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TSCHAN® TNM GTW2

Multi-part design brake disc made of nodular graphite iron

The TSCHAN® TNM GTW is an torsionally flexible and shock-proof claw coupling with brake disc and removable claw ring. They compensate for angular as well as radial and axial shaft misalignment within fixed tolerances. The torque is transmitted through an elastic transitional ring. The elastic transitional ring made of Perbunan (Pb) with nitrile rubber as the base material dampens shocks and torsional vibrations, is oil-proof, insensitive to temperature and normally electrically conductive. This prevents undesirable static charging, among other things. The coupling can be used for either direction of rotation and be installed in any position. One coupling half consists of a hub and a bolt on claw ring, for easy separation of the coupled machine. With the claw ring unbolted and slid back, a check of the rotational direction of the drive is possible. In the same manner, a coupling half with the associated aggregate can be removed radially. The elastic transitional ring permits replacing of machines without axial displacement

TSCHAN® TNM GTW

CAD data download is available after login.
metric inch
CAD Identifier A SB TKNPb82 TBR nmax d1kmax d2kmax C1 C2 L Gwub
    mm mm Nm Nm 1/min mm mm mm mm mm kg
  WN0411-250 250 12,7 230 450 4580 42 46 60 58 133 8,8
  WN0411-300 300 12,7 230 450 3820 42 46 60 58 133 11,7
  WN0412-300 300 12,7 380 550 3820 52 53 70 68 154 14,6
  WN0414-300 300 12,7 600 1000 3820 58 65 80 78 176 18,4
  WN0416-356 356 12,7 980 1600 3225 72 75 90 87 198 28,0
  WN0416-406 406 12,7 980 1600 2825 72 75 90 87 198 31,0
  WN0419-406 406 12,7 1650 2750 2825 85 85 100 97 221 39,1
  WN0419-457 457 12,7 1650 2750 2510 85 85 100 97 221 44,0
  WN0421-406 406 12,7 2400 3350 2825 92 95 110 107 243 48,8
  WN0421-514 514 12,7 2400 3350 2510 92 95 110 107 243 53,6
  WN0424-457 457 12,7 3700 4200 2510 102 100 120 117 267 67,0
  WN0424-514 514 12,7 3700 4200 2230 102 100 120 117 267 72,0
  WN0426-457 457 12,7 5800 8700 2510 120 115 140 137 310 89,4
  WN0426-514 514 12,7 5800 8700 2230 120 115 140 137 310 94,2
  WN0429-514 514 12,7 7550 9800 2230 130 130 150 147 334 113,5
  WN0429-610 610 12,7 7550 9800 1880 130 130 150 147 334 124,5
  WN0433-514 514 12,7 9900 10600 2230 150 135 160 156 356 149,3
  WN0433-610 610 12,7 9900 10600 1880 150 135 160 156 356 160,3
  WN0437-610 610 12,7 14000 13500 1880 170 160 180 176 399 212,7
  WN0437-711 711 12,7 14000 13500 1615 170 160 180 176 399 227,9
  WN0441-610 610 12,7 20500 16000 1880 185 180 200 196 441 279,5
  WN0441-711 711 12,7 20500 16000 1615 185 180 200 196 441 294,3
  WN0441-812 812 12,7 20500 16000 1410 185 180 200 196 441 326,4
  WN0441-915 915 12,7 20500 16000 1255 185 180 200 196 441 356,8
Identifier A SB TKNPb82 TBR nmax d1kmax d2kmax C1 C2 L Gwub
inch inch ft-lbs ft-lbs rpm inch inch inch inch inch lbs
WN0411-250 9.843 0.50 170 332 4580 1.65354 1.81102 2.362 2.283 5.236 19.40
WN0411-300 11.811 0.50 170 332 3820 1.65354 1.81102 2.362 2.283 5.236 25.79
WN0412-300 11.811 0.50 280 406 3820 2.04724 2.08661 2.756 2.677 6.063 32.19
WN0414-300 11.811 0.50 443 738 3820 2.28346 2.55905 3.150 3.071 6.929 40.57
WN0416-356 14.016 0.50 723 1180 3225 2.83464 2.95275 3.543 3.425 7.795 61.73
WN0416-406 15.984 0.50 723 1180 2825 2.83464 2.95275 3.543 3.425 7.795 68.34
WN0419-406 15.984 0.50 1217 2028 2825 3.34645 3.34645 3.937 3.819 8.701 86.20
WN0419-457 17.992 0.50 1217 2028 2510 3.34645 3.34645 3.937 3.819 8.701 97.00
WN0421-406 15.984 0.50 1770 2471 2825 3.62204 3.74015 4.331 4.213 9.567 107.59
WN0421-514 20.236 0.50 1770 2471 2510 3.62204 3.74015 4.331 4.213 9.567 118.17
WN0424-457 17.992 0.50 2729 3098 2510 4.01574 3.937 4.724 4.606 10.512 147.71
WN0424-514 20.236 0.50 2729 3098 2230 4.01574 3.937 4.724 4.606 10.512 158.73
WN0426-457 17.992 0.50 4278 6417 2510 4.7244 4.52755 5.512 5.394 12.205 197.09
WN0426-514 20.236 0.50 4278 6417 2230 4.7244 4.52755 5.512 5.394 12.205 207.68
WN0429-514 20.236 0.50 5569 7228 2230 5.1181 5.1181 5.906 5.787 13.150 250.22
WN0429-610 24.016 0.50 5569 7228 1880 5.1181 5.1181 5.906 5.787 13.150 274.48
WN0433-514 20.236 0.50 7302 7818 2230 5.9055 5.31495 6.299 6.142 14.016 329.15
WN0433-610 24.016 0.50 7302 7818 1880 5.9055 5.31495 6.299 6.142 14.016 353.40
WN0437-610 24.016 0.50 10326 9957 1880 6.6929 6.2992 7.087 6.929 15.709 468.92
WN0437-711 27.992 0.50 10326 9957 1615 6.6929 6.2992 7.087 6.929 15.709 502.43
WN0441-610 24.016 0.50 15120 11801 1880 7.28345 7.0866 7.874 7.717 17.362 616.19
WN0441-711 27.992 0.50 15120 11801 1615 7.28345 7.0866 7.874 7.717 17.362 648.82
WN0441-812 31.968 0.50 15120 11801 1410 7.28345 7.0866 7.874 7.717 17.362 719.59
WN0441-915 36.024 0.50 15120 11801 1255 7.28345 7.0866 7.874 7.717 17.362 786.61

