TC18钛合金车削加工的切削力和表面粗糙度
Cutting Force and Surface Roughness of Turning on TC18 Titanium Alloy
摘 要
采用正交试验法对TC18钛合金进行了车削试验，使用直观分析法、经验模型分析法和极差分析法研究了主轴转速、进给深度和切削深度对切削力和表面粗糙度的影响。结果表明：和进给深度、主轴转速相比，切削深度对切削力的影响最大，随着切削深度的增加切削力不断增大；进给深度对表面粗糙度的影响最大，切削深度的影响次之，主轴转速的影响最小；在切削力和表面粗糙度的指数经验模型中，拟合程度较高的为主切削力（Fz）的参数模型，且显著程度相对较高。
车削加工
切削力
表面粗糙度
TC18 titanium alloy
turning
cutting force
surface roughness
Abstract
Turning tests were conducted on TC18 titanium alloy by orthogonal testing method. The effects of spindle speed, feed depth and cutting depth on cutting force and surface roughness were studied by intiutive analysis, empirical model analysis and range analysis. The results show that compared with feed depth and spindle speed, the effect of cutting depth on cutting force was the largest. The cutting force increased with the increase of cutting depth. The effect of feed depth on surface roughness was the largest, the effect of cutting depth was the second, and the effect of spindle speed was the least. In the exponential empirical model of cutting force and surface roughness, the model with higher fitting degree was the parameter model of main cutting force (Fz), and the significant degree was relatively high.
中图分类号 TG511 DOI 10.11973/jxgccl201907015
所属栏目 物理模拟与数值模拟
基金项目 陕西省科技厅重点研究项目（2017GY-025）；陕西理工大学研究生创新基金资助项目（SLGYCX1826）
收稿日期 2018/9/20
修改稿日期 2019/6/20
网络出版日期
作者单位点击查看
备注王永鑫(1995-),男,河北秦皇岛人,硕士研究生
引用该论文: WANG Yongxin,ZHANG Changming. Cutting Force and Surface Roughness of Turning on TC18 Titanium Alloy[J]. Materials for mechancial engineering, 2019, 43(7): 69～73
王永鑫,张昌明. TC18钛合金车削加工的切削力和表面粗糙度[J]. 机械工程材料, 2019, 43(7): 69～73
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【5】李登万, 陈洪涛, 冯锦春, 等. 基于均匀设计法的精密车削参数优化[J]. 机械工程学报, 2015,51(3):206-212.
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【7】张慧萍, 张庆宇, 张校雷, 等. 高速铣削超高强度钢的切削力及表面粗糙度研究[J]. 工具技术, 2017, 51(8):12-15.
【8】谭靓, 张定华, 姚锋, 等. 刀具几何参数对钛合金铣削力和表面完整性的影响[J]. 中国机械工程, 2015,26(6):737-742.
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【11】李友生, 邓建新, 张辉, 等. 高速车削钛合金的硬质合金刀具磨损机理研究[J]. 摩擦学学报, 2008, 28(5):443-447.
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【14】QU F S, ZHOU Y H, ZHANG L Y, et al. Research on hot deformation behavior of Ti-5Al-5Mo-5V-1Cr-1Fe alloy[J]. Materials & Design, 2015, 69:153-162.
【15】LEI S T, LIU W J. High-speed machining of titanium alloys using the driven rotary tool[J]. International Journal of Machine Tools and Manufacture, 2002, 42(6):653-661.
【16】SUN S Y, LU W J. Effects of trace reinforcements on microstructure and tensile properties of in-situ synthesized TC18 Ti matrix composite[J]. Journal of Composite Materials, 2017, 51(26):3623-3629.
【17】刘雄, 滕文博, 潘星宇, 等. 基于DEFORM的导电切削GCr15主切削力研究[J]. 润滑与密封, 2018, 43(3):88-91.
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