What is a logarithmic curve roller?

The logarithmic curve roller is a special roller whose surface element line is a logarithmic curve type, and the convexity value is required to be very large, and the surface roughness is Ra0.16. This type of roller is mainly used in railway bearings, and its technical requirements are strict and the processing is difficult. The design purpose of the logarithmic curve roller is to improve the stress state of the roller and increase the service life of the bearing. Through the design of the logarithmic curve, the load can be better distributed, friction and wear can be reduced, thereby improving the performance and reliability of the bearing. Specific application examples of logarithmic curve rollers include tapered rollers and cylindrical rollers in railway freight car bearings. These rollers not only have strict technical requirements, but also need to ensure that the convexity value meets the standard during the processing process to ensure the performance and safety of the bearing.