MIL-L-23249D
turned diameters shall conform to the accuracy of table III Upon
completion of the test, the test specimen shall be prepared for turning
between centers. A single cut shall be taken over the two collars and the
turned diameters shall conform to the accuracy of the cylindrical turning
test in table 111.
4.6.3.3 Horsepower test. Each machine shall be subjected to a test which
applies not less than the full rated input power to the spindle motor for
not less than one minute. Spindle speed shall be chosen by the supplier at
the lowest practicable for this test without applying torque in excess of
the design maximum value to any machine components. Material and dimensions
of the workpiece, tooling, depth of cut, and feed rate shall be at the
option of the supplier, to provide the required loading. There shall be no
apparent evidence of chatter, stalling, or permanent distortion during or
after the test.
4.6.4 Electromagnetic interference control tests. Equipment requiring
electromagnetic Interference control shall be tested for compliance with
3.11.
4.7 Packaging inspection. Packaging shall be inspected to determine
compliance with the requirements of section 5.
5.
PACKAGING
5.1 Packaging, packing and marking. Unless otherwise specified,
packaging, packing, and marking shall be in accordance with ASTM-D-3951.
When specified (see 6.2.1), level A packaging, level A or level B packing
and special marking shall be accomplished in accordance with MIL-M-18058.
6.
NOTES
6.1 Intended use. The lathes covered by this specification are intended
for use in any machine shop for production or toolroom use where the nature
of the work does not require the capabilities of a heavy duty lathe. The
lathes are suitable for turning, boring, facing, threading, and taper
turning using high speed steel or carbide tooling.
6.2 Ordering data.
Acquisition documents should specify the
6.2.1 Acquisition requirements.
following:
a. Title, number, and date of this specification.
b.
Type, class and size required, etc. (see 1.2).
c.
When first article is required for inspection and approval
(see 3.1)0
d.
If machine is required to be configured in a specific measure-
ment system (US or SI), state required systems (see 3.2.1).
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