Threading Gears; Thread Size Gear Settings - Central Machinery 93212 Set Up And Operating Instructions Manual

Bevel cutting
Figure 30
4. After adjusting the angle of the
compound rest, you can make bevel
cuts.

threading gears

By changing the gear set-up it is possible
to cut any thread size. The factory set-up for
Mini Lathe gears is as follows:
Motor end view of Lathe with
Gear Drive Cover (53) removed:
a
B
c
Positions A and C= 20T
Positions B & D= 80T
To change the thread size, use the gear
box settings shown on the table that
follows.
reV 10b
SKU 93212
A
d
B
C
D
For technical questions, please call 1-800-444-3353.

thread size gear settings

threads
Per inch
12
13
14
16
18
19
20
22
24
26
28
32
36
38
40
44
48
52
A
example 1: To cut 12 threads per inch (see
illustration above), use 40T in position A,
B C
30T in position D, and put any other gear
is position B to connect A and D.
D
example 2: To cut 38 threads per inch (see
illustration above), use 20T in position A,
57T in position D, 50T in position B, and
60T in position C.
gear Box stud
a B
40
40 65
40
40
40
40 50
40
40
40
40
20
20
20
20 50
20
20
20
20
A
A
B
B
D
D
A
A
B
B
C
C
D
D
c d
30
60 30
35
40
45
60 57
50
55
60
65
35
40
45
60 57
50
55
60
65
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