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In forging dies, what is the minimum degree to which the drafts are made?(a) 1^o(b) 2^o(c) 3^o(d) 4^oThis question was addressed to me during an online exam.Enquiry is from Impression Die Forging in division Smithing and Forging of Casting-Forming-Welding II

Answer»

Right answer is (c) 3^o

The EXPLANATION is: There are some types of ALLOWANCES which have to be given to the system before the operations begin, LIKE, shrinkage allowance, machining allowance and draft allowance. The MINIMUM angle which can be given to the drafts is only 3^o.



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