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TSCHAN® TNS SDD-5

The TSCHAN® TNS SDD-5 coupling is a torsionally flexible, puncture proof claw coupling with removable intermediate part comprising the claw rings and the buffer ring. 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, and are connected to each other to form an elastic buffer ring. This buffer ring dampens shocks and torsional vibrations and is resistant to oil. Buffer rings made of Perbunan are electrically conductive. The two-parted construction of both coupling halves allows radial mounting and dismounting of the intermediate part. The buffer ring can, therefore, be replaced without having to displace the connected machines. When the intermediate part 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® TNS SDD-5

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metric inch
CAD Identifier Size TKN nmax d1kmin D2 C1 L L2 DG TA Gwub
      Nm 1/min mm mm mm mm mm mm Nm kg
  WS0710 100 130 7250 18 65 49 150 37,5 8 25 5,3
  WS0712 125 250 6000 18 80 56 170 42,5 10 49 8,8
  WS0714 145 400 5250 20 92 60,5 189 44 12 85 13,3
  WS0717 170 630 4500 30 110 74,5 217 58 12 85 19,9
  WS0720 200 1100 3750 35 135 98,5 274 82 14 135 35,3
  WS0723 230 1700 3250 35 160 110 301 90 14 135 52,5
  WS0726 260 2650 3000 45 180 112,5 321 88 16 210 71,5
  WS0730 300 3900 2500 50 200 131,5 376 105 20 425 109,0
  WS0736 360 6500 2150 55 225 172 469 142,5 24 730 179,8
  WS0740 400 8900 1900 55 225 172 469 142,5 24 730 197,7
Identifier Size TKN nmax d1kmin D2 C1 L L2 DG TA Gwub
ft-lbs rpm inch inch inch inch inch mm ft-lbs lbs
WS0710 100 96 7250 0.70866 2.559 1.929 5.906 1.476 8 18 11.68
WS0712 125 184 6000 0.70866 3.150 2.205 6.693 1.673 10 36 19.40
WS0714 145 295 5250 0.7874 3.622 2.382 7.441 1.732 12 63 29.32
WS0717 170 465 4500 1.1811 4.331 2.933 8.543 2.283 12 63 43.87
WS0720 200 811 3750 1.37795 5.315 3.878 10.787 3.228 14 100 77.82
WS0723 230 1254 3250 1.37795 6.299 4.331 11.850 3.543 14 100 115.74
WS0726 260 1955 3000 1.77165 7.087 4.429 12.638 3.465 16 155 157.63
WS0730 300 2877 2500 1.9685 7.874 5.177 14.803 4.134 20 313 240.30
WS0736 360 4794 2150 2.16535 8.858 6.772 18.465 5.610 24 538 396.39
WS0740 400 6564 1900 2.16535 8.858 6.772 18.465 5.610 24 538 435.85

Coupling with flange hub (short), detachable claw rings and intermediate ring TSCHAN®-TNS SDD-5

Notes

  • Standard material for intermediate ring: VkR
  • Installed size L must be maintained without fail. Axial displacement must be taken into account through allowances for value L

General features

  • Torsionally flexible, compensate for angular, radial and axial shaft offset
  • Intermediate rings loaded in compression
  • Elastomers available in various shore hardness degrees
  • Suitable for temperatures from –30°C to +100°C
  • Outer diameter up to 400 mm
  • Bores up to max. 160 mm
  • Torques up to TKn = 13,350 Nm / TKmax = 40,000 Nm
  • Speeds up to nmax = 15,000 rpm

The TSCHAN®-TNS coupling is a torsionally flexible, shock-proof claw coupling. It compensates angular, radial and axial shaft misalignment within specified tolerances.

Elastic intermediate ring

With the TSCHAN®-TNS coupling, the torque is transmitted via a compressed elastic intermediate ring. The elastic intermediate ring absorbs shocks and torsional vibrations, is resistant to oil and largely insensitive to temperature.

Special features

Material

Polyurethane (Vk..) intermediate rings ensure electrical insulation between connected machines as long as there are no other electrically conductive connections. Intermediate rings made of Buna N (Pb) and of grade VkB are normally electrically conductive and can therefore prevent undesirable electrostatic charges.

No torsional vibrations

The torsional elasticity of the intermediate ring allows dangerous torsional vibrations to be transferred from the operational range of the machines to speed ranges in which negative effects are not to be expected.

Reduction in torque shocks

The elastic intermediate rings have a high internal damping characteristic which limits excessive torsional vibrations on reaching dangerous speed ranges, alleviates torque shocks and rapidly eliminates the oscillation stimulated by such shocks. The propagation of structure-borne sound is prevented.

Strength

The strength of different elastomer materials is indicated by their Shore hardness. Elastomers of different strengths are colour-coded for identification. Further details concerning the strength and load capacity are available on request in the technical data sheet.

Temperature

The elastomer materials used here are suitable for ambient temperatures from -30 °C to +100 °C.

Balancing

The coupling is balanced to DIN/ISO 1940, G 6.3 and DIN/ISO 8821 if required. Other qualities are available on request.

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