• Tool Building : Make an aluminum alloy die by machining.
• Wax Injection : Wax is injected into the die to produce a pattern.
• Pattern Assembly : Pattern are glued to wax runner bars, this assembly is referred to as a tree.
• Shell Building : Dip the tree into a slurry to build up a ceramic shell.
• Wax Removal : Wax is removed from the shell mold in a steam autoclave.
• Pouring : Pour molten metal into the preheated ceramic shell molds.
• Shell Removal : When metal has cooled, ceramic shell is broken off by vibration.
• Cut Off : Cut the parts away from the tree, gate removal.
• Surface Blasting : Sand blasting to clean the parts.
• Initial Inspection : Trimming and inspection.
• Heat Treatment : Anneal, Solution...
• Shaping : Press by hydraulic or manual to reshape the parts.
• Machining or Surface Treatment : Turning, milling, tapping...& black oxide, electro polish...
• Final Inspection : With coordinate measuring machine, hardness tester...& visual inspection.
• Shipment : Package and delivery.
