Bolton Tools AT400 Manuel du propriétaire - Page 8

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List 3. Gear Pairs Showed In Fig.1, Worm Gear Pairs And Lead
Screw Pairs
№. In
Description
Fig.1
5
Gear
6
Gear
7
Gear
9
Gear
12
Gear shaft
Elevator lead
14
screw pair
15
Taper gear
17
Taper gear shaft
19
Worm gear
22
Gear shaft
23
Worm
Tool post lead
26
screw pair
Tail stock lead
29
screw pair
31
Gear
Duplicate Z1
32
gear
Z2
33
Gear
34
Gear shaft
35
Gear shaft
37
Large gear
Cross lead screw
39
pair
Longitudinal lead
40
screw pair
2
4
Change gears
30
Note: In above list 3, items marked with "*" are specifications of lead
screws.
Quantity of
Module
Teeth
1.5
20
1.5
26
1.5
39
1.5
48
2
12
T20*
1.5
46
1.5
30
2
21
2
18
2
M10*
M12*
1.5
70
1.5
52
1.5
39
1.5
60
2
14
1.5
20
1.6
60
T16*
T24*
20, 20, 22, 24, 25, 26, 27, 27, 28, 30, 34, 35, 35, 38, 40, 50
Pressure
Spiral Angle
Angle
20°
20°
20°
20°
20°
20°
0°
20°
0°
20°
7°7'30"
20°
20°
7°7'30"
20°
20°
20°
20°
20°
20°
20°
Number
Rotation
of Starts
Direction
Right
Right
Right
1
Left
1
Left
1
Right
1
Left
Thread
Pitch
4
1.5
2
2
3
7