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Explain Pattern allowances
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written 7.3 years ago by
teamques10
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Pattern is the replica of the casting to be produced. Replica means that shape of the pattern remains same as that of the shape of casting to be produced.
Pattern size=casting size ± allowance
Pattern allowances are of five types
a. Shrinkage allowance
b. Machining allowance
c. Draft allowance
d. …
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