1.

The chances of defects in the castings by cold chamber die casting are more than the castings produced by hot chamber die casting.(a) True(b) FalseThe question was asked by my college director while I was bunking the class.The query is from Die Casting topic in section Special Casting Techniques of Casting-Forming-Welding I

Answer»

The correct option is (a) True

To explain: Since the metal is ladled into the machine from the FURNACE, so it may lose the superheat and may cause defects in the castings such as COLD shuts. Also, there is a main disadvantage in the cold chamber DIE CASTING process is the longer cycle time needed as compared to the hot chamber die casting process.



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