SWG Module 1 SWG Ground Worms Series - KHK Gears · ① For W2-shaped products, a set screw is included. When setting up the mating wheel, make sure no friction occurs within the

382 383

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You can download CAD data (DXF format) of KHK Products from the Web Catalog.

Ground WormsModule 1、1.5SWG

Worm WheelsModule 1、1.5AG

Catalog No.● : J Series (Available-on-request)

Axialmodule

Number of starts

Lead angle Hand thread ShapeBore Hub dia. Pitch dia. Outside dia. Face width Hub width (R) Hub width (L)

LH7 M N O P Q Q'

SWG1-R1 SWG1-R2 m1 1

23°35'7°08'

RR

W2W2

88

――

1616

1818

(20)(20)

――

――

SWG1.5-R1

•SWG1.5-R1J10m1.5

1 3°26' R W1W1K

1010 20 25 28 30 10 ―

SWG1.5-R2•SWG1.5-R2J10 2 6°51' R W1

W1K1010 20 25 28 30 10 ―

R

S

N OL

G

P

W2

GE F

J

A B D’DC

H1

[Caution on Product Characteristics] ① For W2-shaped products, a set screw is included. When setting up the mating wheel, make sure no friction occurs within the set screw.② These worms produce axial thrust forces. See Page 362 for more details.

[Caution on Secondary Operations] ① Please read “Caution on Performing Secondary Operations” (Page 362) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.

② Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm).

Specifications

Precision grade KHK W 001 grade 2 ＊Referencesection of gear Axial

Gear teeth Standard full depthNormalpressure angle 20°

Material S45C

Heat treatment Teeth induction hardened

Tooth hardness 50 ～ 60HRC

Surface treatment Black oxide coated except for ground part

＊ The precision grade of J Series products is equivalent to the value shown in the table.

Catalog No.Reduc-tion ratio

No. of teeth

Number of starts

Helixangle

Handthread

Shape AH7 B C D D' E F G

AG1-20R1AG1-20R2AG1-30R1AG1-30R2AG1-40R1

2010301540

2020303040

12121

3°35'7°08'3°35'7°08'3°35'

RRRRR

H1H1H1H1H1

66668

1616202026

2020303040

2222323242

2323333343

10 10 20

AG1-50R1AG1-60R1

5060

5060

11

3°35'3°35'

RR

H1H1

810

3035

5060

5262

5363

AG1.5-20R1AG1.5-20R2AG1.5-30R1AG1.5-30R2AG1.5-40R1

2010301540

2020303040

12121

3°26'6°51'3°26'6°51'3°26'

RRRRR

H1H1H1H1H1

88

101012

2222303035

3030454560

3333484863

34.534.549.549.564.5

14 10 24

AG1.5-50R1AG1.5-60R1

5060

5060

11

3°26'3°26'

RR

H1H1

1212

4550

7590

7893

79.594.5

JAllowable torque (N·m) NOTE 1 Backlash

(mm)

Weight

(kg)30 rpm 100 rpm 300 rpm 600 rpm 900 rpm 1200 rpm 1800 rpm

1818232328

3.353.317.087.03

12.1

2.792.695.985.84

10.2

2.232.064.844.568.43

1.831.684.053.727.12

1.631.483.633.336.38

1.501.353.313.035.86

1.301.152.922.635.13

0.08~0.190.08~0.190.08~0.190.08~0.190.08~0.19

0.0380.0380.0780.0780.13

3338

18.325.6

15.521.8

12.918.1

10.915.4

9.8714.1

9.0912.9

7.9511.4

0.08~0.190.08~0.19

0.200.29

27.5 27.5 353542.5

9.849.72

20.820.735.6

8.187.87

17.517.130.0

6.405.92

13.913.124.2

5.304.87

11.710.820.6

4.684.25

10.49.56

18.3

4.253.839.408.58

16.6

3.683.278.287.46

14.6

0.10~0.210.10~0.210.10~0.210.10~0.210.10~0.21

0.100.100.220.220.37

5057.5

53.875.3

45.463.8

36.951.9

31.644.7

28.340.4

25.836.7

22.632.4

0.10~0.210.10~0.21

0.590.83

AH7 Bore

B Hub dia.

C Pitch dia.

D Throat dia.

D' Outside dia.

E Face width

F Hub width

G Length

（H） Web thickness

（ I ） Web O.D.

