Newcomb Spring of Canada Ltd.

6040 Shawson Drive, Mississauga, Ontario, L5T1P5 Canada View map
www.newcombspring.com
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Spring Rate – What is it & how do I determine spring rate?
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Free white paper
Spring Rate – What is it & how do I determine spring rate?

Contributed by
Newcomb Spring of Canada Ltd.

Description

SPRING RATE – WHAT IS IT & HOW DO I DETERMINE SPRING RATE?

1. Deflect* the spring approximated 20% of the available deflection and measure the load (P1) and the height (L1).

2. Deflect* the spring approximately 80% of the available deflection and measure the load (P2) and the height (L2).

3. Calculate the rate (lbs/inch) or (N/mm) by using the following formula:

R =
(P2 – P1)
(L1 – L2)
where R = Rate, P = Load,
L = Load Length

*To deflect a spring one would apply or remove an external load, causing the spring ends/arms to move.

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Newcomb Spring of Canada Ltd.

www.newcombspring.com
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