-32-
Model G9972Z (Mfd. Since 03/20)
Note:
As long as this dead center remains in
the chuck, the point of the center will remain
true to the spindle centerline. The point will
have to be refinished whenever the center is
removed and then returned to the chuck.
4. Install a center in the tailstock.
5. Attach a lathe dog to the test stock from Step
2, then mount it between the centers (see
Figure 32 for an example).
Figure 32. Example photo of stock mounted
between the centers.
6. Turn 0.010" off the stock diameter.
7. Mount a test or dial indicator so that the
plunger is on the tailstock quill.
Note:
If necessary in the following step,
refer to
Offsetting Tailstock on Page 30 for
detailed instructions.
8. Use calipers to measure both ends of the
workpiece.
— If the test stock is thicker at the tailstock
end, move the tailstock toward the front of
the lathe
1
⁄
2
the distance of the amount of
taper (see
Figure 33).
Move the tailstock toward
the front of the machine half
the distance of the taper
Looking down from above
Figure 33. Adjust tailstock toward the operator.
9. Repeat Steps 6–8 until the desired accuracy
is achieved.
— If the test stock is thinner at the tailstock
end, move the tailstock toward the back of
the lathe
1
⁄
2
the distance of the amount of
taper (see
Figure 34).
Move tailstock toward the
back of the machine half
the distance of the taper
Looking down from above
Figure 34. Adjust tailstock away from the
operator.
Содержание G9972Z
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