Application of cubic boron nitride inserts in slewing bearing and wind power slewing bearing industry

January 14, 2019

The surface hardness of the Slewing Bearing/wind power slewing bearing ring after quenching reaches HRC55-62, the hardened layer is generally 3~5mm, 50Mn or 42CrMo material, and the slewing bearing and wind power Slewing Bearing Ring are used for dry cutting by the car. Processing. The Slewing Ring hard turning process poses a great challenge to the toughness and wear resistance of the hard blade because of the large machining allowance and the strict processing precision of the raceway and bearing surface after hardening (hard car). The performance balance of CBN hard-cutter blades has become a key step in the process of slewing bearing and wind power slewing bearing. Cubic boron nitride insert is the hardest tool material in ferrous metal processing tools. It is widely known as a hot hard-working blade. Due to the poor toughness of CBN tools, it is generally limited to a small amount of heat after quenching. Use; according to the characteristics of large capacity of hard-turn machining in the slewing bearing and wind power slewing bearing industry, CBN tools will make great progress in the processing of this field.

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