Quality Transmission is the largest North American supplier of off-the-shelf metric gearing. KHK Stock Gears are proudly produced by Kohara Gear Industry of Saitama Japan and stocked in North America by Quality Transmission Components



Specifications
Catalog No. SWG AG
Precision grade KHK W 001 grade 2 KHK W 002 grade 2
Reference section
of gear
Axial Rotating plane
Gear teeth JIS 3 type Standard full depth Standard full depth
Normal pressure angle 20 20
Material S45C (Carbon steel) ABC2 (Aluminum bronz)
(Hub of H4,H5 style is FC200)
Heat treatment Teeth induction hardened -
Surface hardness HRC4853 -
Surface treatment Black oxide except
ground surfaces
-
Surface finish Ground Cut
Datum reference surface
for gear cutting and grinding
Bore Bore

W2
W1
H1

Module 1 Ground Worms

Catalog No. Number of
start
Hand of
thread
Bore Hub dia. Pitch dia. Outside dia. Face width Hub width (R) Hub width (L) Total length Screw Shape Weight
(kgf)
LH7 M N O P Q Q' R Size S
SWG1-R1
[ DXF | DWG | 3D CAD]
SWG1-R2
[ DXF | DWG | 3D CAD]
1

2

R

R

8

8

-

-

16

16

18

18

20

20

-

-

-

-

32

32

M4

M4

5

5

W2

W2

0.05

0.05

Lead Angle R1 335' R2 708'

Module 1 Worm Gears

Catalog No. Reduction
ratio
No. of
teeth
Number of
start
Hand of
thread
Bore Hub dia. Pitch dia. Throat dia. Outside dia. Face width Hub width (R) Hub width (L) Total length Web
thickness
Web O.D. Mounting
distance
Shape Allowable
torque (kgfm)
Allowable
torque (Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
AH7 B C D D' E F F' G H I J Surface
durability
Surface
durability
AG1-20R1
[ DXF|DWG | 3D CAD]
AG1-20R2
[ DXF|DWG | 3D CAD]
AG1-30R1
[ DXF|DWG | 3D CAD]
AG1-30R2
[ DXF|DWG | 3D CAD]
AG1-40R1
[ DXF|DWG | 3D CAD]
1/20

1/10

1/30

1/15

1/40

20

20

30

30

40

1

2

1

2

1

R

R

R

R

R

6

6

6

6

8

16

16

20

20

26

20

20

30

30

40

22

22

32

32

42

23

23

33

33

43

10

10

10

10

10

10

10

10

10

10

-

-

-

-

-

20

20

20

20

20

-

-

-

-

-

-

-

-

-

-

18

18

23

23

28

H1

H1

H1

H1

H1

0.19

0.17

0.41

0.38

0.73

1.83

1.63

4.05

3.72

7.12

0.10.17

0.10.17

0.10.17

0.10.17

0.10.17

0.05

0.05

0.08

0.08

0.15

AG1-20R1

AG1-20R2

AG1-30R1

AG1-30R2

AG1-40R1

AG1-50R1
[ DXF|DWG | 3D CAD]
AG1-60R1
[ DXF|DWG | 3D CAD]
1/50

1/60

50

60

1

1

R

R

8

10

30

35

50

60

52

62

53

63

10

10

10

10

-

-

20

20

-

-

-

-

33

38

H1

H1

1.11

1.57

10.93

15.44

0.10.17

0.10.17

0.23

0.32

AG1-50R1

AG1-60R1

NOTE: Allowable torques shown in the table are the calculated values according to JGMA Standards 405-01 when the worm is rotating at 600 rpm, The table below shows the allowable worm gear torques at selected worm speeds.

