Spindle Speed - Grizzly G0791 Owner's Manual

Combination gunsmithing lathe/mill
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Spindle Speed

Determining Spindle Speed
Figure 65. Spindle speed formula for lathes.
Model G0791 (Mfd. Since 9/15)
Setting Spindle Speed
The alpha and numeric spindle speed levers,
shown in Figure 66, are used to select one of the
nine spindle speeds.
Alpha
Lever
Figure 66. Spindle speed levers.
The spindle speed levers control the gear configu-
ration in the headstock to produce the selected
spindle speed.
To avoid damaging gears, ALWAYS make
sure the spindle is completely stopped
BEFORE moving the spindle speed levers.
The chart below shows the various combinations
of lever positions for achieving a desired speed.
Spindle Speed RPM
I
A
270
B
70
C
200
Figure 67. Spindle speed chart.
Numeric
Lever
II
III
1400
800
360
220
1000
600
-51-

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