IMPRESSING METHOD FOR SIMULATION MOLDING LOAD IN LOAD MEASURING JIG AND MOLDING ROLL STAND AND CALIBRATION METHOD FOR MOLDING ROLL STAND

摘要

PROBLEM TO BE SOLVED: To provide a load measuring jig that enables the calibration of a whole molding roll stand including a housing to a load cell.SOLUTION: A load measuring jig 1 is employed, which is a load measuring jig used for a steel pipe molding roll stand comprising a pair of molding rolls so arranged that rotation axes may be parallel with each other and a pair of housings holding the molding rolls, respectively, comprising a rod-like body part 2 that can be installed in the housing in the same attitude as the rotation axis of the molding roll in place of the molding roll, and provided with a receiving part 3 that receives a load from a load additional device in the body part 2.