Network optimization information:

The construction machinery market is highly personalized, with different applications and requirements, and the structure and functional requirements of similar products are also different. Rotating bearing device is an important part of various crawler type construction machinery, Two speed hydraulic motor Its design strength and dynamic characteristics are directly related to the working performance and safety of the whole machine. The slewing ring device is expensive and difficult to replace and maintain. Therefore, in the construction machinery industry, the early failure of slewing ring is unacceptable to both manufacturers and users.

Industrial statistics show that 90% of the early failures of slewing ring are caused by broken teeth. There are two main types of tooth surface fracture: bending fatigue fracture and overload fracture. Abrasive motor Excessive dynamic load of transmission system is the main reason for fatigue fracture. Overload fracture is usually caused by short-term severe overload impact load, which makes gear teeth bear stress exceeding the limit load. In addition, heavy load concentration and excessive dynamic load will also cause overload fracture. From the design point of view, the current type selection of slewing ring is based on the static type selection calculation of empirical knowledge, which is difficult to meet the specific personalized conditions.