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Igus has developed a range of slewing bearings that use two self-lubricating, low-friction polymer sliding elements in place of conventional ball bearings.

The PRT polymer slew ring bearings are said to be a cost-effective and low-noise alternative that are also wear resistant, easy to install, and maintenance free.

Igus added that the range is robust and has a high load capacity.

All housing parts are made of aluminium and use stainless steel screws.

The polymer sliding pads in the PRT slewing rings are made of Iglidur J material, which contains a solid lubricant – meaning it does not require additional lubrication.

This material is also said to offer a low co-efficient of friction, as well as being resistant to chemical aggressors, featuring low moisture absorption and good vibration-dampening properties.

In addition, the counter-running surfaces of the Iglidur J sliding pads are hard-anodised.

The PRT slewing bearing modules are said to be well suited in applications where high loads, extreme overturning torques, alternating ambient media or low to medium surface speeds are prevalent.

Maintenance- and lubrication-free, the Iglidur PRT modules are said to be ideal for OEMs looking for a ready-to-install solution, such as in semiconductor and clean-room applications, assembly lines, wind turbines, production facilities and robots.

The Iglidur PRT slewing ring bearing system is available in a range of sizes, with outside diameters of 20, 30, 60, 100 200 and 300mm.

Igus

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Energy chains are the umbilical cord of modern machines. They minimise downtime and protect, support and extend the service life of cables and hoses. The broad range incorporates more than 30,000 innovative, low-cost products. From the smallest ‘micro’ chain to the largest chain in the world, the E4.350, Igus energy chains are capable of long and short travel distances at high speeds in all axes.

Igus also has its own cable series, Chainflex, specially designed with energy chains in mind. They are highly flexible cables, offering a long service life and very small bending radii. A wide range is available, from small signal cables to large power cables, high-speed data cables and glass fibre-optic cables.

The company’s energy chains and Chainlflex cables can be delivered as a fully harnessed and pre-assembled Readychain system, cutting purchasing, warehousing and installation costs.

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