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In the latest experiment in the igus® plain bearings laboratory is leadscrew nuts 3D printed from the iglide® I180 and J260 tribofilaments. For further comparison, nuts made of iglide® bar stock as well as an ABS printed nuts were also tested in real life applications.
In the experiment, a drylin® HTS linear table was installed vertically and the nut subjected to a load of 129 N (29 lbs) (Fig.1). The stroke length was 370 mm and the lead screw speed 290 rev/min. A drylin® DST high helix lead screw specifically tailored to the self-lubricating iglide® high-performance polymers was used.
Y = Wear rate [mg/km]
Stroke = 370 mm
Lead screw speed = 290 rev/min
1 = ABS printed
2 = iglide® I180 printed
3 = iglide® J260 printed
4 = iglide® R bar stock
5 = iglide® J bar stock
The tests confirmed: The leadscrew nuts 3D printed from iglide® Tribo-Filament are comparable in wear characteristics to those nuts made from iglide® bar stock.
Applications involving high cycle counts, speeds and accelerations or demanding environmental conditions require proven systems providing durable and reliable operation, especially when it comes to energy chains, cables as well as polymer slide bearings and linear systems. igus® conducts tests continuously in the in-house laboratory under real conditions. Every year, we conduct more than 2000 tests on e-chains® and cables, and over 5000 tests on slide bearings. The focus of our tests are tensile strengths and shear forces. Coefficients of friction, wear, driving forces and abrasion under extremely different conditions and speeds. Influence coefficients such as dirt, weathering, low temperature, or impacts and shocks are tested
Maximum wear-resistance with the iglide® tribo filament for 3D printers as piece goods.
