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Spring design calculates stress and deflection under load. Springs store and release energy, used in many mechanical systems.

ସୂତ୍ର

Calculate stress: τ = (16×D×F) / (π×d³) for compression spring
D
D value — Variable used in the calculation
F
F value — Variable used in the calculation

ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |

  1. 1Calculate stress: τ = (16×D×F) / (π×d³) for compression spring
  2. 2Deflection: δ = (64×N×F×D³) / (G×d⁴)
  3. 3Verify safety margin and fatigue life

ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ

ଇନପୁଟ୍
Spring wire d=5mm, mean dia D=40mm, N=10 coils, F=100N
ଫଳ
Deflection ≈ 3.4 mm, stress ≈ 82 MPa
Typical mild steel spring

ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ

  • Neglecting stress concentration factor
  • Using wrong wire properties (modulus G)

ବାରମ୍ବାର ଜିଜ୍ଞାସା

Why does mean diameter matter more than wire diameter?

Spring stiffness proportional to d⁴ but stress uses d³; larger diameter dominates stiffness.

What causes spring failure?

Fatigue from cyclic loading, stress concentration at coils, corrosion.

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