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Aligning Cutting Tool with Spindle
Centerline
For most operations, the cutting tool tip should be
aligned with the spindle centerline, as illustrated
in figure 29.
Cutting
Tool
figure 29. Cutting tool aligned with spindle
centerline (viewed from tailstock).
there are a number of ways to check and align
the cutting tool to the spindle centerline. if nec-
essary, you can raise the cutting tool by placing
steel shims underneath it. the shims should be
as long and as wide as the cutting tool to properly
support it.
below are two common methods:
•
Move the tailstock center over the cross slide
and use a fine ruler to measure the distance
from the surface of the cross slide to the tip
of the center. adjust the cutting tool height so
it is the same distance above the cross slide
as the tailstock center.
•
align the tip of the cutting tool with a tailstock
center, as instructed in the following proce-
dure.
Model G0745 (Mfg. Since 11/13)
Tools Needed
hex Wrench 5mm .............................................. 1
steel shims ....................................... as Needed
Cutting tool ....................................................... 1
tailstock Center ................................................. 1
To align the cutting tool with the tailstock
center:
Spindle
Center
1.
Mount the cutting tool in the tool post, then
Line
secure the post so the tool faces the tailstock.
2.
install a center in the tailstock, and position
the center tip near the cutting tool tip.
3.
lock the tailstock and quill in place.
4.
adjust the height of the cutting tool so that the
tool tip is aligned vertically with the center tip,
as illustrated below.
figure 30. Cutting tool aligned to the tailstock
(Top View)
Cutting
Tool
Cutting
Tailstock
Tool
(Side View)
center.
Qty
Tailstock
Center
Center
-27-
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