Compress Spring Component Wizard (Version: 4.3.1078)

11-21-2007

 

Guide

Spring Strength Calculation - Work Forces Calculation

 

Spring Load

Minimum Working Force F1 36.34 N
Maximum Working Force F8 72.69 N
Working Force F 36.34 N

 

Spring Dimensions

Loose Spring Length L0 46 mm
Wire Diameter d 4 mm
Outside Diameter D1 52 mm
Mean Diameter D 48 mm
Inside Diameter D2 44 mm
Spring Index c 12  

 

Spring Coils

End Coils nz 2
Ground Coils zo 1.5
Number of Active Coils n 5
Coiling Direction right

 

Spring Type and Assembly Dimensions

Preloaded Spring Length L1 38 mm
Fully Loaded Spring Length L8 30 mm
Working Stroke H 8 mm
Working Spring Length L 38 mm

 

Spring Material

User
Ultimate Tensile Stress sult 1230 MPa
Allowable Torsional Stress tA 738 MPa
Modulus of Elasticity in Shear G 78500 MPa
Density r 7850 Kg/m3
Utilization Factor of Material us 0.9  

 

Working Diagram

Calculation Results

Space between Coils of Free Spring a 4 mm
Pitch of Free Spring t 8 mm
Wahl Correction Factor Kw 1.119  
Spring Constant k 4.5428 N/mm
Preloaded Spring Deflection s1 8 mm
Total Spring Deflection s8 16 mm
Limit Spring Deflection s9 20 mm
Limit Test Length of Spring Lminf 32.8 mm
Theoretic Limit Length of Spring L9 26 mm
Spring Limit Force F9 90.86 N
Preload Stress t1 77.69 MPa
Full Load Stress t8 155.41 MPa
Solid Length Stress t9 194.25 MPa
Critical Speed of Spring v 1.11 m/s
Natural Frequency of Spring Surge f 123.6 Hz
Deformation Energy W8 0.582 J
Wire Length l 1075.2 mm
Spring Mass m 0.106 kg
Spring Check Result True

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