learn.howToCalculate
learn.whatIsHeading
Spring design calculates stress and deflection under load. Springs store and release energy, used in many mechanical systems.
Công thức
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
Hướng dẫn từng bước
- 1Calculate stress: τ = (16×D×F) / (π×d³) for compression spring
- 2Deflection: δ = (64×N×F×D³) / (G×d⁴)
- 3Verify safety margin and fatigue life
Ví dụ có lời giải
đầu vào
Spring wire d=5mm, mean dia D=40mm, N=10 coils, F=100N
Kết quả
Deflection ≈ 3.4 mm, stress ≈ 82 MPa
Typical mild steel spring
Lỗi thường gặp cần tránh
- ✕Neglecting stress concentration factor
- ✕Using wrong wire properties (modulus G)
Câu hỏi thường gặp
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.
Sẵn sàng để tính toán? Dùng thử Máy tính Spring Design miễn phí
Hãy tự mình thử →