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Sunday, 31 August 2014

Vacuum Permanent Mold Casting

Vacuum Permanent Mold Casting Points : Vacuum Permanent Mold Casting Process Vacuum permanent mold casting is disparity of low-pressure casting in which a vacuum is use to draw molten metal into mold cavity. The common configuration of vacuum permanent-mold casting process is like to low-pressure casting process. The dissimilarity is that reduced air pressure as of vacuum in the mold is use to draw the liquid metal into cavity, before forcing it by positive air pressure as of below. There are some benefits of vacuum method relative to low-pressure casting: air porosity and related fault are reduced, and better strength is given to cast product.

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