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G0657/G0658 Benchtop Lathe
-25-
Spindle turning (Figure 34) is the operation per-
formed when a workpiece is mounted between
the headstock and the tailstock.
Spindle Turning
Figure 35. Workpiece marked diagonally from
corner to corner to determine the center.
Figure 34.
Typical spindle turning oper
ation.
To set up a spindle turning operation:
1. Mark both ends of your workpiece by draw-
ing diagonal lines from corner to corner. The
intersection point of these lines will show you
the center of your workpiece. See
Figure 35
for details.
Figure 36. Spur center properly embedded.
2. Using a wood mallet, tap the point of the spur
center into the center of the workpiece, so
that it leaves a center mark, then remove the
spur center.
3. Using a
1
⁄8" drill bit, drill a
3
⁄16" deep hole at the
center mark.
4. Cut the corners off your workpiece if it is over
2" x 2" to make turning safer and easier.
5. Drive the spur center into the center of the
workpiece with a wood mallet to embed it at
least
1
⁄4", as shown in Figure 36.
6. With the workpiece still attached, insert the
spur center into the headstock spindle.
7. With the live center installed in the tailstock,
slide the tailstock toward the workpiece until
the live center touches the workpiece center
-
point, then lock the tailstock in this position.
8. Use the quill handwheel to push the live cen-
ter into the workpiece at least
1
⁄4".
Do not press the workpiece too firmly with
the tailstock or the bearings will bind and
overheat. Likewise, do not leave it too loose
or the workpiece will spin off the lathe. Use
good judgement. Serious personal injury
could result if care is not taken.