微沟槽车刀切削高强度合金钢AISI 4140残余应力的试验研究

2018-07-25

作者：吴艳英1，吴锦行2，罗湛2 单位：1贵州理工学院；2贵州民族大学

摘要：选用硬质合金涂层原车刀具和微沟槽车刀切割高强度合金钢AISI_4140。通过切削试验，结合理论分析，对比了新的硬质合金涂层微沟槽车刀和原车刀加工表面残余应力的径向分布。研究结果表明，微沟槽可以提高残余压应力的厚度和最大值，减小残余拉应力的厚度和工件表面材料的残余拉应力值。

关键词：微沟槽车刀原车刀；残余应力；试验

中图分类号：TG506.7；TH161文献标志码：A

Experimental Study on Residual Stress of High Strength Alloy Steel

Based on Cutting MicroGroove Turning Tool AISI 4140

Wu Yanying，Wu Jinxing，Luo Zhan

Abstract:Coated cemented original turning tool and the micro groove tool are used to cut the same high strength alloy steel AISI 4140.Through the cutting test and theoretical analysis，this paper compares with the radial distribution of the residual stress on the surface of the new cemented carbide coating micro groove turning tool and the original turning tool.The results show that the micro groove turning tool can improve the residual compressive stress in thickness and maximum value，reduce the residual tensile residual stress and thickness of surface of the workpiece material tensile stress value.

Keywords:micro groove turnig tool；original turning tool；residual stress；experiment