Harbor Freight Tools 93212 Lathe User Manual


 
Page 23For technical questions, please call 1-800-444-3353.SKU 93212
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:
D
B
A
C
A
B
C
D
D
A
B
C
Motor end view of Lathe with
Gear Drive Cover (53) removed:
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.
Thread Size Gear Settings
Threads
Per Inch
Gear Box Stud
A B C D
12 40 30
13 40 65 60 30
14 40 35
16 40 40
18 40 45
19 40 50 60 57
20 40 50
22 40 55
24 40 60
26 40 65
28 20 35
32 20 40
36 20 45
38 20 50 60 57
40 20 50
44 20 55
48 20 60
52 20 65
A
B
D
A
B
D
Example 1: To cut 12 threads per inch (see
illustration above), use 40T in position A,
30T in position D, and put any other gear
is position B to connect A and D.
A
B
C
D
A
C
B
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.
REV 10b