PCD刀具高速铣削TA15钛合金的切削性能
Cutting Performance of PCD Tool during High Speed Milling of TA15 Titanium Alloy
摘 要
采用聚晶金刚石(PCD)和硬质合金刀具对TA15钛合金进行了高速铣削对比试验, 从刀具磨损、切削力、切削温度等方面评价了PCD刀具加工TA15钛合金的切削性能。结果表明: PCD刀具端铣TA15钛合金的切削性能较好, 刀具耐用度可达145 min, 稳定切削时间达121 min, 与硬质合金刀具相比提高了4倍; PCD刀具磨损形态为后刀面不均匀磨损, 前刀面上局部剥落及刀尖附近微崩刃; 随着切削速度的提高, x方向的切削力略有降低; 每齿进给量和轴向切削深度过大会增大x向切削力; 切削温度随着切削速度和径向切削深度的增加而升高。
钛合金
切削性能
PCD tool
titanium alloy
cutting performance
Abstract
High speed milling contrast tests were performed on the TA15 titanium alloy using polycrystalline diamond (PCD) tool and carbide tool. The cutting performance of PCD tool during milling of TA15 titanium alloy was evaluated from tool wear, cutting force and cutting temperature. The results show that the PCD tool during milling had good cutting performance, whose tool life was up to 145 min and stable cutting time was 121 min which improved 4 times than that of the carbide tool. The wear morphology of the PCD tool was uneven wear on rear face, partial peeling on rake face and micro-tipping around the tool nose. With the increase of cutting speed, the cutting force along the x axial direction decreased slightly. The larger the feed per tooth and cutting depth along the axial direction, the greater the cutting force along x axial direction. With the increase of cutting speed and the radial cutting depth, the cutting temperature increased.
中图分类号 TG115.6
所属栏目
基金项目 教育部创新团队项目(IRT0837)
收稿日期 2010/1/12
修改稿日期 2010/10/6
网络出版日期
作者单位点击查看
备注冯素玲(1986-), 女, 江苏南通人, 硕士研究生。
引用该论文: FENG Su-ling,XU Jiu-hua,LIU Peng,GENG Guo-sheng. Cutting Performance of PCD Tool during High Speed Milling of TA15 Titanium Alloy[J]. Materials for mechancial engineering, 2011, 35(3): 44～48
冯素玲,徐九华,刘鹏,耿国盛. PCD刀具高速铣削TA15钛合金的切削性能[J]. 机械工程材料, 2011, 35(3): 44～48
被引情况:
【1】吉春辉,田利成,秦旭达,刘振旺,刘婕, "钛合金螺旋铣孔与传统钻孔的加工质量对比",机械工程材料 39, 1-3(2015)
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