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Page Title:
Table I. Examination of roving ball for visual defects . |
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|  MIL-R-60346C
Table I.
Examination of roving ball for visual defects .
AQL
percent
Method
1
Examine
defective
inspection
Defect /
Workmanship:
2
Visual
1.0
Dirt, grease oil or foreign
Outer layer /
matter in quantity sufficient
Of roving ball
to be detrimental to end use.
(see 1.2, 3.4,
Visual
Any knot or fuzz accumulation.
1.0
3.4.1 & 6.2)
Visual
Any splice or group of two or
1.0
more splices not in accordance
with 3.4.1.
3
Difference in color, transpar-
Visual
/
ency or other appearance of
the filaments.
Package (ball) build:
Carpenter's
Roving ball (see
2.5
Not cylindrical within
square &
5/16 inch
3.3, 6.2, and 6.4)
scale
Carpenter's
Not centered on tube,
2.5
square &
where applicable,
scale
within 1/8 inch.
Scale
Diameter or length improper.
2.5
Scale and
Direction and angle of
2.5
visual
winding improper.
Visual
Number of turns per trans-
2.5
verse improper.
Visual
Visual
Tube (see 3.3
2.5
Inside diameter or length
And 6.2)
improper.
Not suitable, color code
Visual
2.5
improper.
1
/The lot shall be evaluated separately in respect to each category or defect.
2
/Unless the external appearance of a ball or supplier's previous history
shows interior of the ball may contain defects, a ball shall not be unwound
merely for examination for visual defects.
3
/The lot shall be rejected if there is a visual difference in color, trans-
parency, or other appearance of the filaments indicating a possible mixing
of different types of glass fibers.
5
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