Understanding Gear Charts; Feed & Thread Charts Label - Grizzly G0768Z Manual

0.0037" 0.0068"
A B
84 30 72
Thread Charts—Display headstock end gear
C D 20 80 33 80
positions used for cutting various metric or inch
threads (see Figure 61).
E F
80 80
0.40 0.50 0.60 0.70 0.80 1.00
A B
55 60 70
C D
80 30 70 33 53 30 60 40 40
E F
80 80
1.25 1.50 1.75 2.00 2.50 3.00
A B
53 57 80
C D
71 63 7163 20
E F
60 50 80
9 10 11 12 13 14 16 18
A B 53 57 55 57 72
C D
80 80 72 80 72 70 40
E F 30 30 33 40
19 20 22 24 32 40 44
A B 53 53 60 53 72
C D 80 63 80 60 7153 55
E F 50 50 55 80
Figure 61. Threading charts.
Model G0768/G0769 (Mfd. Since 8/15)
40
A
C
30
B
E
D
F
Metric
mm
Thread Chart
57 72 80
30 40 33
80 80 80 70
63 63 70
33 3060 40 71 40 71
84 60 50
Inch Thread
n/1"
Chart
63 72 57
60 40 60 40 60 63
65 70 80 60
63 70
4030 55 33 55 30
80 80 80
How to Read the Feed Chart
Figure 62 identifies the three available feed rates
and the feed icon at the top of the feed rate chart.
Feed Rates
0.0037" 0.0068"
A B
84 30 72
C D
20 80 33 80
E F
80 80
Figure 62. Chart displays the three feed rates.
Figure 63 identifies the end gears on the upper,
middle, and lower shafts, and the 40-tooth (40T)
spindle gear. The gears are represented by letters
in the columns and the diagram.
Upper
Shaft
Gears
Columns
0.0037" 0.0068"
A B
84 30 72
C D 20 80 33 80
E F
80 80
Lower Shaft Gears
Middle Shaft Gears
Figure 63. Identification of upper, middle and
lower shaft gears.
Feed Rate
in/
Icon
40
A
C
30
B
E
D
F
Spindle
Gear
in/
40
A
C
30
B
E
D
F
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