J Mounting distance

Specifications

Precision grade KHK W 002 grade 2 *Referencesection of gear Rotating plane


Material CAC702 (formerly JIS AℓBC2)Heat treatment ―Tooth hardness ―


① The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 358 for more details.

[Caution on Product Characteristics]


NOTE 1 : Allowable torque based on worm speed (rpm)

① As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor.② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Certain products which would otherwise have a very long tapped hole are counterbored to reduce the length of the tap.⑤ For products having a tapped hole, a set screw is included.⑥ The use of H1T shaped Set Screws for fastening gears to a shaft is a method only applicable to the usage for light loads.

For secure fastening, please use dowel pins in combination.

Total length Keyway Set Screw Weight

(kg)Catalog No.

● : J Series (Available-on-request)R Width×Depth Size S

3232

――

M4M4

55

0.0370.037

SWG1-R1 SWG1-R2

40 ―4 x 1.8

―M4

―5

0.120.11

SWG1.5-R1•SWG1.5-R1J10

40 ―4 x 1.8

―M4

―5

0.120.11

SWG1.5-R2•SWG1.5-R2J10

Ground Worms

SWG

RP Q

L M N O

G

W1

S

RP Q

L M N O

G

W1K

Worm Wheels

AG

NOTE 1 : Allowable torque for worm revolution (rpm)

Series

[Caution on J series] ① As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor.

② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.

③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Areas of products which have been re-worked will not be black oxide coated.⑤ For products having a tapped hole, a set screw is included.

6 8 10 12 14 15 16 17 18 19 20 22 25 28 30 ― 4 × 1.8 5 × 2.3 6 × 2.8 8 × 3.3

M4 M5 M4 M5 M6

Series

Bore H7

Keyway Js9

Screw sizeCatalog No.

[Caution on J series]

GE F

J

A B D’DC

L

H1KH1T

GE F

J

A B D’DC

L

AG1-20R1 J BORE H1T

AG1-20R2 J BORE H1T

AG1-30R1 J BORE H1T H1T

AG1-30R2 J BORE H1T H1T

AG1-40R1 J BORE H1T H1K H1K

AG1-50R1 J BORE H1T H1K H1K H1K H1K H1K H1K

AG1-60R1 J BORE H1K H1K H1K H1K H1K H1K H1K H1K

AG1.5-20R1 J BORE H1T H1K

AG1.5-20R2 J BORE H1T H1K

AG1.5-30R1 J BORE H1K H1K H1K H1K H1K H1K

AG1.5-30R2 J BORE H1K H1K H1K H1K H1K H1K

AG1.5-40R1 J BORE H1K H1K H1K H1K H1K H1K H1K

AG1.5-50R1 J BORE H1K H1K H1K H1K H1K H1K H1K H1K H1K H1K

AG1.5-60R1 J BORE H1K H1K H1K H1K H1K H1K H1K H1K H1K H1K H1K H1K

To order J Series products, please specify; Catalog No. + J + BORE＊ The product shapes of J Series items are identified by background color.

L = 5mm L = 5mm

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You can download CAD data (DXF format) of KHK Products from the Web Catalog. 384 385

Ground WormsModule 2、2.5SWG

Worm WheelsModule 2、2.5AG

R

P QQ’

L M N O

G

W3


Axialmodule

Number of starts


LH7 M N O P Q Q'SWG2-R1

•SWG2-R1J12

•SWG2-R1J14m2

1 3°41' RW3W3KW3K

121214

25 31 35 32 15 3

SWG2-R2

•SWG2-R2J12

•SWG2-R2J142 7°21' R

W3W3KW3K

121214

25 31 35 32 15 3

SWG2.5-R1

•SWG2.5-R1J15

•SWG2.5-R1J16

•SWG2.5-R1J17m2.5

1 3°52' R

W3W3KW3KW3K

15151617

30 37 42 45 17 3

SWG2.5-R2

•SWG2.5-R2J15

•SWG2.5-R2J16

•SWG2.5-R2J17

2 7°42' R

W3W3KW3KW3K

15151617

30 37 42 45 17 3

J

G

B C D D’

E F

A

H4

GE F

J

A B D’DC

H1

[Caution on Product Characteristics] ① These worms produce axial thrust forces. See Page 362 for more details.

[Caution on Product Characteristics] ① The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 358 for more details.② There may be space in the casting between the two materials, but it will not affect the joint strength.


① Please read “Caution on Performing Secondary Operations” (Page 362) when performing modifications and/or secondary operations for safety con-cerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.

