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Our test laboratory for iglidur® plain bearings

With their tribological properties, our polymer plain bearings fulfil the highest requirements for a long service life without additional lubrication. To achieve this quality, we carry out over 135 trillion test movements per year in our plain bearing test laboratory spread over 250m². We test and develop materials and plain bearings under real conditions with the goal of providing you with the best solution made of polymer for your application. The polymer bearings are optimised for use in motion and open up new possibilities in design with their specifications. Base polymers, solid lubricants and reinforcing materials are combined in such a way that the plain bearing specifications required for the application are completely achieved.  Focus of the tests are push/pull forces, low coefficient of friction, wear, abrasion and driving forces at various speeds and bearing loads.

What is tested and how?

In the iglidur and igubal test area, bearings and materials are tested for stress, wear and friction properties. Other parameters such as high and low temperatures, high loads and speed are adjusted according to the test. In the test laboratory, there are around 50 test facilities, where more than 300 tests are carried out in parallel. At the same time, we perform around 11,300 tribological examinations each year on approximately 250 newly developed polymer compounds. To ensure that the new formulations prove their worth in later use, they are exposed not only to external influences, but also to different movement directions and loads - rotating, pivoting, linear motion and tumbling.  

 

In addition, we test our components for effects in the event of dirt, very different weather conditions and even with shock and impacts. The results of our tests are stored in databases and incorporated into the online tools.

 

 

What are the test rigs in the plain bearing test laboratory?

Rotation wear

  • Test: Rotating wear rate
  • Load per bearing point between 100 N and 1000 N
  • Surface speed between 100 and 1300rpm 
  • Available shaft diameters: 6, 8, 10, 12, 13, 14, 15, 16, 17, 18, 20mm
  • Tests at room temperature and up to 150°C
  • Underwater tests

Rotation wear test

Linear short-stroke wear

  • Test of linear wear rate 
  • Load per bearing point between 10 N and 200 N
  • Surface speed between 0.1m/s and 0.3m/s
  • Tests at room temperature and up to 150°C
  • Available shaft diameter 10mm
  • Stroke length: 5mm

Test for linear short-stroke wear

Pivoting wear

  • Test of pivoting wear rate
  • Load per bearing point between 25 N and 300 N
  • Surface speed of 0.01m/s (with 10mm shaft diameter)
  • Pivot angle of 60°
  • Available shaft diameter: 10mm
  • Tests at room temperature

Test for pivoting wear

Coefficient of friction

  • Test for rotating coefficient of friction
  • Load per bearing point between 10 N and 300 N
  • Surface speed between 200 and 2,000rpm (speed depends on the shaft diameter)
  • Available shaft diameters: 6 to 20mm
  • Tests at room temperature 
  • Tests at room temperature and up to 150°C

Test for coefficient of friction

Linear technology tests under water

  • Test of pivoting wear rate
  • Load up to 100 N
  • Surface speed of 0.01m/s
  • Tests at room temperature
  • Available shaft diameter: 10mm

Linear technology tests under water

Rotation test rig under water

  • Test for rotating wear rate
  • Load between 10 N and 100 N
  • Surface speed between 0.01m/s and 0.3m/s
  • Test at room temperature
  • Available shaft diameter: 10mm

Vibration tests under water

Edge load test

  • Test for wear, tumbling
  • Load between 30 kN and 230 kN
  • Surface speed of 0.01m/s
  • Tests at room temperature
  • Available shaft diameter: 40mm

Edge load test

Linear film test rig

  • Test for linear wear rate
  • Load between 10 N and 60 N
  • Surface speed between 0.01m/s and 0.15m/s
  • Test at room temperature
  • Pin diameter 4mm and 10mm

Test for abrasion of tribo-tape

Heavy duty rotation

  • Test for rotating wear rate
  • Load between 4.000 N and 52.000 N
  • Surface speed up to 0.01m/s
  • Test at room temperature
  • Available shaft diameter 20mm

Test for heavy duty rotation

Tumble test rig

  • Test for wear rolling, tumbling
  • Tests with solid plastic roller, knife edge roller, bushed steel roller ...
  • Load between 10 N and 600 N
  • Surface speed between 0.15m/s and 1m/s
  • Test at room temperature
  • Shaft diameter from 6mm to 20mm

Tumble wear Test

Individual test rigs

Individual test rigs are also implemented in our test laboratory in order to simulate your application as accurately as possible. Plain bearings, self-aligning bearings, ball bearings and slewing ring bearings are tested here to find the perfect solution for you in our range.  


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Which online tools obtain the test data

The further use of the results from the product and material tests is varied. The data is used for new and further development, and is also used to determine the appropriate components for the specific application. Anyone who is interested, can use the online tools of the numerous product areas free of charge. Each product area has its own tools, such as the expert system, which compares products according to the requirements, such as high compressive strength or radial forces and calculates their service life.
 

Test in the test laboratory and igus online tool  

Selected tests from the igus test laboratory

We thoroughly test our plain bearings whether it is for service life or coefficient of friction. In addition to numerous product and material tests, we also examine individual customer applications. To give you an idea, we have compiled a selection of tests.

We test your application

You do not wish to experiment, but do you want to test materials for your application before use? Or do you have an unusual application and are looking for a suitable solution? No problem. We will test your application in our test lab and will use our expertise to find the best igus® solution for you. No matter whether plain bearing, energy chain, cable, linear technology, bar stock or Low Cost Automation.


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The different areas of the igus test laboratory

drylin linear technology

drylin test rig  

robolink Low Cost Automation

robolink test rig  

e-chain energy supplies

Energy chains test rig  

chainflex cables

Test rig for cables  

The igus test laboratory

Test laboratory load test