Disk Spring Design Module

Disk / Belleville Spring

Analyze single and stacked disk springs using DIN 2092 engineering models. Visualize complex stacking arrangements and verify design rules in real-time.

几何参数 / Geometry
mm
mm
mm
mm
Stacking叠簧配置 / Stacking

Typical: 0.05 (lubricated) ~ 0.12 (dry). V1: Informational.

载荷工况 / Loadcases
Preload s1
mm
Work s2
mm
Max s3
mm
Material Selection
E (GPa)
206
Rp0.2 (MPa)
1400
[σ] allow (MPa)
1050
σE fatigue (MPa)
550
Relaxation: LowMagneticStandard (indoor/dry)
Max service temp120°C
Relaxation 100h @ maxTemp1.5%

Typical applications

Automotive clutchMachine toolsBolted jointsValve actuators
Industry standard for disc springs. Best strength/cost ratio. Requires surface protection (zinc, phosphate, or shot-peened) for outdoor use.
工况温度 / Operating Temp
20°C
20°C

Thermal Relaxation: 0.0% stiffness reduction

3D Digital Twin Preview
Stroke0.00 mm
Utilization0.0%
Manual Stroke Control0.0 mm
Drag slider to physically compress unit
k
C 4.92
SF 0.78
Material Engineering Spec (SEF)
PASS

No violations found. Compliant with selected material standard.

Source: lesjofors_catalogue_17 (v1.0)Governance only. Solver unaffected.
Tolerance Settings

Performance Summary / 性能摘要

Preload Force F1 (装配力):4667.0 N
Operating Force F2 (工作力):8544.1 N
Max Force F3 (最大载荷):10696.6 N
Travel Δs (有效行程):0.50 mm
Stiffness k_work (总成刚度):8544.10 N/mm
Energy Capacity W_max (总储能):6.95 J
Audit Ready: true / Status: FAIL (Fail/失败)
SEF Envelope Governance (Disk)
MARGINAL
Utilization76.9%
0%70% (OK)85%100%

Limit based on h0 × nS = 1.30 × 1 = 1.30 mm (flattening capacity).

Envelope Limits

Diameter Ratio δ
1.97
DIN 2093 recommends δ between 1.8 and 2.5. Current: 1.97.
Shape Ratio h0/t
0.52
Suggests Progressive behavior.

Engineering Risks

Static StressHIGH
  • Stress Utilization: 198%. Exceeds allowable.

Validation Plan

measure_force (CHECK-L1)
4667.00 ± 10% [@ Deflection 0.50 mm]
measure_force (CHECK-L2)
8544.10 ± 10% [@ Deflection 1.00 mm]
solid_height (CHECK-SOLID)
2.50 ± 5% [Max calculated solid height]