Torsion spring calculator
Customer input field
HELP Show description
Blank Display after calculation
How to use the page
 
Calculated after entering a number
Tolerance of dimensions and load
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Clear numbers
Dimension input field HELP
Modulus of elasticity
N/mm2HELP
Material diameter
mm
Center diameter
mmHELP
Free length
mmHELP
Active coils
CoilsHELP
Arm 1
mmHELP
Arm 2
mmHELP
Spring constant
N・mm/radHELP
 
Load/stress characteristics column 
  Angle input Spring usage range Stress value(N/mm2)
degrad Convert to Radians Torque(N・mm) σ
1st angleHELP
2nd angleHELP
3rd angleHELP
4th angleHELP
Specified torque at the first angle→HELP mass

Conversion spring constant when specified

N・mm/rad D/d
Active coils of back calculation when specified Coils Material length
Torsion spring diagram
Static stress judgment table of selected wire diameter by material
Use
For generalHELP For corrosion resistanceHELP
Angle point
SWP-A
SWP-B
SWOSC-V
SUS304WPB
SUS316WPA
Angle P1
Angle P2
Angle P3
Angle P4
Allowable static stress N/mm2
Regarding the shape
advice
Recommended guide bar diameter (when used for winding) Material diameter and diameter
Active coils and free length Between coils
Angle of point
advice
1st angleP 3rd angleP
2nd angleP 4th angleP
Advice when specifying
torque

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