CLAUSING 5910 Series - Tool Post Slide Positioning

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6. Move variable speed control dial to spindle speed
desired.
7. Engage carriage controls - - longitudinal power
feed lever for feeds, half-nuts for threading.
8. With tool in position, make a "trial run" without
touching work to make sure the setup is right.
NOTE: When threading, be sure threading dial is
engaged with lead screw. Set clutch kickout to avoid
interfering with threading cut.
FOR CLUTCH and BRAKE MODELS - - be sure clutch
is disengaged (handle in down position) before start-
ing motor.
TOOL POST
Figure l 0
The tool post holds the tool rigidly in position for
cutting operations refer to !igure 10.
Figure 11
Tool bit holders permit the use of small, inexpensive
and replaceable tool bits - - refer to figure 11.
In order to avoid undesirable overhang, tool bits
should be clamped so the cutting end of the tool
bit is as close to the holder as the work will permit,
and, the tool holder should be as far back in the
tool post as possible.
The cutting edge of the tool should be placed on
lathe center line.
PROPER POSITION OF TOOL POST SLIDE
For maximum tool support , the front edge of the
tool post slide should be positioned flush with the
front end of the upper swivel.
· Figure 12
RIGHT - - Tool post slide is flush with front end
of the upper swivel, therefore provides maximum tool
support -- refer to figure 12.
Figure 13
_ ,. WRONG - - Unnecessary overhang of tool post slide
will result in tool chatter, and could caus e the tool
post slide to break - - refer to figure 13.
10
Figure 14
WRONG • • Tool pose slide is too far back - - tool
overhang is excessive - - refer to figure 14.
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5910
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