Continuous rolling method of cast billets

Details Continuous rolling method of cast billets Continuous rolling method of cast billets

1996-08-14

1998-07-07

Arbes, Carl J.

Metal working

Method of mechanical manufacture

With separating, localizing, or eliminating of as-cast...

228 57, 228 13, B21B 146

Patent

active

057749736

ABSTRACT:
A continuous rolling method includes the steps of: de-scaling billets sent directly from a continuous casting machine; continuously welding the billets using a travelling flash butt welder; grinding a burr on a welded part of the billets to remove the burr using a travelling grinding machine; heating the billets to an elevated temperature using an induction heater; and conducting continuous rolling. The travelling flash butt welder and the travelling grinding machine are separately movable along a running line of the billets, and are moved together during flash butt welding. The flash butt welding is carried out while the flash butt welder and the grinding machine travel a specified stroke for welding. The travelling grinding machine and the travelling flash butt welder are moved together to meet the welded part of each of the billets, and the travelling flash butt welder is returned to a waiting position after the flash butt welding is completed. The burr on the welded part of each of the billets is removed while the travelling grinding machine independently changes travelling direction and travels a specified stroke, after the welded part arrives at a specified position.

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