MIL-STD 810, Method 516, Shock Testing Procedure III – Fragility

This is another part of a series of blog posts concerning the MIL-STD 810 Shock Section, Method 516.  This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014.  DES has the experience and expertise to run your MIL-STD-810 test.  For more information, please check out our DES shock testing services page and our other MIL-STD-810 shock testing blog articles:

Procedure III is used to determine what shock conditions will cause a product to stop operating, degrade or fail.  The shock magnitudes are systematically increased until a problem occurs.  This procedure can be also performed using environmental temperature conditioning.

This article will assume that the fragility shocks expected to be encountered by the product are not complex transients.  Therefore, the trapezoidal classical shock pulse, as defined in Figure 516.7-11 and Table 516.7-V from MIL-STD-810, Method 516 would be used for Fragility testing.

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Extreme Combined Temperature & Vibration Testing

DES successfully completed a challenging combined temperature and vibration test which involved high G levels coupled with extreme temperatures!  The vibration conditions required for this test were 10 to 2000 Hz, 20G maximum sinusoidal acceleration.  These sinusoidal vibration tests were conducted during temperatures of -54°C and 200°C.

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MIL-STD-810: Vibration Testing Category 24 – Minimum Integrity Tests (MIT)

This is part nine article in a series of product reliability testing blog posts concerning the MIL-STD 810 Vibration Section. This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014. DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test. For more information, please check out our Vibration Testing Services page and our other MIL-STD-810 vibration testing blog articles.

Vibration Testing Articles

MIL-STD-810 Vibration Testing Overview

MIL-STD-810: Vibration Testing Category 4 – Truck/Trailer – Secured Cargo

MIL-STD-810: Vibration Testing Category 9 – Aircraft – Helicopter

MIL-STD-810: Vibration Testing Category 7 – Aircraft – Jet

MIL-STD-810: Vibration Testing Category 8 – Aircraft – Propeller

MIL-STD-810: Vibration Testing Category 12 – Fixed Wing Jet Aircraft

MIL-STD-810: Vibration Testing Category 15 – Aircraft Stores

MIL-STD-810: Vibration Testing Category 20 – Ground Vehicles – Ground Mobile

Continue Reading MIL-STD-810: Vibration Testing Category 24 – Minimum Integrity Tests (MIT)

MIL-STD-810: Vibration Testing Category 20 – Ground Vehicles – Ground Mobile

This is part eight of a series of blog posts concerning the MIL-STD 810 Vibration Section. This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014. DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test. For more information, please check out our Vibration Testing services page and our other MIL-STD-810 vibration testing blog articles:

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MIL-STD-810: Vibration Testing Category 15 – Aircraft Stores

This is part seven of a series of blog posts concerning the MIL-STD 810 Vibration Section. This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014. DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test. For more information, please check out our Vibration Testing services page and our other MIL-STD-810 vibration testing blog articles:

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MIL-STD-810: Vibration Testing Category 12 – Fixed Wing Jet Aircraft

This is part five of a series of blog posts concerning the MIL-STD 810 Vibration Section. This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014. DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test. For more information, please check out our Vibration Testing services page and our other MIL-STD-810 vibration testing blog articles:

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MIL-STD-810: Vibration Testing Category 8 – Aircraft – Propeller

This is part four of a series of blog posts concerning the MIL-STD 810 Vibration Section.  This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014.  DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test.  For more information, please check out our Vibration Testing services page and our other MIL-STD-810 vibration testing blog articles:

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MIL-STD-810: Vibration Testing Category 7 – Aircraft – Jet

This is part three of a series of blog posts concerning the MIL-STD 810 Vibration Section.  This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014.  DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test.  For more information, please check out our Vibration Testing services page and our other MIL-STD-810 vibration testing blog articles:

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MIL-STD-810: Vibration Testing Category 9 – Aircraft – Helicopter

This is part of a series of blog posts concerning the MIL-STD 810 Vibration Section.  This blog was written with reference to MIL-STD-810G w/Change 1 dated 15 April 2014.  DES has the experience and expertise to help you determine what profiles are appropriate for your product and to run your MIL-STD-810 vibration test. For more information, please check out our Vibration Testing services page and the other blog posts in this series,

MIL-STD-810 Vibration Testing Overview

MIL-STD-810: Vibration Testing Category 4 – Truck/Trailer – Secured Cargo

Procedure I (General Vibration), Category 9 of Method 514.7 Vibration testing details the vibration profile of cargo carried in helicopters.  This vibration profile is unique because it superimposes strong narrowband peaks of sinusoidal vibration caused by rotating components such as the main or tail rotors, over low-level wideband random vibration caused by aerodynamic flow.  This vibration profile is generally referred to as Sine on Random Vibration Testing.  Figure 1 outlines the typical vibration profile and the variables which are determined based upon the type of helicopter as well as the location on the helicopter where your product will be used or stored.  Tables 1 and 2 define the equations and properties used to determine the variables used in the Figure 1 plot.

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