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  • Name: TAP disc coupling
  • NO.: 0656
  • Release time: 2015-09-02
  • Views : 40

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Disc coupling: by definition, transmits torque from a driving to a driven bolt tangentially on a commobolt circle. Torque is transmitted between the bolts through a series of thin, stainless steel discs assembled in a pack. Misalignment is accomplished by deforming of the material between the bolts.

A disc coupling is a high performance motion control (Servo) coupling designed to be the torque transmitting element (by connecting two shafts together) while accommodating for shaft misalignment. It is designed to be flexible, while remaining torsionally strong under high torque loads. Typically, disc couplings can handle speeds up to 10,000 RPM.

There are two different styles of disc coupling:

Single Disc Style couplings are composed of two hubs (the ends of the coupling, which are typically made from aluminum, but stainless steel is used as well) and a single, flat, stainless steel disc spring

Double Disc Style coupling is also composed of two hubs, but has an additional center spacer sandwiching two disc springs. The center spacer can be made out of the same material as the hubs, but is sometimes available in insulating acetal, which makes the coupling electrically isolating.

The difference between the two styles is that single disc couplings cannot accommodate parallel misalignment due to the complex bending that would be required of the lone disc. Double disc styles allow the two discs to bend in opposite directions to better manage parallel offset. The discs are fastened to the hubs (and center spacer on double disc styles) with tight fitting pins that do not allow any play or backlash between the disc and the hubs. The discs can be bent easily and as a result, disc couplings have some of the lowest bearing loads available in a motion control coupling.

Torsionally stiff and still flexible, disc couplings are a great solution for high speed applications. The downside is that they are more delicate than the average coupling and can be damaged if misused. Special care should be taken to ensure that misalignment is within the ratings of the coupling.

Advantages of disc coupling

1.  Eliminates the need for lubrication and coupling maintenance

2.  Coupling can be inspected without disassembly

3.  Condition of disc packs can be inspected with a strobe light while the machine is running

4.  Note: It is not recommended that couplings be operated without coupling guards.

5.  Easy to assess equipment misalignment

6.  Torsionally rigid without any backlash

7.  No wearing parts

8.  Resistance to harsh environments

9.  Long life when properly sized and aligned

10. High power density (higher torque for a given outside diameter)

TAP series

  • Have all the advantages of TAL
  • Suitable for the shafts wide differing from each other in diameter and middle/low speed applications
  • Especially for the equipments such as electric generators and electromotors with big diameter shaft
  • Beneficial to protect small shaft equipment

 

 

Model NO.

Power/Speed

(Kw/rpm)

Nominal torque

(KNm)

Peak torque

(KNm)

Max speed

(r/min)

AG/AL

(mm)

BG/BL

(mm)

CG/CL max (mm)

E(mm)

FG/FL

(mm)

L(mm)

TAP6115

0.072

0.68

2.4

15000

146/115

98/74

70/50

110

75

260

TAP6135

0.16

1.52

3.3

12000

165/135

119/94

85/65

110

90

290

TAP6152

0.22

2.1

6.1

11000

187/152

140/107

100/75

120

105

330

TAP6175

0.39

3.7

10.8

10000

215/175

162/122

115/85

130

120

370

TAP6196

0.49

4.6

12.4

9000

238/196

182/133

130/95

160

140

440

TAP6210

0.54

5.15

14.2

7500

254/210

203/147

145/105

160

155

470

TAP6231

0.86

8.21

24.1

6700

273/231

217/168

155/120

160

165

490

TAP6247

1.28

12.22

32

6200

297/247

238/182

170/130

160

180

520

TAP6272

2.16

20.62

45

5500

324/272

259/196

185/140

175

195

565

TAP8302

3.46

33

78

4700

350/302

273/224

195/155

195

205

605

TAP8333

4.13

39.44

101

4350

394/333

308/238

220/170

220

230

680

TAP8363

6.6

63

140

4200

420/363

336/260

240/185

250

250

750

TAP8396

8.5

81.11

197

3900

452/396

378/280

270/200

270

290

850

TAP8425

11

105

217

3600

487/425

406/294

290/210

290

310

910

TAP8457

14

133.7

320

3450

527/457

420/322

300/230

310

320

950

TAP8493

17

162.3

355

3300

563/493

455/352

325/250

320

340

1000

TAP0537

25

238.75

548

3200

617/537

476/374

340/265

350

360

1055

TAP0580

35

334.25

770

3100

648/580

490/415

350/290

370

370

1095

TAP0630

42

401.1

920

3000

688/630

546/452

390/320

400

410

1190