In view of the demand for intelligent upgrading of quartz crucible manufacturing equipment,this study proposes a design scheme of large-scale quartz crucible feeding frame system with innovative structure,and analyzes...In view of the demand for intelligent upgrading of quartz crucible manufacturing equipment,this study proposes a design scheme of large-scale quartz crucible feeding frame system with innovative structure,and analyzes the vibration characteristics of this structure in view of the large vibration and instability during operation.In order to study the relationship between the operating vibration and the natural frequency and avoid resonance,the calculated mode was analyzed via ANSYS Workbench,and the experimental mode results were obtained by using percussion test and compared with the calculated mode.It is concluded that the natural frequencies of the first six orders of the large quartz crucible feeding frame are between 5.13 and 23.29,and the main deformation is distributed at the end of the turning mechanism.The analysis results show that the first-order natural frequency of the system has a safety margin of 1.55 times comparing with the working frequency of the drive motor(12 Hz),which effectively avoids the risk of resonance.The feeding frame adopts a double-column truss composite structure,and the layout of the specially designed stiffener network and high-precision guide rails ensures the lightweight structure and significantly improves the dynamic stability of the system.The practical effect of the large-scale quartz crucible feeding frame shows that the structural design is successful,and has reference significance for the structural design of the same type of automatic manufacturing equipment.展开更多
文摘In view of the demand for intelligent upgrading of quartz crucible manufacturing equipment,this study proposes a design scheme of large-scale quartz crucible feeding frame system with innovative structure,and analyzes the vibration characteristics of this structure in view of the large vibration and instability during operation.In order to study the relationship between the operating vibration and the natural frequency and avoid resonance,the calculated mode was analyzed via ANSYS Workbench,and the experimental mode results were obtained by using percussion test and compared with the calculated mode.It is concluded that the natural frequencies of the first six orders of the large quartz crucible feeding frame are between 5.13 and 23.29,and the main deformation is distributed at the end of the turning mechanism.The analysis results show that the first-order natural frequency of the system has a safety margin of 1.55 times comparing with the working frequency of the drive motor(12 Hz),which effectively avoids the risk of resonance.The feeding frame adopts a double-column truss composite structure,and the layout of the specially designed stiffener network and high-precision guide rails ensures the lightweight structure and significantly improves the dynamic stability of the system.The practical effect of the large-scale quartz crucible feeding frame shows that the structural design is successful,and has reference significance for the structural design of the same type of automatic manufacturing equipment.
