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Ab c d, Threading gears, Thread size gear settings – Harbor Freight Tools 93212 User Manual

Page 23

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Page 23

For 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