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Tschan shaft couplings

80 years experience in torsionally rigid couplings, elastic and high-flex couplings.

ATB Automation supplies torsionally rigid couplings, elastomer and high-flexible shaft couplings in the Benelux. Competence advice and extensive service, provides the basis for both the technical and also the commercial optimization of the entire drive system.

Overview Tschan shaft couplings

Tschan elastomer shaft couplings

The Tschan elastomer shaft coupling reduces torque shocks and compensates angular, radial and axial shaft misalignments. Also available with flange, hub, brake drum, brake disc, etc.

  • Tschan Rollastic elastomer coupling

    Flexible elastomer coupling designed for use on the output shaft of gear units.

    - 8 sizes of 65 up to 300 mm.
    - For torques of 40 up to 80.000 Nm.
    - With bores up to 105 mm.
    - Suitable for use at ambient temperature up to 80°C.
    - The coupling compensates longitudinal, transvers and angular displacements of shafts.
    - Axial mounted elastomeric buffers (VK), replaceable without axial disassembly of the coupling.
    - Coupling running through, at outburst of the buffer.

    » Download Tschan Rollastic catalog

  • Tschan-B elastomer claw coupling

    Puncture proof steel claw coupling with radially arranged buffers for high torque levels and high revolutions. Buffers can be easily changed when installed, using radial extension.

    - Compensates angular, radial and axial shaft misalignments.
    - Radial mounted elastomeric buffers (VKR or Pb82), replaceable without axial disassembly of the coupling.
    - Reduces torque shocks.
    - 12 sizes of 240 up to 900 mm.
    - Torque of 2,500 up to 55,000 Nm
    - Bores up to 400 mm.
    - Various options:

    • Reinforced hub (BHHD)
    • Brake drum (BS)
    • Combinations of the above mentioned options
    » Download Tschan-B catalog
  • Tschan Normex elastomer claw coupling

    Puncture proof steel claw coupling, with elastic intermediate ring for absorbing torque peaks.

    - 13 sizes of 50 up to 400 mm.
    - Torque of 0.6 up to 40000 Nm.
    - Bores up to 160 mm.
    - ATEX version.
    - Oil resistant.
    - Withstands temperatures between -30°C to +100°C.
    - Various options:

    • Extented hub (S-LSt)
    • Detachable claw ring (SD-5)
    • Torque-limiting friction coupling (SX)
    • Brake drum (S-BT)
    • Solid brake disc (S-BS)
    • Internal ventilated brake disc (S-BSV)
    • Combinations of the above mentioned options
    » Download Tschan Normex catalogus
  • Tschan-S flexible elastomer claw coupling

    Puncture proof steel claw coupling, with elastic intermediate ring for absorbing torque peaks.

    - 13 sizes of 50 up to 400 mm.
    - Torque of 0.6 up to 40000 Nm.
    - Bores up to 160 mm.
    - ATEX version.
    - Oil resistant.
    - Withstands temperatures between -30°C to +100°C.
    - Various options:

    • Extented hub (S-LSt)
    • Detachable claw ring (SD-5)
    • Torque-limiting friction coupling (SX)
    • Brake drum (S-BT)
    • Solid brake disc (S-BS)
    • Internal ventilated brake disc (S-BSV)
    • Combinations of the above mentioned options
    » Download Tschan-S catalog

High flexibel elastomer couplings

Flywheel couplings with flanges according to SAE J 620. Suitable for high loads. Mainly for application in diesel engines and high loads.

  • Tschan TNR high-flexible coupling

    Torsional highflex upstream coupling for universal joint connection, with its dynamic characteristics the coupling can selectively be adjusted over a wide range while maintaining its overall dimensions. Suitable for use between diesel engines and generators.

    - High reduction of torque shock peaks with very high loads.
    - SAE J 620 connection sizes of 6.5 up to 24.
    - Torque of 160 up to 13,600 Nm.
    - Bores up to 22mm.

    » Download Tschan TRN catalog

Torsionally rigid couplings

Tschan torsionally rigid coupling with torque transmission free from rotational backlash and compensation of shaft misalignment. No absorbing.

  • Tschan Posiflex cardanic tooth gear coupling

    All metal torsionally rigid tooth gear coupling for in the heavy machinery. Thanks to the radius in the teeth, angle, radial and axial misalignment can be compensated. Provided with grease lubrication.

    - 14 sizes from 111 to 640 mm.
    - Torque from 1,300 to 580,000 Nm.
    - Bores up to 320 mm.
    -Various options tooth gear couplings:

    • Extended hub
    • Sliding hub
    • With shaft
    • Brake disc (BS)
    • Brake drum (BT)
    • Special version for vertical transmission
    » Download Tschan Posiflex catalog
  • Tschan barrel coupling

    Barrel couplings are deployed in cranes and lifting equipment to connect the winches on the gearboxes. All metal torsionally rigid arc tooth coupling for the heavy machinery.

    - Thanks to the radius in the teeth, angle, radial and axial misalignment are compensated.
    - Provided with grease lubrication.
    - 16 sizes from 250 to 850 mm.
    - Torque from 4,500 to 685,000 Nm.
    - Bores up to 400 mm.

    » Download Tschan barrel coupling catalog

  • Tschan Posimin PHP torsionally rigid multi-disc coupling

    All metal coupling with pre-stress sandwich steel disc packs. Very compact and maintenance free. Suitable for very high torque (up to 200,000 Nm) and high speeds (Posimin High Power).

    - Backlash free torque transmission.
    - The ANTI-FLY construction prevents flying away of the spacer when the disc pack breaks due to overload.
    - Easy to assemble.
    - 9 sizes of 162 up to 516 mm (disc diameter).
    - Torque of 2,550 up to 200,000 Nm.
    - Bores up to 270 mm.

    » Download Tschan Posimin PHP catalog

  • Tschan Posimin torsionally rigid multi-disc coupling

    All-metal maintenance free coupling with pre-stress sandwich steel disc packs for backlash free torque transmission.

    - Easy to assemble.
    - 20 sizes of 69 up to 645 mm (disc diameter).
    - Torque of 80 up to 144.000 Nm.
    - Bores up to 325 mm.
    - ATEX version.
    - Various options:

    • Free removable spacer (NZN)
    • With shrink disc
    • Short-form building
    • Flange mounting (NZF)
    • Removable radial shaft (NN-NN)
    » Download Tschan Posimin catalog
  • Quick response, short lines
  • Renowned manufacturers
  • Profound product knowledge
  • High reliability

We supply slewing ring bearings, oscillating mountings, tensioner devices from stock and we also have spiral bevel gearboxes, servo gears and electromechanical actuators in our delivery program.


In addition we also select and offer the right components and systems for motion control solutions, such as servo gear motors, linear servo actuators and complete XYZ cartesian systems.

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