| 航空用叶片螺旋铣削刀位轨迹规划 |
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| 引用本文： | 陈惠贤,刘玉娟.航空用叶片螺旋铣削刀位轨迹规划[J].科学技术与工程,2008,8(24). |
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| 作者姓名： | 陈惠贤 刘玉娟 |
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| 作者单位： | 兰州理工大学机电工程学院,兰州,730050 |
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| 摘 要： | 研究了航空发动机叶片叶身部分的螺旋铣数控加工过程，在螺旋加工的基础上用等高度残留法推导了五坐标数控铣加工的叶片刀位点计算公式。根据叶片特征和数控加工理论，详细讨论了叶身加工过程中的刀位计算方法，在采用端面立铣刀刀具的基础上提出了一种新的螺旋形切触点轨迹的构造方法，有效地避免了刀具过切现象，保证了桨叶的扭角精度和表面粗糙度，减少了后续工序的加工难度。本文的刀位计算方法在叶片螺旋铣加工实践中取得了良好效果，提高了叶片生产效率和加工质量。
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| 关 键 词： | 螺旋铣 叶片 等高度残留法 |
Aviation Blade Spiral Milling Tool Path Planning |
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| CHEN Hui-xian,LIU Yu-juan.Aviation Blade Spiral Milling Tool Path Planning[J].Science Technology and Engineering,2008,8(24). |
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| Authors: | CHEN Hui-xian LIU Yu-juan |
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| Institution: | CHEN Hui-xian,LIU Yu-juan(School of Mechanical , Electronical Engineering,Lanzhou Univ.of Tech.,Lanzhou 730050,P.R.China) |
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| Abstract: | The aviation engine blades are part of the spiral of CNC milling process,the spiral on the basis of processing with a high degree of residual law,such as a five-derived coordinates of the CNC milling blade knife-point formula.According to leaf characteristics and NC theory,discussed in detail the processing of the body in the process of knife-bit computing method,a new spiral-shaped path of cutting construction method of contact and effective tool to avoid the cut-off phenomenon,and ensure the Twisting the ... |
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| Keywords: | milling Spiral blades iso-scallop method |
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