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The process characteristics of custom zamak die casting
Copy from:    Author:kenostian    Time:2015-12-10 16:33:56    Popularity:595

   Zinc alloy with small crystal temperature, low melting point, easy to fill forming, not easy to produce a loose, not easy to stick mold, can prolong the life of die casting die.
The mechanical properties of zinc alloy are relatively high, which can be cast in various complex and thin wall castings.
Custom zamak die casting can be used for all kinds of surface treatment, especially good plating, and has a good performance at room temperature.
   Zinc alloy in the process of casting, casting size will shrink, and alloy composition has a great influence on the size change, the size is relatively stable for the zinc alloy castings without copper. Generally, the size of Zn-Al alloy casting is little change.
   Zinc alloy working range is narrow. The impact toughness decreases sharply when temperature is below 0 °C. Its mechanical properties decreased significantly when the temperature exceeds 100 °C.
   
Zamak die casting is easy to aging, the aging phenomenon has volume expansion, strength reduction, plastic reduction. The main reason is that the solubility of lead, tin, cadmium and other impurities is too small in zinc. Therefore, it should be strictly controlled in the selection and smelting of impurities.


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