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Month: April 2022


Vibration Test Fixture Design

Usually, when a fixture is designed with only static loads in mind, a very severe major resonance occurs within the frequency range of the test. The clamping and bolting arrangement, while adequate statically, turns out to be very soft or compliant when analyzed dynamically. In other words, the mass of the test item and fixture is resonant on the soft springs consisting of the clamping arrangement to the shaker table. There are at least two major objections to this resonant condition.

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