Acceleration Testing (sometimes called Constant Acceleration Testing) applies a constant or steady inertial load to a product. Constant acceleration testing is performed to verify that components can withstand exposure from inertial stresses such as would be experienced in aircraft, missiles, etc.
Continue reading Acceleration Testing Using a Centrifuge →
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.
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) →
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:
Continue reading MIL-STD-810: Vibration Testing Category 20 – Ground Vehicles – Ground Mobile →
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:
Continue reading MIL-STD-810: Vibration Testing Category 15 – Aircraft Stores →
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:
Continue reading MIL-STD-810: Vibration Testing Category 12 – Fixed Wing Jet Aircraft →
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:
Continue reading MIL-STD-810: Vibration Testing Category 8 – Aircraft – Propeller →
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:
Continue reading MIL-STD-810: Vibration Testing Category 7 – Aircraft – Jet →
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.
Continue reading MIL-STD-810: Shock and Vibration Testing Category 9 – Aircraft – Helicopter →
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This is part two 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 Part 1 – MIL-STD-810 Vibration Testing Overview blog and our Vibration Testing services page.
Category 4 of Method 514.7 Vibration testing details the transportation random vibration environmental conditions from cargo interaction with vehicle suspension and structures with road and surface discontinuities. “This environment may be divided into two phases, truck transportation over US highways, and mission/field transportation. Mission/field transportation is further broken down into two-wheeled trailer and wheeled vehicles categories.”
This vibration test method is used when products or equipment will be transported by large trucks tractor-trailers commonly seen on US highways. The truck transportation over US highways random vibration profile is designed to simulate 1609 km (1000 miles) on interstate highways. The random vibration profile along each axis can be seen in the plot below in Figure 1. The length of this profile is 60 minutes per axis for each 1000 miles of transportation. For example to simulate 2000 highway miles, the vibration test duration would be 2 hours per axis x 3 axes = 6 hours total.
Continue reading MIL-STD-810: Vibration Testing Category 4 – Truck/Trailer – Secured Cargo →