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Compression springs
You push them, they push back
While they all serve different purposes, compression springs all work on the same principle; they offer resistance to linear compressing forces. You push them, they push back!
Helical Compression Springs are the most widely used type of metal spring. Virtually every major industry relies on the use of compression springs.
Production-line machines to surgical equipment to the engine in your car; all use compression springs.
They store energy more efficiently than just about any other device available.
They range in size from the [1.5mm diameter] springs under the keypad of a cellphone to the [180mm diameter] shock absorbers in large trucks, aircraft and heavy machinery.
Conical springs are capable of compressing to a length under load that is shorter than a normal straight coil spring. The rate of a conical spring is variable as each of the larger diameter coils close under compression then the spring rate becomes higher.
Size Range |
Steels Available |
Coatings and Finishes |
0.3mm to 16mm
Various flat strip sizes
on hand. |
Carbon, Stainless, Phospher Bronze. |
Paint
Electro plating, ie Zinc
Powder Coating |
Materials / configurations
Helical Compression Springs can be constructed from a variety of different metals, each with their own unique properties that have an effect on the spring produced.
Most metal compression springs are constructed from stainless steel, high carbon steel, alloy steel, base alloy wire or brass. The metal used will affect the spring rate (stiffness) and durability of the spring.
Another factor to consider is how resistant to corrosion the spring metal will be; particularly important in situations where it may be in contact with corrosive substances.
Stainless steel and some other alloy steels are very resistant to corrosion while other spring metals can be coated or painted to reduce corrosion.
Helical Compression Springs are generally constructed as a straight coil (the most common comp. spring) but can also be constructed in a concave (hourglass) or convex (barrel) configuration, a conical configuration or a combination of the above.
Conical springs are used in situations that require low overall length under load and will not be under large stress.
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