![]() Rubber, on the other hand, usually use the A or D scale. Sorbothane is softer than most other materials used to create isolator pads, measured on the 00 Shore scale. In addition, those in need of isolator pad materials will find that Sorbothane is available in more than one durometer, which is a measure of hardness. In addition, Sorbothane offers a good damping coefficient. It is also far longer lived than foam products, or even natural or synthetic rubber. For instance, it has a much wider range of operable temperatures than rubber or silicone. Sorbothane is quite a bit different from other materials traditionally used to reduce vibrations. Sorbothane, a unique blend of viscoelastic polymers, offers much better operation for isolator pad construction, and can also be used to manufacture vibration dampeners and shock absorbers for use in numerous different applications. However, this is not necessarily the right combination, as both materials have some problems. In many instances, metal springs and rubber bushings are used as isolators. Obviously, this is a very important role, and the best materials possible should be chosen for the job. They keep the natural frequencies of a system to a lower level, reducing the problems of vibration. However, isolator pads work before vibrations really get started. In essence, they eliminate vibrations once they have started. Dampeners are responsible for eliminating mechanical energy within a system. Vibration isolator pads do a different job than dampeners. Materials for isolator pad construction can greatly aid in reducing vibration within systems. However, if that vibration were to go unchecked, it would eventually compromise the device’s performance and interfere with test results. ![]() ![]() The machine spins rapidly, creating a considerable amount of vibration. For instance, consider the vibrations caused by a centrifuge used in a medical facility. However, in larger systems, those vibrations can become very problematic. Minute vibrations are created by actions as simple as taking a step or bending your elbow. Vibration is present in all systems to some extent or other.
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