Flash welding machine

摘要

A flash welding machine for butt welding the trailing edge of a preceding metal strip to the leading edge of a following metal strip in a rolling mill or the like. A preceding carriage and a following carriage are provided, movably mounted on a common set of rails. Each carriage is provided with electrodes capable of clamping respective ones of the preceding strip and the following strip when the two strips are in abutment with on another. Welding cylinders are provided for selectively joining the two carriers when the two strips are in abutment and the welding operation is to be performed, and then releasing the carriers from one another.