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De Mattia Fatigue Check - Plus

Dynamic tester for the execution of fatigue tests at controlled temperature (-40 ÷ +200°C)

The instrument is built according to International Standards about fatigue, which describe test methods for the determination of the resistance of vulcanized rubbers under repeated deformations. This instrument permits to perform:
- Flex cracking/crack growth test
- Tension fatigue test.
Temperature Control 
The sample holding system is located in a Environmental chamber which permits to set the temperature between -40°C and 200 °C.
The environmental chamber is fitted with inspection window and internal led lighting which permit to inspect the sample without opening the chamber.

Tests at Low Temperature 
The instrument produced by Gibitre uses a Refrigeration Unit to reduce the temperature.
The use of the refrigeration unit, compared to cooling by liquid nitrogen, allows to:
• heck the test temperature perfectly, avoiding oscillations that may alter the results.
• Carry out long-term tests without risking to end the liquid nitrogen supply before finishing the test
• Eliminate the hazards related with manipulation of nitrogen

Instrument Regulation 
According to test specification, the instrument can be easily adjusted by setting
• Test frequency (60 to 300 rpm)
• Test stroke (0 to 60 mm)
• The distance of the grips (up to 100 mm)
• The number of cycles before automatic stop can be set (up to 1.000.000)
Sample holders 
The sample holder permits to test 12 samples simultaneously.
The exclusive movement system with both sample holders moving in opposite directions ensures extremely low levels of noise and vibrations.

Control device 
The instrument is controlled using a touch screen display which permits to set the oscillation frequency, the number of cycles and the test temperature.
Safety devices 
• Safety protection doors fitted with safety switch.
• Safety Push-button
• Digital Motor controller with torque overload control.
• CE labelling

Standard Calibration service for De Mattia Fatigue Check 
The calibration is performed with reference to the requirements of ISO 132 standard.
The service includes:
• Ordinary maintenance of the instrument
• Calibration of the oscillation speed.
• Calibration of the dimension of the templates.
• Calibration of the temperature inside the environmental chamber at 4 temperatures (for flexometers with environmental Chamber)
• Issue and e-mail shipment of the Calibration Certificate with traceability to primary standards.

Sample Calibration Report

Mould for De Mattia Flexure test 
Mould for De Mattia dynamic tester according to ISO 132, ASTM D 430-method B, DIN 53 522 standards.
Piercing tool 
The piercing tool allows to realize the standard notch to carry out crack-growth tests.

Development and production 
The instrument is totally developed and produced in the plant of Gibitre Instruments in Italy.
All the mechanical parts are produced in the company workshop using modern CNC machines.
Components and sensors from well-known brands are selected in order to ensure the maximum reliability in the measures
Internal trained personnel takes care of all the production stages: assembly, start-up, calibration, packing, shipment and installation.

Technical specifications
Reference Standards
Standards the instrument complies with:  ISO 132; ISO 6943; ASTM D813; ASTM D430-B; JIS K_6260;  
Instrument Characteristics
Speed adjustment  from 60 to 300 Cycles/min - 1 to 5 Hz  Run adjustment  Between 0 and 60 mm  Set of the number of cycles before automatic stop  Between 1 and 10^9  Distance of the grips  Maximum 100 mm  Data displayed  Number of oscillations, test Temperature  Sample holder  12 samples can be tested at the same time  Maximum force in traction  600 N (at 1 Hz oscillation speed) 
Environmental Chamber
Test temperature (without optional refrigerator)  From room temperature to 200°C (1°C resolution).  Air Flow  Internal air recirculation without air exchange  Test temperature (with refrigeration unit)  From -40°C to 200°C (1°C resolution). 
Safety Devices
Safety Devices  Safety protection doors with safety switches
Safety Pushbutton
Motor controller with torque overload control
CE labelling 
Labelling  CE Labelling 
Calibration  Calibration Report conforming to ISO 132 and ISO 6943 and Enviromnetla chamber temperature calibration, with traceability to primary references 
Technical specifications
Power supply  220 VAC ±10%, 50 Hz ±3, 14 A -single phase - 110 VAC ±10%, 60 Hz ±3 on request  Electrical Power (instrument + environmental chamber)  3 kW  Instrument Dimensions  (Width x Depth x Height) 960 x 900 x 1750 mm  Thermal Chamber Internal dimensions  (Width x Depth x Height) 240  x 230 x 600 mm  Weight  300 Kg (optional refrigeration unit: 40 Kg)  Noise level  < 50 dB 
Product leaflet

General catalogue

Calibration certificate
CE certificate
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