Controlling the surface temperature of zinc alloy die castings is essential for the production of high quality die castings. Uneven or inappropriate zinc die-casting mold temperature can also lead to instability of casting size. During the production process, the casting deforms, resulting in defects such as hot pressing, sticking, surface depression, shrinkage, and hot air bubbles.
When the temperature difference of the zinc die-casting mold is large, it will affect the variables in the consumption cycle, such as filling time, cooling time and spraying time. There will be cold lines, mainly because the temperature in front of the melt soup is too low, and when there are traces, they stack.
Improvement method:
When manufacturing a pressure casting mold, not only the temperature of the zinc mold is controlled. There are some details. The net shape of zinc alloy can show color differences, appearance damage and other problems.
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