Shimadzu-Air-Servo ADT (Model:A Series)

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Compact Pneumatic Fatigue/Endurance Testing System

Up till now, fatigue/endurance testing systems were mainly operated by hydraulic power. However, in recent years, there has been an increasing demand for use of small-capacity testing systems in clean environments such as laboratories.
In response to this call, Shimadzu has developed the "Air-Servo" testing system that uses pneumatic force as its driving source. The Air-Servo features excellent waveform reproducibility in spite of its compact capacity and is environmentally-friendly.

[Features]

  • Environmentally-Friendly
    The actuator*1 is driven by air-driven servo valves*2 so the surrounding area is not contaminated.
    What's more, since air pressure is less than 1 MPa, this testing system is excluded from high-pressure gas protective legislation and applications not need to be submitted as such a system.
  • Testing Possible in Low Test Force Region
    The Air-Servo demonstrates small friction owing to use of pneumatic bearings, which means that excellent waveform reproducibility is achieved in the low test force region that has been considered difficult with hydraulic power.
  • Precision Control Reproduced
    In conventional systems that use pneumatic cylinders, precision control has been difficult by ON/OFF control of solenoid valves. The air servo, however, uses the Air-Servo valve *2 to achieve servo control and enable testing to high precision.
  • Simple Maintenance
    Replacement of operating fluid and disposal of waste oil, such as in hydraulic systems, is not required.
  • Wide Range of Software Applications Supported
    Supports the wide range of software applications provided by Shimadzu for fatigue/endurance testing systems.

    *1, *2 Patent pending

Principle of Operation of Air Servo
Compressed air from the air supply is fed to the actuator via the servo valve. The test force and displacement, on the other hand, applied on the specimen is detected by respective load cells and displacement gauges, and sent as electrical signals from the controller to the servo valve.
This controls the flowrate of the compressed air to the actuator to generate dynamic test force.
The actuator uses a pneumatic bearing mechanism, which reduces friction and improves control performance.

[Specifications]

Combination with 4830 controller (Can also be combined with 4890 controller)

50 Hz
region*
Type ADT-
AV01K1S5
ADT-
AV02K1S5
ADT-
AV05K1S5
ADT-
AV10K1S5
Part No. 346-
72823-01
346-
72823-02
346-
72823-05
346-
72823-10
60 Hz
region*
Type ADT-
AV01K1S6
ADT-
AV02K1S6
ADT-
AV05K1S6
ADT-
AV10K1S6
Part No. 346-
72823-11
346-
72823-12
346-
72823-15
346-
72823-20
Max. test force ±1 kN ±2 kN ±5 kN ±10 kN
Piston stroke ±25 mm
Controller 4830 Controller
Control target Test force, stroke (2 extra units can be added on as an option.)
Test force Range
Indication precision
Rangeless
Within ±0.5 % of indicated value or within ±0.02 % of maximum test force
Stroke Range
Indication precision
Rangeless
Within ±1 % of indicated value or within ±0.1 % of rating
Frame rigidity 0.0067 mm/kN (at 300 mm between crosshead and table)
Frame drive function Manual drive/clamp system
Test space Support spacing 460 mm, approx. 255 to 685 mm between crosshead and table
Air supply (compressor) 200/220 V 3-phase, 2.2 kW
built-in air drier (240 L/min)
200/220 V 3-phase, 3.7 kW
built-in air drier (440 L/min)
Air supply noise value 63 db(A) (This value sometimes changes depending on the installation environment.)
Air supply port One-touch coupler for 10" dia. nylon tube
Instrument weight Approx. 230 kg Approx. 235 kg Approx. 240 kg Approx. 245 kg
Compressor weight Approx. 162 kg Approx. 162 kg Approx. 174 kg Approx. 174 kg
Power requirements 100 V, single-phase
200/220 V, 3-phase
400 VA
2.8 kVA 5 kVA
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