Which of the following cooling systems is used in injection moulding process to increase solidification rate of components made?(a) Air jet cooling system(b) Water cooling system(c) Cooling with free convection(d) Cooling with finsThe question was asked in an online quiz.Query is from Injection Moulding Process topic in chapter Moulding with Polymers of Casting-Forming-Welding II

Which of the following cooling systems is used in injection moulding p

1.	Which of the following cooling systems is used in injection moulding process to increase solidification rate of components made?(a) Air jet cooling system(b) Water cooling system(c) Cooling with free convection(d) Cooling with finsThe question was asked in an online quiz.Query is from Injection Moulding Process topic in chapter Moulding with Polymers of Casting-Forming-Welding II
Answer» The correct choice is (b) Water COOLING system Explanation: The cooling system is made by including some passages in the mould walls that are usually CONNECTED to an EXTERNAL pump. Cool water is circulated through the passages to extract heat from the hot polymers or plastics components made in the injection MOULDING process. This cooling system INCREASES the solidification rate which basically reduces the production time.

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