Simple Three-axis CNC Machine Tool Four-axis Transformation

Faced with the market trends and reality that numerical control technology and equipment need to be high-speed, high-precision, high-efficiency and the shape of products become more and more complex and diverse, in addition, quality requirements being strict increasingly. Multi-axis CNC machining technology have an advantage over production. Wide application of multi-axis CNC technology and multi-axis CNC machine tools is the development trend of processing and manufacturing field. However, in terms of overall technical development capability and technological base, our current NC technology and equipment is still weak, it has a big gap with similar foreign products. in the development cycle, performance and reliability. University is one of the main channels of CNC talent cultivation, but few grasp this stage of the multi-axis CNC high-end manufacturing talent. Due to the scarcity of multi-axis CNC machine of most colleges and universities, Master of high-end multi-axis NC technology is scarce, it is the restricting bottleneck of popularity and development of five-axis NC machining manufacturing method and related technology. The main research topics are as follows:1) Propose the concept of simple teaching platform of four-axis CNC machine tool based on the analysis of trend of four-axis CNC machine manufacturing method and the development of the related technology. Established the design idea that transform the ordinary three axis CNC machine tool into simple teaching platform of four-axis CNC machine tool. Define the design requirement of the simple teaching platform of four-axis CNC machine tool.2) According to the actual situation of remodeled simple three-axis CNC machine and design requirements of and four-axis CNC machine teaching platform, designed and built a fourth axis(rotation axis) platform. The platform with the ordinary three-axis CNC machine tools with installation to achieve a typical axis machining capabilities. We designed and built a fourth axis(rotation axis) platform. The platform install with the ordinary three-axis CNC machine tools to achieve a typical four-axis machining capabilities.3) Through the analysis of the original three-axis CNC machine tools, general hardware circuit, developed a detailed rehabilitation programs of electrical system of the rotation axis platform It includes stepper motors, motion control card, harmonic reducer, drive and other key electrical hardware selection and analysis, and complete hardware-based PC axis CNC control system structures.4) Depth research the method of the four-axis CNC control system that based on the PC control the simple teaching platform of four-axis CNC machine tool. Setting relevant parameters and detailed analysis and regulations, create a four axis CNC machine tools teaching platform control interface. achieve PC-based four-axis CNC system.5) Using Solidworks software to design drawn torsion hexahedral three-dimensional model and the World Cup, and edited by Mastercam software post processing to generating NC code files of it.6) By processing the typical four-axis parts-reverse hexahedral and World Cup to verify the workability of four-axis CNC machine tools teaching platform, and prove the feasibility of rehabilitation programs.