The Pros and Cons of Cold Chamber Die Castings. Cold chamber die castings use Cold Chamber machines to facilitate die castings. Cold chamber die casting is one of the two die casting processes. The other one is Hot Chamber castings.
Cold chamber die castings involve the use of a metal cylinder where the molten metal alloy is poured. The molten metal then will be pushed by an injection pump into the die cast thus producing metallic parts.
Cold chamber die castings allow for the processing of aluminum, zinc, and certain alloys of magnesium. In fact, these excellent materials for creating parts can only use cold chamber die casting processes.
The big advantage of cold chamber die castings is that the procedure can make denser metal castings. Denser metal is produced due to the higher pressure used during the injection process. Density can also be attributed to higher speed process of cold chamber injection. Another advantage of cold chamber die cast processing is its low maintenance cost. Through cold chamber castings, producers can manufacture more parts with lower overhead costs. This drives down the market prices of aluminum parts.
Cold chamber die castings also have several disadvantages. First, cold chamber processing has slower production cycles. The molten metal in the cold chamber can cool down even before injection. Lastly, the molten metal in the cold chamber is more exposed to oxidation and other contaminants especially if the production floor does not have strict quality control.
Cold chamber die castings can provide many advantages for die cast parts manufacturers. The benefits and advantages one can get from the cold chamber process can outweigh its disadvantages.
American Die Casting Company.
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