What is aluminum alloy die casting

Aluminum alloy die casting casting is similar to die casting except for permanent die casting, in which the metal is injected under the die at a high pressure of 10-210mpa (1,450-30,500) PSI.  This result is in a more uniform part, generally good surface finish and good dimensional accuracy, good cast size is 0.2%.  For many parts, after machining can be completely eliminated, or may require very light machining to make the size of the size. Die casting, aluminum die casting can be performed using either a cold chamber or a hot chamber process.

1.In the cold chamber process, molten metal is easily transferred into the cold chamber on each rod.  There is exposure time to reduce melt to the plunger wall or plunger.  This is especially useful for metals such as aluminum, copper (and their alloys), alloys that are readily associated with iron at higher temperatures. 

2.In 1 the thermal process is connected to the mold chamber and the pressure chamber is permanently immersed In the molten metal.  The inlet of the pressurized cylinder was found to move the plunger to an open (non-pressurized) position.  This allows the new charge of molten metal to fill the cavity and thus can fill the cavity faster than the cold chamber process.  Hot chamber processes used for metals such as tin, zinc and lead with low melting points, high fluidity, often alloys with steel at their melting temperature are not easy, and aluminum alloys die cast.