Method for coordinate measurement of workpieces

Details Method for coordinate measurement of workpieces Method for coordinate measurement of workpieces

1993-02-04

1995-06-20

Wirthlin, Alvin

Geometrical instruments

Gauge

Coordinate movable probe or machine

33504, 33561, G01B 7012

Patent

active

054251800

ABSTRACT:
In the measurement of workpieces on a coordinate measuring machine having a work-contacting probe head of the switching type, the course over time of the contact signal is stored within a time interval which at least spans the procedural time of contact-signal development. After comparison or correlation with a prerecorded sample signal which has also been stored, the exact time of initial contact or the exact scanning coordinates are then subsequently computed.

REFERENCES:
patent: 4177568 (1979-12-01), Werner et al.
patent: 4455755 (1984-06-01), Fritsche et al.
patent: 4611156 (1986-09-01), Feichtinger
patent: 4817362 (1989-04-01), Archer
patent: 4972594 (1990-11-01), Gurney et al.
patent: 5111592 (1992-05-01), Aehnelt et al.
patent: 5228352 (1993-07-01), McMurtry et al.

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