Coordinate measuring apparatus and method for controlling the sa

Details Coordinate measuring apparatus and method for controlling the sa Coordinate measuring apparatus and method for controlling the sa

1997-12-18

1999-04-20

Barlow, John

Data processing: measuring, calibrating, or testing

Measurement system

Dimensional determination

702153, 36446824, 36447437, 33503, 33556, 33559, G05B 1919, G05B 194093

Patent

active

058954449

ABSTRACT:
The invention is directed to a method for controlling a coordinate measuring apparatus wherein the probe head (2) and the probe pin (19) of the apparatus are control driven in accordance with desired data Pi. The probe pin (19) is movably attached to the probe head (2). In the method, the probe pin for measuring the workpiece (15) can touch down on the surface of the workpiece to be measured or can be lifted off of this surface. The speed of measurement is increased by selecting the angle (.alpha.down, .alpha.up) between the direction of movement vres of the probe head (2) when touching down or when lifting off and the projection of the direction of movement toward the plane tangential to the workpiece surface in the touchdown/liftoff point (Pdown, Pup) to be less than 30.degree..

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patent: 5726917 (1998-03-01), Staaden
patent: 5737244 (1998-04-01), Ruck
patent: 5764540 (1998-06-01), Grupp et al.

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