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A hole 75 mm is to be punched in a steel plate 5.6 mm thick. The ultimate shear stress is 500N/mm2. It cutting is complete at 40 percent penetration of the punch and shear of 2 mm is provided on the punch , The minimum force required in the punch is ____kN348.538 |
Answer» A hole 75 mm is to be punched in a steel plate 5.6 mm thick. The ultimate shear stress is 500N/mm2. It cutting is complete at 40 percent penetration of the punch and shear of 2 mm is provided on the punch , The minimum force required in the punch is ____kN
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