Question

It is required to design a square key for
fixing a pulley on the shaft, which is 50 mm
in diameter. The pulley transmits 10 kW
power at 200 rpm to the shaft. The key is
made of steel 45C8 (S, = S = 380 N/mm)
and the factor of safety is 3. Determine the
dimensions of the key.
Assume (S=0.577S,)​

Answer 1

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