 

AG1 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG1-20R1
AG1-20R2
AG1-30R1
AG1-30R2
AG1-40R1
AG1-50R1
AG1-60R1
0.34
0.34
0.72
0.72
1.23
1.87
2.61
0.28
0.27
0.61
0.60
1.04
1.58
2.22
0.23
0.21
0.49
0.47
0.86
1.31
1.84
0.19
0.17
0.41
0.38
0.73
1.11
1.57
0.17
0.15
0.37
0.34
0.65
1.01
1.44
0.15
0.14
0.34
0.31
0.60
0.93
1.32
0.13
0.12
0.30
0.27
0.52
0.81
1.16

Module 1.5 Ground Worms

Catalog No. Number of
start
Hand of
thread
Bore Hub dia. Pitch dia. Outside dia. Face width Hub width (R) Hub width (L) Total length Screw Shape Weight
(kgf)
LH7 M N O P Q Q' R Size S
SWG1.5-R1
[ DXF|DWG | 3D CAD]
SWG1.5-R2
[ DXF|DWG | 3D CAD]
1

2

R

R

10

10

20

20

25

25

28

28

30

30

10

10

-

-

40

40

-

-

-

-

W1

W1

0.09

0.09

Lead Angle R1 326' R2 651'

Module 1.5 Worm Gears

Catalog No. Reduction
ratio
No. of
teeth
Number of
start
Hand of
thread
Bore Hub dia. Pitch dia. Throat dia. Outside dia. Face width Hub width (R) Hub width (L) Total length Web
thickness
Web O.D. Mounting
distance
Shape Allowable
torque (kgfm)
Allowable
torque (Nm)
Backlash
(mm)
Weight
(kgf)
Catalog No.
AH7 B C D D' E F F' G H I J Surface
durability
Surface
durability
AG1.5-20R1
[ DXF|DWG | 3D CAD]
AG1.5-20R2
[ DXF|DWG | 3D CAD]
AG1.5-30R1
[ DXF|DWG | 3D CAD]
AG1.5-30R2
[ DXF|DWG | 3D CAD]
AG1.5-40R1
[ DXF|DWG | 3D CAD]
1/20

1/10

1/30

1/15

1/40

20

20

30

30

40

1

2

1

2

1

R

R

R

R

R

8

8

10

10

12

22

22

30

30

35

30

30

45

45

60

33

33

48

48

63

34.5

34.5

49.5

49.5

64.5

14

14

14

14

14

10

10

10

10

10

-

-

-

-

-

24

24

24

24

24

-

-

-

-

-

-

-

-

-

-

27.5

27.5

35

35

42.5

H1

H1

H1

H1

H1

0.54

0.5

1.19

1.1

2.1

5.3

4.87

11.71

10.76

20.59

0.120.19

0.120.19

0.120.19

0.120.19

0.120.19

0.09

0.09

0.27

0.27

0.43

AG1.5-20R1

AG1.5-20R2

AG1.5-30R1

AG1.5-30R2

AG1.5-40R1

AG1.5-50R1
[ DXF|DWG | 3D CAD]
AG1.5-60R1
[ DXF|DWG | 3D CAD]
1/50

1/60

50

60

1

1

R

R

12

12

45

50

75

90

78

93

79.5

94.5

14

14

10

10

-

-

24

24

-

-

-

-

50

57.5

H1

H1

3.22

4.55

31.6

44.65

0.120.19

0.120.19

0.68

0.95

AG1.5-50R1

AG1.5-60R1

CAUTION: The root area of teeth on worms is very hard due to heat treatment. Extra caution is urged for any secondary operations. This caution applies especially to remachining the bore of style W2 worms.

AG1.5 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG1.5-20R1
AG1.5-20R2
AG1.5-30R1
AG1.5-30R2
AG1.5-40R1
AG1.5-50R1
AG1.5-60R1
1.00
0.99
2.12
2.11
3.63
5.49
7.68
0.83
0.80
1.78
1.75
3.06
4.63
6.51
0.65
0.60
1.42
1.33
2.46
3.76
5.29
0.54
0.50
1.19
1.10
2.10
3.22
4.55
0.48
0.43
1.06
0.97
1.87
2.89
4.12
0.43
0.39
0.96
0.88
1.69
2.63
3.75
0.38
0.33
0.84
0.76
1.49
2.30
3.30

 

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