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Answer Posted / parthiban.r
dear sir,
ther are many types of drafting based on their application
mainly drafting are used in foundry for making casting
patterns will be placed in the cope and drag after which
should be removed for casting process
during this time the pattern should be taken carefully
so that defects could be avoided
two type of draft +ve and -ve draft angle
maximum draft angle is 15 degree used in industries
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