MIL-M-46861B (MI)
TABLE V. Sample plan for quality conformance.
Lot Size |
Sample Size |
2 - 15 16 - 25 26 - 90 91 - 150 151 - 280 281 - 500 501 - 1200 1201 - 3200 3201 - 10,000 10,001 - 35,000 35,001 - 150,000 |
2 3 5 8 13 20 32 50 80 125 200 |
In all cases: Acceptance number is ZERO Rejection number is ONE |
|
4.5.2 Lot formation. A lot shall consist of all the material manufactured in one continuous operation by the same process by the same manufacturer in accordance
with this specification and submitted for inspection at one time.
4.6 Inspection equipment. The inspection equipment for conducting examination and tests shall be as specified in the applicable test methods paragraphs (see 4.8) to verify conformance with requirements in section 3.
4.7 Test specimen preparation. Unless otherwise specified herein, specimens shall be prepared as follows to verify conformance with requirements in section 3.
a. A 12 x 12 inch flat panel shall be molded from the material as follows:
1. Four plies, 12 x 12 inches, shall be cut form the sample.
2. The panel shall be layed up so that the unidirectional rovings in the first three plies are parallel and in the fourth ply (outside) at 90°.
b. The panel shall be cured by placing the lay-up in a 12 inch mold preheated from 65 to 74°C, and applying sufficient pressure to close the mold to stops which will control the panel thickness to 0.117 ± 0.005 inch. The panel shall be cured for 25 + 5 or
- 0.0 minutes.
c. The cured panel shall be removed from the mold and allowed to cool to ambient room temperature.
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