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Page Title:
Table XX. Ground Equipment Vibration Test - Procedure I |
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|  MIL-F- 14252(
)
AR
clamped on the vibration table in Its normal mounting or opera-
ting position The equipment shall. be vibrated successively ,
along each of the three mutually perpendicular directions
that are respectively parallel to the edges of the equipment
with an amplitude, durations and frequency which "varies cOn-
tinuously between the limits shown) conforming to the speci-
fied condition of Table XX. The rate of change of applied
frequency shall not exceed one cycle per second per second.
At the
The equipment shall not "be operated during the test.
conclusion Of the test the equipment shall be operated and the
results shall conform to those of 4.2.2.
Shock
Isolators
A
B
4.3.10.2 Procedure II.- This procedure Is intended for equipment
item weighing over 150 pounds; The equipment shall be clamp-
ed on the vibration table in its normal mounting or operating
position. The equipment shall be vibrated successively along
respectively parallel to the edges of the equipment with an
acceleration, duration, and frequency (which varies continuous-
ly between the limits shown) conforming to the specified condi-
tion of Table XXI. As the Conclusion- of the test the equipment
shall be operated and the results compared to those of 4.2.2.
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