Servo-hydraulic fatigue test machine
5-25kN bench top system

A standard range of machines where the specifications can be adjusted to meet customer requirements.

 Frame

• Rated up to 25 kN tension & compression.
• Fixed bottom crosshead.
• Movable top crosshead clamped by pinch bolts.
• Actuator mounted on top cross head.
• Two chromed solid steel columns.
• Top and bottom crosshead and feet powder-coated (RAL7035)
• Space between columns: 405mm
• Standard column length: 1200mm.(650mm maximum daylight space).
• Different column lengths available on request.
• Weight, including actuator: 275kg

Actuator

• Mounted on crosshead.
• Capacity options.
  • 2kN
  • 5kN
  • 10kN
    (Actuators dynamically rated for 210 bar supply. Static = Dynamic x 1.5).
  • Built-in excluder seals and dribble lines.
• Standard stroke options:
  • 25mm
  • 50mm
  • 100mm

Servo valve

• Standard servo valve for testing frequencies up to 75Hz.
• High response servo valve for testing frequencies up to 100Hz
  (providing an adequate oil supply is ensured).

Load cell

• Fatigue-rated in line with the specified actuator.
• Can be fitted to the piston rod end or bottom crosshead.

Displacement measurement

• The actuator has an intergral displacement transducer working directly on the rear end of the actuator rod.

Controller

• Si-Plan Digital Control and Data Acquisition System. 

Hydraulic supply

Options

• Frame may be used with a suitable existing hydraulic supply.
• Frame may be purchased with a Si-Plan hydraulic power pack.

Accessories

Accessory options

• Clip gauge.
• Grips
  • Ball nut & ball cup.
  • Flat and round.
  • Wood’s metal pot.
• 400mm² slotted tooling plate to suit M12 T-nuts.