织构参数对刀具主切削力及切削温度的影响
2019-12-11
作者：李坤1，杜家熙1，刘莉莉2，申福猴1，马利杰1，逄明华1
单位：1河南科技学院；2河南工学院
摘要：织构刀具具有良好的摩擦学特性，针对织构参数对刀具主切削力及切削温度的影响，利用仿真软件建立硬质合金织构刀具切削Al7075T6铝合金的二维正交切削仿真模型，分析了织构宽度、织构间距、织构刃边距、织构深度对刀具主切削力及切削温度的影响。结果表明，合理的织构参数具有良好减磨效果，能够改善刀具切削性能；不合理的织构参数会引发织构刀具的二次切削，使刀具的主切削力及切削温度增大。在所选织构参数范围内，织构宽度40μm、织构刃边距80μm、织构间距70μm、织构深度20μm时，刀具的主切削力及切削温度最低。
关键词：织构参数；主切削力；切削温度；仿真
中图分类号：TG707；TH161文献标志码：ADOI：10.3969/j.issn.1000-7008.2019.12.009
Effect of Texture Parameters on Main Cutting Force and
Temperature of Cutting Tools
Li Kun，Du Jiaxi，Liu Lili，Shen Fuhou，Ma Lijie，Pang Minghua
Abstract:Textured cutting tools have good tribological properties.Aiming at the effect of texture parameters on main cutting force and cutting temperature，a twodimensional orthogonal cutting simulation model for cutting Al7075T6 aluminum alloy with cemented carbide texture cutting tool is established by using simulation software.The effects of texture width，texture spacing，edge distance of texture and texture depth on main cutting force and cutting temperature are analyzed.The results show that the reasonable texture parameters have good wear reduction effect and can improve the cutting performance of cutting tools.The unreasonable texture parameters will lead to the secondary cutting of texture cutting tools，which will increase the main cutting force and cutting temperature of the cutting tools.Within the range of texture parameters selected by this research institute，the main cutting force and cutting temperature of the tool are the lowest when the texture width is 40 micron，the edge distance of the texture is 80micron，the texture distance is 70micron and the texture depth is 20micron.
Keywords:texture parameter；main cutting force；cutting temperature；simulation