ANSYS-Based Static and Modal Analysis of the Crankshaft of Die-Cutting Machine
The performance of the crankshaft affects the die cutting speed and accuracy.In order to analyze the characteristics of the crankshaft of the existing die-cutting machine,finite element analysis of the crankshaft is carried out,and a three-dimensional model of the crankshaft is established by using SolidWorks software,which is imported into ANSYS Workbench software to simulate and analyze the static mechanical characteristics of the crankshaft when it is working on the die-cutting machine as well as the vibration characteristics of the crankshaft,and stress and strain cloud diagrams and modal vibration pattern diagrams are obtained.The static analysis results show that the maximum stress is 242.54 MPa,which is less than the yield limit strength of the shaft and meets the practical requirements.The results of modal analysis show that the crankshaft is dominated by bending deformation at low-order frequency,and the maximum vibration displacement occurs at both ends of the crankshaft;bending and torsion deformation are dominated at higher-order frequency,which mainly occurs at both ends of the crankshaft connecting with the elbow rods at the shaft end.The minimum intrinsic frequency of the crankshaft is obtained to provide a calculation basis for the reliability analysis and fatigue strength checking of the crankshaft.
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