate measuring apparatus

Details Coordinate measuring apparatus Coordinate measuring apparatus

1989-12-11

1991-07-16

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Coordinate movable probe or machine

33 1M, 33702, G01B 503

Patent

active

050313312

ABSTRACT:
A coordinate measuring apparatus includes guides made of aluminum. Scales which are also made of aluminum are used to measure the position of the measuring slide movable on the guides. In a preferred embodiment, the scales are in the form of a reflection phase grating and are applied directly to the surface of the guide member. In addition, a temperature sensor is provided which measures the temperature of the guide member and of the scale divisions. A method of producing the scale divisions is also disclosed.

REFERENCES:
patent: 4603480 (1986-08-01), Sakagami
patent: 4758720 (1988-07-01), Aubele et al.
patent: 4777818 (1988-10-01), McMurtry
patent: 4780963 (1988-11-01), McMurtry
patent: 4782598 (1988-11-01), Guarini
patent: 4815213 (1989-03-01), McCabe et al.
patent: 4831737 (1989-05-01), Grund
patent: 4852267 (1989-08-01), Tezuka
patent: 4887360 (1989-12-01), Hemmelgarn et al.
patent: 4895454 (1990-01-01), Kammleiter et al.
patent: 4912856 (1990-04-01), Ernst
patent: 4947557 (1990-08-01), Gapshis

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