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What is Casting Pattern Allowances Explained about?

This document discusses pattern making and pattern allowances for castings. It describes the different types of pattern materials used such as wood, metals, plastics and their properties. It also explains the various pattern allowances that must be provided, including shrinkage allowance to account for metal contraction, draft allowance for easy pattern removal, machining allowance for post-casting machining, and distortion allowance to prevent casting warping. Proper selection of pattern materials and allo

Author

Abdullah Subbir

Language

EN