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  • Name: GICL gear coupling
  • NO.: 0191
  • Release time: 2013-04-01
  • Views : 108

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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

I type:the seal is separated, the spacing of the teeth is larger, which can allow for larger angular misalignments,and it can be connected with the Y, J1 and Z1 axis.

Type

Nominal torque

Tn

/N·m

Max speed [n]

/r·min-1

Bore diameter d1d2dZ

Bore length L

D

D1

D2

B

A

C

C1

C2

e

Mass m/kg

Moment of inertia

I

/kg·m2

Y

J1Z1

GCL1

630

4000

161819

42

-

125

95

60

115

75

20

-

-

30

5.9

0.009

202224

52

38

10

-

24

2528

62

44

2.5

-

19

30323538

82

60

15

22

GCL2

1120

4000

2528

62

44

144

120

75

135

88

10.5

-

29

30

9.7

0.02

30323538

82

60

2.5

12.5

30

40424548

112

84

13.5

28

GCL3

2240

4000

30323538

82

60

174

140

95

155

106

3

24.5

25

30

17.2

0.047

40424548505556

112

84

25

28

60

142

107

17

35

GCL4

3550

3600

323538

82

60

196

165

115

178

125

14

37

32

30

24.9

0.091

40424548505556

112

84

3

17

28

60636570

142

107

17

35

GCL5

5000

3300

40424548505556

112

84

224

183

130

198

142

3

25

28

30

38

0.167

606365707175

142

107

20

35

80

172

132

22

43

GCL6

7100

3000

48505556

112

84

241

200

145

218

160

6

35

35

30

48.2

0.267

606365707175

142

107

4

20

35

808590

172

132

22

43

GCL7

10000

2680

606365707175

142

107

260

230

160

244

180

4

25

35

30

68.9

0.453

80859095

172

132

22

43

100

212

167

22

48

GCL8

14000

2500

65707175

142

107

282

245

175

264

193

5

35

35

30

83.3

0.646

80859095

172

132

22

43

100110

212

167

48

GCL9

18000

2350

707175

142

107

314

270

200

284

208

10

45

45

30

110

1.036

80859095

172

132

5

22

43

100110120125

212

167

49

GCL10

31500

2150

80859095

172

132

346

300

220

330

249

5

43

43

30

156.7

1.88

100110120125

212

167

22

49

130140

252

202

29

54

GCL11

40000

1880

100110120

212

167

380

330

260

360

267

6

29

49

40

217.1

3.28

130140150

252

202

54

160

302

242

64

GCL12

56000

1680

120

212

167

442

380

290

416

313

6

57

57

40

305.1

5.08

130140150

252

202

29

55

160170180

302

242

68

GCL13

80000

1530

140150

252

202

482

420

320

476

364

7

54

57

40

419.4

10.06

160170180

302

242

32

70

190200

352

282

80

GCL14

112000

1300

160170180

302

242

520

465

360

532

415

8

42

70

40

593.9

16.774

190200220

352

282

32

80

GCL15

160000

1180

190200220

352

282

580

510

400

556

429

10

34

80

40

783.3

76.55

240250

410

330

38

-

GCL16

250000

1000

200220

352

282

680

595

465

640

501

10

58

80

50

1134.4

52.22

240250260

410

330

38

-

280

470

380

38

GCL17

280000

980

220

352

282

720

645

495

672

512

10

74

80

50

1305

69

240250260

410

330

39

-

280300

470

380

39

GCL18

355000

900

240250260

410

330

775

675

520

702

524

10

46

-

50

1626

96.16

280300320

470

380

41

GCL19

450000

830

260

410

330

815

715

560

744

560

10

67

-

50

1773

115.6

280300320

470

380

41

340

550

450

41

GCL20

500000

790

280300320

470

380

855

755

585

786

595

13

44

-

50

2263

167.41

340360

550

450

44

GCL21

630000

750

30320

470

380

915

795

625

808

611

13

59

-

50

2593

215.7

340360380

550

450

44

GCL22

710000

720

340360380

550

450

960

840

665

830

632

13

44

-

60

3036

278.07

400

650

540

GCL23

800000

680

360380

550

450

1010

890

710

870

666

13

44

-

60

3668

379.4

400420

650

540

48

GCL24

1000000

650

380

550

450

1050

925

730

890

685

15

46

-

60

3946

448.1

400420450

650

540

50

GCL25

1120000

610

400420450480

650

540

1120

975

770

930

724

15

50

-

60

4443

564.64

GCL26

1125000

580

420450480500

650

540

1160

990

800

950

733

15

50

-

60

4791

637.4

GCL27

1400000

560

450480500

650

540

1210

1060

850

958

739

15

55

-

70

5758

866.26

530

800

680

GCL28

1600000

540

480500

650

540

1250

1080

890

1034

805

20

55

-

70

6232

1020.76

530560

800

680

55

GCL29

2240000

520

500

650

540

1340

1200

960

1034

792

20

57

-

80

7549

1450.84

530560600

800

680

55

GCL30

2800000

500

560600630

800

680

1390

1240

1005

1050

806

20

55

-

80

9541

1974.17

Key words : gear coupling