| 一种基于利润率模型的刀具综合评价与筛选方法 |
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| 引用本文： | 杨后川,陈名华,崔季.一种基于利润率模型的刀具综合评价与筛选方法[J].北京理工大学学报,2015,35(1):1-6. |
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| 作者姓名： | 杨后川 陈名华 崔季 |
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| 作者单位： | 北京航空航天大学机械工程及自动化学院,北京 100191;空军第一航空学院航空修理工程系,河南,信阳464000;空军第一航空学院航空修理工程系,河南,信阳464000;北京航空航天大学机械工程及自动化学院,北京,100191 |
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| 基金项目： | 国家部委基金资助项目(A0520110009) |
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| 摘 要： | 提出了兼顾各刀具在加工同一材料时匹配各自的最佳加工参数的单元利润率模型的刀具综合评价和筛选方法,并将该方法应用到了难加工材料钛合金Ti-1023的切削刀具的评价与筛选中,取得了理想的筛选结果. 具体方法是:首先通过切削力等约束条件,实验确定样本刀具铣削钛合金Ti-1023时相匹配的最佳进给量、切削深度和切削宽度等切削参数,其次通过变速法实验确定最佳切削速度,进而得到各刀具耐用度和材料切除率,最后计算出利润率值并进行刀具的评价和筛选. 运用该方法在切削钛合金Ti-1023的4种刀具中筛选出最适合的S30刀具,也得到了各刀具在切削Ti-1023材料时匹配最佳的铣削参数.
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| 关 键 词： | 刀具耐用度 材料切除率 刀具评价与筛选 钛合金Ti-1023 |
| 收稿时间： | 2014/9/25 0:00:00 |
Method About Comprehensive Evaluation and Selection of Cutting Tools Based on the Profit Margin Model |
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| YANG Hou-chuan,CHEN Ming-hua and CUI Ji.Method About Comprehensive Evaluation and Selection of Cutting Tools Based on the Profit Margin Model[J].Journal of Beijing Institute of Technology(Natural Science Edition),2015,35(1):1-6. |
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| Authors: | YANG Hou-chuan CHEN Ming-hua and CUI Ji |
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| Institution: | 1.School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;Department of Aviation Repair Engineering, the First Aeronautical Institute of Air Force, Xinyang, Henan 464000, China2.Department of Aviation Repair Engineering, the First Aeronautical Institute of Air Force, Xinyang, Henan 464000, China3.School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | A new method was put forward based on profit margins model and the respective tool cutting the same material in matching optimum cutting parameters. Results in evaluation and selection of cutting tool were achieved with the proposed method for the difficult machining materials titanium alloy Ti-1023. In the specific method, first the optimum cutting parameters matching to feed rate, cutting depth and cutting width were determined through experiments in cutting force and other constraints. Second the optimum cutting speed was determined through the shift method, and then tool life was obtained by experiment based on optimum cutting parameters, the material removal rate was calculated, and last evaluation and selection of cutting tools were implemented. The most appropriate S30 tool among 4 type tool in machining titanium alloy Ti-1023 was selected and the optimum cutting parameters corresponding to some material were effectively obtained. |
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| Keywords: | tool life material removal rate evaluation and selection of cutting tools titanium alloy Ti-1023 |
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