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Cold Chamber Die Casting Advantages and Disadvantages

China professional die casting foundry

Die casting is metal type pressure casting on a die casting machine, which is the most productive casting process at present. There are two types of die casting machines, hot chamber die casting machines and cold chamber die casting machines. today we are talking about cold chamber die casting, Keep Reading.

What is cold chamber die casting

Cold chamber die casting is a kind of die casting machine in which the injection chamber and the injection punch are not immersed in the molten metal, but the quantitative molten metal is poured into the injection chamber, and then the plunger push the molten metal into the die casting die. after shaped and cool down. the casting parts been ejected out by ejector pin. this process is called cold chamber die casting, now Cold chamber die casting is mainly used for the production of aluminum alloys. Because the melting point of aluminum alloy is relatively higher.

Cold Chamber Die Casting Advantages and Disadvantages
Cold Chamber Die Casting Machine

What is the difference between cold chamber die casting and Hot chamber die casting?

The press chamber of a cold chamber die casting machine is separate from the holding furnace

The hot chamber die casting machine (hot air die casting machine) is immersed in the liquid metal of the holding and melting crucible, and the injection parts are not directly connected to the machine base, but are mounted on top of the crucible

Cold Chamber Die Casting Advantages and Disadvantages

Cold Chamber Die Casting AdvantagesCold Chamber Die Casting Disadvantages
Thin-walled and complex products Can workWall thickness need thinner than 8mm
Large size parts can be producedEasy have Shrinkage Porosity inside of Parts
Dimensional stabilityCan not Run Heat treatment
Diversified surface treatmentDie casting die expensive
High efficiencyTake up more space, more manual operation
High strength, not too difficult technically and cheap
Wide range of applications


As a China Pressure die casting supplier, we equipped both cold and hot chamber die casting machine, also Multi slide die casting machine, with our experienced and professional engineer. we can handle various aluminium and zinc die casting parts and molds. contact us today and get a free quote Now!


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