... production efficiency as induction forging machine for bolts and nuts CYP160 induction forging machine for bolts and nuts 1.Technical parameters:Rated ... and retain period can be preset respectively, to realize a simple heating curve, this model is suggested to use for ... high-frequency welding.3, metal quenching, annealing, quenching, tempering and heat treatment.4, metal forging, hot forming.5, powder ...