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Concave Compression Springs buy in Katy
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Concave Compression Springs

Concave Compression Springs

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Description
Tapered so that both ends are larger than the middle, the concave (hourglass) design of these springs help to keep the spring centered on a larger diameter hole.

Concave (hourglass) compression springs can have some of the same advantages as a conical spring . The added advantage is that they are symmetrical.

We can custom manufacture any concave compression spring and end, from a wide variety of materials and finishes, to meet your design needs.

Send us your concave compression spring designs today and you'll see why our customers keep coming back!
The basic information needed by Katy Spring in order to assist our customers with compression springs is material, wire size, free length, number of coils, travel, diameter, end types, finish, works over, works in, and maximum solid height. Katy Spring can assist our customers in determining design parameters for compression springs if only partial data is available.

Music wire, hard-drawn MB, oil-tempered MB, and stainless steels are the most popular materials. Alloy steels such as chromium-silicon and chromium-vanadium are often used. Copper-based alloys such as beryllium-copper, phosphor-bronze, and spring brass are occasionally required, as are the proprietary nickel-based alloys such as Inconel, Monel, Ni-Span C, Elgiloy and so on.

Determining wire size is part of the design method process for compression springs. The methods used for design evolved from trail-and-error method observations all the way up to today's modern methods of spring design software which is incorporated by Katy Spring to assist our customers with wire size selection.

The least expensive and most used type of end, where the index D/d is above 10, is with closed ends, not ground; this type is especially satisfactory for light wire sizes less than .031 in. in diameter. The second most useful type, especially where small load tolerances or minimum buckling is required, is the "squared and ground"; this type also provides more uniform loading and will stand upright without tipping. The open ends and the open ends ground are seldom used, as they often tangle together during shipping; they cannot sand upright and do not exert uniform loads.

The outside diameter of a compression springs increases when deflection occurs. This change is because the slope or angle of the coils relative to the axis of the spring changes when deflection takes place. Allowance for this change should be made when a compression spring is housed in a tube to prevent friction or binding which can cause increased stresses and subsequent early failure.
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Concave Compression Springs
Concave Compression Springs
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