Published 11-10-2021

New Igus Material for the Food Industry

11-10-2021

Electrostatically dissipative iglidur AX500 tribo-polymer ensures maintenance-free applications with food contact

In bearing points in the food and packaging industries, temperatures and speeds are frequently high. Ensuring that mechanisms function reliably requires durable plain bearing solutions that can continuously handle friction and heat. Another challenge is electrostatic charges. The igus iglidur AX500 from Treotham, gives customers a new, wear-resistant material for high-temperature applications that also has ESD properties.

How do exactly ten grams of gummy bears end up in a small bag? With dosing systems equipped with highly sensitive mechanisms. Such mechanisms fill thousands of bags in no time. Slides and belts then move the sweets to a box. At these high speeds, all the packaging mechanisms, and especially their bearings, are subjected to wear.

Plain bearings made of the new iglidur AX500 high-performance polymer from Treotham help make bearing points maintenance-free and durable. The new material is electrostatically dissipative, ensuring that the bags do not stick to each other, and employees do not receive electric shocks. In very dusty environments such as flour processing, sparks can also lead to dust explosions.

Safe, wear-resistant bearings, even in high temperatures

iglidur AX500 is also specifically suited to the high-temperature range, allowing it to be used in applications such as ovens and bottle cleaning. Its good chemical resistance means that aggressive cleaning agents will not harm the bearing. Nor is there any problem if iglidur AX500 contacts food, since the tribologically optimised polymer, with its embedded solid lubricants, requires no additional lubrication.

On the test rig: wear testing iglidur AX500 achieves much better wear results than the long-running food material iglidur A500. The wear of the iglidur A500 and iglidur AX500 was tested in a rotation test on stainless steel shafts in the 3,800 square metre in-house laboratory at igus in Cologne. The new material achieved a coefficient of wear that was up to three times as good as those of the old one.

Special dimensions from injection moulding can be supplied in a few days

Treotham currently offers the new igus material in standard dimensions (6-20mm diameters), with or without a flange. For special dimensions that are needed quickly, the FastLine service is also available to users. Expanding in-house toolmaking allows igus to manufacture and deliver Treotham’s iglidur polymer plain bearings in special dimensions at low part prices within a few days.

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