基于STEP的异型螺杆数控加工技术
[Abstract]:In order to adapt to the development trend of the integrated manufacturing technology of special-shaped screw, the STEP data model of helical surface and the inner whirlwind milling technology were studied, and a NC machining method of special-shaped screw based on STEP was put forward. The STEP data model of helical surface and the extraction method of geometric information are studied, and the method of obtaining helical surface parameters by using non-uniform rational B-spline model is given. A computer aided manufacturing system is designed for special-shaped screw. The system includes STEP file reading and analysis, feature recognition, tool track calculation, tool track verification, post processing and so on. The effective integration between the design system and NC machining system of the special-shaped screw is realized. The main functions of the system have been realized and verified in actual processing.
【作者单位】: 山东大学机械工程学院;山东大学高效洁净机械制造教育部重点实验室;
【基金】:国家自然科学基金资助项目(51175311)~~
【分类号】:TG659
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