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TSCHAN® TNB BHDDV-BS

Multi-part design with VKR buffers - Like BHDDV, but with brake disk

The TSCHAN® TNB Coupling Type BHDDV-BS is a torsionally flexible and shock-proof claw coupling with detachable claw rings. They compensate for angular as well as radial and axial shaft misalignment within fixed tolerances. The torque is transmitted through compressed, elastic buffers. The elastic buffers dampen shocks and torsional vibrations, are oil-proof and essentially insensitive to temperature. Buffers made of polyurethane (VkR) make an electrical insulation between the coupled machines possible if no other type of electrical connection exists. Buffers made of Perbunan (Pb) are normally electrically conductive and therefore prevent undesirable static charging, among other things. The elastic buffers can be radially replaced by pushing back the holding ring without disturbing the coupled machines. In addition, the detachable middle element allows connected machines to be lifted out radially. The direction of rotation of the drive can also be verified. The coupling can be used for either direction of rotation and be installed in any position.

TSCHAN® TSCHAN B BHDDV-BS

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metric inch
CAD Identifier A SB TKN TBR d1f max d2f max D1 C1 C2 L Gwub
    mm mm Nm Nm mm mm mm mm mm mm kg
  WB1824-0500 500 30 2500 7500 82,6 95,3 240 130 180 365 107
  WB1824-0560 560 30 2500 7500 82,6 95,3 240 130 180 365 119
  WB1824-0630 630 30 2500 7500 82,6 95,3 240 130 180 365 134
  WB1830-0630 630 30 6000 18000 104,8 127 300 160 216 440 194
  WB1830-0710 710 30 6000 18000 104,8 127 300 160 216 440 214
  WB1830-0800 800 30 6000 18000 104,8 127 300 160 216 440 239
  WB1835-0630 630 30 10500 31500 114,3 158,8 350 180 261 505 260
  WB1835-0710 710 30 10500 31500 114,3 158,8 350 180 261 505 280
  WB1835-0800 800 30 10500 31500 114,3 158,8 350 180 261 505 305
  WB1840-0630 630 30 16000 48000 130,2 177,8 400 190 269 530 334
  WB1840-0710 710 30 16000 48000 130,2 177,8 400 190 269 530 354
  WB1840-0800 800 30 16000 48000 130,2 177,8 400 190 269 530 379
  WB1845-0710 710 30 21000 63000 158,8 187 450 200 269 540 408
  WB1845-0800 800 30 21000 63000 158,8 187 450 200 269 540 433
  WB1845-0900 900 30 21000 63000 158,8 187 450 200 269 540 464
  WB1850-0800 800 30 35000 85500 165,1 203,2 500 228 309 620 572
  WB1850-0900 900 30 35000 85500 165,1 203,2 500 228 309 620 603
  WB1850-1000 1000 30 35000 85500 165,1 203,2 500 228 309 620 639
  WB1855-0800 800 30 45000 135000 184,2 217,5 550 228 309 620 639
  WB1855-0900 900 30 45000 135000 184,2 217,5 550 228 309 620 670
  WB1860-0900 900 30 55000 165000 212,73 232,5 600 258 329 675 838
  WB1860-1000 1000 30 55000 165000 212,73 232,5 600 258 329 675 873
  WB1865-0900 900 30 65000 195000 228,6 232,5 650 258 329 680 909
  WB1865-1000 1000 30 65000 195000 228,6 232,5 650 258 329 680 944
  WB1870-1000 1000 30 90000 270000 228,6 271 700 298 375 775 1260
  WB1870-1400 1400 30 90000 270000 228,6 271 700 298 375 775 1438
  WB1880-1200 1200 30 120000 375000 279,4 304,8 800 338 395 835 1726
  WB1880-1400 1400 30 120000 375000 279,4 304,8 800 338 395 835 1822
