钛合金切削力和表面粗糙度试验研究  

Experimental Study on Cutting Force and Surface Roughness When Milling Titanium Alloy

作　　者：丁悦[1] 王焱[1] 刘畅[1] 向颖[1] 

机构地区：[1]中航工业北京航空制造工程研究所,北京100024

出　　处：《航空制造技术》2016年第6期88-91,95,共5页Aeronautical Manufacturing Technology

摘　　要：在对TC4-DT钛合金进行铣削试验的基础上,从切削力和刀具失效的角度研究了铣削刀具适配性,根据优选刀具的试验结果建立了表面粗糙度预测模型,分析了铣削参数对表面粗糙度的影响规律。结果表明:在选定的刀具条件下,无涂层、大刀尖圆弧半径和刀齿数少的刀具适合切削TC4-DT钛合金;铣削宽度对表面粗糙度影响最大;铣削深度和铣削宽度对表面粗糙度的综合影响呈马鞍面趋势。A series of tests are conducted by milling TC4-DT titanium alloy for investigating cutting force and surface roughness. A surface roughness model is established using the selected cutting tool. Thus the relationship between surface roughness and milling parameters is analyzed. The results show that it is suitable for cutting TC4-DT titanium alloy by an uncoated carbide cutting tool with larger corner radius and less number of flute. In addition, width of cutting has the greatest influence on surface roughness. Moreover, the variation tendency of surface roughness, which is influenced by the interaction between depth and width of cutting, is as the saddle surface.

关 键 词：钛合金 铣削 切削力 刀具失效 表面粗糙度 

分 类 号：TG54[金属学及工艺—金属切削加工及机床]