② The tooth and the hub areas, fastened by casting, are designed to have higher hardness than other parts of the gear.However, please avoid areas other than the hub. Also, the strength may decrease if secondary operations are performed.

[Caution on Secondary Operations]

Specifications



Material S45C





AH7 Bore

B Hub dia.

C Pitch dia.

D Throat dia.

D' Outside dia.

E Face width

F Hub width

G Length


（ I ） Web O.D.

J Mounting distance

Specifications

Precision grade KHK W 002 grade 2 ＊Referencesection of gear Rotating plane


Material CAC702 (formerly JIS AℓBC2) ＊＊Heat treatment ―Tooth hardness ―

＊＊ H4, H5 shape have a hub made from FC200 cast iron. FC200’s tensile strength (200N/mm2) is derived from test specimens and does not represent that of the boss.


Catalog No. Reduc-tion ratio

No. of teeth

Number of starts

Helixangle

Handthread

Shape AH7 B C D D' E F G （H）（ I ） JAllowable torque (N·m) NOTE 1 Backlash

(mm)

Weight



2010301540

2020303040

12121

3°41'7°21'3°41'7°21'3°41'

R

H1H1H4H4H4

12

3333404045

4040606080

4444646484

4646666686

18 15 33― ―

35.5 35.5 45.5 45.5 55.5

21.020.744.344.075.8

17.516.837.336.564.0

13.612.629.627.851.4

11.210.324.822.843.6

9.848.9321.920.138.5

8.948.0519.818.034.9

7.756.8917.415.730.7

0.11~0.24

0.260.260.510.510.85

AG2-50R1AG2-60R1

5060

5060

11

3°41'3°41'

H5H5

5055

100120

104124

106126

(8)(11)

(83)(100)

65.5 75.5

115160

96.8136

78.4110

66.994.6

59.584.9

54.277.2

47.668.1

1.051.52

AG2.5-20R1AG2.5-20R2AG2.5-30R1AG2.5-30R2AG2.5-40R1

2010301540

2020303040

12121

3°52'7°42'3°52'7°42'3°52'

H1H1H4H4H5

1212121215

3535404045

50507575

100

55558080

105

57.557.582.582.5107.5

20 14 34

――――

(11)

――――

(81)

43.5 43.5 565668.5

34.634.273.272.7

125

28.527.461.059.6

105

22.320.648.345.584.0

18.316.840.537.271.2

16.014.535.532.662.5

14.613.132.229.457.0

12.511.128.125.349.5

0.14~0.27

0.390.390.790.791.11

AG2.5-50R1AG2.5-60R1

5060

5060

11

3°52'3°52'

H5H5

1515

5560

125150

130155

132.5157.5

(12)(12)

(106)(130)

8193.5

189265

158222

128180

109154

96.7138

88.5126

76.7110

1.702.32

12 14 15 16 17 18 19 20 22 25 28 30 32 35 4 × 1.8 5 × 2.3 6 × 2.8 8 × 3.3 10 × 3.3

M4 M5 M6 M8


(kg)Catalog No.


50―

4 x 1.85 x 2.3

―M4M4

―7.57.5

0.210.210.19

SWG2-R1

•SWG2-R1J12

•SWG2-R1J14

50―

4 x 1.85 x 2.3

―M4M4

―7.57.5

0.210.210.19

SWG2-R2

•SWG2-R2J12

•SWG2-R2J14

65

―5 x 2.35 x 2.35 x 2.3

―M4M4M4

―8.58.58.5

0.400.390.380.37

SWG2.5-R1

•SWG2.5-R1J15

•SWG2.5-R1J16

•SWG2.5-R1J17

65

―5 x 2.35 x 2.35 x 2.3

―M4M4M4

―8.58.58.5

0.400.390.380.37

SWG2.5-R2

•SWG2.5-R2J15

•SWG2.5-R2J16

•SWG2.5-R2J17

( I )

J

A B C D D’

GE F

(H)

CS

CS H5

[Caution on Secondary Operations]

① Please read “Caution on Performing Secondary Operations” (Page 362) when perform-ing modifications and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.

② Due to the gear teeth being induction hardened, no secondary operations can be per-formed on tooth areas including the bottom land (approx. 2 to 3 mm).

Ground Worms

SWG

Series

R

P QQ’

L M N O

GS

W3K

Worm Wheels

AG

[Caution on J series] ① As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor.② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Areas of products which have been re-worked will not be black oxide coated.⑤ For products having a tapped hole, a set screw is included.

