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custom die casting tooling making process

25 Jul 2017 - custom die casting,die casting tooling,tooling making

custom die casting tooling making process


The basic die casting tooling process consists of injecting molten metal under high pressure into a steel mold called a die. Die casting machines are typically rated in clamping tons equal to the amount of pressure they can exert on the die. Machines sizes range from 400 tons to 4000 tons. Regardless of their size, the only fundamental difference in die casting machines is the method used to inject molten metal into a die. The two methods are hot chamber or cold chamber.


Hot chamber machines are used primarily for zinc, copper, magnesium, lead and other low melting point alloys that do not readily attack and erode metal pods, cylinders and plungers. Cold chamber machines are used for alloys such as aluminum and other alloys with high melting points. The molten metal is poured into a “cold chamber”, or cylindrical sleeve, manually by a hand ladle or by an automatic ladle. A hydraulically operated plunger seals the cold chamber port and forces metal into the locked die at high pressures.


custom die casting tooling making process


A complete custom die casting cycle can vary from less than one second for small components weighing less than an ounce, to two-to-three minutes for a casting of several pounds, making die casting the fastest technique available for producing precise non-ferrous metal parts.


In addition, there are several variations on the basic process that can be used to produce tool making casting for specific applications. One of which is squeeze casting. Squeeze casting is a method by which molten alloy is cast without turbulence and gas entrapment at high pressure to yield high quality, dense, heat treatable components.


Alpine Mold is a custom die casting tooling manufacturer, having specialized in tooling making for more than 25 years with good quality and pretty competitive price. Please contact us by kerry@alpinemold.com.

Shenzhen Alpine Mold Engineering Factory
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