Investment Casting Process Flow Mould Making Wax Injection Reparing Wax Burr Assembling Wax Tree Sand-shell Making Dewaxing Raw Material Sand Shell Roasting And Steel Melting Material Composition Chemical Test Pouring Knockout Cutting Grinding Shot Blasting Heat Treatment Acid Washing Process Inspection Inventory Of Casting Products(Warehouse) PIPE-MACHINING PROCESS FLOW Incoming Pipe Test Cutting Pipe By Cutting/Sawing Machine Robot Machining (Customer-determined) CNC Machining (Customer-determined) Machining Center (Customer-determined) Tapping Machine (Customer-determined) Cleaning Surface Inspection Assembling Air & Water Pressure Test Angle Inspection Thread Inspection Dimension Inspection Printing Palletizing Shipping
