Impact Fuze Tester Improvement Study
LOCKHEED ELECTRONICS CO INC PLAINFIELD NJ PRODUCTS AND SYSTEMS DIV
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This report contains an analysis of the effect of test variables on test results including 1 fuze weight 2 drop height 3 impairment of free fall conditions 4 securing of Fuze to test fixture and 5 impact surface area. The following improvements to the Drop Test Fixture were made 1 modification of the cabling from the Impact Fuze to the amplifier circuits 2 improvement of finishes for the sliding surfaces of the fixture and 3 modification of calibration dummy fuze to simulate the production configuration to a greater degree. These improvements have reduced test time by providing a higher degree of g load accuracy and repeatability making it possible to obtain the proper test g loading without requiring constant re- adjusting of the test parameters. In addition, the number of tests to be performed on each fuze was reduced thereby resulting in a reduction of testing wear and tear on the fuzes, as well as improvement of fuze reliability.
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