Casting gap control system

Details Casting gap control system Casting gap control system

1980-12-22

1983-08-23

Hampilos, Gus T.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164155, 164423, 164463, 164488, 356387, B22D 1116, B22D 1100, B22D 1110, G01B 1102

Patent

active

043998615

ABSTRACT:
A non-contact, optical method is provided for controlling a gap between a crucible orifice and a rapidly moving chill surface during casting of metal strip. The method comprises setting a desired value for the gap; measuring the gap by continually scanning it with a light beam; generating a deviation signal that indicates whether there is a difference between the measured and desired values; and using the deviation signal to adjust the crucible position so as to minimize the difference. In a preferred embodiment, the light beam is provided by a laser.

REFERENCES:
patent: 3343591 (1967-09-01), Lorang
patent: 3522836 (1970-08-01), King
patent: 3765774 (1973-10-01), Petrohilos
patent: 3829220 (1974-08-01), Parkinson
patent: 3853406 (1974-12-01), Zanoni
patent: 3854052 (1974-12-01), Asar et al.
patent: 3856411 (1974-12-01), Zanoni
patent: 3961838 (1976-06-01), Zanoni
patent: 3992107 (1976-11-01), Loy
patent: 4097158 (1978-06-01), Dehait
patent: 4101612 (1978-07-01), Barker et al.

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