All housing parts are made of aluminium and use stainless steel screws. The polymer sliding pads in the PRT slewing rings are made of the high performance iglidur J material, which contains a solid lubricant, so it does not require additional lubrication. This material also offers a low coefficient 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-anodized.
As explained by Matthew Aldridge of igus UK, the iglidur PRT slewing bearing modules are “rugged, corrosion-resistant units that are particularly 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 ideal for OEMs looking for a ready-to-install solution, such as in semiconductor and cleanroom applications, assembly lines, wind turbines, production facilities and robots. The iglidur PRT slewing ring bearing system is available in a wide range of sizes, with outside diameters of 20, 30, 60, 100 200 and 300 mm.
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