Uneven-pitch conical springs’ formulas

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keyword: springdesign; conicalsprings; coisprings; springpitch

Question Babacar 2021/11/4(Thu) 21:30

Hello,
I am looking for conical spring calculation formulas when the pitch is variable in order to obtain a constant spring rate. Unfortunately, I can not find any documents related to that type of conical spring.
Do you have any documents or information about conical spring with variable pitch ?
Thank you.

Answer Tokai Spring 2021/11/5(Fri) 18:36

Dear Babacar,

Thank you for your question!
It is known that the relationship between load ad deflection of conical springs is non-linear (please see attached photo for your reference).
Therefore, the spring rate is not constant.

We are very sorry for not being able to give you the answer you are looking for but we hope this helps.

Best regards,
Tokai Spring’s Support Team

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