To custom investment castings,investment casting manufacturers will all ask drawing from our customers.So how to design drawing for investment casting?What should be made up of in a investment casting drawing?

Investment casting is one of the oldest metal forming process,people also call it lost wax casting.Wax is used to form a pattern,which is the same shape of product.It will be melted under high temperature and steel liquid will be poured into the shell.

Tongda foundry cast conveyor rollers in material of alloy steel, carbon steel, cast steel and stainless steel. Material grade includes GB42CrMo, AISI4140, BS3100-A4, GB45, AISI1045, ASTM A148 105-85, ASTM A148 90-60, SS304, SS316, etc. To increase the force of friction, some investment cast conveyor......

Ceramic Shell Investment Casting (CSIC) is one of the near net shape casting technologies. The process is based on expendable wax patterns for producing joint-less moulds that are required for near net shape castings. 

To meet certain properties of investment castings, the products will be heat treated. In our casting factory, usually used heat treatment processes are hardening, tempering, annealing, normalizing, etc.

Tongda foundry casts and machines lots of Conveyor gears by investment casting process in China. Lots of gears used to build conveyors. They works as rotating components to support the moving of conveyors.