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  • Name: TAM disc coupling
  • NO.: 0658
  • Release time: 2015-09-02
  • Views : 85

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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)

Model NO.

Power/Speed

(Kw/rpm)

Nominal torque

(KNm)

Peak torque

(KNm)

Max speed

(r/min)

A

(mm)

B

(mm)

CL/CR

 max (mm)

E+FL

min(mm)

F

(mm)

L(mm)

LS(mm)

TAM6115

0.072

0.68

2.4

15000

115

74

40/50

75

55

130

53

TAM6135

0.16

1.52

3.3

12000

135

94

55/65

95

70

165

54

TAM6152

0.22

2.1

6.1

11000

152

107

65/75

110

80

190

57

TAM6175

0.39

3.7

10.8

10000

175

122

75/85

122

90

212

66

TAM6196

0.49

4.6

12.4

9000

196

133

80/95

135

100

235

83

TAM6210

0.54

5.15

14.2

7500

210

147

90/105

145

110

255

83

TAM6231

0.86

8.21

24.1

6700

231

168

105/120

160

125

285

83

TAM6247

1.28

12.22

32

6200

247

182

115/130

177

140

317

86

TAM6272

2.16

20.62

45

5500

272

196

125/140

190

150

340

100

TAM8302

3.46

33

78

4700

302

224

140/155

201

165

366

106

TAM8333

4.13

39.44

101

4350

333

238

155170

222

180

402

127

TAM8363

6.6

63

140

4200

363

260

170/185

248

200

448

132

TAM8396

8.5

81.11

197

3900

396

280

175/200

267

215

482

136

TAM8425

11

105

217

3600

425

294

190/210

290

230

520

153

TAM8457

14

133.7

320

3450

457

322

205/230

300

240

540

157

TAM8493

17

162.3

355

3300

493

352

220/250

320

260

580

163

TAM0537

25

238.75

548

3200

537

374

240/265

340

280

620

184

TAM0580

35

334.25

770

3100

580

415

260/290

365

305

670

184

TAM0630

42

401.1

920

3000

630

452

285/320

390

330

720

205