Research on Fracture Analysis of Tobacco Machinery Bearing Based on Finite Element Analysis

In the process of tobacco production, the long-term stable operation of tobacco machinery is very important, but the bearing which is subjected to reciprocating stress for a long time and overload stress in a short time will lead to fatigue fracture and overload fracture, which seriously affects the stability of the machine. In order to effectively prevent bearing fracture, taking the deep groove ball bearing commonly used in tobacco machinery as the research object, the finite element analysis method is used to analyze the fracture of the bearing, and the overall motion, overall strength, fracture and each component are comprehensively analyzed. According to the calculation results, the ball is the most stressed and easily damaged among the parts. When the diameter of the bearing inner ring is larger, the bearing load is larger and the bearing capacity is stronger. However, correspondingly, the larger the diameter of the inner ring, the more intense the friction generated during transmission, when the load reaches the critical value, there will be cracks, and the fracture will occur in long-term operation. Therefore, you can choose a bearing with a small inner ring diameter, and the ball in each part uses a material with good strength performance to achieve long-term stable operation.