Spindle Turning - Grizzly H8259 Owner's Manual

Spindle Turning

Spindle turning (Figure 23) is the operation per-
formed when a workpiece is mounted between
the headstock and the tailstock.
Figure 23. Typical spindle turning operation.
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 24
for details.
���������
���������
������
Figure 24. Workpiece marked diagonally from
corner to corner to determine the center.
H8259 10" x 18" Benchtop Lathe
������������
�����������������
��������������
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 ⁄ " drill bit, drill a
1
8
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
", as shown in Figure 25.
least ⁄
1
4
����
Figure 25. Spur center properly embedded.
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
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.
⁄ " deep hole at the
3
16
⁄ ".
1
4
-19-