| UG二次开发在三阶切触加工刀位规划中的应用 |
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| 引用本文： | 盛耀元,郑刚,朱利民. UG二次开发在三阶切触加工刀位规划中的应用[J]. 组合机床与自动化加工技术, 2011, 0(7) |
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| 作者姓名： | 盛耀元 郑刚 朱利民 |
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| 作者单位： | 上海交通大学机械与动力工程学院,上海,200240 |
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| 基金项目： | 国家973重点基础研究，国家自然科学基金，上海市基础研究重点项目 |
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| 摘 要： | 非球头刀五轴数控加工可以通过调整刀具姿态,使得在刀触点处刀具包络曲面充分逼近理论设计曲面,从而显著提高给定精度下的切削带宽.研究了非球头刀宽行五轴加工自由曲面的三阶切触法,通过UG API几何造型的方法,精确计算切削带宽,并利用UG二次开发实现了平底刀加工自由曲面的刀位规划.算例结果表明该软件系统生成的刀具路径能显著提高加工效率.
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| 关 键 词： | 三阶切触 切宽计算 刀位规划 UG二次开发 |
UG Secondary Development of Tool Positioning for Five-axis Machining Using Third-order Point Contact Approach |
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| SHENG Yao-yuan,ZHENG Gang,ZHU Li-min. UG Secondary Development of Tool Positioning for Five-axis Machining Using Third-order Point Contact Approach[J]. Modular Machine Tool & Automatic Manufacturing Technique, 2011, 0(7) |
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| Authors: | SHENG Yao-yuan ZHENG Gang ZHU Li-min |
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| Affiliation: | SHENG Yao-yuan,ZHENG Gang,ZHU Li-min(School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China) |
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| Abstract: | In five-axis machining,the non-ball-end cutter can be reasonably positioned so that its effective cutting profile well matches the design surface,resulting in a great improvement of the machining strip width.Based on the study of third-order point contact approach for five-axis sculptured surface machining,the strip width is precisely calculated through UG API geometric modeling.A software system is developed to generate the optimized cutter locations of the entire surface.The study example shows the machin... |
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| Keywords: | third-order point contact strip width calculation tool positioning UG secondary development |
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