P1: Load at point 1
P2: Load at point 2
x: distance from point 1 to point 2
G: Modulus of rigidity of material
d: Wire Diameter
D: Mean Diameter
Nd: Number of dead coils
Lf: Free Length
TS: Tensile Strength
Ls: Solid Length
Ps: Load at solid height
Ss: Solid Stress
Kw: Wahl factor for 2% set point or fatigue
Na: Number of active coils
C: Spring Index. The preferred range is 4-12
a: Helix Angle
p: Pitch
Nt: Total Coils
k: spring rate
S1: Stress at point 1
S2: Stress at point 2
Lw: Wire Length
| P1 | |
| P2 | |
| x | |
| G x 10-6 | |
| d | |
| D | |
| Nd | |
| Lf | |
| TS |
| Ls | |
| Ps | |
| Ss | |
| Kw | |
| Na | |
| C | |
| a | |
| p | |
| Nt | |
| k | |
| S1 | |
| %TS | |
| %Ss | |
| S2 | |
| %TS | |
| %Ss | |
| Lw |