Dynamic Tests

Loose Cargo Test

Transport containers carrying military and civilian equipment usually spend considerable time behind transport trucks. Driving can be quite difficult when the cargo is off track to be delivered to remote work areas. Products that serve as rough roads can be packaged phones, laptops, missiles or medical equipment, and these products must operate on arrival regardless of journey.

Gevşek Kargo Testi

The army designed the loose cargo test section in MIL-STD-810 to simulate the movement of an unlimited container as it constantly collides with the walls and floor of a four-sided enclosure (and other cargoes) in a semi-elliptical orbit.

This test usually takes 45 minutes and simulates moving about 150 miles (240 km) (all three axes simultaneously). This process requires a special low rpm (300 rpm), low frequency (5 Hz) and small displacement (2,5 cm / 1 inch) test bed package tester.

The International Safe Transit Association (ISTA) has developed a civilian package testing procedure similar to military testing: 1A for heavy products over 150 lb 68 lb (1 kg) and 150B over 68 lb (1 kg). In subsequent procedures such as 1C, 1D, 2A, additional tests as well as loose cargo foundation testing are combined with atmospheric conditioning and other factors. 

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