A blow-molding operation is used to produce a bot-tle with


A blow-molding operation is used to produce a bot-tle with a diameter. ef 2.250 in and a wall thickness of 0.045 in. The parison has a thickness of 0.290 in. The pressure used to inflate the parison is 38.0 lb/in2. The observed die swell ratio is 130.

(a) What is the required diameter of the parison?

(b) What is the di-ameter of the die?

(c) What is the tensile stress in the bottle as it is reaches its inflated size?

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Civil Engineering: A blow-molding operation is used to produce a bot-tle with
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