... to Ra1.6 ~ Ra6.3Applied softwarePro/E, Auto CAD, Solid Work 2001,CAXA, UG, CAD/CAM/CAEProduction capacitymore than 2 ... :sample or dwg(drawing)Wax InjectionMix liquid wax slurry and solid wax together, inject wax into metal mould, fetch it ... and defected surface with grinding wheel. Heat treatmentHeat treat the casting by nomalizing, annealing, quench+tempering, induction quenching, case hardening ...