M1109 Combo Lathe/Mill
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.
Quill Feed | Quill Lock Lever |
Tailstock Lock Lever | |
| Offset |
| Adjustment |
Offset |
|
Scale |
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Figure 23. Tailstock and quill lock handles
in locked position.
Drilling with the Tailstock
To install the 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- |
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Figure 24. Setting up tailstock for drilling. | ||
dle counterclockwise until the chuck is pushed out of | ||
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the tailstock taper. |
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OPERATIONS
