Acer Dynamic 1722S - Page 27

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Example 2: For cutting pitches 1.75, 3.5, 7.0, please also use the same 14T worm gear and
2&7 division dial. But the dial numbers at which the leadscrew may be engaged is on 2;
number 1 and 2.
Gear
teeth
Pitch
Dial
division
Half nuts
engaged
number
11T 2.75 5.5 2 1
13T 3.25 6.5 2 1
1.75 3.5
2 1.2
7
14T
0.5 0.75
1,2,3
4,5,6
7
1 1.5
7
2 3
4 6
15T
1.25 2.5
3 1,2,3
5
2.25 4.5 5 1,2,3
18T 6.75 2 1,2