Double Torsion Spring Calculator

COUPLED SYSTEM ANALYSIS

BLOCK
AI Design Assistant
Geometry

Center leg governs coupling stiffness and stress distribution.

Torque Curve
Angle (°)Torque (N·mm)
15693.4
16.8776.6
18.6859.81
20.4943.02
22.21026.23
241109.43
25.81192.64
27.61275.85
29.41359.06
31.21442.26
331525.47
34.81608.68
36.61691.89
38.41775.09
40.21858.3
421941.51
43.82024.72
45.62107.92
47.42191.13
49.22274.34
512357.55
52.82440.76
54.62523.96
56.42607.17
58.22690.38
602773.59
Results
Stiffness46.2264 N·mm/°
Peak Torque2773.59 N·mm
Safety FactorSF = 0.62
Governing LocationCenter Leg
Stress Analysis
Left Coil Stress971.15 MPa
Right Coil Stress971.15 MPa
Center Leg Stress1942.29 MPa
Validation
OEM-TS-DOUBLE-001

Safety factor too low (SF = 0.62). Minimum required: 1.2.

Policy: QP-SAFE-001

OEM-TS-DOUBLE-002

Center leg is the governing stress location. Review center leg length and geometry design.

Policy: QP-MFG-001

3D Preview
Coils / 线圈
Center Leg / 中心段 ⭐
Legs / 弹簧脚
⚠️ Stress Hotspot: Center Leg
Double Torsion Spring Calculator | Torque, Rate & Stress