... for hardening; for annealing; 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz) Main features 1.Adopt ... for various automobile and motorcycle fittings, such as crankshaft, connection rod, pinton pin, chain wheel, aluminum wheel, valve, rock ... size mold, mold accessory and inner hole of mold Welding (brazes welding, silver soldering and brazing) It’s mainly aims ...