Press workpiece thickness measuring system and method

Details Press workpiece thickness measuring system and method Press workpiece thickness measuring system and method

1984-08-07

1985-10-22

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

73159, 73849, 364563, G01B 506, G01N 320

Patent

active

045480664

ABSTRACT:
A system for the in press measurement of the thickness of a workpiece includes a force transducer and a displacement transducer. The force transducer is used to detect the contact between the forming tool and the workpiece. The output of the displacement transducer is continually read and recorded at the instant the force transducer indicates the contact between the forming tool and the workpiece. The output of the displacement transducer is correlated to known thicknesses and thus is indicative of the thickness of the unknown specimen.

REFERENCES:
patent: 3348440 (1967-10-01), Jensen
patent: 3381559 (1968-05-01), Lefever et al.
patent: 3470734 (1969-10-01), Agdur et al.
patent: 3918302 (1975-11-01), Skelton
patent: 4095063 (1978-06-01), Herzhoff
patent: 4205769 (1980-06-01), Blitchington
patent: 4402228 (1983-09-01), Eberle

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