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. KWG AGF
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 SCM440 (Alloy steel) ABC2 (Aluminum bronz)
(Hub of H8,H9 style is FC200)
Heat treatment Teeth induction hardened
after normalizing		 -
Surface hardness HRC5055 -
Surface treatment Black oxide except
ground surfaces 		-
Surface finish Ground Cut
Datum reference surface
for gear cutting and grinding		 Shaft (ground portion) Bore

W6
H6 H0
H9

Module 5 Ground Worm Shafts

Catalog No. Number of
start		 Hand of
thread		 Total length Shaft length (L) Neck length (L) Face width Neck length (R) Shaft length (R) Pitch dia. Outside dia. Neck length Shaft dia. Shape Weight
(kgf)
J K L M N O P Q R S
KWG5-R1
[ DXF | DWG | 3D CAD]
KWG5-R2discon
[ DXF | DWG | 3D CAD]		 1

2

 R

R

 400

400

 75

75

 30

30

 90

90

 30

30

 175

175

 50

50

 60

60

 36

36

 50

50

 W6

W6

 7.8

7.8

Lead Angle R1 543' R2 1119'

Module 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
AGF5-20R1
[ DXF|DWG | 3D CAD]
AGF5-20R2discon
[ DXF|DWG | 3D CAD]
AGF5-25R1
[ DXF|DWG | 3D CAD]
AGF5-30R1
[ DXF|DWG | 3D CAD]
AGF5-30R2discon
[ DXF|DWG | 3D CAD]		 1/20

1/10

1/25

1/30

1/15

 20

20

25

30

30

 1

2

1

1

2

 R

R

R

R

R

 22

22

22

22

22

 75

75

75

75

75

 100

100

125

150

150

 110

110

135

160

160

 115

115

140

165

165

 35

35

35

35

35

 23

23

23

23

23

 12

12

12

12

12

 70

70

70

70

70

 -

-

-

25

25

 -

-

-

115

115

 75

75

87.5

100

100

 H6

H6

H6

H9

H9

 11.05

10.58

17.15

24.41

23.38

 108.3

103.8

168.2

239.4

229.3

 0.250.32

0.250.32

0.250.32

0.250.32

0.250.32

 3.3

3.3

4.4

5.4

5.4

 AGF5-20R1

AGF5-20R2

AGF5-25R1

AGF5-30R1

AGF5-30R2

AGF5-36R1
[ DXF|DWG | 3D CAD]
AGF5-40R1
[ DXF|DWG | 3D CAD]
AGF5-48R1
[ DXF|DWG | 3D CAD]
AGF5-50R1
[ DXF|DWG | 3D CAD]
AGF5-60R1
[ DXF|DWG | 3D CAD]		 1/36

1/40

1/48

1/50

1/60

 36

40

48

50

60

 1

1

1

1

1

 R

R

R

R

R

 22

22

140

150

200

 90

110

-

-

-

 180

200

240

250

300

 190

210

250

260

310

 195

215

255

265

315

 35

35

35

35

35

 23

23

17.5

17.5

17.5

 12

12

7.5

7.5

7.5

 70

70

35

35

35

 25

26

10

10

10

 140

162

195

205

255

 115

125

145

150

175

 H9

H9

H0

H0

H0

 34.97

42.93

60.96

65.9

93.11

 343

421

597.8

646.2

913.1

 0.250.32

0.250.32

0.250.32

0.250.32

0.250.32

 7.7

10

5.1

5.3

6.5

 AGF5-36R1

AGF5-40R1

AGF5-48R1

AGF5-50R1

AGF5-60R1

CAUTION: Before assembling or performing any secondary operations, please carefully read the "Application Hints" at the beginning of this section.
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.
NOTE: The shaft O.D., S, has the tolerance +0.2/+0.1 except where ground +0.40/+0.35.

