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TSCHAN® TKVSG

TSCHAN® TKVSG (SEB-design)

Construction and design acc. to operation sheet of German Steel Iron Industry SEB 666212

Hub and housing of reinforced material - Additional retainer rings improve axial fixing of the barrel by created axial rope forces

TSCHAN® TKVSG

metric inch
CAD Identifier SEB 666212 Size TKmax Frad d1kmax D L D1 H2 FK C
        Nm N mm mm mm mm mm mm mm
  WG7340 SG130 200 31500 48000 140 400 170 200 45 15 360
  WG7342 (*) 300 39000 53000 155 420 175 220 45 15 380
  WG7345 SG140 400 53500 75000 183 450 185 260 60 20 400
  WG7351 (*) 500 91000 118000 210 510 220 295 60 20 460
  WG7355 SG185 600 127000 132000 220 550 240 310 60 20 500
  WG7358 SG200 1000 180000 145000 250 580 260 350 60 20 530
  WG7365 SG240 1500 241000 184000 295 650 315 415 65 25 600
  WG7366 (*) 2100 360000 283000 305 665 330 430 65 25 615
  WG7368 SG270 2600 425000 330000 315 680 350 445 65 25 630
  WG7371 SG315 3400 529000 366000 335 710 380 475 81 35 660
  WG7378 SG355 4200 660000 420000 380 780 410 535 81 35 730
  WG7385 SG400 6200 815000 490000 425 850 450 600 81 35 800
  WG7394 (*) 8200 930000 525000 460 940 500 650 86 40 875
  WG7310 (*) 9200 1100000 550000 490 1025 500 695 86 40 945
  WG7311 (*) 10200 1390000 670000 550 1120 500 780 86 40 1040
CAD Identifier SEB 666212 /Size TKmax Frad d1kmax D L D1 H2 FK C
  ft-lbs lbs inch inch inch inch inch inch inch
  WG7340 SG130 200 23233 10787 5.512 15.748 6.693 7.874 1.772 0.591 14.173
  WG7342 (*) 300 28765 11911 6.102 16.535 6.890 8.661 1.772 0.591 14.961
  WG7345 SG140 400 39460 16855 7.205 17.717 7.283 10.236 2.362 0.787 15.748
  WG7351 (*) 500 67119 26518 8.268 20.079 8.661 11.614 2.362 0.787 18.110
  WG7355 SG185 600 93671 29665 8.661 21.654 9.449 12.205 2.362 0.787 19.685
  WG7358 SG200 1000 132763 32586 9.843 22.835 10.236 13.780 2.362 0.787 20.866
  WG7365 SG240 1500 177754 41351 11.614 25.591 12.402 16.339 2.559 0.984 23.622
  WG7366 (*) 2100 265525 63599 12.008 26.181 12.992 16.929 2.559 0.984 24.213
  WG7368 SG270 2600 313467 74162 12.402 26.772 13.780 17.520 2.559 0.984 24.803
  WG7371 SG315 3400 390175 82252 13.189 27.953 14.961 18.701 3.189 1.378 25.984
  WG7378 SG355 4200 486796 94387 14.961 30.709 16.142 21.063 3.189 1.378 28.740
  WG7385 SG400 6200 601120 110119 16.732 33.465 17.717 23.622 3.189 1.378 31.496
  WG7394 (*) 8200 685940 117984 18.110 37.008 19.685 25.591 3.386 1.575 34.449
  WG7310 (*) 9200 811327 123603 19.291 40.354 19.685 27.362 3.386 1.575 37.205
  WG7311 (*) 10200 1025222 150570 21.654 44.094 19.685 30.709 3.386 1.575 40.945

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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