| 高速钢麻花钻的磨损试验研究 |
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| 引用本文： | 张少文,李亮,何宁,胡江林,蒋克仁.高速钢麻花钻的磨损试验研究[J].工具技术,2011,45(10):16-19. |
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| 作者姓名： | 张少文 李亮 何宁 胡江林 蒋克仁 |
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| 作者单位： | 1. 南京航空航天大学
2. 上海工具厂有限公司 |
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| 基金项目： | “高档数控机床与基础制造装备”科技重大专项资助项目 |
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| 摘 要： | 麻花钻是实现孔加工的重要工具,然而切削刃口的快速磨损是制约钻孔质量和钻头寿命的重要因素.基于产品抽样钻孔试验与正交试验,本文对高速钢麻花钻的磨损、破损等失效形式进行了综合分析,探讨了以钻孔直径为评价指标时的孔加工数量与孔径的关系,并对麻花钻磨损的关键影响因素进行了正交试验研究.结果表明,麻花钻磨损与破损形式主要有主切削...
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| 关 键 词： | 麻花钻 磨损 评价 |
Experiment Research on Hig h-Speed Steel Twist Drill Wear |
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| Zhang Shaowen,Li Liang,He Ning,Hu Jianglin,Jiang Keren.Experiment Research on Hig h-Speed Steel Twist Drill Wear[J].Tool Engineering(The Magazine for Cutting & Measuring Engineering),2011,45(10):16-19. |
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| Authors: | Zhang Shaowen Li Liang He Ning Hu Jianglin Jiang Keren |
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| Affiliation: | Zhang Shaowen, Li Liang, He Ning, Hu Jianglin, Jiang Keren |
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| Abstract: | Twist drill is an important tool to realize hole processing. The rapid wear of cutting edge is an important factor restricting hole quality and drill life. Based on sampling experiment and orthogonal experiment, the main wear and break patterns of twist drill were analyzed in this paper, the relationship between hole number and hole diameters has been discussed, the key factors impacting drill wear were studied. The results show that there are six major wear and breakage patterns during twist drill wear, including main cutting edge frank wear, rake face wear, chisel edge wear, vice cutting edge wear, comer wear and chipping. Cutting speed is the main factor impacting drill wear, feed is the second, hole depth is the last. Hole diameter is getting smaller with the increasing of hole number. |
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| Keywords: | twist drill wear evaluation |
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