Parametrization Of Special Milling Tool Of Titanium Alloys And Experimental Research

The trend of cutting technology is high-efficiency, precision, intelligent and environmental-protection, therefore cutting tool should adapt to different cutting materials. The cutting tool must have the characteristic of high-efficiency, high-precision, well-reliability and specialization. Because of Its high specific toughness and good anti-corrosion quality, the titanium alloys have been widely used in the structure and engine of airplane since fifties 20th. The application of titanium alloys can reduce the mass of airplane and enhance Its structural efficiency. But because of poor machinability, how to improve Its cutting efficiency has become the most important problem. The technology of machining titanium alloys has become an important index of state aviation level. In the current paper, according to the characteristic of titanium alloys, the method of parametrization of milling tool is introduced with finite element method and experiment. The main job includes:1. The concept of titanium alloys and cutting tool in the cutting process is presented for the first time in the dissertation. The dissertation applied a method to how to improve the geometric design of milling tool which is adapted to titanium alloys.2. The simulation of the cutting process and the method of standard experiments were combined in the dissertation for the first time. Focusing on the practical machining process, by means of analysis of the feasibility of tool design and technology in the practical machining process were studied. The feasible spaces of the process parameters and tool parameters were constructed and the optimized models were presented, that provided the theoretical basis for the high-performance of milling tool.3. On the basis of the independent parameter analysis of tool design combined with methods of simulations and standard experiments, the optimum methods are provided for the three-dimensional parametrization. The research results are studied through the cutting test of the specific and all-purpose milling tool.4. Through the analysis of cutting force, cutting temperature,cutting vibration and the wear of cutting tool, the cutting parameters of specific titanium alloys milling tool are optimized .