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Preproduction and periodic production inspection |
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|  MIL-A-23282B(Wep)
4.4 Preproduction and periodic production inspection.
The preproduction and periodic production samples, after
satisfactorily passing the acceptance inspections detailed
in 4.5, shall be subjected to the following tests and
examinations. Certified inspection data covering the
results of preproduction and periodic production inspections
shall be forwarded to the Bureau of Naval Weapons.
4.4.1 Vibration; transportation
The actuator, packaged
4.4.1.1 Level A (multiple pack).
and packed in accordance with Section 5, Level A, shall be
vibrated in accordance with WR-11. Starting at 2 cps grad-
ually increase the frequency until the pack just begins to
leave the table. At this point, vibrate the actuator for a
period of one hour. Thereafter, the packed condition shall
be examined for structural integrity to assure safe delivery
of the actuator.
4.4.1.2 Level C. The actuator, packaged and packed in
accordance with Section 5, Level C, or the contract or the
purchase order, shall be vibrated in accordance with WR-11.
Starting at 2 cps, gradually increase the frequency until
the pack just begins to leave the table. At this point,
vibrate for a period of one hour. Thereafter, the actuator
shall meet the performance requirements of 3.3.
4.4.2 Vibration; ready nonoperating. The actuator, less
pack and packaging, shall be mounted rigidly and secured in
a horizontal position to a vibration device, utilizing the
three mounting holes on actuator assembly (BUWEPS Drawing
694739). The actuator shall be vibrated vertically for a
period of 3 hours at a frequency of 60 cps and a double
amplitude (peak-to-peak) of 0.016 plus or minus 0.002 inch.
At the conclusion of the test the actuator shall meet the
performance requirements and product characteristics of
this specification.
4.4.3 Shock, transportation.
4.4.3.1 Level A (multiple pack). The actuator, packaged
and packed in accordance with Section 5, Level A, shall be
dropped from a free fall height of 30 inches, in accordance
with the requirements of WR-11, onto a nonyielding surface.
Thereafter, the packed condition shall be examined for
structural integrity to assure safe delivery of the
actuator.
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