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TSCHAN® TNB BHDDV

Multi-part design with VKR buffers - Claw ring can be pushed back for checking the direction of rotation

The TSCHAN® TNB BHDDV - coupling is a torsionally flexible, puncture proof claw coupling. It compensates for angular, radial and axial shaft misalignments within defined limits. The coupling transmits torque through elastic buffers loaded in shear. These buffers come in Perbunan (Pb) or polyurethane (Vk), as a standard VkR. These elastic buffers dampen shocks and torsional vibrations and are resistant to oil. When the claw ring is pulled back it is easily possible to check the rotational direction of the drive. The coupling is suitable for use in every direction of rotation and installation position.

TSCHAN® TSCHAN B BHDDV

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metric inch
CAD Identifier nmax TKN d1f max d2f max D1 D4 C1 C2 L Gwub
    1/min Nm mm mm mm mm mm mm mm kg
  WB2024-A 4100 2500 82,6 82,6 240 140 130 130 315 56
  WB2024-B 4100 2500 82,6 95,3 240 150 130 150 335 61
  WB2030-A 3300 6000 104,8 104,8 300 170 160 160 384 105
  WB2030-B 3300 6000 104,8 127 300 200 160 186 410 121
  WB2035-A 2800 10500 114,3 114,3 350 180 180 180 424 138
  WB2035-B 2800 10500 114,3 158,8 350 250 180 231 475 187
  WB2040-A 2450 16000 130,2 130,2 400 210 190 190 451 202
  WB2040-B 2450 16000 130,2 177,8 400 280 190 239 500 161
  WB2045-A 2200 21000 158,8 158,8 450 250 200 200 471 264
  WB2045-B 2200 21000 158,8 187 450 300 200 239 510 315
  WB2050-A 2000 35000 165,1 165,1 500 270 228 228 539 377
  WB2050-B 2000 35000 165,1 203,2 500 330 228 279 590 454
  WB2055-A 1800 45000 184,2 184,2 550 280 228 228 539 428
  WB2055-B 1800 45000 184,2 225 550 350 228 279 590 521
  WB2060-A 1650 55000 212,73 212,73 600 330 258 258 604 595
  WB2060-B 1650 55000 212,73 232,5 600 385 258 299 645 688
  WB2065-A 1500 65000 228,6 228,6 650 350 258 258 609 688
  WB2065-B 1500 65000 228,6 232,5 650 385 258 299 650 760
  WB2070-A 1400 90000 228,6 228,6 700 370 298 298 698 912
  WB2070-B 1400 90000 228,6 271 700 450 298 345 745 1076
  WB2080-A 1200 120000 279,4 279,4 800 450 338 338 778 1350
  WB2080-B 1200 120000 279,4 304,8 800 490 338 365 805 1460
  WB2090-A 1100 180000 304,8 304,8 900 480 338 338 784 1601
  WB2090-B 1100 180000 304,8 366,9 900 590 338 399 845 1948
Identifier nmax TKN d1f max d2f max D1 D4 C1 C2 L Gwub
rpm ft-lbs inch inch inch inch inch inch inch lbs
WB2024-A 4100 1844 3.252 3.252 9.449 5.512 5.118 5.118 12.402 123.46
WB2024-B 4100 1844 3.252 3.752 9.449 5.906 5.118 5.906 13.189 134.48
WB2030-A 3300 4425 4.126 4.126 11.811 6.693 6.299 6.299 15.118 231.49
WB2030-B 3300 4425 4.126 5.000 11.811 7.874 6.299 7.323 16.142 266.76
WB2035-A 2800 7744 4.500 4.500 13.780 7.087 7.087 7.087 16.693 304.24
WB2035-B 2800 7744 4.500 6.252 13.780 9.843 7.087 9.094 18.701 412.26
WB2040-A 2450 11801 5.126 5.126 15.748 8.268 7.480 7.480 17.756 445.33
WB2040-B 2450 11801 5.126 7.000 15.748 11.024 7.480 9.409 19.685 354.94
WB2045-A 2200 15489 6.252 6.252 17.717 9.843 7.874 7.874 18.543 582.02
WB2045-B 2200 15489 6.252 7.362 17.717 11.811 7.874 9.409 20.079 694.46
WB2050-A 2000 25815 6.500 6.500 19.685 10.630 8.976 8.976 21.220 831.14
WB2050-B 2000 25815 6.500 8.000 19.685 12.992 8.976 10.984 23.228 1000.90
WB2055-A 1800 33191 7.252 7.252 21.654 11.024 8.976 8.976 21.220 943.58
WB2055-B 1800 33191 7.252 8.858 21.654 13.780 8.976 10.984 23.228 1148.61
WB2060-A 1650 40566 8.375 8.375 23.622 12.992 10.157 10.157 23.779 1311.75
WB2060-B 1650 40566 8.375 9.154 23.622 15.157 10.157 11.772 25.394 1516.78
WB2065-A 1500 47942 9.000 9.000 25.591 13.780 10.157 10.157 23.976 1516.78
WB2065-B 1500 47942 9.000 9.154 25.591 15.157 10.157 11.772 25.591 1675.51
WB2070-A 1400 66381 9.000 9.000 27.559 14.567 11.732 11.732 27.480 2010.62
WB2070-B 1400 66381 9.000 10.669 27.559 17.717 11.732 13.583 29.331 2372.18
WB2080-A 1200 88508 11.000 11.000 31.496 17.717 13.307 13.307 30.630 2976.24
WB2080-B 1200 88508 11.000 12.000 31.496 19.291 13.307 14.370 31.693 3218.75
WB2090-A 1100 132763 12.000 12.000 35.433 18.898 13.307 13.307 30.866 3529.60
WB2090-B 1100 132763 12.000 14.445 35.433 23.228 13.307 15.709 33.268 4294.61

