INVESTMENT CASTING:
It is a high precision casting,we use green wax(mid-temperature wax),usually produce some small but high tolerance and high quality parts.
Max.size:300mm
weight:0.02-25kg
Tolerance:CT6-8
Roughness of the casting surface:Ra6.3-Ra25
Technic:open mould according to the drawings---Wax injection--mould shell making--lost wax--mould shell baking---pouring---sandblast---machining---surface treatment.
material: carbon steel, alloy steel, stainless steel,non-ferrous metal.
www.audreemachine.com 