Series

Bore H7

Keyway Js9

Screw sizeCatalog No.AG2-20R1 J BORE H1K H1K H1K H1K H1KAG2-20R2 J BORE H1K H1K H1K H1K H1K AG2-30R1 J BORE H4K H4K H4K H4K H4K H4K H4K H4K H4K AG2-30R2 J BORE H4K H4K H4K H4K H4K H4K H4K H4K H4K AG2-40R1 J BORE H4K H4K H4K H4K H4K H4K H4K H4K H4K H4KAG2-50R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K AG2-60R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K AG2.5-20R1 J BORE H1K H1K H1K H1K H1K H1K H1KAG2.5-20R2 J BORE H1K H1K H1K H1K H1K H1K H1K AG2.5-30R1 J BORE H4K H4K H4K H4K H4K H4K H4K H4K H4K AG2.5-30R2 J BORE H4K H4K H4K H4K H4K H4K H4K H4K H4K AG2.5-40R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K AG2.5-50R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K AG2.5-60R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K

① As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor.

② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Certain products which would otherwise have a very long tapped hole are counterbored to reduce the length of the tap.⑤ For products having a tapped hole, a set screw is included.


GE F

J

A B D’DC

L

H1K

J

G

B C D D’

E F

A

L

H4K

( I )

J

A B C D D’

GE F

(H)

CS

CS

L

H5K


L = Half of hub length (F) L = Half of hub length (F)L = Half of hub length (F)

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386 387

Ground WormsModule 3、4SWG

Specifications



Material S45C




Worm WheelsModule 3、4

R

P QQ’

L M N O

G

W3


Axialmodule

Number of starts


LH7 M N O P Q Q'SWG3-R1

•SWG3-R1J17

•SWG3-R1J18

•SWG3-R1J19

•SWG3-R1J20

m3

1 3°54' R

W3W3KW3KW3KW3K

1617181920

35 44 50 50 20 4

SWG3-R2

•SWG3-R2J17

•SWG3-R2J18

•SWG3-R2J19

•SWG3-R2J20

2 7°46' R

W3W3KW3KW3KW3K

1617181920

35 44 50 50 20 4

SWG3-R3

•SWG3-R3J17

•SWG3-R3J18

•SWG3-R3J19

•SWG3-R3J20

3 11°34' R

W3W3KW3KW3KW3K

1617181920

35 44 50 50 20 4

SWG4-R1SWG4-R2SWG4-R3

m4123

3°41'7°21'

10°57'

RRR

W3W3W3

222222

505050

626262

707070

707070

252525

555

[Caution on Product Characteristics] ① These worms produce axial thrust forces. See Page 362 for more details.

[Caution on Product Characteristics] ① The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 358 for more details.

② There may be space in the casting between the two materials, but it will not affect the joint strength.

AG


J

G

B C D D’

E F

A

H4

GE F

J

A B D’DC

H1

Specifications

Precision grade KHK W 002 grade 2 ＊Referencesection of gear Rotating plane


Material CAC702 (formerly JIS AℓBC2) ＊＊Heat treatment ―Tooth hardness ―

＊＊ H4, H5 shape have a hub made from FC200 cast iron. FC200’s tensile strength (200N/mm2) is derived from test specimens and does not represent that of the boss.



Catalog No. Reduction ratio

No. of teeth

Number of starts

Helixangle

Handthread

Shape AH7 B C D D' E F G （H）（ I ） JAllowable torque (N·m) NOTE 1 Backlash

(mm)

Weight



2010301510

2020303030

12123

3°54'7°46'3°54'7°46'

11°34'

R

H1H1H4H4H4

20

5050555555

6060909090

6666969696

6969999999 25 18 43

― ―

5252 6767 67

59.558.7

126125129

48.846.9

104.3102103

38.035.182.477.677.1

30.928.468.462.862.4

27.024.559.955.153.8

24.722.254.549.748.7

20.918.546.942.240.6 0.16~0.29

0.750.751.461.461.46

AG3-40R1AG3-45R3AG3-50R1AG3-60R1

40155060

40455060

1311

3°54'11°34'3°54'3°54'

H5

65707585

120135150180

126141156186

129144159189

(10)(11)(15)(15)

(103)(120)(130)(155)

