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  • Name: GICLZ gear coupling
  • NO.: 0163
  • Release time: 2013-04-01
  • Views : 126

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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

 

Type

Nominal torque

Tn

/N·m

Max speed [n]

/r·min-1

Bore diameter d1d2

Bore length L

D

D1

D2

D3

B

A

C

e

Mass m

/kg

Moment of inertia I

/kg·m2

Y

GCLZ1

630

4000

161819

42

125

95

60

80

57

37

20

30

5.4

0.0084

202224

52

10

2528

62

2.5

30323538

82

40*42*45*48*50*

112

GCLZ2

1120

4000

2528

62

144

120

75

95

67

44

10.5

30

9.2

0.018

30323538

82

2.5

40*42*45*48*50*55*56*

112

60*

142

GCLZ3

2240

4000

30323538

82

174

140

95

115

77

53

3

30

16.4

0.0427

40424548505556

112

6063*65*70*

142

GCLZ4

3550

3600

323538

82

196

165

115

130

89

62

14

30

22.7

0.076

40424548505556

112

3

6063657071*75*

142

80*

172

GCLZ5

5000

3300

40424548505556

112

224

183

130

150

99

71

3

30

36.2

0.0149

606365707175

142

8085*90*

172

GCLZ6

7100

3000

48505556

112

241

200

145

170

109

80

6

30

46.2

0.24

606365707175

142

4

80859095*

172

100*

212

GCLZ7

10000

2680

606365707175

142

260

230

160

190

122

90

4

30

68.4

0.43

80859095

172

100110*120*

212

GCLZ8

14000

2500

65707175

142

282

245

175

210

132

96

5

30

81.1

0.61

80859095

172

100110120*

212

130*

252

GCLZ9

18000

2350

707175

142

314

270

200

225

142

104

10

30

100.1

0.94

80859095

172

5

100110120125

212

130*140*

252

GCLZ10

31500

2150

80859095

172

346

300

220

250

165

124

5

30

147.1

1.67

100110120125

212

130140150*

252

160*

302

GCLZ11

40000

1880

100110120

212

380

330

260

285

180

133

6

40

206.3

2.98

130140150

252

160170*180*

302

GCLZ12

56000

1680

120

212

442

380

290

325

208

156

6

40

284.5

5.31

130140150

252

160170180

302

190*200*

352

GCLZ13

80000

1530

140150

252

482

420

320

360

238

182

7

40

402

9.16

160170180

302

190200220*

352

GCLZ14

112000

1300

160170180

302

520

465

360

410

266

207

8

40

582.2

15.92

190200220

352

240*250*

410

GCLZ15

160000

1180

190200220

352

580

510

400

450

278

214

10

40

778.2

25.79

240250260*

410

280*

470

GCLZ16

250000

1000

200220

352

680

595

465

500

320

250

10

50

1071

46.89

240250260

410

280300*320*

470

GCLZ17

280000

980

220

352

720

645

495

530

336

256

10

50

1210

60.59

240250260

410

280300320*

470

GCLZ18

355000

900

240250260

410

775

675

520

540

351

262

10

50

1475

81.75

280300320

470

340*

550

GCLZ19

450000

830

260

410

815

715

560

580

372

280

10

50

1603

101.57

280300320

470

340360*

550

GCLZ20

500000

790

280300320

470

855

755

585

600

393

297

13

50

2033

140.03

340360380*

550

GCLZ21

630000

750

300320

470

915

795

620

640

404

305

13

50

2385

183.4

340360380

550

400*

650

GCLZ22

710000

720

340360380

550

960

840

665

680

415

316

13

60

2458

235.04

400420*

650

GCLZ23

800000

680

360380

550

1010

890

710

720

435

333

13

60

3332

323.16

400420450

650

GCLZ24

1000000

650

380

550

1050

925

730

760

445

342

15

60

3639

389.97

400420450480*

650

GCLZ25

1120000

610

400420450480500*

650

1120

970

770

800

465

362

15

60

4073

485.96

GCLZ26

1250000

580

420450480500

650

1160

990

800

850

475

366

15

60

4527

573.64

530*

800

GCLZ27

1400000

560

450480500

650

1210

1060

850

900

479

369

15

70

5485

789.74

530560*

800

GCLZ28

1600000

540

480500

650

1250

1080

890

960

517

402

20

70

6050

960.26

530560600*

800

GCLZ29

2240000

520

500

650

1340

1200

960

1010

517

396

20

80

7090

1268.98

530560600630*

800

GCLZ30

2800000

500

560600630

800

1390

1240

1005

1070

525

403

20

80

9264

1822.02

670*

900