written 7.3 years ago by | modified 2.3 years ago by |
B. A punching press is required to punch 30 mm diameter holes in a plate of 20 mm thickness at the rate of 20 holes/mm. It requires 6Nm of energy / mm2 of sheared area. If the punching takes place in 1/10 of sec and rpm of the flywheel varies from 160 to 140, determine the weight of the flywheel having radius of gyration is 1m.
Mumbai University > Mechanical Engineering > Sem 5 > Theory of Machines-II
Marks: 10 Marks
Year: May 2016