Whether you are looking for a custom coil spring for an oil rig or a suspension spring for a vehicle, Lesjöfors&#; expert engineers and designers can help.
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Design support is the very first step our engineers take to ensure you achieve the optimum results for your custom spring. Our team of technical design and manufacturing experts ensure the product lifetime of your spring functionality through our tested, recognised and reliable manufacturing processes, guaranteeing your custom spring products competitiveness and quality.
Begin by finding the outside diameter (O.D.) and length or rate (strength) you require. You can reference the diagram shown on the right.
Spring rate is the load (pounds) it takes to deflect (compress) the spring one theoretical inch, i.e., if the rate = 40 lbs./1 in., it would take 10 pounds to deflect it 1/4 inch, or 80 pounds for 2 inches, etc.
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&#; If the length or rate is not known, but the installed working length (WL) is, then select a spring &#; say 30% longer &#; than the WL. You must know the load at the WL. Just subtract the WL from the spring&#;s selected free length and multiply by its rate to obtain the load to compare with your required value.
&#; If the load required is not obtained, select a new candidate with either an increase or decrease in rate (strength) or free length.
&#; Be certain that the tabulated solid length (completely compressed) for your candidate spring indicates enough room for deflection and also that the deflection is not significantly greater than the tabulated &#;Maximum Suggested&#; for stress reasons.
Note: If the spring needed for your application cannot be found in our inventory, we can fabricate it for you. Simply request a quote.
Contact us to discuss your requirements of vehicle coil springs. Our experienced sales team can help you identify the options that best suit your needs.