B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/33
B26D 1/00 (2006.01) B21K 27/06 (2006.01) B23D 23/00 (2006.01)
Patent
CA 1195603
Abstract of the Disclosure A method and an apparatus for shearing heated metal bars to billets A method is disclosed of shearing heated metal bars to form billets, using a hot shearing apparatus. The bars are heated or kept warm in an oven upstream of the hot shear- ing apparatus, and the bar column normally is conveyed back into the oven after a shearing procedure. The bar length dif- fers from an integer multiple of the billet length, and in passing over to a subsequent bar, a remnant of the pre- ceding bar is combined with an initial piece of the subse- quent bar to form a billet of the billet length prescribed. In this context the handling, above all up- stream of the shearing edge is simplified in that the final section to be sheared of the first bar always is advanced beyond the shearing edge up to a predetermined length limit, the occurrence of the butt joint between the two successive bars is detected at a metering station located approximately one billet length upstream of the shearing edge, and upon detection of a butt joint, the bar column always is left in front of the shearing edge, rather than being conveyed back into the oven.
426710
Elhaus Friedrich W.
Sim & Mcburney
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