VIBKIT Plus summary sheet (1 Page PDF) Programs contained in VIBKIT 98 What's added to VIBKIT Plus An Introduction to Vibration Testing Training Courses on Vibration Testing Test Your Knowledge on Vibration Testing How to select a Vibration Test System V830 SPA16K System Information What is Humidity Plus ? Useful links related to vibration testing Free Programs PC requirements for VIBKIT Richard Baker
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Last updated 01/01/2014 (UK) 01/01/2014 (US)


What is Vibration Testing ?

One of the many Environmental tests to which products are subjected is Vibration. These vibration tests are carried out using an Electrodynamic Vibration Test System, which, in very simple terms, is a Vibrator (Shaker, Thruster, Exciter), a Power Amplifier and a Vibration Controller.

As to what is Vibration Tested, it is probably easier to list what is not. If it is Electronic, Mechanical, or Electromechanical and is to be transported from A to B it will, at some time during its development or production, have been subjected to vibration tests: satellites, mobile phones, cars (all and component parts), aircraft, cans of beer with widgets and even boxes of chocolates, to name just a few.

The type of tests are many and varied, but they break down into several categories which are: Sine (Fixed Frequency, Swept, Resonance Track & Dwell, Multi Sine), Random (Broad Band / Narrow Band), Shock / Bump, Fixed Sine on Random (SoR), Swept Sine on Random, Swept Random on Random (RoR), Gunfire, Pyrotechnic Shock, Shock Response Spectrum (SRS), real time data and probably some more mixed mode tests which I can't think of at this moment.

It may be thought that performing a vibration test is just a matter of putting the product to be tested onto the vibrator/shaker, entering the test profile into the controller and pressing "Run". Unfortunately, it is a lot more complicated than it sounds, and only years of experience and detailed knowledge of the subject would enable you to set up and run a test correctly . Even the most experienced Vibration Test Engineers will tell you that there is always something to learn about the subject. The engineer who "knows it all" about Vibration Testing does not exist!

Training: Untrained Vibration Test personnel are dangerous, not only to the Vibration Test System, but also to the Product Under Test!! Mistakes can be very expensive.