Grizzly G0773 Owner's Manual page 45

12 inch x 27 inch combo lathe/mill
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How to Read the Feed Chart
Figure 54 identifies the fifteen available feed
rates each for longitudinal and transverse carriage
movement.
Figure 54. G0773 feed rate chart.
Figure 55 indicates that for a longitudinal feed
rate of 0.0016 in/rev., the G position gear must be
30T, the numeric feed dial set to 1, and the alpha
feed dial set to A (see Figure 56).
Longitudinal
Feed Icon
30T Gear in
G Position
Numeric Feed
Dial Set to 1
Feed Rate
.0016 in/rev.
Alpha Feed
Dial Set to A
Figure 55. Reading feed chart.
Numeric
Alpha
Feed Dial
Feed
Dial
Figure 56. Feed dial and gear settings for
0.0016 in/rev.
Model G0773 (Mfd. Since 4/17)
How to Read the Thread Charts
Figure 57 identifies the charts to use when set-
ting carriage feed movement for metric or inch
threading.
Figure 58 shows the threads per inch (TPI) on the
applicable chart.
Per Inch
Figure 58. Numbers in dotted line indicate the
Figure 59 identifies the end gears on the upper,
middle, and lower shafts. The gears are repre-
sented by letters.
Upper Shaft Gears
G Position
Gear 30T
Middle Shaft Gears
Lower Shaft Gears
Indicates Threads
Per Inch (TPI)
Indicates Metric
Thread Pitch
Figure 57. Headings indicate inch or metric
threads.
Threads
(TPI)
TPI or threads per inch.
Figure 59. Identification of gears on shafts.
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