Easy and lubrication-free
guidance of labels with
xiros polymer ball bearing in
the new black guide roller.
(Source: igus GmbH)
Xiros polymer ball bearings are lubrication-free,maintenance-free, hygienic and have a very low breakaway torque. Due to these specifications,they are mainly used in the field of packaging and food technology. As fully assembled systems with a tube made of aluminium, carbon or PVC, the ball bearings prove their worth as guide rollers for deflecting films and labels or for conveying goods. By using wear-resistant high-performance polymers and thin-walled tubes, they provide a weight saving of up to 48 per cent compared to metallic solutions. Their mass inertia is 42 per cent lower, and therefore the energy required for acceleration is considerably lower and the rollers reach the conveying speed faster.
The igus range has now been expanded with a new black aluminium roller. “The idea for the black design arose from a customer enquiry. The technical specifications of our classic aluminium rollers were already very convincing, but black visible parts were desired for one labeling series”, explains Marcus Semsroth, Head of the xiros polymer ball bearing division at igus GmbH. The solution: black anodised aluminium for the roller and black xirodur S180 fixed flange ball bearings made of polymer. “This soon resulted in a product that met the customer’s requirements in terms of technology, price and appearance”, says Semsroth. In addition to this, the new black roller also offers further areas of application. This allows the roller to work easily together with camera systems, as it doesn’t reflect light.
igus has developed the guide rollers expert for the quick selection of a suitable guide roller. In the online tool, the user only has to specify the outer and inner diameter as well as the length of the roller, the load, the load case and the ambient temperature. By entering the acting force and the degree of wrap around, the online expert calculates the resulting force on the roller and recommends the appropriate tube materials. In the second step, the user can select their guide roller based on the deflection, weight and price data, download the configuration CAD data and order the roller directly online
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