Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1984-12-05
1986-10-07
Godici, Nicholas P.
Metal founding
Process
Shaping liquid metal against a forming surface
148 9R, 266 51, B23K 706
Patent
active
046153772
ABSTRACT:
An improved method of and apparatus for striping hot steel slabs on the runout table of a continuous caster employs a torch support and drive mechanism adapted to support a scarfing torch for movement at a uniform rate across the surface of a slab maintained in a stationary position on the runout table. A radiation thermometer supported for movement with the torch is focused to continuously monitor the striping operation by detecting flashes or temperature increases resulting from reduction of alumina inclusions during the striping process and transmitting an electrical signal to a microprocessor which converts the signal to electrical impulses that are counted, recorded or otherwise utilized to evaluate the slab being striped. The microprocessor controls operation of the apparatus during the striping process to provide a more reliable evaluation of the slab.
REFERENCES:
patent: 4131490 (1978-12-01), Oishi et al.
patent: 4243436 (1981-01-01), Engel
patent: 4318439 (1982-03-01), Hiroshima et al.
patent: 4336923 (1982-06-01), Shiraiwa et al.
patent: 4337099 (1982-06-01), Hiroshima et al.
"High Speed Optical Pyrometer" by G. M. Foley printed in The Review of Scientific Instruments, Jun. 1970.
Godici Nicholas P.
National Steel Corporation
Reid G. M.
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