MIL-L-23400E
3.7.3 Drive plate. The drive plate shall be the maximum allowable dia-
meter, not to exceed the nominal swing over the bed.
The drive plate shall
be for mounting on the spindle nose and shall have at least one radial slot
for driving a lathe dog.
3.7.4 Taper attachment, The taper attachment shall mount on the rear of
It shall be graduated for settings in both degrees and inches
the carriage.
Means for maintaining adjustment shall be provided. The
of taper per foot.
attachment
shall turn either right or left hand tapers .
The taper
attachment shall not interfere with the normal operation of the lathe.
3.7.5 Thread-chasing dial. An inch/metric thread-chasing dial shall be
furnished which will allow disengaging of the half-nuts and re-engaging
during threading for both inch and metric lead threads.
The thread chasing
dial shall be mounted on the carriage apron and be driven by the leadscrew.
3.7.6
Micrometer carriage stop.
The micrometer carriage stop shall be
mounted on the front bed to provide an adjustable stop.
The micrometer dial
shall be graduated in increments of 0.001 inch or less with at least 0.750
inch of adjustment.
3.7.7 Work light. Unless otherwise specified (see 6.2.1), a work light
shall be provided.
The work light shall be a complete unit with all
necessary equipment for mounting on the carriage and shall be adjustable to
provide maximum lighting of the work area.
The lamp shall be shielded
against dirt and chips. The lamp shall operate on not more than 130 volts.
3.7.8
Wrenches.
All special tools and wrenches required for operating
the lathe and accessories that are normally supplied with the lathe shall be
provided.
Optional equipment .
Optional equipment
3.8
shall be
furnished as
specified and as fully described (see 6.2.1).
Performance features, attachments or
3.9
Additional requirements .
accessories required in addition to, or in lieu of those specified herein,
shall be as required by the procuring activity (see 6.2.1).
3.10 Marking on plates. All words on plates shall be in the English
Characters shall be engraved, etched, embossed, or stamped in
language.
boldface on a contrasting background.
3.10.1 Lubrication plate. Unless otherwise specified (see 6.2.1), a
corrosion-resistant lubrication plate shall be permanently and securely
The plate shall contain the following informa-
attached to each machine.
t ion:
Points of lubricant application
Servicing interval for each point
Type of lubricant required for each point
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