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Tag: Vibration Testing

DES Increases Combined Temperature & Vibration Testing Capabilities

DES added another larger AGREE Chamber to perform Combined Temperature and Vibration Testing. This gives DES additional capability to perform combined environmental testing on larger products. DES has performed Combined Temperature and Vibration Testing on car engine sensors, helicopter sensors and outdoor heavy industrial products. Some of the test specifications include MIL-STD-810 and General Motors …

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Sinusoidal Vibration Testing

Sinusoidal or Sine Vibration Testing is one of the more common types of vibration testing services performed by vibration test labs. See Sinusoidal Vibration Basics to learn more about vibration fundamentals. A primer containing a more technical explanation on sinusoidal vibration testing can be found in our blog article Sinusoidal and Random Vibration Testing Primer. …

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Three Axis Vibration Testing

Most vibration test specifications require vibration testing along 3 orthogonal axes.  Vibration testing using most ElectroDynamic (ED) Shakers is performed 1 axis at a time. However the orientation of the ED shaker or the Device Under Test (DUT) can be changed to complete testing along all 3 orthogonal axes. Many ED shakers can be rotated …

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Classical Shock Testing

Classical shock testing consists of the following shock impulses: half sine, haversine, sawtooth, and trapezoid.  Pyroshock and ballistic shock tests are specialized and are not considered classical shocks. Classical shocks can be performed on Electro Dynamic (ED) Shakers, Free Fall Drop Tower or Pneumatic Shock Machines. The parameters required to define a shock test are …

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Recent Testing Projects

We had many interesting test projects at Delserro Engineering Solutions this past month: We completed a Pyroshock test on our Mechanical Impact Pyroshock Simulator (MIPS) on equipment that will fly into outer space. On the other end of the altitude spectrum, we completed environmental testing of components that will be used in submarines to MIL-E-917.  …

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Lead Free Solder Reliability Issues and Test Methods

This article discusses the reliability challenges of switching over to lead-free solder and the test methods used to demonstrate reliability, written by Gary Delserro and published in Evaluation Engineering Magazine.  Click on the link to download the article in PDF, Lead Free Solder Reliability Issues & Test Methods. Environmentally friendly is a term rapidly invading the …

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Exposing Hard to Find Defects

This article discusses an abbreviated technique that uses the tools of HALT to expose hard-to-find defects in products returned by customers, written by Gary Delserro and published in Evaluation Engineering Magazine.  Click on the link to view the article in PDF, Exposing Hard to Find Defects. How many times have your customers returned products or circuit boards …

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