STRIP CUTTING METHOD OF A FLASH BUTT WELDING MACHINE TO CONTINUOUSLY COLD ROLL WELDED JOINTS OF STRIP WITHOUT BURSTING

摘要

PURPOSE: A strip cutting method of a flash butt welding machine is provided to maximize weldability by enlarging the welded area between preceding and following strips.;CONSTITUTION: A strip cutting method of a flash butt welding machine is as follows. Each upper electrode(70) of fixed and movable supports are advanced by an upper electrode regulating unit as much as the thickness of an adjacent lower rotary knife(51a). Preceding and following strips(S1,S2) engaged with each other are fixed between an ascending upper electrode and a fixed lower electrode(80). The top surface of the lower electrode, which contacts the bottom surface of the preceding and following strips, is maintained flush with the top surface of the lower rotary knife and upper and lower shear blocks(51,52) are advanced in the lateral direction of the strips to cut the rear end of the preceding strip and the leading end of the following strip.;COPYRIGHT KIPO 2012