Downloaded from https://www.everyspec.com MIL-STD-81OD 19 July,1983 NETHOD 514.3 VIBRATION” ,.., r SECTION ,. I-1 I-2 I-3 &ii%2. 1 ‘PURPOSE. . ..’.. .. . . . .. . . . . ... ... .. . . . : .51.4.3-1 ENVIRONMENTAL EFFECTS. . . . .... . . . .. “.,,’.: . . . . 514.3-1 GUIDELINES FOR DETERMINING TEST PROCEDURES AND TEST ~~,. CONDITIONS . . . . . . . . . . . . . . . . . ... . . . 514.3-2 SPECIAL .CONSIDERAT:IONS; . . : ..... . ,. . . . . 514.’3-58 REFERENCES’... . . . . . . .. . . ..... .,..... : :.: 514.3-65 .,. I-4 I-5. . ,:, :.. SECTION“II ..,,” 11-1 . II-2 II-3 II-4 APPARATUS. . : . +.:,.. .,, .,...., . . . . ... . . . . 514.3-69 PREPARATION FOR TEST .’.. . . . . . .,.’... .. . .
5,14.3-71 PROCEDURES’. ... . . . . . . . .:. . . . . . ’.”...... 514.3-72 INFORMATION . . . . ... .. . . . .. . . . . .. . . . .. . .. . “514.3-75 1 - 1 EKEWSE. Vibration testing is performed to determine.the resistance of equipment to vibrational stresses expe,ct.edin its shipment’aridapplication environments. I-2 ~. Vibration oan cause:” a. Wire chafing. . ,, b. Loosening of fasteners~ ...!.’. c. Intermittent 61eotric,al, “contacts.:’ ,: d. Touching and shorting of electrical parts,.. e. Seal deformation. .,. ,. . . . .. ,. Component fatigue.,. ., ., .. ~. g. Optical misalignment. . ; h: Cracking-and rupturing. ,, ,. ,. . ,. 514’:3-1 NRTHOD““514.3 19”July 1983