A press is used to punch 10 holes per minute of 30 mm diameter hole from 25 mm thick plate. Determine the power needed to punch a hole if ultimate shear stress is 400 Mpa. Determine the following: The maximum force required to punch a hole, kN  The power required to drive the press, kW

A hole is to be punched out of a plate having a shearing strength of 281.48 N/mm². The compressive stress in the punch is limited to 351.85 N/mm² then the maximum thickness of the plate from which a hole 63.5mm in diameter can be punched is (in mm)

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Write legibly, provide manual step by step solution, and diagram for below given problem. A press is used to punch 20 holes per minute of 500mm diameter hole for 30mm thick plate. Determine the power needed to punch a hole of ultimate stress is 450 MPa.

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(BB) Q1: The shaft, as shown in Fig. is driven by pulley B from an electric motor. Another belt drive from pulley A is running a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 2.5. The diameter of pulley A is 150 mm and the diameter of pulley B is 480 mm. The allowable shear stress for the shaft material is 85 MPa. Taking torsion and bending factors as 1.25 and 1.5 respectively, find the shaft diameter. C # -100- A B -150-100 D TB2 All dimensions in mm. B A TAZ TAI TB1

Calculate the principal stresses to the given state. Calculate the angle of rotation in the x-y plane. Calculate the extreme shear stresses. Are the extreme shear stresses the maximum shear stresses? Explain, Why or why not?

A wire with a Young’s Modulus, E, of 8.5 x 106 N/m2 and an original length of 1.5 m is under tension. If the wire length extension is 2.5 mm, calculate the stress in the wire. Give your answer in N/m2to 2 decimal places. (show all work)

A shaft drives a gear set that is transmitting 5 hp at 1750 rpm. The diameter of the shaft is 0.75 in. Determine the torsional shear stress developed in the shaft.

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