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M1109 Combo Lathe/Mill
OPERATIONS
Using the Tailstock
The tailstock (Figure 23) can be used to support
workpieces with the use of a live or dead center. Using
an MT#3 drill chuck and a drill bit, the lathe can drill or
bore holes in the center of a part. The tailstock can also
be offset for cutting shallow tapers.
To use the tailstock, do these steps
:
1. Slide the tailstock to the desired position.
2. Pull up on the tailstock lock lever to lock the
tailstock in place on the ways.
3. With the tailstock locked, push down the quill lock
lever to unlock.
4. Turn the quill feed handle clockwise to feed/move
the quill towards the spindle, or counterclockwise to
move away from the spindle.
5. Turn the quill lock lever to lock the quill in place.
Figure 23. Tailstock and quill lock handles
in locked position.
Tailstock Lock Lever
Drilling with the Tailstock
Quill Lock Lever
Quill Feed
Figure 24. Setting up tailstock for drilling.
To install t
he MT#3 drill chuck, do these steps:
1. With the tailstock locked, unlock the quill lock lever.
2. Turn the quill feed handle clockwise to extend the
quill about one inch.
3. Insert the MT#3 chuck (Figure 24) or an MT#3
tapered drill shank into the quill until the taper is
firmly seated.
4. Turn the quill feed handle clockwise to feed the drill
bit into a rotating workpiece.
5. To remove the chuck taper, turn the quill feed han-
dle counterclockwise until the chuck is pushed out of
the tailstock taper.
Offset
Scale
Offset
Adjustment