conical compression springs

At first glance, springs of all types can appear to be basically the same. In reality, however, there are a wide variety of spring designs, all with differing characteristics, depending on the job they are intended to do. Two specific types of springs that are similar, but with differences are compression springs and die springs.

Of all the spring types, compression springs are probably the most common. Their basic function is to resist a compressive force. When pressure is applied, they shorten in length, storing mechanical energy while compressed. Compression springs are used in wide range of product applications, from clothes pins to electronic devices.

Die springs are compression springs, but differ from most in that they are a type of high force compression spring. Engineered to consistently give predetermined pressure at a given compression, die springs are well-suited for applications involving high loads or extreme conditions, like high temperatures. Die springs are often used in automotive applications or heavy machinery assemblies. They are a good choice for applications requiring high force within a limited area.

If die springs are stronger than most compression springs, does that mean it is always better to specify them? Not necessarily. Some of the products and assemblies in which springs are used require lighter weight and less bulk, making the heavy duty construction of die springs less conducive. When it comes to both compression springs and die springs, choice of material, wire diameter, and other variables are determined by the spring’s ultimate use and the environment in which it will function.

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