Materials Testing, Cement Equipment, Tensile Steel Test, Universal Devices, blaine finesses, mortar mixer, vicat, le Chatelier, jolting table, Langavant, EN-12390, EN-10002-1, EN-196, ASTM C-305, Quality Control Projects

UFIB-250 FOR DYNAMIC TESTING

Servohydraulic UFIB-250 Servohydraulic UFIB-250 Ibertest Internacional

SERVOHYDRAULIC MACHINE UFIB-250

Standards: ISO 7500, E.T. 03.360.578.3

Designed for Materials Dynamic Testing
SPECIFICATIONS
  • Capacity: +/- 250 kN.
  • Load measuring range: From 2.5 to 250 kN.
  • Class 0,5 or 1 according to ISO 7500.
  • Free distance between columns: 420 mm.
  • Vertical clearance between plates:0–500 mm.
  • Piston stroke: + 100 mm (200 mm total)
  • Approx. maximum height:1100 x 900 x2375 mm (wxdxh)
  • Approx. Weight: 1800 kg.
  • Dimensions of the concrete slab for the foundation: 1000 x 1000 x 300 (h) mm.
  • Maximum working frequency: 10 Hz (with +/- 1,5 mm of amplitude).
  • Speed constant: 15
  • Type of servocontrol: load and stroke, selected by the user (regulating amplitude in kN or mm)
  • Optionally, strain servocontrol , if the accessories or fitted elements are available.
  • Type of selected functions: ramp, sine, saw tooth and square-waveform.

GENERAL DESCRIPTION

This machine is designed to make the following materials tests, among others, tests over leaned light plates for fastening, according to Spanish Railways infrastructures administrator standard E.T. 03.360.578.3:

  • Resistance under lateral load: 85 kN during 30 s.
  • Impact strength under lateral load: 3 mm displacement, speed 15 mm/s.
  • Fatigue strength under lateral load: 100.000 cycles, square-wave. Amplitude 5 - 45 kN. Frequency: 5 Hz.

Two high stiffness column testing frame, with an upper crosshead adjustable in height by means of lateral hydraulic jaws, complemented by a hydraulic and automatic locking/unlocking system controlled from the machine computer keyboard

The lower plate of the testing frame is mounted on the metallic bedplate manufactured by means of UPN type profiles.

The double effect and double acting symmetrical chambers hydraulic servo cylinder is mounted over the lower plate.

The fatigue load cell (tensile-compression testing) for +/- 250 kN maximum capacity is mounted on the upper crosshead.

The tools, which allow the testing devices interchange ability by means of attaching iron pins, are serial mounted over the load cell.

These materials testing devices can be tensile gripping heads, compression plates, bending tools, special devices, etc.

SERVO VALVE

High response servo valve with Qn = 65 l/min. Main specifications as follows:
  • Maximum working pressure in continuous
    working: 280 Bar.
  • Temperature working range: Between -30 ºC
    and 120 ºC
  • Hysteresis: Lower than 3%
It has high and low pressure accumulators to avoid water hammer beats and so improve the dynamic answer of the system.

MAGNETOESTRICTIVE TRANSDUCER MOD. SSI

Located inside the dynamic servo-cylinder. Its main responsibility is to real time control the piston position to obtain the order parameter when the machine works with “displacement” servo control.
  • Maximum stroke: 200 mm (+ 100 mm)
  • Resolution: 0,001 mm.
  • Linearity: + 0,05% to bottom of scale.
  • Repeatability: + 0,01% to bottom of scale.
  • Hysteresis < 0,07 mm.
  • Working temperature: From -10º C to +70º C.
  • Estimated working life: Higher than 4 millions of hours

SERVO CYLINDER

The servo cylinder is a double effect and double
acting symmetrical chambers unit with anti-turning
system.
The servo cylinder has the following main specifications:
  • Hard Chromium and grinded finished piston
    and rods.
  • Union joints and guides for piston between
    chambers and rods, manufactured from
    special materials with low abrasion and
    scoring which minimizes hysteresis and
    friction effects.
Inside a magneto restrictive transducer, model SSI is
mounted in coaxial situation to the piston.

LOAD CELL

The fatigue tensile/compression load cell can reach up
to loads of 300% nominal load.
  • Output signal: 2 mV/V
  • Band of static error: + 0,05%
  • No linearity in % of end of scale: 0,05%
  • Hysteresis in % of end of scale: 0,03%
  • No repeatability in % of end of scale: 0,02%
  • Tensile-compression symmetry in % of end of
    scale: + 0,1%
  • Compensation in temperature: between: -15
    and 70 ºC
  • Minimum estimated durability: 100 million cycles.

SERVO-CONTROLLED HYDRAULIC POWER SUPPLY UNIT

  • Working pressure: 280 bar.
  • Oil tank capacity: 600 litres.
  • Variable flow pump with Qn of 67 l/min.
  • Power of main motor: 30 kW.
  • High pressure filter capacity with full filtering electrical indicator by alarm: 3 µ
  • Open centre electro-valve.
  • Limiter valve for the variable flow pump blimping
  • Main security valve for the circuit.
  • Protected against overpressures in the circuit by a pressure-limiting valve.
  • Electric alarm to indicate the oil temperature.
  • Refrigeration by means of oil/cooled water system
  • Motor pump group for oil forced recycling in the tank for cooling. Flow: 120 l/min. Power: 4 kW.
  • Optical and electrical indicator for oil level inside the tank.
  • High response servo-valve with 65 l/min flow. High and low pressure accumulators are mounted directly on the fatigue servo-cylinder.

load cell

TESTING DEVICES
Testing Device 1 for Elastic Tie Plates (rails type UIC 54)
  • Vertical secant rigidity 20/95 kN
  • Vertical rigidity 80kN
  • Vertical rigidity 100/200 kN

    • Including:

  • Upper load application device
  • Compression base
  • 4 LVDT transducers

 

 elastic_tie_plates
Testing Device 2 for Elastic Light Bridge Plates (rails type UIC 54)
  • Resistance under lateral load.
  • Impact resistance under lateral load
  • Fatigue under lateral load.
 elastic_light_bridge_plates
Testing Device 3 for Bolts (rails type UIC 54)

Tension test for bolt extraction

 

Including:

  • Housing for sheath
  • Tensile device for bolts
 Testing_Bolts

NOTE Available testing devices for UIC-60 instead of UIC-54

CONTROL AND DATA ACQUISITION SYSTEM MD58

SOFTWARE, FOR DYNAMIC TEST UNDER WINDOWS, WINTEST.DW
- Sampling frequency: 5kHz (5000 readings/sec)
- Resolution: 180.000 real points.
- Closing loop time: 0,2 ms.
- USB 2.0 connection to PC

See particular technical specifications in MD Series Brochure

UFIB 250 control system


 Powerfull configuration and adaptation tools for high demanding users and applications.
Any type of test and standard could be configured modifying and introducing the correct parameters.
Windows compatible solution, tailored made to work with IBERTEST testing machines & control systems.
See particular technical specifications in WINTEST Brochure.

Wintest Software control

TELEDIAGNOSIS SYSTEM

Only for pc controlled IBERTEST machines

Allows a direct links between the machine (any place with pone connection) and the Technical service of IBERTEST.

With this link the Post sale service of IBERTEST could easily diagnose and, most of times correct, the failures detected in the software without the need of a technical displacement.

telediagnosis system Ibertest











Device for dynamic and materials testing

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