AGF5 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AGF5-20R1
AGF5-20R2
AGF5-25R1
AGF5-30R1
AGF5-30R2
AGF5-36R1
AGF5-40R1
AGF5-48R1
AGF5-50R1
AGF5-60R1
21.51
22.15
32.51
45.47
47.11
63.96
77.81
109.1
117.6
164.5
17.58
17.62
26.62
37.60
38.33
52.93
64.43
90.83
97.47
137.0
13.69
13.18
21.01
29.68
29.14
42.21
51.63
72.93
78.76
110.9
11.05
10.58
17.15
24.41
23.38
34.97
42.93
60.96
65.90
93.11
9.69
9.16
15.02
21.51
20.60
30.84
37.86
54.02
58.55
83.58
8.79
8.24
13.65
19.43
18.47
27.94
34.35
49.25
53.34
75.91
7.42
6.86
11.60
16.67
15.63
23.90
29.35
41.93
45.49
65.14

Module 6 Ground Worm Shafts

Catalog No. Number of
start		 Hand of
thread		 Total length Shaft length (L) Neck length (L) Face width Neck length (R) Shaft length (R) Pitch dia. Outside dia. Neck length Shaft dia. Shape Weight
(kgf)
J K L M N O P Q R S
KWG6-R1
[ DXF|DWG | 3D CAD]
KWG6-R2discon
[ DXF|DWG | 3D CAD]		 1

2

 R

R

 400

400

 60

60

 40

40

 100

100

 40

40

 160

160

 60

60

 72

72

 44

44

 60

60

 W6

W6

 8.2

8.2

Lead Angle R1 543' R2 1119'

Module 6 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
AGF6-20R1
[ DXF|DWG | 3D CAD]
AGF6-20R2discon
[ DXF|DWG | 3D CAD]
AGF6-25R1
[ DXF|DWG | 3D CAD]
AGF6-30R1
[ DXF|DWG | 3D CAD]
AGF6-30R2discon
[ DXF|DWG | 3D CAD]		 1/20

1/10

1/25

1/30

1/15

 20

20

25

30

30

 1

2

1

1

2

 R

R

R

R

R

 25

25

25

25

25

 85

85

90

100

100

 120

120

150

180

180

 132

132

162

192

192

 138

138

168

198

198

 40

40

40

40

40

 23

23

23

23

23

 12

12

12

12

12

 75

75

75

75

75

 -

-

-

30

30

 -

-

-

135

135

 90

90

105

120

120

 H6

H6

H6

H9

H9

 17

16.27

26.39

37.57

35.96

 166.7

159.6

258.8

368.4

352.6

 0.270.34

0.270.34

0.270.34

0.270.34

0.270.34

 4.5

4.5

7.2

9.1

9.1

 AGF6-20R1

AGF6-20R2

AGF6-25R1

AGF6-30R1

AGF6-30R2

AGF6-36R1
[ DXF|DWG | 3D CAD]
AGF6-40R1
[ DXF|DWG | 3D CAD]
AGF6-48R1
[ DXF|DWG | 3D CAD]
AGF6-50R1
[ DXF|DWG | 3D CAD]
AGF6-60R1
[ DXF|DWG | 3D CAD]		 1/36

1/40

1/48

1/50

1/60

 36

40

48

50

60

 1

1

1

1

1

 R

R

R

R

R

 25

130

180

190

250

 110

-

-

-

-

 216

240

288

300

360

 228

252

300

312

372

 234

258

306

318

378

 40

40

40

40

40

 23

20

20

20

20

 12

8

8

8

8

 75

40

40

40

40

 30

12

12

12

12

 172

190

240

250

310

 138

150

174

180

210

 H9

H0

H0

H0

H0

 53.82

66.05

93.8

101.4

143.3

 527.8

647.8

919.8

994.4

1405

 0.270.34

0.270.34

0.270.34

0.270.34

0.270.34

 13

6.3

7.7

8.2

10.1

 AGF6-36R1

AGF6-40R1

AGF6-48R1

AGF6-50R1

AGF6-60R1

CAUTION: Do not take heavy cuts when performing secondary operations on worm shafts to avoid bending them.

AGF6 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AGF6-20R1
AGF6-20R2
AGF6-25R1
AGF6-30R1
AGF6-30R2
AGF6-36R1
AGF6-40R1
AGF6-48R1
AGF6-50R1
AGF6-60R1
33.56
34.55
50.71
70.93
73.48
99.77
121.4
170.2
183.5
256.7
27.28
27.34
41.32
58.35
59.47
82.16
100.0
140.3
151.3
212.7
21.20
20.41
32.54
45.98
45.11
65.38
79.96
113.0
122.0
171.7
17.00
16.27
26.39
37.57
35.96
53.82
66.05
93.80
101.4
143.3
14.93
14.11
23.14
33.14
31.72
47.51
58.34
83.23
90.21
128.8
13.38
12.54
20.78
29.57
28.10
42.52
52.29
74.96
81.19
115.6
11.24
10.39
17.58
25.28
23.67
36.24
44.50
63.58
68.97
98.76

 

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