Functions of Vibration Isolation Rubber

1. Vibration isolator

To optimize vibration isolation, it is important to consider the required spring stiffness of each individual rubber mount at each load support point. Ideally the softest possible rubber compound will achieve the best isolation providing it can offer sufficient durability. Bridgestone engineers will gather various data to calculate a suitable size and shape mount with a specific rubber compound for your application.

Common benefits of using Bridgestone Vibration Isolation Rubber include:

  1. Simple and compact design, capable of 3-directional spring  support in a single unit.
  2. Reduced resonance amplitude thanks to the damping effect of rubber.

These benefits are unique to Rubber and cannot be offered by metal springs.

2. Shock absorber

Also known as a "buffer".

There are many good reasons to use rubber as a shock absorber::

  1. The natural elasticity of rubber easily absorbs sudden impact by slowing down the speed of movement.
  2. Upon impact rubber compresses and deforms easily but gradually deforms less with more load. In other words, Vibration Isolation Rubber (VIR) has a unique characteristic. Its spring stiffness changes according to the degree of deformation. This makes it a very efficient shock absorber against high impact energy.
  3. VIR can very quickly absorb vibration caused by impact .

This damping effect cannot be achieved by using metal springs.

3. Sound insulation

Noise transmission is divided into two routes known "Solid transmission sound" and  "Air transmission sound". Vibration isolation rubber can absorb solid transmission sound very effectively. This is because when sound energy penetrates into the rubber from a machine interface such as a chassis, the rubber creates a large resistance which deflects almost all sound energy.

Why choose Bridgestone?

Simply put: Bridgestone knows about rubber. Our significant engineering expertise and experience allows us to select the best vibration isolation solution for your application.

Read more about the design theory behind Bridgestone's Vibration Isolation Rubber products.