Shock isolation is the use of devices to reduce the impact of shocks on a mechanism. Shock absorbers absorb excess energy and reduce the damaging impact. Shock isolators store and release energy at a slower rate. Rubber is a popular material used in shock absorber manufacturing. Shock isolation products serve a wide variety of industries and situations.
In mechanical engineering, shock isolation is the use of isolation devices to reduce the effects of shocks on a mechanism. Shock results in a device when a certain type of force pushes energy throughout the apparatus, usually with great pressure in a shortened period of time. Shock absorbers absorb excess energy and reduce the damaging impact on the tool.
The degree of shock is measured by a pulse of energy or a direct impact. There are many different types of pulse shapes; each affects shock intensity differently and how the shock isolation system will respond. Semi-sine, reverse sine, rectangular, and triangular are among the most common pulse varieties.
A shock isolator stores the energy emitted during the initial tremor and releases it at a much slower rate than that absorbed. This is achieved by the insulator first deflecting the shock, then collecting the impact and storing it. The isolator then discharges the vibration according to its natural frequency design.
Rubber is one of the most popular materials used in shock absorber manufacturing, offering protection against small-scale impacts. For heavier equipment, a stronger shock vibration isolator may be required. These can be made from plastic, cork, steel, or specialty polymers, just to name a few.
The demands placed on the shock isolation system depend on several factors. First, the intensity of the shock is considered. The impact makes contact with the floor of the mechanism, which deflects the force; this action can be large or small, depending on the composition of the floor and the degree of the shock. If the floor produces a low level of deflection, more shock will result. The efficiency of a shock isolation tool is not measured by a ratio of output to input, but rather the force as it moves through the isolator and deflects off the floor.
Shock isolation products serve a wide variety of industries and situations. In earthquake prone areas, many devices rely on shock isolation mounts to absorb tremors and ensure public safety. These mounts are attached to a variety of equipment, from simple drawers and shelves to complex mechanical equipment.
A shock isolation mount can also be used in military equipment or mobile transmission units, two areas where a vibration-free environment is critical. Shock isolators are employed by NASA and the Air Force to deal with the impact of wind movement. They are used in some motor vehicles to reduce shaking and maintain the effectiveness and life of engine parts.
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