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Test bench
TRIBOTEST 02
The TRIBOTEST 02 test bench is designed to determine the coefficient of friction of coatings for testing according to 2 standards and, accordingly, kinematic schemes:
ASTM G99 "Standard Test Method for Wear Testing with a Pin-on-Disk Apparatus." Kinematic diagram - ball (pin) - disk.
ASTM G133 "Standard Test Method for Linearly Reciprocating Ball-on-Flat Sliding Wear." Kinematic diagram – reciprocating movement of a ball (pin) along a plane.
The stand has a high degree of automation of the experiment and is controlled using a touch monitor. The process of starting and stopping the stand is automated. When testing coatings for service life according to the friction coefficient criterion, the stand will automatically stop if the specified maximum value is exceeded. During testing, friction coefficient data is recorded and written to a file with *.csv or *.xls resolution.
Technical requirements- Software (in Russian) and information processing and control systems
- Two friction force sensors located on a symmetrical elastic arm, which ensure minimal thermal drift.
- Temperature and humidity sensors that record and display the state of the environment. Real-time information is available along with other testing data.
- Kit for calibrating friction force and rotation speed.
- Complies with ASTM G 99 and G 133 measurement standards
- The software allows for various measurement modes (standard, increasing and user-defined).
- Software to simulate contact pressure and strain distribution to allow the user to correctly select measurement parameters to achieve the desired contact condition.
- Flexible configuration and modular design, which allows further equipment of the device with options that are not included in the initial configuration based on the same device, including the ability to add options: sample holders, liquid cups, heating or cooling tables, wear profilometer, electrical contact measurement resistance, tribocorrosion measurement, etc.
- Availability of a module for testing in liquid.
- High resolution data acquisition electronics, with 192 kHz or 12 kHz acquisition rate per channel and 16-bit numerical resolution
- 2 user channels available for connecting signals from external devices.
- Elastic lever for measuring friction force
- The DC motor provides rotation speed in the range of 0.2 rpm - 2000 rpm.
- Carriage with graduated guide and adjustment knob
- Top cover to provide a closed testing environment and acoustic noise reduction.
- Minimum friction force, no more than 1 N
- Weights included: at least 4 pieces of varying weights
- Maximum friction force 25 N
- Normal force resolution, no more than 0.06 mN
- Ball holder with a diameter of 6 mm included in delivery
- Pin holder with a diameter of 6 mm.
- Balls, material 100Cr6, diameter 6 mm (compatible with holder), quantity 100 pcs.
- Ball holder with a diameter of 10 mm included in delivery
- Pin holder with a diameter of 10 mm.
- Balls, material 100Cr6, diameter 6 mm (compatible with holder), quantity 100 pcs.
- Pin holder with a diameter of 6 mm included in delivery
- Pin holder with a diameter of 6 mm.
- Balls, material 40X13, diameter 6 mm (compatible with holder), 10 pcs.
- Automated control system
- Maximum torque 450 mNm
- Temperature sensor operating range From -40 °C to 125 °C
- Temperature sensor resolution 0.015 °C
- Humidity sensor range 0% to 100%
- Humidity sensor resolution, no more than 0.01%
- Overall dimensions of the tribometer (lid closed), 500 x 410 x 475 mm
- Sample holder for rotational friction analysis
- Number of elements fixing the sample on the table 3
- Angular reciprocation option, which allows the sample to oscillate along an arc path like a pendulum, and also corrects the error in determining the friction force when the sample surface deviates from horizontal
- Power supply from single-phase AC 220 ± 2% V, 50 ± 1% Hz
Requirements for the functional characteristics (consumer properties) of the deviceThe tribometer allows you to measure the coefficient of friction of various materials and coatings automatically.
The software is compatible with the operating system supplied as part of the information processing and control system.
Software for post-processing of experimental data (working with friction coefficient graphs).
Advantages of the TRIBODATA stand management program:Friendly interface:
software in Russian controls the conduct of the experiment with user-entered parameters. Information about the sample is entered before the start of the experiment for further formation of the protocol.
Ease of interpretation and
ability to export data:TRIBODATA software displays all the key parameters of the experiment - sliding speed, sample rotation speed, temperature, friction force, sliding speed, friction path and test duration.
A large number of criteria for stopping the stand, which makes it a universal device for assessing the antifriction properties of materials and the service life of coatings.
The software allows you to set several conditions for stopping the experiment:1) After the duration of the experiment;
2) When the limit coefficient of friction set by the user is exceeded.
This criterion allows you to evaluate the service life of antifriction coatings. When a certain value is exceeded, the coating no longer performs its functions and its resource can be considered exhausted. The default limit value is flimit=1. The default value also works when testing with other selected test bench stopping criteria, for example, when selecting item 1;
3) When the maximum load on the sensor is exceeded.
When testing at high loads, it is possible that the maximum load on the friction force sensor may be exceeded with friction coefficients below the limit specified in paragraph 2;
4) If the wear limit of the samples is exceeded;
5) When the established friction path is exceeded.
The report after the tests displays the following data: operator's name, date of the experiment, start time of the experiment, end time of the experiment, counter-specimen rotation speed, load, friction path, duration of the experiment, test temperature, file name with digital values of the friction force and friction coefficient.
