... module usage:harden,weld,forge,anneal and melt High Frequency Industrial HeaterApplications 1. Brazing categories:1.1 welding diamond saw blade ... as: crankshaft, connecting rod, piston pin, crank pin, wheel, camshaft, valves, all kinds of rocker arm, rocker shaft; transmission of various ... the piston plunger, rotor pump rotor on a variety of valves for the shaft, the gear pump gear, etc. quenching.3 ...