Extension of the rolling bearing life are several ways

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Large panel at home and abroad with a hot (cold) rolling mill are equipped with a roll bending device, the prevalence of work roll baring life is short, even Shaorong accident occurred, making the maintenance of increased workload, the operating rate, the cost is increased, resulting in huge economic losses serious probl ems with the rolling mill.thrust ball bearing
(2) using mill since niche theory invented a new type of bearing constraint truss institutions in the bending force and axial force
This result is carried out for extended bearing life of the mill, rolling mill bearing load performance study, the study of engineering test and mill bearings adaptive, are contained.
At present, the accurate calculation and measurement of single row rolling bearing carrying the load distribution is more difficult to explore the multi-column Rolling load distribution of the serious attention of many researchers is a world problem.ball bearing suppliers
The theoretical analysis and field test results are fully verified reasonable and correctness of the adaptive, are contained device. The method for multi-row bearings are set to the Characte ristics hit a new way to create the conditions to improve the design of large rolling mill and steel rolling production quality.
The Ministry of Science and Technology, Shanxi Science and Technology Department and Baosteel project support to complete the roller bearings and bearing the heat and stress analysis, mill work roll bearings wearing a new theory, the bearing and axial structural design of the fixtures bearing and the axial structure design of the fixtures, bearings and bearing load and temperature distributions in theoretical research, testing research and industrial assessment work. In the following aspects of innovative achievements.ball bearing companies
Mill are overloaded institutions, calculate the bearing load of the mill should take into account the deformation component, non-uniform temperature field, the gap, impact, friction and lubrication and other factors. Overloaded ag ency or component rigidity and a relatively small institution, the deformation will significantly affect their runtime behavior. Therefore, the design of such institutions must be included in the component deformation, so that the institutions designed to maintain the movement under the assumption of rigid components in the loaded state, bearing characteristics. Roll is elastomer produced by bending is inevitable, and thus the conventional four-high rolling mill work roll bearings in the partial load.
(1) with three-dimensional elastic frictional contact procedures for boundary element method analysis of bending force under the load bearing characteristics, thermal deformation of the boundary element method or finite element method analysis of bearing, and found work on this basis, multi-column roller bearing partial set and column partial load status;
Is a column Rolling mill bearing, due to limitations of the small space of the mill load Japanese roll system, the bearing must be relatively thin structure. The mill bearing load distribution measurements reported less, mainly due to the complexity of the structure of the rolling mill bearing system, but also to measure the work load in the operating conditions, make the test more difficult. Hot rolling mill bearing radial load distribution of the test, has not been reported. RL Ebaugh and JV Poplawski in the Iron & Steel Engineer, the author discusses the operating conditions and maintenance of the relationship between the work roll bearing performance, given the finite element method calculation results using non-contact problem, the results still a wide gap, and there is no experimental verification. This particular structure is bound to the bearing load distribution changes.
This problem has been a long time did not arouse enough attention, and the consequent bearing low-life, abnormal burning and fatigue spalling loss. The method for multi-row bearings are set to the Char acteristics hit a new way to create the conditions to improve the design of large rolling mill and steel rolling production quality. After more than 10 years of exploration, we use the mill integrated self-theory on the rolling mill bearing constraint agencies conducted a comprehensive transformation from a fundamental solution to the mill burning bearing problem.