8289.5 97112

215274325455

179224270380

143171219308

120138185261

106121163233

96.4109150213

82.592.6

128183

2.032.443.224.52


2010301510

2020303030

12123

3°41'7°21'3°41'7°21'

10°57'

H1H1H4H4H4

6060656565

8080

120120120

8888

128128128

9292

132132132 30 20 50

― ―

7171919191

115114244242250

93.690.0

200196198

72.767.2

158148147

58.253.5

129118117

51.146.4

114104102

45.741.2

10192.290.2

38.434.186.377.674.7 0.19~0.32

1.531.533.003.003.00

AG4-40R1AG4-45R3AG4-50R1AG4-60R1

40155060

40455060

1311

3°41'10°57'3°41'3°41'

H5

809090

100

160180200240

168188208248

172192212252

(15)(16)(16)(17)

(133)(153)(173)(210)

111121131151

417531630881

343430519730

274326418589

226259347491

200229309441

179202277395

152170236337

4.325.446.258.74

AH7 Bore

B Hub dia.

C Pitch dia.

D Throat dia.

D' Outside dia.

E Face width

F Hub width

G Length


（ I ） Web O.D.

J Mounting distance

[Caution on Secondary Operations] ① Please read “Caution on Performing Secondary Operations” (Page 362) when performing modifications and/or secondary oper-ations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.

② The tooth and the hub areas, fastened by casting, are designed to have higher hardness than other parts of the gear. However, please avoid areas other than the hub. Also, the strength may decrease if secondary operations are performed.

Ground Worms

SWG

R

P QQ’

L M N O

GS

W3K

Series


(kg)Catalog No.


74

―5 x 2.36 x 2.86 x 2.86 x 2.8

―M4M5M5M5

―10101010

0.660.640.620.600.58

SWG3-R1

•SWG3-R1J17

•SWG3-R1J18

•SWG3-R1J19

•SWG3-R1J20

74

―5 x 2.36 x 2.86 x 2.86 x 2.8

―M4M5M5M5

―10101010

0.660.640.620.600.58

SWG3-R2

•SWG3-R2J17

•SWG3-R2J18

•SWG3-R2J19

•SWG3-R2J20

74

―5 x 2.36 x 2.86 x 2.86 x 2.8

―M4M5M5M5

―10101010

0.660.640.620.600.58

SWG3-R3

•SWG3-R3J17

•SWG3-R3J18

•SWG3-R3J19

•SWG3-R3J20

100100100

―――

―――

―――

1.821.821.82

SWG4-R1SWG4-R2SWG4-R3

Worm Wheels

( I )

J

A B C D D’

GE F

(H)

CS

CS H5

AG



② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.

③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Areas of products which have been re-worked will not be black oxide coated.⑤ For products having a tapped hole, a set screw is included.


② Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm).

Series

GE F

J

A B D’DC

L

H1K

J

G

B C D D’

E F

A

L

H4K

( I )

J

A B C D D’

GE F

(H)

CS

CS

L

H5K

Bore H7

Keyway Js9

Screw sizeCatalog No.

20 22 25 28 30 32 35 40 45 50 6 × 2.8 8 × 3.3 10 × 3.3 12 × 3.3 14 × 3.8

M5 M6 M8 M10AG3-20R1 J BORE H1K H1K H1K H1K H1KAG3-20R2 J BORE H1K H1K H1K H1K H1K AG3-30R1 J BORE H4K H4K H4K H4K H4K H4K AG3-30R2 J BORE H4K H4K H4K H4K H4K H4K AG3-30R3 J BORE H4K H4K H4K H4K H4K H4K AG3-40R1 J BORE H5K H5K H5K H5K H5K H5K H5K AG3-45R3 J BORE H5K H5K H5K H5K H5K H5K H5K H5K AG3-50R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K AG3-60R1 J BORE H5K H5K H5K H5K H5K H5K H5K H5K H5K H5K


② Number of products we can process for one order is 1 to 20 units. For quantities of 21 or more pieces, we need to quote price and lead time.③ Keyways are made according to JIS B1301 standards, Js9 tolerance.④ Certain products which would otherwise have a very long tapped hole are counterbored to reduce the length of the tap.⑤ For products having a tapped hole, a set screw is included.



L = 9mm L = 9mmL = 9mm

Documents

SWG Module 1 SWG Ground Worms Series - KHK Gears · ① For W2-shaped products, a set screw is included. When setting up the mating wheel, make sure no friction occurs within the