Sand core dimension checking apparatus

Details Sand core dimension checking apparatus Sand core dimension checking apparatus

1994-05-03

1995-12-26

Wirthlin, Alvin

Geometrical instruments

Gauge

Comparison with a standard

33552, 33557, 33600, 1641512, G01B 5207

Patent

active

054776180

ABSTRACT:
A frame has sensors mounted thereon for engaging selected portions of a sand core and generating signals proportional to sensed dimensions of the sand core. A control unit compares the sensor signals with a zero reference dimension and a dimensional tolerance range for each sensed dimension of the sand core and generates an indication of acceptable/unacceptable core dimensions. A computer monitor and/or light panel is activated by the control unit and provides a visual indication for each sensed dimension by means of numeric data, color, directional arrows or distinct illuminated lights of an acceptable/unacceptable and even a marginally acceptable sand core.

REFERENCES:
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patent: 4545420 (1985-10-01), Christmann et al.
patent: 4831741 (1989-05-01), Sogoian
patent: 4953306 (1990-09-01), Weckenmann et al.
patent: 4986004 (1991-01-01), Hartmann et al.
patent: 5119881 (1992-06-01), Cagle
patent: 5148377 (1992-09-01), McDonald

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