  WB1890-1400 1400 30 180000 540000 304,8 366,9 900 338 429 875 2310
  WB1890-1500 1500 30 180000 540000 304,8 366,9 900 338 429 875 2364
Identifier A SB TKN TBR d1f max d2f max D1 C1 C2 L Gwub
inch inch ft-lbs ft-lbs inch inch inch inch inch inch lbs
WB1824-0500 19.685 1.181 1844 5532 3.252 3.752 9.449 5.118 7.087 14.370 235.89
WB1824-0560 22.047 1.181 1844 5532 3.252 3.752 9.449 5.118 7.087 14.370 262.35
WB1824-0630 24.803 1.181 1844 5532 3.252 3.752 9.449 5.118 7.087 14.370 295.42
WB1830-0630 24.803 1.181 4425 13276 4.126 5.000 11.811 6.299 8.504 17.323 427.70
WB1830-0710 27.953 1.181 4425 13276 4.126 5.000 11.811 6.299 8.504 17.323 471.79
WB1830-0800 31.496 1.181 4425 13276 4.126 5.000 11.811 6.299 8.504 17.323 526.91
WB1835-0630 24.803 1.181 7744 23233 4.500 6.252 13.780 7.087 10.276 19.882 573.20
WB1835-0710 27.953 1.181 7744 23233 4.500 6.252 13.780 7.087 10.276 19.882 617.29
WB1835-0800 31.496 1.181 7744 23233 4.500 6.252 13.780 7.087 10.276 19.882 672.41
WB1840-0630 24.803 1.181 11801 35403 5.126 7.000 15.748 7.480 10.591 20.866 736.34
WB1840-0710 27.953 1.181 11801 35403 5.126 7.000 15.748 7.480 10.591 20.866 780.44
WB1840-0800 31.496 1.181 11801 35403 5.126 7.000 15.748 7.480 10.591 20.866 835.55
WB1845-0710 27.953 1.181 15489 46467 6.252 7.362 17.717 7.874 10.591 21.260 899.49
WB1845-0800 31.496 1.181 15489 46467 6.252 7.362 17.717 7.874 10.591 21.260 954.60
WB1845-0900 35.433 1.181 15489 46467 6.252 7.362 17.717 7.874 10.591 21.260 1022.95
WB1850-0800 31.496 1.181 25815 63062 6.500 8.000 19.685 8.976 12.165 24.409 1261.05
WB1850-0900 35.433 1.181 25815 63062 6.500 8.000 19.685 8.976 12.165 24.409 1329.39
WB1850-1000 39.370 1.181 25815 63062 6.500 8.000 19.685 8.976 12.165 24.409 1408.75
WB1855-0800 31.496 1.181 33191 99572 7.252 8.563 21.654 8.976 12.165 24.409 1408.75
WB1855-0900 35.433 1.181 33191 99572 7.252 8.563 21.654 8.976 12.165 24.409 1477.10
WB1860-0900 35.433 1.181 40566 121699 8.375 9.154 23.622 10.157 12.953 26.575 1847.48
WB1860-1000 39.370 1.181 40566 121699 8.375 9.154 23.622 10.157 12.953 26.575 1924.64
WB1865-0900 35.433 1.181 47942 143826 9.000 9.154 25.591 10.157 12.953 26.772 2004.00
WB1865-1000 39.370 1.181 47942 143826 9.000 9.154 25.591 10.157 12.953 26.772 2081.17
WB1870-1000 39.370 1.181 66381 199144 9.000 10.669 27.559 11.732 14.764 30.512 2777.83
WB1870-1400 55.118 1.181 66381 199144 9.000 10.669 27.559 11.732 14.764 30.512 3170.25
WB1880-1200 47.244 1.181 88508 276589 11.000 12.000 31.496 13.307 15.551 32.874 3805.18
WB1880-1400 55.118 1.181 88508 276589 11.000 12.000 31.496 13.307 15.551 32.874 4016.83
WB1890-1400 55.118 1.181 132763 398288 12.000 14.445 35.433 13.307 16.890 34.449 5092.68
WB1890-1500 59.055 1.181 132763 398288 12.000 14.445 35.433 13.307 16.890 34.449 5211.73

Coupling with standard hub TSCHAN®-TNB Type BHDDV-BS

Combination of two multi-part design coupling hubs with straight brake disk and VkR buffer. Easy replacement of the elastic buffer without axial movement of the coupled machines. Customized hubs and special hub materials are available on request.

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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