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 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 SCM440 (Alloy steel) ABC2 (Aluminum bronz)
Heat treatment Teeth induction hardened
after normalizing		 -
Surface hardness HRC5055 -
Surface treatment - -
Surface finish Ground Cut
Datum reference surface
for gear cutting and grinding		 Shaft (ground portion) Bore

W5
HA

Module 0.5 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 Sh7
KWG0.5-R1
[ DXF|DWG | 3D CAD]
KWG0.5-R2
[ DXF|DWG | 3D CAD] 		1

2

 R

R

 65

65

 19

19

 -

-

 12

12

 -

-

 34

34

 9

9

 10

10

 -

-

 6

6

 W5

W5

 0.02

0.02

Lead Angle R1 311' R2 620'

Module 0.5 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
AG0.5-20R1
[ DXF|DWG | 3D CAD]
AG0.5-20R2
[ DXF|DWG | 3D CAD]
AG0.5-30R1
[ DXF|DWG | 3D CAD]
AG0.5-30R2
[ DXF|DWG | 3D CAD]
AG0.5-40R1
[ 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

 4

4

4

4

5

 9

9

12

12

15

 10

10

15

15

20

 -

-

-

-

-

 11

11

16

16

21

 5

5

5

5

5

 7

7

7

7

7

 -

-

-

-

-

 12

12

12

12

12

 -

-

-

-

-

 -

-

-

-

-

 9.5

9.5

12

12

14.5

 HA

HA

HA

HA

HA

 0.03

0.03

0.07

0.06

0.12

 0.3

0.27

0.65

0.6

1.15

 0.060.13

0.060.13

0.060.13

0.060.13

0.060.13

 0.01

0.01

0.01

0.01

0.02

 AG0.5-20R1

AG0.5-20R2

AG0.5-30R1

AG0.5-30R2

AG0.5-40R1

AG0.5-50R1
[ DXF|DWG | 3D CAD]
AG0.5-60R1
[ DXF|DWG | 3D CAD]		 1/50

1/60

 50

60

 1

1

 R

R

 5

5

 20

25

 25

30

 -

-

 26

31

 5

5

 7

7

 -

-

 12

12

 -

-

 -

-

 17

19.5

 HA

HA

 0.18

0.25

 1.77

2.5

 0.060.13

0.060.13

 0.04

0.06

 AG0.5-50R1

AG0.5-60R1

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.

AG0.5 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG0.5-20R1
AG0.5-20R2
AG0.5-30R1
AG0.5-30R2
AG0.5-40R1
AG0.5-50R1
AG0.5-60R1
0.05
0.05
0.11
0.11
0.19
0.29
0.40
0.04
0.04
0.10
0.09
0.16
0.25
0.35
0.04
0.03
0.08
0.07
0.14
0.21
0.29
0.03
0.03
0.07
0.06
0.12
0.18
0.25
0.03
0.02
0.06
0.05
0.10
0.16
0.23
0.02
0.02
0.05
0.05
0.10
0.15
0.21
0.02
0.02
0.05
0.04
0.09
0.13
0.19

Module 0.8 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 Sh7
KWG0.8-R1
[ DXF|DWG | 3D CAD]
KWG0.8-R2
[ DXF|DWG | 3D CAD]		 1

2

 R

R

 85

85

 25

25

 -

-

 20

20

 -

-

 40

40

 12

12

 13.6

13.6

 -

-

 8

8

 W5

W5

 0.04

0.04

Lead Angle R1 349' R2 736'

Module 0.8 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
AG0.8-20R1
[ DXF|DWG | 3D CAD]
AG0.8-20R2
[ DXF|DWG | 3D CAD]
AG0.8-30R1
[ DXF|DWG | 3D CAD]
AG0.8-30R2
[ DXF|DWG | 3D CAD]
AG0.8-40R1
[ 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

 5

5

5

5

6

 12

12

18

18

20

 16

16

24

24

32

 -

-

-

-

-

 17.6

17.6

25.6

25.6

33.6

 8

8

8

8

8

 8

8

8

8

8

 -

-

-

-

-

 16

16

16

16

16

 -

-

-

-

-

 -

-

-

-

-

 14

14

18

18

22

 HA

HA

HA

HA

HA

 0.1

0.09

0.22

0.21

0.39

 1

0.91

2.2

2.02

3.87

 0.080.15

0.080.15

0.080.15

0.080.15

0.080.15

 0.02

0.02

0.04

0.04

0.07

 AG0.8-20R1

AG0.8-20R2

AG0.8-30R1

AG0.8-30R2

AG0.8-40R1

AG0.8-50R1
[ DXF|DWG | 3D CAD]
AG0.8-60R1
[ DXF|DWG | 3D CAD]		 1/50

1/60

 50

60

 1

1

 R

R

 8

8

 25

25

 40

48

 -

-

 41.6

49.6

 8

8

 8

8

 -

-

 16

16

 -

-

 -

-

 26

30

 HA

HA

 0.61

0.86

 5.94

8.39

 0.080.15

0.080.15

 0.11

0.14

 AG0.8-50R1

AG0.8-60R1

CAUTION: The root area of teeth on worm shafts is very hard due to heat treatment. Extra caution is urged for any secondary operations.
CAUTION: Do not take heavy cuts when performing secondary operations on worm shafts to avoid bending them.

AG0.8 Allowable Worm Gear Torques(kgfm)

Catalog No. Worms rpm
30
100
300
600
900
1200
1800
AG0.8-20R1
AG0.8-20R2
AG0.8-30R1
AG0.8-30R2
AG0.8-40R1
AG0.8-50R1
AG0.8-60R1
0.18
0.18
0.38
0.38
0.66
0.99
1.39
0.15
0.15
0.33
0.32
0.56
0.85
1.19
0.12
0.11
0.27
0.25
0.46
0.71
1.00
0.10
0.09
0.22
0.21
0.39
0.61
0.86
0.09
0.08
0.20
0.18
0.35
0.54
0.78
0.08
0.08
0.18
0.17
0.33
0.51
0.72
0.07
0.06
0.16
0.15
0.29
0.45
0.64

 

| Home | QTC Quote Request Form | US & Canada Catalog Request Form | International Catalog Request Form | Q420 Index | Recent Ads | Kohara Gear Homepage

Quality Transmission Components
E-Mail: qtcsupport@qtcgears.com
Phone: 516-437-6700
Fax: 800-737-7436 or 516-328-3343
Related Companies: