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145min,稳定切削时间达121min,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.
参考文献
| [1] | 耿国盛 .钛合金高速铣削技术的基础研究[D].南京航空航天大学,2006. |
| [2] | E. O. Ezugwu;J. Bonney;Y. Yamane .An overview of the machinability of aeroengine alloys[J].Journal of Materials Processing Technology,2003(2):233-253. |
| [3] | Farhad Nabhani .Machining of aerospace titanium alloys[J].Robotics and Computer Integrated Manufacturing: An International Journal of Manufacturing and Product and Process Development,2001(1/2):99-106. |
| [4] | Farhad Nabhani .Wear mechanisms of ultra-hard cutting tools materials[J].Journal of Materials Processing Technology,2001(3):402-412. |
| [5] | A. K. M. Nurul Amin;Ahmad F. Ismail;M. K. Nor Khairusshima .Effectiveness of uncoated WC-Co and PCD inserts in end milling of titanium alloy - Ti-6Al-4V[J].Journal of Materials Processing Technology,2007(0):147-158. |
| [6] | N. Corduan;T. Himbert;G. Poulachon;M. Dessoly;M. Lambertin;J. Vigneau;B. Payoux .Wear mechanisms of new tool materials for Ti-6Al-4V high performance machining[J].CIRP Annals,2003(1):73-76. |
| [7] | E. Kuljanic;M. Fioretti;L. Beltrame;F. Miani .Milling titanium compressor blades with PCD cutter[J].CIRP Annals,1998(1):61-64. |
| [8] | 曲迪 .PCD刀具加工钛合金的试验研究[D].大连理工大学,2008. |
| [9] | 耿国盛,徐九华,傅玉灿,葛英飞,舒畅.高速铣削近α钛合金的切削温度研究[J].机械科学与技术,2006(03):329-332. |
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