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Component test
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Servo-hydraulic
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Second user

Test ancillaries


Servo-control
Data acquisition
Hydraulics
Specimen fixing
Environmental

Measurement


Displacement
Gas flow

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Strain gauge
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Miscellaneous


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Quality


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Servo-hydraulic fatigue test machines

25kN - 50kN - 100kN
Actuator
Capacity options:
  • 25kN
  • 50kN
  • 100kN
    Dynamically rated for 210 bar supply allowing a Dp = 70 bar across the servo valve (static = dynamic x 1.5).
  • Built-in excluder seals and dribble lines.

    Stroke options:
  • 25mm
  • 50mm
  • 100mm
    Servo valve
  • Standard servo valve for testing frequencies up to 70 Hz.
  • High response servo valve for testing frequencies up to 100 Hz
    (providing an adequate oil supply is ensured).
    Load cell
    The load cell is fitted to the top crosshead and is fatigue-rated in line with the specified actuator.
    Displacement measurement
    The actuator has an integral displacement transducer.
    Frame
  • Fixed central crosshead mounting the servo actuator.
  • Movable top crosshead clamped by pinch bolts.
  • Two 100mm diameter chromed solid steel columns.
  • Standard column length: 2200mm.
    (1100mm maximum daylight space).
  • Clearance between columns: 500mm
  • Different column lengths available on request.
    Controller
    Controller options:
  • Digital controller based on an embedded RISC processor with a PC with Windows-based software as user interface. (See Digital Controller data sheet.)
  • 50kN servo-hydraulic test machine fitted with optional hydraulic side rams to move the top crosshead.
    Hydraulic supply
    Options:
  • Frame may be used with a suitable existing hydraulic supply.
  • Frame may be purchased with a Si-Plan hydraulic power pack. (See Hydraulic Power Pack data sheet.)
  • Si-Plan 20 litre/minute fixed delivery hydraulic power pack with air blast cooling.

    Accessory options
  • Second load cell with range suitable for low load work.
  • Grips - Ball nut and ball cup.
    - Plate.
    - Wood's metal pot.
  • Extensometers:
    - room temperature.
    - high temperature.
  • Clip gauge.
  • Furnace.
  • Hydraulic clamping and unclamping of crosshead.
  • Hydraulic side rams to move the top crosshead ( illustrated in green, right ).


  • Si-Plan logo

    Si-Plan Electronics Research Ltd, Avenue Farm Industrial Estate,
    Birmingham Road, Stratford-upon-Avon, CV37 0HR, UK
    Tel International: +44 1789 205849 | Tel UK: 01789 205849
    Fax International: +44 1789 415550 | Fax UK: 01789 415550
    www.si-plan.com
    enquiries@si-plan.com

    Si-Plan ISO 9001:2000