A fundamental part of any vibration and shock test program is the fixture method. The fixture is the interface between the electrodynamic shaker and the equipment under test. Sometimes a simple clamping or bolt mounting method is sufficient, other times a more complex, bespoke solution is required.
A good vibration fixture should be:
Light and rigid, the theoretical ideal fixture has zero mass and infinite rigidity
Transmit vibration energy evenly throughout the equipment under test
Have minimal resonances within the test frequency range
Easily interfaceable to the test shaker in each of three orthogonal axes
Replicate as close as possible the in-service mounting arrangements of the equipment under test
At TÜV SÜD we offer a design and manufacture service for bespoke vibration fixtures. Our vibration team has over 100 years combined experience, and will be involved from concept to manufacture to offer a complete turn key solution to your vibration fixture requirements.