... The whole process repeats 6 times. Wax RemovalPut the thick coated wax molds into wax removal gutter, keep heating. After ... the shell. Casting pouringPut the raw material into the induction furnace and melt, add with chemical composition per material ... treat the casting by nomalizing, annealing, quench+tempering, induction quenching, case hardening and Nitriding per material spec MachiningMachine the ...