Electro-optical gaging system

Details Electro-optical gaging system Electro-optical gaging system

G - Physics

01

B

354/25

G01B 11/04 (2006.01) B21B 38/04 (2006.01) G01B 11/02 (2006.01) G01B 11/10 (2006.01)

Patent

CA 1125915

Abstract of the Disclosure Two computerized electro-optical systems cover the gaging of one or more orthogonal dimensions of a moving hot bar using one or more back-lighted camera heads. Each camera head may be fixedly mounted, or rotated on a scanner to produce profile data at various peripheral positions of the bar. Each camera head generates high-speed bar shadow pulses representing a bar dimension, which pulses are subject to noise and various sources of errors. Bar pulses are processed in individual camera electronics and a computer to eliminate noise and correct for one or more sources of errors. CRT (display) and printing terminals interact with the computer to indicate and/or record each cold-size bar diameter measurement, a plot of bar profile deviation from aim gage overlaid on full- and half-commercial tolerance references, a data header, and a gaging system histogram. Calibration and recalibration procedures are provided and controlled by terminal keyboard. 5539-3 GCD

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