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Conical Spring Measurements - How to Measure a Conical or Tapered Springs

Compression Springs Compression Springs

Input results shown will be +/- 10% from middle value
Hint: The closer your min and max inputs are, the more accurate your results will be!

Outside Diameter
to
Inside Diameter
to
Free Length
to
Wire Diameter
to
Total Coils
to
Rate
to
Material Type
Max. Load
to
Max. Deflection
to
Solid Height
to
*Required Field
Extension Springs Extension Springs

Input results shown will be +/- 10% from middle value
Hint: The closer your min and max inputs are, the more accurate your results will be!

Outside Diameter
to
Length Inside Hook
to
Wire Diameter
to
Max. Load
to
Max. Deflection
to
Initial Tension
to
Rate
to
Material Type
*Required Field
Torsion Springs Torsion Springs

Input results shown will be +/- 10% from middle value
Hint: The closer your min and max inputs are, the more accurate your results will be!

Outside Diameter
to
Inside Diameter
to
Total Coils
to
Free Position
to
Wire Diameter
to
Body Length
to
Max. Torque
to
Max. Deflection
to
Rate
to
Leg Length
to
Material Type
*Required Field
Measure A Conical SpringMeasure A Conical Spring

When measuring your conical spring, you must know the following dimensions:

 

  • Small Outer Diameter
  • Large Outer Diameter
  • Free Length
  • Wire Diameter
  • Total Coils
  • Solid Height

Please see graphic to the right for more help.

 

Conical springs are accurately measured with a dial caliper. The reason for this is because a caliper provides you with a more exact measurement. Wondering why this is so important? Well, take your spring's wire diameter as an example. In most cases, if the spring's wire diameter is off by 0.001" it'll affect your spring's rate and travel so one must have exact measurements when measuring a conical spring.

How to Measure Your Spring

 

Measure Conical SpringsMeasure Conical Springs

 

Another thing you must focus on is your end types. The end types available are the following: 

Feel free to visit our Free Online Compression Spring Calculator

Closed and Squared EndsClosed and Squared Ends

Closed and Square The ends are closed and don't have pitch, therefore, not all the coils on your spring will be active. In this case you may calculate your active coils by subtracting 2 coils from your spring's total coils: Total Coils - 2 = Active Coils.

Closed and Ground EndsClosed and Ground Ends

Closed and Ground These ends are the same as closed and square ends but the ends go through a grinding process that grinds half a wire diameter off the first and last coils so that your spring will stand vertically. The calculation process for active coils is the same as the one used for closed and square ends : Total Coils - 2 = Active Coils.

Open EndsOpen Ends

Open Ends These ends are the opposite of closed and square ends because the ends don't close and don't have pitch. Therefore, all the coils of a spring with open ends are active.

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Created by Alfonso Jaramillo Jr

President Acxess Spring

Over 40 Years of Experience in Spring Engineering and Manufacturing

Try Now Spring CreatorTry Now Spring Creator

 

Created by Alfonso Jaramillo Jr
President Acxess Spring
Over 40 Years of Experience in Spring Engineering and Manufacturing