The cylinder head of a 10-inch-diameter compressor is attached by 12 studs made

Question

The cylinder head of a 10-inch-diameter compressor is attached by 12 studs made from SAE grade 5 material. The cylinder has a pressure of 300 psi. For a safety factor of 2: Select a stud size. To preload these studs with lubrication to 80 percent of proof strength, calculate the required torque. In Problem 4, if we were to substitute 1/2-inch studs for the size you selected, the flange has an outside diameter of 14 inches, and the grip length is 2 inches: Find the initial force in the studs if they are preloaded to 85 percent of proof strength. Find the force in the studs under pressure. Do you think this load changed enough from Problem 4 that we should analyze for fatigue?

Explanation / Answer

The answer of following question is as follows.

The size of stud is 78 mm while the value of torque is 56 mpa.

The initial force is 67 kn.

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