-37-
Model M1112 (For Machines Mfd. Since 12/20)
O
PE
R
ATIO
NS
Cutting Shallow Tapers
with Tailstock
The tailstock can be offset to cut a shallow taper on a
shaft or barrel.
To set up the tailstock to cut tapers, do these steps:
1.
Lock the tailstock in position.
2.
Alternately loosen and tighten the left and right
offset adjustment screws until the desired offset is
indicated on the scale (
Figure
53).
3.
Retighten the lock screw.
Note:
To return the tailstock back to the original
position, repeat the process until the centered
position is indicated on the scale.
Figure
53
.
Right offset adjustment.
Offset
Adjustment
Scale
Drilling with Tailstock
To install a tapered 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, and insert a tapered drill arbor
or a tapered drill shank into the quill until the taper
is firmly seated.
3.
Advance the tailstock to the workpiece, lock the
tailstock position, and use the handwheel to feed
the drill bit into the rotating workpiece.
4.
To remove the chuck arbor or drill bit, turn the quill
feed handwheel until the chuck is pushed out from
the tailstock.