Guide rollers and guide roller assemblies are found in many overhead cranes and gantry cranes. The guide roller is made of vacuum degassed medium carbon steel forgings. The rollers are then heat treated by Kingrail Parts to provide a 'contour hardened' tread surface with a surface hardness of 58+ HRC. The effective hardened layer achieved by Kingrail Parts’heat treatment method extends to 5mm below the surface while maintaining the ductility of the substrate to prevent spalling.
Depending on the configuration and requirements, Kingrail Parts can produce guide roller assemblies ranging from simple guide rollers mounted on a shaft to complete guide roller assemblies with bearings, bearing housings and other elements. Kingrial Parts engineers can also provide strength upgrades and improvements to assembly features, such as shafts and other components that may be susceptible to premature failure.
The performance life of Kingrail Parts guide rollers is typically 3 to 8 times longer than that of ordinary industrial guide rollers. Additionally, independent testing confirms that Kingrail Parts guide rollers will significantly increase the service life of crane rails.
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