2. (20 pts) The blank for the spool shown in the figure below is to be...
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2. (20 pts) The blank for the spool shown in the figure below is to be sand cast out of A-319, an aluminum casting alloy. Make a sketch of the wooden pattern for this part. Include all necessary allowances for shrinkage and machining Shrinkage allowance = 10-20 mm/m, Machining allowance = 2 mm. Draft = 30) 10 mm 100 mm 25 mm diameter 15 mm 75 mm 2. (20 pts) The blank for the spool shown in the figure below is to be sand cast out of A-319, an aluminum casting alloy. Make a sketch of the wooden pattern for this part. Include all necessary allowances for shrinkage and machining Shrinkage allowance = 10-20 mm/m, Machining allowance = 2 mm. Draft = 30) 10 mm 100 mm 25 mm diameter 15 mm 75 mm
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Obtain the shrinkage allowances for aluminum takes as 13 mm per 1000 mm from th... View the full answer
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