Question
Download Solution PDFIn helical compression spring design formula:
where P = load, C = spring index, d = wire diameter, and K = Wahl's factor
The Wahl factor takes into account:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Fig. (a) Pure torsional stress.
Fig. (b) Direct shear stress.
Fig. (c) Combine torsional, direct and curvature shear stress.
Torsional shear stress in the bar-
Direct shear stress in the bar-
∴ τ = τ1 + τ2
When torsional shear stress, direct shear stress, and curvature shear stress is taken into consideration, then shear stress is given by-
Last updated on Jun 23, 2025
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