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  • Name: WGP gear coupling with brake wheel
  • NO.: 0157
  • Release time: 2013-04-01
  • Views : 157

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A gear coupling is a mechanical device for transmitting torque between two shafts that are not collinear. It consists of a flexible joint fixed to each shaft. The two joints are connected by a third shaft, called the spindle.

Each joint consists of a 1:1 gear ratio internal/external gear pair. The tooth flanks and outer diameter of the external gear are crowned to allow for angular displacement between the two gears. Mechanically, the gears are equivalent to rotating splines with modified profiles. They are called gears because of the relatively large size of the teeth.

Gear couplings and universal joints are used in similar applications. Gear couplings have higher torque densities than universal joints designed to fit a given space while universal joints induce lower vibrations. The limit on torque density in universal joints is due to the limited cross sections of the cross and yoke. The gear teeth in a gear coupling have high backlash to allow for angular misalignment. The excess backlash can contribute to vibration.

Gear couplings are generally limited to angular misalignments, i.e., the angle of the spindle relative to the axes of the connected shafts, of 4-5°. Universal joints are capable of higher misalignments.

Advantages of Tanso gear coupling

1. Lowest price based on large scale production.

2. High and stable quality level.

3. Widely used in various mechanical and hydraulic fields.

4. Compensation for axial, radial and angular misalignment.

5. Convenient axial plugging assembly.

6. No brittlement at low temperature.

7. Good slippery and frictional properties.

8. Resistance to chemical corrosion.

 

9. Rich experience working with big companies in this field.

Design advantages

The Flexible Coupling method of connecting rotating shafts is a vital and necessary technique. Large massive shafting, loosely mounted in sleeve bearings and merely joined together by rigidly bolted flanges, cannot provide efficient mechanical power transmission. Especially today, as machine designers and builders demand higher speeds, higher torques, and higher misalignment capacities, the need for “flexibly connecting” this equipment becomes apparent.

A flexible coupling is necessary since it is practically impossible to achieve and maintain perfect alignment of coupled rotating shafts. During initial assembly and installation, precise alignment of the shaft axes is not only difficult to achieve but in many cases it is economically unfeasible. During operation, alignment is even more difficult to maintain. Shaft misalignment – caused by uneven bearing wear, flexure of structural members, settling of foundations, thermal expansion, shaft deflection and other factors – is an operating certainty. Because these factors are extremely difficult to control, a flexible coupling serves as an ideal answer to compensate or minimize the effects of unavoidable misalignment and end movement of coupled shafts.

 

A flexible coupling must provide three basic functions:

1. Physically couple together two rotating shafts for efficient transmission of mechanical power, transferring the torque of one shaft to the other, directly and with constant velocity.

2. Compensate for all types of misalignment between rotating, connected shafts without inducing abnormal stresses and loads on connected equipment, and without tangible loss of power.

3. Compensate for end or axial movement of the coupled shafts, preventing either shaft from exerting excessive thrust on the other and allowing each to rotate in its normal position.

   

Three types of misalignment must be effectively accommodated by a flexible coupling.

1. Parallel Offset – axes of connected shafts are parallel, but not in the same straight line.

2. Angular – axes of shafts intersect at center point of coupling, but not in the same straight line.

3. Combined Angular-Offset – axes of shafts do not intersect at point of coupling and are not parallel.

  

Product description

 

Dimensions of coupling

Type

Nominal torque

Tn

/N·m

Max speed

[n]

