Discover the maximum torque, Mechanical Engineering

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Discover the maximum torque:

Discover the maximum torque that may be transmitted by the shaft of 400 mm diameter, if the shear stress is not to exceed 50 N/mm².

Solution

τ_max = 50 N/mm2 = 50 × 106 N/m2, d = 400 mm = 0.4 m

τ_max = 16T/ πd³

⇒ 50 × 10⁶ = 16 × T / (π (0.4)³)

∴ T = 628.3 × 10³ Nm = 628.5 Nm

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