Front loader test stand
Weathering effects just like in real life
The front loader test rig is part of the 3,800m2 igus test laboratory. The aim of this rig is to test various combinations of plain bearings and shafts for the agricultural and construction machine sector under realistic conditions. Each test examines various combinations in a direct comparison. This makes it possible to test various iglidur materials as well as metallic bearings.The test rig allows us to compare existing customer solutions (such as steel bushings, metal-rolled bearings with Teflon coating, bronze bearings etc.) in a real application with maintenance-free iglidur plain bearings.
The results are not only important with regard to front loaders, but can also be applied to other applications involving heavy loads. Similar parameters can generally be found in all applications which are driven by a hydraulic cylinder.
We would be happy to offer you a test for your plain bearing application. According to the required parameters, of course, further test rigs are available to test the application as closely to real conditions as possible.
We would be happy to offer you a test for your plain bearing application. According to the required parameters, of course, further test rigs are available to test the application as closely to real conditions as possible.
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Key data of the test rig:
| Tank | Volume flow | Working pressure | Motor | Control system |
|---|---|---|---|---|
| 300l | 66l/min. | Max. 220 bar | 11kW | PLC controlled with 10" touch display |
Different modes possible:
| Travels | Vibrating operation | Max. load | Vmax |
|---|---|---|---|
| Single trip | Single | 500kg (variable) | 4 cycles/min. at full pivot |
| Single trip combined | Multiple | ||
| Synchronous travel |
Test results in detail
Plain bearing on galvanised shaft
Comparison: Metal composite bearings, iglidur Q2 and iglidur Z plain bearingsTest result: Not all iglidur materials are suitable for use on galvanised surfaces.
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Plain bearing on hard chrome shaft CF5
Comparison: Metallic rolled bearing, iglidur Z and iglidur Q plain bearingTest result: The combination of the plain bearing material iglidur Z with a hard chrome CF53 shaft has the lowest wear rate here.
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High loads on stainless steel?
Comparison: Metal composite bearings and iglidur J plain bearingsTest result: Even at high loads, the wear of iglidur J plain bearings is much lower than with metal composite bearings.
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Plain bearing on nitrocarburated shaft St52
In the test: Metallic rolled bearings, iglidur Q, iglidur G and iglidur Z plain bearingsTest result: iglidur Z delivered the best result by far.
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Previous test results
We show you the current test results in detail here
The front loader test rig is part of the igus test laboratory. Here, various plain bearing and shaft combinations are tested on the front loader for the agricultural and construction machinery sector under realistic conditions.
How robust is a galvanised surface?
Wear if pivoting, single trip mode
Test result: Not all iglidur materials are suitable for use on galvanised surfaces.
Test report on bearing point P1
iglidur Z with hard-chromed CF5 shaft
Wear if pivoting, single trip mode
Test result: The combination of the plain bearing material iglidur Z and a hard-chromed CF53 shaft has the lowest wear rate.
Test report on bearing point P2
High loads on stainless steel?
Wear if pivoting, single trip mode
Test result: The results for iglidur J are good even in the case of high loads.
Test report on bearing point P2
Nitrocarburised St52 shaft, left - right in a direct comparison
Wear if pivoting, single trip mode
Test result: Clear results on nitrocarburised shaft.
Test report on bearing point P3
