Smithy Midas 1220 LTD User Manual

Page 77

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Figure 16.7 When cutting a thread on a taper, set the threading tool at (missing text)

Table 16.2 Threading Chart for the MI-1220 LTD

30

15

70 X 40

32 45

32

16

70 X 40

32 48

0.50

1.00

49 X 42

32 56

28

14

70 X 40

32 42

36*

18*

70 X 40

32 54

0.60

1.20

49 X 45

32 50

26

13

70 X 40

32 39

40*

20*

70 X 32

32 48

1.25

45 X 49

48 32

24

12

70 X 40

32 36

48*

24*

70 X 30

36 48

0.70

49 X 42

32 40

22

11

70 X 40

32 33

56*

28*

42 X 50

36 56

0.75

1.50

63 X 42

32 48

20

10

70 X 40

32 30

60*

30*

70 X 30

48 54

0.80

49 X 60

50 32

18

9

70 X 45

27 36

64*

32*

70 X 30

48 60

1.75

49 X 63

48 32

16

8

70 X 45

27 32

80*

40*

70 X 30

48 60

1.00

2.00

63 X 49

32 42

14

7

60 X 60

27 32

96**

48**

39 X 45

60 48

1.25

2.50

60 X 49

32 32

12

6

70 X 60

27 32

120

60

42 X 30

54 48

1.50

3.00

63 X 56

32 32

333

167

30 X 27

60 63

2.00

4.00

70 X 63

30 32

MM

A

A

B

C

D

E

B

C

D

I 0 II I 0 II

A X C

B D

27 X 27

70 60

I 0 II I 0 II

A X C

B D

27 X 27

70 60

I 0 II I 0 II

A X C

B D

49 X 42

32 56

INCH THREADS

INCH THREADS

INCH THREADS

16: Cutting Threads on your MI-1220 LTD

16-6

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Wrong

Right

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