TSCHAN® TNM GTW

Multi-part design, to change the intermediate ring without axial movement of the driven parts with brake disk in nodular cast iron. Elastic intermediate ring in different hardnesses: standard Pb72, hard Pb82.

General features

  • Torsionally flexible, compensate for angular, radial and axial shaft misalignment
  • Intermediate rings loaded in compression
  • Elastomers available in various shore hardness degrees
  • Suitable for temperatures from –30°C to +100°C
  • The elastic ring can be replaced without having to move the coupled machines (multi-part models)
  • Bores up to max. 280 mm
  • Torques up to TKn = 41,000 Nm / TKmax = 97,500 Nm
  • Speeds up to nmax = 5,000 rpm

INTRODUCTION

The rotationally resilient coupling of the TSCHAN® TNM 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 intermediate rings 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

Synthetic rubbers are used as base material for the elastic elements of the TNM couplings. As a rule these are electrically conductive and therefore prevent undesirable static charges. For the elastic elements of the TSCHAN® TNM coupling series, there are two different material hardnesses available as standard.

  1. Perbunan (Pb 72) with nitrile rubber (NBR) as the basic material and a hardness of 72 Shore A.
  2. Perbunan (Pb 82) with nitrile rubber (NBR) as the basic material and a hardness of 82 Shore A.

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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