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Pattern Making 3035
Molding and Core Making 3644
Gating and Risering 4547
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ADJOINING SECTIONS allow for finish Allowances for Machining alloys bore Bosses Brinell hardness cast iron casting design Casting Section CASTING THICKNESS chaplets chilling chromium coated complex castings contraction cooling rates core boxes cored holes corrosion cost cracking Cross Ribs Cylinder depth DESIGN RULES dimension distortion Draft engineering factor of safety feeding fillets flask foundry foundryman gating and risering green sand heat heavy sections Improved Inches Incorrect Correct joints junctions loose pieces low temperature LUGS machined surfaces material maximum MEEHANITE Castings MEEHANITE Metal Type Metal Section method minimum mold cavity molten metal PADS pattern maker Physical Properties possible poured pre-heating ramming recommended reduce Resisting Castings result RIBS AND BRACKETS Sand Castings Section Thickness shown by Figure shrinkage allowance Simplifies Molding slow cooling solid solidification stress concentration structural weakness sulphuric acid surface hardening taper temperature anneal tensile strengths Type Metal Type of MEEHANITE uniform wall welding Yield Strength