... sand casting/ CNC machining DescriptionCNC machining process with sand castingMaterial Cast iron, grey iron, ... T4,T6,etcEquipmentsPressing machine,Wire-electrode cutting,Shot blasting,injection machine,CNC machine,milling machine,drilling machineElectric ... Finemachining→→Liner cuttingprocessing→→Electricspark discharge→→Mouldpolish→→Mould assembly Used forAuto parts,machinery parts,household parts, ...