Axial Spring Pack (Clutch Return)

Circular Parallel Array | Piston Return | Multi-point Support

Real-World Samples
Definitions
1

Single Spring

20°C

Thermal Relaxation: 0.0% stiffness reduction

2

Pack Layout

Load Case

0.0 mm
0Limit: 24.0
Loading 3D Engine...
RATE (Total)26 N/mm
LOAD @ 0mm0.00 kN
CLEARANCE23.92 mm
Engineering Audit
Spring
Plate
READY FOR RFQ
FACTORY QUOTE STATUSSAFE TO QUOTE

Profile not configured. Safe-to-Quote gate is inactive.

All capabilities verified.
k26.33
C 10.00
SF 2.00

Engineering OK

Governing ModeStress
Utilization / Ratio0%

Design Rules Checklist

Spring-to-Spring Clearance23.92

Clearance OK

Boundary Clearance4.00

Boundary OK

Pack Performance

SOLID HEIGHT PACK26.0 mm
MAX STROKE24.0 mm

Manufacturing Risk

Performance Envelope (Worst-Case)
Spring Rate (k)100.00 N/mm
100.00
100.00
Range: 0.00 N/mm0.0%)
RFQ-AXIAL-PACK
8x Parallel @ R60
Spring: 2x20x50
Rate: 26.3 N/mm
Clearance: 23.92mm

Spring Engineering Operating SystemEnvelope Governed

Summary: Envelope Utilization
Envelope UtilizationOK
Utilization0%
dynamic_utilization0.00 ratio
geometry_utilization0.00 ratio
s_work0.00 mm
limit_dynamic21.60 mm
limit_geometry24.00 mm
Utilization 0.0%.
Stacking TopologyINFO
parallel_count1.00 idx
series_count1.00 idx
Single spring.
Validation PlanINFO
Recommended Test Points: Preload (10%) @ 0.00mm; Working Point @ 0.00mm. Verify load at these deflections.

Axial Spring Pack – Engineering Report

Part: ASP-262918Rev: 1.0.2Date: 2026-01-01
OEM ENGPolicy: V1
τ_allow = 800 MPa
Index C > 4.0

STATUS

OK

Design Rules Audit

MIN SF

-

Fatigue Policy V1

RATE K

26.3

N/mm (Total Pack)

CLEARANCE

23.9 mm

Spring-to-Spring

System Definition & Details

Spring Geometry

d: 2Dm: 20Na: 6L0: 50

Pack Layout

Count N: 8Radius: 60Index C: 10.0
Design Rules Audit
PASS
Spring-to-Spring Clearance
23.92OK
Boundary Clearance
4.00OK
Rules assess geometry only, not safety or manufacturability.
System Performance Curve
Load Sharing & Stress
Shear Stress Utilization0.0%
Corrected: 0 MPaLimit: 800 MPa
Plate Bending Stress0 MPa

Yield: 350 MPa

Documentation & Export
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Axial Spring Pack Calculator | Combined Rate & Load Sharing