Finite Element Analysis And Optimization Design Of GZK4230 CNC Band Sawing Machine

As the main processing equipment of the primary processing of modern manufacturing,CNC band sawing machine has become the first choice of domestic and international manufacturing in primary processing.Cutting can save materials and improve the processing efficiency,it's an indispensable link in the manufacturing industry,it has become the basic means of modern manufacturing production.Therefore,the CNC band sawing machine occupies a very important position in our country's manufacturing industry,it has been widely used in our national economy in various industries and fields,such as machinery and equipment manufacturing,automotive,steel,shipbuilding,aerospace,mining and oil,etc.Research and design of the CNC sawing machine is very late in our country,so there is a certain gap between international advanced CNC band sawing machine.Along with the CNC band sawing machine developing towards high stability and high precision,good static and dynamic characteristics will be the future research direction of the CNC band sawing machine.The thesis "Finite Element Analysis and Optimization Design of GZK4230 CNC Band Sawing Machine " is derived from the cooperation project "The Key Technology and Industrial Applications of Typical CNC Band Sawing Machine ",the project focus on the structure design problems of our country's CNC band sawing machine,it analyzes the static and dynamic characteristics of the structure of the machine with the combination of theoretical research and practical experience,then optimizes the structure of the machine on the base of static and dynamic characteristics analysis.The main contents are as follows:The first chapter expatiates the present situation and development trend of international and domestic CNC band sawing machine industry.It analyzes the gap between our country and foreign country and it also studies the common problems about our country's CNC band sawing machine.At last,the chapter introduces the meaning and content of the paper.The second chapter elaborates the steps of building the finite element model of GZK4230 CNC band sawing machine in detail,including creates the 3D model and simplifies the 3D model combining with the actual situation,then divides grid and sets boundary condition,finally finish building the finite element model.The third chapter sketchs the theoretical basis of the structural static characteristics analysis,it analyzes and calculates the stress state of the sawing system of GZK4230 CNC band sawing machine according to the actual situation of the machine,then analyzes the structure in static analysis,finally gets the analysis results and analyzes the static characteristics of the structure on the base of static characteristic analysis results.The forth chapter sketchs the theoretical basis of the structural dynamic characteristics analysis,then analyzes the structure in modal analysis and harmonic response analysis according to the actual situation of the machine,finally gets the analysis results and analyzes the dynamic characteristics of the structure on the base of analysis results.The fifth chapter sketchs the theoretical basis of the optimization design,it optimizes the structure of the GZK4230 CNC band sawing machine on the base of the static and dynamic structural analysis results,then analyzes the optimized structure in static and dynamic characteristics analysis,gets the analysis results and compares with the static and dynamic characteristics of the structure before and after optimization,and finally gives the conclusion.The sixth chapter summarizes the main study contents of this paper,and shows the work and research direction in the future.