1. Engineering
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Question: please help thank you...

Question details

A flywheel for a punching press must be capable of furnishing 3,400 N-m of energy during the 25% revolution while the hole is being punched. The flywheel maximum speed is 200rpm and the speed decreases 8.7% during the load stroke. The mean radius of the rim is 1,016mm and contributes 90% of the energy requirements. Approximate total weight of the flywheel to be 1.2 times that of the rim, Find the weight of the flywheel. 2.

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