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TAM disc coupling

Disc coupling: by definition, transmits torque from a driving to a driven bolt tangentially on a common bolt 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.

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  • Description
  • 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

     

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Tanso

Cangzhou Tanso Couplings Co., Ltd. (the former Botou Tianshuo Couplings Factory) specializes in the research and production of expansion coupling sleeve, mechanical drives and mechanical seals.