Draft allowance, also known as taper or draft angle, refers to the intentional angle added to the sides of a casting pattern. This angle makes it easier to remove the pattern from the mold without damaging it. The draft angle ensures that the casting can be released smoothly, especially in sand casting, without causing distortion or dragging of the mold material. The typical draft allowance varies depending on the material used and the complexity of the casting but usually ranges from 1 to 3 deg
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