Low pressure casting
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  • Release date:2020-04-02
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2.1 metal mold casting

Use the metal with higher melting point than the raw material to make the mold. It is subdivided into force casting method, bottom pressure casting method high die casting method.

Depending on the melting point of the mold, there are certain limits on the metals that can be cast.

2.2 dewaxing casting method

This method can be the outer film casting method the solid-state casting method.

Copy the items that must be cast with wax, then infiltrate into the pool containing ceramic ( silica sol) wait for drying, so that the imitated products made of wax can knead a layer of ceramic outer film, repeat the process until the outer film can be applied to the whole casting process (about 1 / 4 inch to 1 / 8 inch), then melt the wax in the mold, release the mold. After the automobile parts casting aluminum parts processing plant, the mold must be several times high temperature in many aspects, can be used for casting only after the strength side is improved.

This method has excellent accuracy can be used as the casting of high melting point metals (such as titanium). However, due to the high price of ceramics the need for heating complicated manufacturing several times, the cost of Zhejiang low-pressure aluminum casting factory is very expensive.


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