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TSCHAN® TNB BHDV

Combination one-part/multi-part with VKR buffers - Claw ring can be pushed back for checking the direction of rotation

The TSCHAN® TNB BHDV 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 compression. 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. Buffers made of perbunan are electrically conductive. One of the coupling halves consists of a flange hub to which a claw ring is bolted. When the claw ring is removed, 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 BHDV

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metric inch
CAD Identifier TKN nmax d1f max d2f max D1 D4 C1 C2 L Gwub
    Nm 1/min mm mm mm mm mm mm mm kg
  WB0330 6000 3300 127 104,8 300 170 160 160 330 101
  WB0335 10500 2800 146,1 114,3 350 180 180 180 370 140
  WB0340 16000 2450 165,1 130,2 400 210 198 190 398 204
  WB0345 21000 2200 184,2 158,8 450 250 218 200 428 269
  WB0350 35000 2000 196,9 165,1 500 270 236,5 228 478,5 370
  WB0355 45000 1800 217,5 184,2 550 280 256,5 228 498,5 443
  WB0360 55000 1650 228,6 212,73 600 330 258 258 530 578
  WB0365 65000 1500 228,6 228,6 650 350 286,5 258 558,5 695
  WB0370 90000 1400 263,6 228,6 700 370 327 298 639 939
  WB0380 120000 1200 292,1 279,4 800 450 357 338 709 1316
  WB0390 180000 1100 330,2 304,8 900 480 407 338 759 1695
Identifier TKN nmax d1f max d2f max D1 D4 C1 C2 L Gwub
ft-lbs rpm inch inch inch inch inch inch inch lbs
WB0330 4425 3300 5.000 4.126 11.811 6.693 6.299 6.299 12.992 222.67
WB0335 7744 2800 5.752 4.500 13.780 7.087 7.087 7.087 14.567 308.65
WB0340 11801 2450 6.500 5.126 15.748 8.268 7.795 7.480 15.669 449.74
WB0345 15489 2200 7.252 6.252 17.717 9.843 8.583 7.874 16.850 593.04
WB0350 25815 2000 7.752 6.500 19.685 10.630 9.311 8.976 18.839 815.71
WB0355 33191 1800 8.563 7.252 21.654 11.024 10.098 8.976 19.626 976.65
WB0360 40566 1650 9.000 8.375 23.622 12.992 10.157 10.157 20.866 1274.27
WB0365 47942 1500 9.000 9.000 25.591 13.780 11.280 10.157 21.988 1532.21
WB0370 66381 1400 10.378 9.000 27.559 14.567 12.874 11.732 25.157 2070.14
WB0380 88508 1200 11.500 11.000 31.496 17.717 14.055 13.307 27.913 2901.29
WB0390 132763 1100 13.000 12.000 35.433 18.898 16.024 13.307 29.882 3736.84

TSCHAN®-TNB Type BHDV

For short shaft distances, a combination of an one one-part design and a multi-part design coupling hub 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 TRANMSSION 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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