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TSCHAN® TNS SDDL-5

The TSCHAN® TNS SDDL-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 SDDL-5

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metric inch
CAD Identifier Size TKN nmax d1kmax D2 C1 L L2 DG TA Gwub
      Nm 1/min mm mm mm mm mm mm Nm kg
  WS0710-L 100 130 7250 45 65 110 272 98,5 8 25 8,5
  WS0712-L 125 250 6000 55 80 110 278 96,5 10 49 13,1
  WS0714-L 145 400 5250 65 92 110 288 93,5 12 85 18,5
  WS0717-L 170 630 4500 75 110 140 348 123,5 12 85 29,7
  WS0720-L 200 1100 3750 95 135 170 417 153,5 14 135 51,3
  WS0723-L 230 1700 3250 110 160 170 421 150 14 135 71,4
  WS0726-L 260 2650 3000 125 180 210 516 185,5 16 210 110,5
  WS0730-L 300 3900 2500 140 200 210 533 183,5 20 425 147,8
  WS0736-L 360 6500 2150 160 225 250 625 220,5 24 730 228,5
  WS0740-L 400 8900 1900 160 225 250 625 220,5 24 730 246,3
Identifier Size TKN nmax d1kmax D2 C1 L L2 DG TA Gwub
ft-lbs rpm inch inch inch inch inch mm ft-lbs lbs
WS0710-L 100 96 7250 1.772 2.559 4.331 10.709 3.878 8 18 18.74
WS0712-L 125 184 6000 2.165 3.150 4.331 10.945 3.799 10 36 28.88
WS0714-L 145 295 5250 2.559 3.622 4.331 11.339 3.681 12 63 40.79
WS0717-L 170 465 4500 2.953 4.331 5.512 13.701 4.862 12 63 65.48
WS0720-L 200 811 3750 3.740 5.315 6.693 16.417 6.043 14 100 113.10
WS0723-L 230 1254 3250 4.331 6.299 6.693 16.575 5.906 14 100 157.41
WS0726-L 260 1955 3000 4.921 7.087 8.268 20.315 7.303 16 155 243.61
WS0730-L 300 2877 2500 5.512 7.874 8.268 20.984 7.224 20 313 325.84
WS0736-L 360 4794 2150 6.299 8.858 9.843 24.606 8.681 24 538 503.76
WS0740-L 400 6564 1900 6.299 8.858 9.843 24.606 8.681 24 538 543.00

Coupling with flange hub (long), detachable claw rings and intermediate ring TSCHAN®-TNS SDDL-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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