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Product Name
N
kgf
Data Input
*Please fill in the fields with white frames
Result
Material
SUS304WPB
SUS316WPA
SW-C
SWP-A
SWP-B
Wire Dia.
d
Φmm
Extension Stress
N/A
N/mm
2
Coil
Outer Dia.
OD
Φmm
Avg Dia.
D
Φmm
Inner Dia.
ID
Φmm
NO. of Coils
Na
Coil
Free Length
Lf
mm
Shape of Hook
Crossover loop
Machine Loop
D loop
Mounting
Length
L1
mm
Load
P1
N
Working
Length
L2
mm
Load
P2
N
Init. Tension
Pi
N
Recommended Init. Tension
N
Input is changed, click the Calculate button to re-calculate.
Material
Wire Dia.
d
Φmm
e-modulus
G
N/mm
2
Coil
Outer Dia.
OD
Φmm
Avg. Dia.
D
Φmm
Inner Dia.
ID
Φmm
No. of Coils
Na
Coil
Free Length
Lf
mm
Spring Const
k
N/mm
Mounting
Length
L1
mm
Load
P1
N
Stress
τ1
N/mm
2
Working
Length
L2
mm
Load
P2
N
Stress
τ2
N/mm
2
Init. Tension
Pi
N
Spring Index
D/d
Upper Limit of Stress Coef.
Direction of Hook
Degree
Evaluation of Durability
* Please use the "Evaluation of Durability" as an approximate estimate, we will not guarantee the Evaluation.
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