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Qingdao Antai Import and Export Co.,Ltd

The method to control the investment casting


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How to control the lost wax casting :

Casting size and shape determines the tolerance required to allow for process variables. Many process factors affect investment casting tolerances, such as:

1.Wax temperature

2.Wax die temperature

3.The amount of pressure applied to inject into a die

4.Firing temperature of the ceramic shell

5.Ceramic mold refractory composition

6.Cooling rate of the metal

7.Lot to lot variation of raw materials

So, how to control the above factor is to important to us.

The lost wax casting can be indived into three type:

  • Japan-type investment casting or sodium silicate process

  • Soviet-type investment casting

  • Combined process casting


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