... , Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting 1) Ductile iron and gray iron sand casting Features:Gearbox, Gear case, Gear, Worm ... , Worm Shaft, Casting, Sand-Casting1) Ductile iron and gray iron sand casting gearbox2) Reducer type3) Torque and transmission ... : Pro/E, Auto CAD, Solid Work 2005, CAD / CAM / CAE Aluminum Casting Housings Gearbox