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MIL I 6868E (修正3) 检查过程中的磁粉 (1980年6月6日) [由MIL STD 1949规定]

ID：52346

大小：0.04 MB

页数：1页

时间：2023-03-23

金币：20

上传者：战必胜
MIL-I-6868E
AMENDNENT3
6 June 1980
SUPERSEDING
nw. AIW4DNENT 2 {uSAF)
12
December 1978
MILITARY SPECIFICATION
“INSPECTION PROCESS, MAGNETICPARTICLE
This
amendment forms a part of Military Specification
MIL-I-6868E dated 8 March 1976, and is-
use by all Departments and Agencies of
of Defense.
PAGE 5 ,
approved for
the Department
Paragraph 4.4.2,
in the Iant line of the paragraph, delete the words
“15 inches from”.
PAGE 6
Table I.
Add “DC” before the word “Amperage”.
PAGE 7
Paragraph 5.i.l.
Move this paragraph to page 6 and
insert between
paragraphs 5.1 and 5.2.
Paragraph 5.2.2.2.
Delete “7.2.1.1”
and substitute “7.2.1”.
PAGE 9
Paragraph 6.3.3.
Delete and substitute:
“6.3.3 Magnetizing currents applied as “head shots”
shall be a minimum of
1000 amperes per inch of outside
diameter
or per diagonal inch of the cross section
perpendicular to the direction of current flow,
Magnetizing currents through a central conductor shall
be based on outside diameter measurement. If current
requirements exceed the capacity of the equipment,
reduce current, rotate and inspect through successive
segments of full circle as defined in 6.3.1.”
FSC NDTI
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