TSCHAN®-TNB Type BHDDV

For short shaft distances, a combination of two multi-part coupling hubs and VkR buffer. Easy replacement of the elastic buffer without axial movement of the coupled machines.

General features

  • Torsionally flexible, compensate for angular, radial and axial shaft misalignment
  • Buffers loaded in compression
  • Buffers can be replaced radially without having to move the coupled machines
  • Elastomers available in various shore hardness degrees
  • Suitable for temperatures from –30°C to +100°C
  • Outer diameter up to 1,275 mm
  • Bores up to max. 400 mm
  • Torques up to TKn = 260,000 Nm / TKmax = 780,000 Nm
  • Speeds up to nmax = 4,100 rpm

INTRODUCTION

The rotationally resilient, failsafe claw coupling TSCHAN TNB series is flexible in all directions and therefore compensates for angular, parallel and axial shaft misalignments of the connected machines. Misalignments can be caused, for example, by inaccurate assembly, heat movements or settling phenomena.

Avoiding Torsional Vibration

By virtue of the rotational resilience of the coupling, dangerous torsional vibrations from the operational range of plant machinery can be transferred to rotational speed ranges in which no negative effects are to be expected. The elastic buffers possess a high material damping capability which makes it possible for the couplings to keep the resonance enhancements within limits when passing through dangerous speed ranges, thereby protecting the coupled machines against damage. The couplings also mitigate torque shocks and cause a vibrating system that has been excited by an impact to come to rest very quickly due to the material damping qualities. The conduction of structure-borne noise is prevented.

Elastomer Materials

The elastic TSCHAN TNB buffers are made of butadiene-nitril-rubber (Pb82) or polyurethane (VkR, VkW). The black buffer (Pb82) are normally electrically conductive and therefore prevent undesirable electrostatic charges. The red (VkR) and white (VkW) buffers ensure electrical insulation between connected machines as long as there are no other electrically conductive connections. The resilience of the individual elastomer materials is designated by their Shore hardness. From these values an indirect conclusion can be drawn with respect to the torques the coupling is able to transmit and its spring stiffness. For further details, please see the technical data sheet.

Environmental conditions

The employed elastomer materials operate reliably in ambient temperature ranges of –30° to +100°C. Please contact RINGFEDER POWER TRANSMISSION if higher ambient temperatures are involved. The influence of the temperature on the coupling size selection is explained in more detail in the below-mentioned design directives. It is only allowed to operate the coupling in normal industrial air. Aggressive media may attack the coupling components, bolts and elastic elements, and, therefore, present a danger to the operational safety of the coupling. The coupling can be certified in accordance with the European Directive 94/9/EC, also known as ATEX 95. Please contact RINGFEDER POWER TRANSMISSION regarding the declaration of conformity according to 94/9/EC and the effects of aggressive ambient media.

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