Isolation Nomogram

The Nomogram below can be used to estimate either of the three variables if the other two are known.

For example, if 90% isolation is required from a motor running at 2400 rpm, then a static deflection of approximately 1.6mm would be required.  It can be seen that for low forcing frequencies it is necessary to have increasingly large deflections in the mounts tending towards spring based or cable mounts.


 It should be remembered that this is a simplified tool and can only provide approximate results as other factors are involved in the final mount selection.  Isolation below 50% tends to deteriorate rapidly with small changes to deflection or forcing frequency.

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We specialise in all aspects of vibration and shock isolation using different rubber based materials, metals, springs, wire cable etc.

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In addition to our extensive range of standard products, our services include bespoke design, manufacture and testing to suit demanding customer requirements.  


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