Types of Springs A Thomas Buying Guide

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Springs are mechanical devices that pull, push, wind, support, lift, or protect. They are used mainly in mechanical assemblies to provide force—compressive, tensile, or torsion—where they can be used to lift engine valves, open die sets, or hold batteries in place, to name just a few examples. Springs are commonly wound from wire, but can be machined from solid steel, built as cylinders, formed as bags, stamped from steel, or assembled from other springs. Ordinary wire springs exhibit a force whose magnitude increases linearly as the spring is pushed, pulled, or twisted. • Different Types of Springs and their Characteristics • Compression Springs • Typical uses include ballpoint pens, door locks, and pogo sticks. • Extension Springs • Typical uses include garage doors, trampolines, and vise-grip pliers. • Torsion Springs • Typical uses range from clocks and watches to motion controls in automatic machinery. • Drawbar Springs • A typical use is supporting porch swings where the spring cannot be loaded past the point of failure due to the self-limiting property of the compression spring. • Volute Springs • An easily recognizable use is found in high-quality nail clippers or pruning shears. • Garter Springs • A common use of garter springs is in hydraulic, pneumatic, and radial shaft seals where they provide a slight inward force on sealing lips. • Flat Springs • Some easily recognizable examples of flat springs are flat battery contacts, vehicle leaf springs, and counterbalances in sliding screen windows. • Other Springs • Springs that are assembled into components for particular applications are called spring assemblies. Springs used to protect hydraulic lines are called protective coil springs. Hydraulic springs use special hydraulic fluid in very short stroke applications and are found in die springs. Box springs support the bed mattresses. • Gas and air springs are somewhat different in their actuating methods than most of the mechanical springs discussed here. Instead of them relying on the twist in a length of straight or coiled metal, gas and air springs use pressurized gas to produce a spring effect. • Gas Springs • Gas Springs are used primarily in the automobile industry for the raising and/or lowering of hoods or hatches. Applications include seat height adjustments on office chairs. • Air Springs • Air springs are used primarily for vehicle suspensions for shock absorption and as machine mounts for vibration isolation. Air springs used for vibration isolation are also known as air cushions. • Read more: https://www.thomasnet.com/articles/ma... • Visit the Thomas WEBSITE: https://business.thomasnet.com/ • Follow Thomas news on TWITTER: / thomasnet • Like Thomas on FACEBOOK: / thomasforindustry • ABOUT THOMAS • Thomas believes in the power of industry, and we are uniquely capable in helping to fuel its success. For 120 years we have served the needs of B2B buyers. In doing so, we support the industrial supplier that needs to reach, engage, and sell to them. • With the legacy of our Thomas Register at our back, today’s Thomas is a data, platform and technology company that has become the leading resource for the industrial marketplace. • Our solutions inform, support, and empower industry, from the half-million suppliers that rely on us to help them grow their businesses, to the million-plus buyers, engineers, and other purchase decision makers that turn to us each month for tools and information that help them find exactly the supplier they need. • Thomas makes industrial sourcing easy. Join our 850,000+ members and register today for free: https://business.thomasnet.com/register • / thomasnetvideo in the Thomas Network at https://www.thomasnet.com. If you’d like to stay in the know with what our Thomas Index shows each week, in addition to receiving relevant industry news each morning, sign up for our Thomas Industry Update newsletter at https://www.Thomasnet.com/updates • https://www.Thomasnet.com • Visit the Thomas WEBSITE: https://business.thomasnet.com/ • Follow Thomas news on TWITTER: / thomasnet • Like Thomas on FACEBOOK: / thomasforindustry

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