Answer to Question #119710 in Mechanical Engineering for nick

Question

To transmit 75 kW at 25 rev/s using 48 mm diameter shafting. The flanges are to be made of cast iron and keyed to the shafts, and power is transmitted from one flange to the other by a circle of fitted bolts (four are shown in the above figure but more or less bolts can be used). The adopted bolts must comply to the following technical specification: Property Class Designation: 4.6

Nominal size range: M5 – M100 (Sizes M5 to M45 are commonly used in construction)

Material and Treatment: Low or medium carbon steel

Tensile Ultimate Strength, 400MPa, Minimum.

Tensile Yield Strength, 240MPa, Minimum.

CALCULATE THE FOLLOWING

Key analysis,

Hub analysis

Flange (web) analysis

Bolt analysis.

Answer 1

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