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GERWAH® Torsionally Rigid Disc Couplings with bore and keyway hub design, Series HS

Coupling without spacer

Multiple-disc coupling for compensating of axial and angular misalignments

Versions with 2 disc packs can also be used to compensate for radial misalignments.

GERWAH® HS

metric inch
CAD Size d1max A D1 L1 L2 TKN TL nmax ΔKa ΔKw
    mm mm mm mm mm Nm Nm 1/min mm Grad
  17 35 70,5 47 86,5 39,5 170 8 8400 0,5 1
  32 45 88 62,5 98,8 45 320 14 6800 0,6 1
  75 60 116,5 82 120,4 55 750 31 5400 0,8 1
  135 70 140,5 98 132 60 1350 62 4600 1 1
  240 90 166,5 118 163 75 2400 110 3800 1,2 1
  400 100 198,5 141 195 90 4000 180 3400 1,4 1
  650 120 238 169 270,8 125 6500 280 3000 1,7 1
  1100 120 238 169 272,2 125 11000 320 3000 1,2 0,7
  2100 150 295 205 348 160 21000 570 2500 1,1 0,5
  3600 180 345 254 432,2 200 36000 1000 2100 1,3 0,5
CAD Size d1max A D1 L1 L2 TKN TL nmax ΔKa ΔKw
  inch inch inch inch inch ft-lbs ft-lbs rpm inch degree
  17 1.4 2.78 2.00 3.4 1.56 125 6 8400 0.02 1
  32 1.8 3.46 2.50 3.9 1.77 236 10 6800 0.02 1
  75 2.4 4.53 3.20 4.7 2.17 553 23 5400 0.03 1
  135 2.8 5.53 3.90 5.2 2.36 995 46 4600 0.04 1
  240 3.5 6.56 4.60 6.4 2.95 1769 81 3800 0.05 1
  400 4.3 7.81 5.60 7.7 3.54 2948 133 3400 0.06 1
  650 4.7 9.37 7.00 10.7 4.92 4791 207 3000 0.07 1
  1100 4.7 9.37 6.65 10.7 4.92 8107 263 3000 0.05 0.7
  2100 5.9 11.61 8.00 13.7 6.30 15477 421 2500 0.04 0.5
  3600 7.1 13.58 10.00 17.0 7.87 26532 739 2100 0.05 0.5

GERWAH® HS, HD and HC: The advantages of the system

1. No tooth backlash

  • An important property for synchronous operation or for machines that are frequently used in start/stop or reverse operation. GERWAH® couplings are ideally suited to applications in which the positioning accuracy of the control system in both directions is important.
  • 2. Torsional stiffness

  • The design of the coupling guarantees a high level of torsional stiffness, which is an important property for applications in packaging machines, servomotors drives, printing presses and machine tools.
  • 3. High temperatures

  • GERWAH® couplings can be used under extreme temperature conditions up to 240 °C/460 °F, e.g. in high-temperature fluid pumps.
  • 4. High speeds

  • Due to the very strict production tolerances, GERWAH® allows precise vertical alignment and a high level of true running accuracy, making it ideal for applications involving high speeds even with irregular rotary forces.
  • 5. High service life

  • The highly accurate disc pack insures optimum force distribution, while its flexibility also protects against vibrations from the drive. GERWAH® couplings do not wear, so that a long service life is guaranteed
  • 6. Maintenance-free operation

  • GERWAH® couplings are maintenance-free and do not require greasing or cleaning
  • Characteristics
    Mounting with key GERWAH® HS, HD, HC

    Multiple-disc coupling for compensating of axial and angular misalignments.
    Versions with 2 disc packs can also be used to compensate for radial misalignments.

    • High torsional stiffness
    • High transmissible torques
    • Can be used up to temperatures of approx. 240 °C/460 °F
    • Maintenance-free operation
    • Attachment of the coupling to the shafts with keys

    Non-standard spacers
    Many applications for GERWAH® couplings require special spacer lengths and dimensions. We can supply spacers with lengths of up to 5m.

    Higher rotational speeds and/or special couplings
    A coupling sometimes needs to fulfil certain industrial safety standards or is operated at very high rotational speeds. We can also provide solutions for this.

    GERWAH® HS

    • Coupling without spacer

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