Abstract
Bearings are widely used in aerospace and other fields, its performance directly affects the production efficiency and safety. Nowadays, virtual simulation technology has become an indispensable part of intelligent manufacturing field. As a virtual simulation technology, FEA has been widely used in bearing design. China needs to import many aerospace bearings every year in aerospace area, Chinese national defense and other high precision technology is limited because the blockade of advanced bearing technology. We can use dynamics modeling and virtual simulation technology to achieve the predictive design, and strive to achieve foreign level. In this paper, the author proposed a method of bearing design based on virtual simulation technology. The factors of bearing which affect the dynamic characteristics are considered, the process of design bearing based on virtual simulation is also considered. According to the different design parameters, the simulation results are used to verify the rationality, these can reduce the cost and improve the reliability. The virtual simulation technology is applied to design the 7016C angular contact ball bearing which used in aerospace area, and supported decision-making in structure design and data analyze. Finally, The feasibility of this method is verified by experiments..
Highlights
With the development of computer technology and digital technology, product design engineers in the field of intelligent manufacturing can use virtual simulation technology and product design synchronization to carry out the design of human-computer interaction [1], and use the obtained simulation results to guide the design of the product
The FEA process contains a large amount of initial information that needs to be processed, and generates a certain amount of analysis result information, which facilitates the understanding and application to the analyst, and let them to observe the simulation results quickly and accurately [3]。
In order to study the dynamic characteristics of the bearing, Gupta considered the influence of the ball mass and the displacement of the Hertz load in the research process, a six degree of freedom model is used to simulate the steel ball movement process [10]
Summary
With the development of computer technology and digital technology, product design engineers in the field of intelligent manufacturing can use virtual simulation technology and product design synchronization to carry out the design of human-computer interaction [1], and use the obtained simulation results to guide the design of the product. As an import technology of virtual simulation, CAE (Computer Aided Engineering) technology is a rapid development of computing technology, it is a core technology to achieve major engineering and industrial product design analysis, simulation and optimization. Rolling bearings are one of the most widely used parts in aerospace area and other modern productions. The dynamic performance is very complex in the rotation processes between the parts of bearing, so it involves many disciplines and technical fields [6]. Through the virtual simulation technology, you can get the dynamic parameters in the process of bearing rotation,and can evaluate the performance of the bearing, so as to provide a reference for the design and optimization bearing. In the process of virtual design, it emphasizes designing, analyzing, debugging and manufacturing, the digital virtual simulation in the virtual environment formed by the computer before the product is put into operation and completing the problem in the process of designing
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