Coordinate measuring machine

Details Coordinate measuring machine Coordinate measuring machine

1980-03-31

1982-06-08

Little, Willis

Geometrical instruments

Area integrators

Electrical

33169C, 33174P, 33174PC, G01B 700, G01B 728

Patent

active

043332382

ABSTRACT:
A machine for measuring a workpiece is adapted to move a probe (10) relative to a workpiece to be measured, the measurement being determined by an electronic scale (25) when the probe contacts the workpiece (8). If the measurement is taken while the probe is in a state of acceleration, the deflection of those parts (e.g. 11) of the machine which extend between the probe and the scale falsifies the measurement. The invention provides an accelerometer (30) to determine the acceleration and thereby the deflection. A computer is arranged to determine the true measurement by taking account of the deflection.

REFERENCES:
patent: 3750295 (1973-08-01), Nordmann et al.
patent: 3774312 (1973-11-01), Ecsh
patent: 3987551 (1976-10-01), Kienle
patent: 4084323 (1978-04-01), McMurtry
patent: 4168576 (1979-09-01), McMurtry
patent: 4228591 (1980-10-01), Sterki et al.

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