Qualification Testing on Aerospace Connectors

DES — Fri, 29 Jan 2016 16:57:24 +0000

DES recently performed qualification testing on aerospace connectors which involved combined temperature and sinusoidal vibration testing, random vibration testing and shock testing. Combined temperature and sinusoidal vibration tests were performed per EIA 364-28F. EIA 364-28F required test conditions of 10-2000 Hz, 20G maximum acceleration sweeps at temperatures of -54°C and 200°C over the course of 4 hours per axis. Random vibration tests were also performed per EIA 364-28F. Random vibrations at 50-2000 Hz, 46.3 Grms were applied to the connectors for 8 hours per axis. The random vibrations were applied at room temperature. Finally, the connectors were subjected half sine shocks per EIA 364-27C. The shock requirements were three shocks per polarity, per axis at 300G over the duration of 3msec. A sample shock plot can be seen in Figure 1.

Figure 1 – Sample Shock Test Plot

These tests demonstrate the unique capability of Delserro Engineering solutions. Not many labs are equipped to perform combined temperature and vibration testing at the extreme temperatures of this test or are able to produce the high levels required for random vibration and shock testing.

For more information on Combined Temperature and Vibration Testing or other vibration testing services, contact DES or call 610.253.6637.

The post Qualification Testing on Aerospace Connectors appeared first on Delserro Engineering Solutions.

Package Testing Using Combined Temperature & Vibration

DES — Wed, 06 Jan 2016 17:52:58 +0000

Nowadays global markets and expedited shipping methods expose packages to less than ideal conditions during the transport process. International Safe Transit Association (ISTA), International Air Transport Association (IATA), International Organization for Standardization (ISO) and American Society for Testing and Materials (ASTM) all contain protocols and requirements used to evaluate product package design. Some of these test profiles require combined environments such as combined temperature and vibration testing. This type of testing requires specialized equipment, set up and experience from the lab conducting the test.

DES recently performed a combined temperature and vibration package test according to ISTA 3A Over-The-Road Trailer Spectrum for a pharmaceutic company looking to evaluate their package design. Utilizing our combined temperature and vibration test set up we were able to successfully perform random vibration tests on their packages at 60 °C. The vibration profile specified a frequency range from 1 to 200 Hz at 0.53 Grms. This was a relatively simple test given DES’s capabilities. Package tests using combined temperature and vibration, however, is a special capability uncommon to many package test labs. Temperature ramping as well as hot and cold dwells can also be incorporated depending on your reliability needs.

For more information on Package Testing please contact DES or call 610.253.6637.

The post Package Testing Using Combined Temperature & Vibration appeared first on Delserro Engineering Solutions.

Combined Temperature & Vibration – Delserro Engineering Solutions

Qualification Testing on Aerospace Connectors

Package Testing Using Combined Temperature & Vibration