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TSCHAN® TKV

TSCHAN® TKV of reinforced-material

Power improved design

Proven design, hub and housing of reinforced material to transmit higher torque and higher radial load by same designed space

TSCHAN® TKV

metric inch
CAD Identifier Size TKmax Frad d1kmax D L Lmin D1 H2 FK C
      Nm N mm mm mm mm mm mm mm mm
  WG7125 25 6500 17500 66 250 95 85 95 42 12 220
  WG7128 50 8400 20000 77 280 100 85 110 42 12 250
  WG7132 75 10500 21500 88 320 110 95 125 45 15 280
  WG7134 100 16000 28000 98 340 125 95 140 45 15 300
  WG7136 130 21500 37000 112 360 130 95 160 45 15 320
  WG7138 160 27000 42500 126 380 145 95 180 45 15 340
  WG7140 200 31500 48000 140 400 170 95 200 45 15 360
  WG7142 300 39000 53000 155 420 175 95 220 45 15 380
  WG7145 400 53500 75000 183 450 185 120 260 60 20 400
  WG7151 500 91000 118000 210 510 220 125 295 60 20 460
  WG7155 600 127000 132000 220 550 240 125 310 60 20 500
  WG7158 1000 180000 145000 250 580 260 130 350 60 20 530
  WG7165 1500 241000 184000 295 650 315 140 415 65 25 600
  WG7166 2100 360000 283000 305 665 330 145 430 65 25 615
  WG7168 2600 425000 330000 315 680 350 145 445 65 25 630
  WG7171 3400 529000 366000 335 710 380 165 475 81 35 660
  WG7178 4200 660000 420000 380 780 410 165 535 81 35 730
  WG7185 6200 815000 490000 425 850 450 165 600 81 35 800
CAD Identifier Size TKmax Frad d1kmax D L Lmin D1 H2 FK C
  ft-lbs lbs inch inch inch inch inch inch inch inch
  WG7125 25 4794 3933 2.598 9.843 3.740 3.346 3.740 1.654 0.472 8.661
  WG7128 50 6196 4495 3.031 11.024 3.937 3.346 4.331 1.654 0.472 9.843
  WG7132 75 7744 4832 3.465 12.598 4.331 3.740 4.921 1.772 0.591 11.024
  WG7134 100 11801 6292 3.858 13.386 4.921 3.740 5.512 1.772 0.591 11.811
  WG7136 130 15858 8315 4.409 14.173 5.118 3.740 6.299 1.772 0.591 12.598
  WG7138 160 19914 9551 4.961 14.961 5.709 3.740 7.087 1.772 0.591 13.386
  WG7140 200 23233 10787 5.512 15.748 6.693 3.740 7.874 1.772 0.591 14.173
  WG7142 300 28765 11911 6.102 16.535 6.890 3.740 8.661 1.772 0.591 14.961
  WG7145 400 39460 16855 7.205 17.717 7.283 4.724 10.236 2.362 0.787 15.748
  WG7151 500 67119 26518 8.268 20.079 8.661 4.921 11.614 2.362 0.787 18.110
  WG7155 600 93671 29665 8.661 21.654 9.449 4.921 12.205 2.362 0.787 19.685
  WG7158 1000 132763 32586 9.843 22.835 10.236 5.118 13.780 2.362 0.787 20.866
  WG7165 1500 177754 41351 11.614 25.591 12.402 5.512 16.339 2.559 0.984 23.622
  WG7166 2100 265525 63599 12.008 26.181 12.992 5.709 16.929 2.559 0.984 24.213
  WG7168 2600 313467 74162 12.402 26.772 13.780 5.709 17.520 2.559 0.984 24.803
  WG7171 3400 390175 82252 13.189 27.953 14.961 6.496 18.701 3.189 1.378 25.984
  WG7178 4200 486796 94387 14.961 30.709 16.142 6.496 21.063 3.189 1.378 28.740
  WG7185 6200 601120 110119 16.732 33.465 17.717 6.496 23.622 3.189 1.378 31.496

General features

  • Torsionally rigid, compensate for angular and axial shaft misalignment
  • Torque transmission by hardened steel rollers
  • For use in crane/ hoist applications to support the rope drum
  • Outer diameters up to 850 mm
  • Wear indication
  • Bores up to 400 mm
  • Torques up to TKmax = 685,000 Nm

FEATURES AND APPLICATIONS

TSCHAN TK barrel couplings are recommended for installation in crane lifting mechanisms, to connect the cable drum with the gearbox output shaft, as well as in winch conveyors and platform hoists. By selecting the coupling size (Table 1a/1b in the catalogue), it is necessery to consider the radial load (ST(N)), the dimension of the gearbox shaft (d min – d max) and especially the transmission torque (T) with the operating factor (K1) in Table 3 in the catalogue).

Rigid Connection

When the gearbox output shaft is rigidly connected to the drum in a lifting mechanism, this results in three support points, which is statically indeterminate case (Fig. 1). This type of mounting requires special care in alignment and levelling, which is difficult to achieve in practice. Mounting inaccuracies, as well as deformation in structures and wear in moving parts, lead to enormous additional forces, above all in the gearbox output shaft. These forces occur in alternating bending loads and can lead to shaft breakage and severe damage to bearings and gears.

Barrel Coupling

In the recommended mounting Fig. 2, the barrel coupling, which is installed between the gearbox and cable drum, performs the function of an articulated joint, thus making the connection statically determinate and avoiding the occurrence of high bending moments.

Mounting of the barrel coupling in a lifting mechanism.

Fig.3 shows the mounting of the barrel coupling in a lifting mechanism. Considering the fact that this coupling allows axial displacement, a self-adjusting bearing must be mounted, fixed laterally, at the opposite end of the drum shaft in order to withstand the axial forces that may be genarated. In special applications, the barrel coupling can be disigned as an articulated joint that withstands axial forces by itself.

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