6. As shown in the figure, a hole is to be punched out of a plate having an ultimate shearing stress of 300 MPa. a. If the compressive stress in the punch is limited to 400 MPa, determine the maximum thickness of plate from which a hole 100 mm in diameter can be punched. b. If the plate is 10 mm thick, compute the smallest diameter whole which can be punched. Answer: t = 33.3 mm d = 30.0 mm

6. As shown in the figure, a hole is to be punched out of a plate having an ultimate shearing stress of 300 MPa. a. If the compressive stress in the punch is limited to 400 MPa, determine the maximum thickness of plate from which a hole 100 mm in diameter can be punched. b. If the plate is 10 mm thick, compute the smallest diameter whole which can be punched. Answer: t = 33.3 mm d = 30.0 mm

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.3.12P: A propeller shaft for a small yacht is made of a solid steel bar 104 mm in diameter. The allowable...

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