A Layman’s Guide To Vibration Isolators

As fair weather spreads across of the continentalshape required so that when the mount is subjected
US, construction professionals and boating enthusiaststo force from the engine, it contains and deflects it.
both inspect their machinery for the season ahead.Think of dropping a rubber ball. It bounces back
What to pleasure boats and earth movers have inbecause of the opposed force generated by its
common? According to professionals at AV Products,impact. If you were to tie the ball to your palm
Inc. they have one issue in common with severalinstead and slap the ground with the same force,
other classes of vehicles, including cars, trucks andyou wouldn’t feel the ground, but you would feel
RVs: vibration. Vibration isolation mounts are anthe ball pushing back, deflecting the force of the
integral part of these machines. Large boats needimpact.
marine engine mounts to keep in working order, andRubber anti-vibration mounts are far more
construction machinery needs engine vibrationsophisticated than this, however, because they are
mounts to function safely.calibrated for the specific amplitude or intensity of
How do they work? Anti-vibration mount technologythe attached machine. The physics of vibration are
is based on the principle of planned isolation: usingwell understood, so vibration isolators can be built for
systems to prevent a mechanical system’sspecific engines and other machines with a high
vibrations from spreading to the surroundingdegree of precision. Vibration isolation mounts are
structures. Without planned isolation, the powerfulmade of materials that match the necessary
engines used in forklifts, larger boats and industrialspecifications. For example, rubber is a common
machinery would be impossible. Built up vibrationsmaterial because of its elastic strength, but a mount
would eventually damage the surrounding structureswill actually be made of a type of rubber designed to
and tear the engine apart. A static mount such as ameet a specific vibration capacity. If the rubber is too
metal frame is ineffective because it will eithersoft, it won’t provide opposing force. If it’s
transmit the vibrations into other structures anyway,too hard, too much of that force will deflect back,
or bounce them back to the machine, tearing it apart.damaging the engine.
That’s why machines need mounts that will notUnfortunately all systems wear out in time, so
only suspend the engine away from other structures,whether your machines are used for business or
but provide a way to dissipate vibrations. The enginerecreation, checking your anti-vibration mounts for
“floats” on its mounts, which absorbwear and tear, and paying attention to unusual noises
vibrations without significantly transmitting them toand vibrations should be one of the fundamentals of
the rest of the structure. Vibration isolators do thisspring maintenance. Your anti-vibration mounts are
by providing an opposed force; the net result of theessential. If they don’t work, the engine
two reduces the final vibration to a negligible level.doesn’t work. Order the right replacements as
The secret lies in using the exact materials, size andsoon as possible.