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Compression Springs Compression Springs

Enter your Outside Diameter and Free Length
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Outside Diameter
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Inside Diameter
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Free Length
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Wire Diameter
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Total Coils
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Rate
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Material Type
Max. Load
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Max. Deflection
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Solid Height
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*Required Field
Extension Springs Extension Springs

Enter your Outside Diameter and Length Inside Hook
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Outside Diameter
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Length Inside Hook
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Wire Diameter
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Max. Load
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Max. Deflection
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Initial Tension
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Rate
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Material Type
*Required Field
Torsion Springs Torsion Springs

Enter your Outside Diameter and Total Coils
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Outside Diameter
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Inside Diameter
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Total Coils
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Free Position
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Wire Diameter
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Body Length
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Max. Torque
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Max. Deflection
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Rate
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Leg Length
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Material Type
*Required Field
Conical Springs Conical Springs

Enter you Small Outside Diameter, Large Outside Diameter and Free Length
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Small Outside Diameter
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Large Outside Diameter
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Free Length
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Rate
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Total Coils
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Solid Height
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Wire Diameter
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Material Type
*Required Field

Double Cone Springs

Definition: Double cone springs are open wound coil springs with variable diameters. They also known as barrel or barbell springs. They are coil springs with tapered ends forming a concave or convex shape thus simulating that the spring is made of two cone springs.

Barrel And Barbell SpringBarrel And Barbell Spring

Double cone springs are also known as barrel or barbell springs. They are used for the same reason you use a conical spring; to provide stability and/or reduce solid height. In the case of these barrel or barbell springs, they will give your long compression spring the stability it needs and give you a bit more space as opposed to a conical spring that’ll need a larger outer diameter on the base and a smaller outer diameter at the top thus making the end with the larger outer diameter much weaker meaning that’s the part that’ll start deflecting first.

Barrel Double Cone Spring deflectinoBarrel Double Cone Spring deflectino

The deflection in a barrel or barbell spring works the same way. The side with the largest outer diameter will compress faster. In the case of a barrel spring, they have a convex shape so the large outer diameter is in the middle while the smaller outer diameters are at the ends. This means that the barrel spring will begin compressing from its center first.

 

In the case of a barbell spring which has a concave shape, the ends measure the large outer diameters while the center of the spring will have the small outer diameter. These start compressing from the ends equally as if being pushed into the center.

Double Cone Springs BarrelDouble Cone Springs Barrel
Double Cone Springs BarberbellDouble Cone Springs Barberbell