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    Rotary actuator HSH

    Test stand technology

    Our HSH series rotary actuator can be used in any installation position. The output shaft of the rotary actuator has radial and axial hydrostatic bearings. Radial and axial bearing pockets are supplied with pressurized oil via a separate pressure connection. As a result, the output shaft is centered radially and axially between fluid cushions and all metallic contact surfaces are permanently separated from each other by a thin film of fluid. This eliminates wear due to metallic friction in any operating state, even at zero speed compared to hydrodynamic plain bearings.

    In conjunction with highly dynamic control valves and angle of rotation transducers, these actuators are preferably used in controlled systems where disturbance variables such as internal friction and the stick-slip effect must be reduced to a minimum. Furthermore, due to the lack of internal seals, they are ideal for test series with large load cycles where interruption, e.g. due to the replacement of internal seals, is not permitted.

    The HSH series is therefore predestined for use as a servo-hydraulic hydraulic transducer and as a hydraulic tensioning motor in tensioning test benches.

    Tensioningtestbench
    The hydraulic tensioning motor is integrated into a closed tensioning circuit with power feedback. The rotary actuator rotates and is supplied with energy via a multi-path rotary feedthrough, while it applies a static, quasi-static or dynamic torsional moment to the rotating strands in a controlled manner.

    We offer customized solutions for a wide range of applications. Our qualified team will be happy to advise you on design and implementation.

    HSH rotary actuators sizes

    Special designs
    Below you will find our standard versions. Of course, all models can also be individually adapted to your requirements, e.g. higher swivel speed and greater torque. Please send us your specific inquiry.

    • Size
    • Specific torque
      [Nm/bar]
    • Operating pressure
      [bar]
    • Nominal torque
      [Nm]
    • Swivelling angle
      [ degrees° ]
    • Data sheet
    • Technical drawing
    • HSH 1 SG
    • Specific torque
      [Nm/bar]
      1,02
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      286
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 2 SG
    • Specific torque
      [Nm/bar]
      2,05
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      574
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 4 SG
    • Specific torque
      [Nm/bar]
      4,09
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      1145
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 8 SG
    • Specific torque
      [Nm/bar]
      8,16
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      2285
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 16 SG
    • Specific torque
      [Nm/bar]
      16,42
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      4598
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 32 SG
    • Specific torque
      [Nm/bar]
      32,80
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      9184
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 48 SG
    • Specific torque
      [Nm/bar]
      49,17
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      13768
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 64 SG
    • Specific torque
      [Nm/bar]
      65,54
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      18351
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage
    • HSH 128 SG
    • Specific torque
      [Nm/bar]
      130,99
    • Operating pressure
      [bar]
      280
    • Nominal torque
      [Nm]
      36677
    • Swivelling angle
      [ degrees° ]
      120
    • Data sheet Image Image
    • Technical drawingImage

    Test stand technology

    We are also a development partner for

    With our highly dynamic swivel motors and swivel systems from the HSS and HSH series, we provide modern torsion test bench technology with high-quality drive units with maximum power density. However, we not only supply the right swivel motor, but also complete assemblies and are happy to support you with our development department right from the planning phase.

    Contact us

    Product overview

    Rotary actuator HSS
    These drives are preferably used in controlled systems with oscillating swivel movements in the low-frequency range. They close the technological gap between conventional rotary actuators for industrial applications and the HSH series.
    Rotary actuator HSH
    HSH motors are preferably used in highly dynamically controlled systems with oscillating swivel movements in which disturbance variables such as natural friction and the stick-slip effect must be reduced to a minimum and the highest number of load cycles must be achieved.

    We are happy to help you

    Do you have any further questions?

      * Mandatory fields
      Dipl.-Ing. (FH) Rolf WinzenHead of Research & Development
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