/r·min-1

Bore diameter

d1d2dZ

Bore length

L

D0

D

D2

D4

B

F

N

R

C

C1

C2

Mass

m

/kg

Moment of inertia

I

/kg·m2

Y

J1Z1

WGP1

710

4000

1214

32

-

315

122

98

60

58

30

38

2

30

-

-

5.62

0.0078

161819

42

-

20

-

-

202224

52

-

10

-

-

2528

62

44

3

19

18

30323538

82

60

23

12

4042

112

84

29

12

WGP2

1250

4000

2224

52

-

315

150

118

77

68

30

38

2.5

20

-

-

9.62

0.022

2528

62

-

10

-

-

30323538

82

60

3

23

16

40424548505556

112

84

29

WGP3

2500

3550

2224

52

-

355

170

140

90

80

30

49

3

33

-

-

16.6

0.047

2528

62

-

23

-

-

30323538

82

60

3

23

25

40424548505556

112

84

29

16

6063

142

107

36

WGP4

4500

2500

30323538

82

-

400

450

500

200

160

112

90

30

45

3

13

-

-

25.3

0.098

40424548505556

112

84

3

29

17

606365707175

142

107

36

80

172

132

41

WGP5

7100

2500

30323538

82

-

400

450

500

225

180

128

100

30

45

4

23

-

-

34.7

0.174

40424548505556

112

84

3

29

19

606365707175

142

107

36

808590

172

132

41

WGP6

10000

2000

323538

82

-

450

500

560

630

245

200

145

112

30

44

4

35

-

-

51.3

0.293

40424548505556

112

-

5

-

-

606365707175

142

107

38

20

80859095

172

132

43

100

 

 

48

WGP7

14000

1700

323538

82

-

450

500

560

710

272

230

160

122

30

44

4

45

-

-

68

0.53

40424548505556

112

-

15

-

-

606365707175

142

107

5

38

20

80859095

172

132

43

100110

212

167

48

WGP8

20000

1700

5556

112

-

500

560

630

710

290

245

170

136

30

44

5

29

-

-

79

0.71

606365707175

142

107

5

38

34

80859095

172

132

43

20

100110120125

212

167

48

WGP9

25000

1600

65707175

142

107

560

630

710

800

315

265

190

140

30

58

5

5

38

38

106.5

1.05

80859095

172

132

43

28

100110120125

212

167

48

130140

252

202

53

WGP10

40000

1600

75

142

-

630

710

800

355

300

225

165

30

58

6

28

-

-

159

1.74

80859095

172

132

5

43

38

100110120125

212

167

48

28

130140150

252

202

53

160

302

242

63

WGP11

56000

1400

859095

172

-

710

800

900

412

345

256

180

40

58

6

15

-

-

215

3.67

100110120125

212

167

8

51

32

130140150

252

202

56

160170180

302

242

66

WGP12

80000

1400

120125

212

167

710

800

900

440

375

288

207

40

58

7

8

51

45

303

6.4

130140150

252

202

56

32

160170180

302

242

66

190200

352

282

76

WGP13

112000

1400

140150

252

202

800

900

490

425

320

235

50

58

8

8

56

38

291

10.45

160170180

302

242

66

32

190200220

352

282

76

WGP14

160000

1200

160170180

302

242

900

1000

545

462

362

265

50

65

9

10

68

32

523

17.48

190200220

352

282

78

240250260

410

330

-

10

 
Dimensions of Brake wheel

Diameter of brake wheel

D0

T

k

S

D5max

Mass m

/kg

Moment of inertia I

/kg·m2

315

15

10

42

180

155

8.5

6.7

0.116

0.11

355

15

10

54

200

175

11.4

9.9

0.192

0.178

400

15

14

54

255

230

15.2

12.4

0.32

0.287

450

15

16

54

305

280

19.7

15.6

0.55

0.462

500

15

18

54

325

295

25

20

0.83

0.712

560

15

18

54

350

320

30.7

25.6

1.28

1.127

630

15

20

54

400

360

38.8

33

2.06

1.826

710

15

20

54

480

450

46.5

39.4

3.32

2.912

800

15

24

70

540

500

67.8

52.7

5.87

4.81

900

15

24

70

600

560

86.6

70.3

9.3

7.852

1000

20

30

80

620

560

128.8

115.1

17.4

15.65

Key words : gear coupling