New long-life coating for food machinery

4th March 2021
Posted By : Lanna Deamer
New long-life coating for food machinery

Sheet metal and metallic parts in food processing are regularly exposed to friction and wear. igus has developed a new coating material to increase the service life of these components, by reducing friction and wear. The IC-05 tribo-polymer protects sensitive and small bearing points as well as sliding surfaces, it is coloured blue for high visibility and is approved for use in manufacturing by the Food & Drug Administration (FDA).

In tests, the new coating returned four times’ longer service life than the standard iglidur coating material IC-01.

Automated systems are essential in the food industry. But what happens if a bottle falls over in the filling line or a packet of soup gets wedged between moving parts and tears open? This can lead to unplanned plant shut down, costing time and money.

Moving components with a low coefficient of friction are preferred to minimise plant damage and down-time. To give guide plates, metallic sliding parts or even parts with complex geometries high wear resistance, igus has now developed a new coating material especially for use in food machinery.

The high performance IC-05 polymer complies with both FDA and EU10/2011 regulations and is therefore ideally suited for contact with food. Its blue colour makes it highly visible in a food processing environment. The material significantly reduces the coefficient of friction of the coated parts and increases the service life and availability of the equipment. It also improves product safety and reduces the costs of parts replacement.

No lubrication is ever required. The powder material can be applied onto the desired components, either by the customer or by igus. Layer thicknesses of 60 to 120µm are possible. "Especially for places where there is no space for a plain bearing, a coating of the moving parts that are exposed to wear is a good idea," explained Rob Dumayne, Director of drytech in the UK.

Laboratory test reveals four times longer service life

igus tested the durability of the coated parts in its own 3,800 square metre laboratory. A part coated with IC-05 (FDA-compliant) was compared with an identical part coated with the standard material IC-01 in various test set-ups.

The IC-05 component recorded four times longer service life. In addition to IC05, igus offers five other coating materials for applications in the high temperature range or with high chemical resistance.

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