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



W3
H1
H4
H5

Module 2 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
SWG2-R1
[ DXF | DWG | 3D CAD]
SWG2-R2
[ DXF | DWG | 3D CAD]		 1

2

 R

R

 12

12

 25

25

 31

31

 35

35

 32

32

 15

15

 3

3

 50

50

 -

-

 -

-

 W3

W3

 0.2

0.2

Lead Angle R1 341' R2 721'

Module 2 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
AG2-20R1
[ DXF|DWG | 3D CAD]
AG2-20R2
[ DXF|DWG | 3D CAD]
AG2-30R1
[ DXF|DWG | 3D CAD]
AG2-30R2
[ DXF|DWG | 3D CAD]
AG2-40R1
[ 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

 12

12

12

12

12

 33

33

40

40

45

 40

40

60

60

80

 44

44

64

64

84

 46

46

66

66

86

 18

18

18

18

18

 15

15

15

15

15

 -

-

-

-

-

 33

33

33

33

33

 -

-

-

-

-

 -

-

-

-

-

 35.5

35.5

45.5

45.5

55.5

 H1

H1

H4

H4

H4

 1.14

1.05

2.53

2.32

4.45

 11.22

10.31

24.8

22.79

43.61

 0.140.21

0.140.21

0.140.21

0.140.21

0.140.21

 0.29

0.29

0.55

0.55

0.85

 AG2-20R1

AG2-20R2

AG2-30R1

AG2-30R2

AG2-40R1

AG2-50R1
[ DXF|DWG | 3D CAD]
AG2-60R1
[ DXF|DWG | 3D CAD]		 1/50

1/60

 50

60

 1

1

 R

R

 12

12

 50

55

 100

120

 104

124

 106

126

 18

18

 15

15

 -

-

 33

33

 8

11

 83

100

 65.5

75.5

 H5

H5

 6.83

9.64

 66.94

94.58

 0.140.21

0.140.21

 0.95

1.5

 AG2-50R1

AG2-60R1

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.

AG2 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG2-20R1
AG2-20R2
AG2-30R1
AG2-30R2
AG2-40R1
AG2-50R1
AG2-60R1
2.14
2.11
4.52
4.49
7.73
11.68
16.34
1.78
1.71
3.81
3.72
6.52
9.87
13.87
1.39
1.28
3.01
2.84
5.24
8.00
11.26
1.14
1.05
2.53
2.32
4.45
6.83
9.64
1.00
0.91
2.23
2.05
3.92
6.07
8.66
0.94
0.82
2.01
1.84
3.56
5.53
7.87
0.79
0.70
1.78
1.60
3.13
4.85
6.94

Module 2.5 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
SWG2.5-R1
[ DXF|DWG | 3D CAD]
SWG2.5-R2
[ DXF|DWG | 3D CAD]		 1

2

 R

R

 15

15

 30

30

 37

37

 42

42

 45

45

 17

17

 3

3

 65

65

 -

-

 -

-

 W3

W3

 0.4

0.4

Lead Angle R1 352' R2 742'

Module 2.5 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
AG2.5-20R1
[ DXF|DWG | 3D CAD]
AG2.5-20R2
[ DXF|DWG | 3D CAD]
AG2.5-30R1
[ DXF|DWG | 3D CAD]
AG2.5-30R2
[ DXF|DWG | 3D CAD]
AG2.5-40R1
[ 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

 12

12

12

12

15

 35

35

40

40

45

 50

50

75

75

100

 55

55

80

80

105

 57.5

57.5

82.5

82.5

107.5

 20

20

20

20

20

 14

14

14

14

14

 -

-

-

-

-

 34

34

34

34

34

 -

-

-

-

11

 -

-

-

-

81

 43.5

43.5

56

56

68.5

 H1

H1

H4

H4

H5

 1.87

1.72

4.13

3.79

7.26

 18.31

16.82

40.46

37.17

71.15

 0.170.24

0.170.24

0.170.24

0.170.24

0.170.24

 0.4

0.4

0.8

0.8

1.4

 AG2.5-20R1

AG2.5-20R2

AG2.5-30R1

AG2.5-30R2

AG2.5-40R1

AG2.5-50R1
[ DXF|DWG | 3D CAD]
AG2.5-60R1
[ DXF|DWG | 3D CAD]		 1/50

1/60

 50

60

 1

1

 R

R

 15

15

 55

60

 125

150

 130

155

 132.5

157.5

 20

20

 14

14

 -

-

 34

34

 12

12

 106

130

 81

93.5

 H5

H5

 11.14

15.74

 109.22

154.32

 0.170.24

0.170.24

 2.1

2.3

 AG2.5-50R1

AG2.5-60R1

CAUTION: Before assembling or performing any secondary operations, please carefully read the "Application Hints" at the beginning of this section.

AG2.5 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG2.5-20R1
AG2.5-20R2
AG2.5-30R1
AG2.5-30R2
AG2.5-40R1
AG2.5-50R1
AG2.5-60R1
3.53
3.49
7.46
7.42
12.77
19.30
27.01
2.91
2.80
6.22
6.08
10.66
16.13
22.68
2.27
2.10
4.92
4.64
8.56
13.07
18.39
1.87
1.72
4.13
3.79
7.26
11.14
15.74
1.63
1.48
3.62
3.33
6.37
9.86
14.07
1.49
1.34
3.29
3.00
5.81
9.02
12.84
1.27
1.13
2.87
2.58
5.04
7.82
11.19

 

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