基于ABAQUS仿真的圆弧形断屑槽断屑机理研究
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摘要
断屑机理是机械加工中一个较为复杂的问题。利用有限元软件ABAQUS对GH4169材料的切削过程进行了建模与仿真,揭示了断屑槽的断屑机理,获得了两种不同前刀面刀具的仿真结果。提取不同条件下切削过程中应力、温度、切削力和总能量随时间变化的数据,通过对比分析表明,圆弧形断屑槽的刀具具有较好的切削性能。
Chip breaking mechanism is a complex problem in machining. The cutting process of GH4169 material was modeled and simulated by using ABAQUS software to reveal the chip breaking mechanism of chip breaking groove and obtain the simulation results of the cutters with two different rake faces. The time variable data of stress, temperature, cutting force and total energy under different conditions were abstracted for comparative analysis. The results show that the cutting tool with circular chip breaking groove has better cutting performance.
Chip breaking mechanism is a complex problem in machining. The cutting process of GH4169 material was modeled and simulated by using ABAQUS software to reveal the chip breaking mechanism of chip breaking groove and obtain the simulation results of the cutters with two different rake faces. The time variable data of stress, temperature, cutting force and total energy under different conditions were abstracted for comparative analysis. The results show that the cutting tool with circular chip breaking groove has better cutting performance.
引文
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[2]MA J,DUONG N,CHANG S I,et al.Assessment of Microgrooved Cutting Tool in Dry Machining of AISI 1045 Steel[J].Journal of Manufacturing Seience and Engineering,2015,137(3):1377-1385.
[3]MA J,DUONG N,LEI S.FEM Investigation of Friction and Wear of Microgrooved Cutting Tool in Dry Machining of AISI1045 Steel[J].Journal of Engineering Tribology,2015,229(4):449-464.
[4]DENG J X,WU Z,LIAN Y S,et al.Performance of Carbide Tools with Textured Rake-Face Filled with Solid Lubricants in Dry Cutting Processes[J].International Journal of Refractory Metals and Hard Materials,2012,30(1):164-172.
[5]ZHANG K D,DENG J X,XING Y Q,et al.Effect of Microscale Texture on Cutting Performance of WC/Co-based Ti Al N Coated Tools under Different Lubrication Conditions[J].Applied Surface Science,2015,326:107-118.
[6]刘献礼,张中民,李振加,等.六种刀片槽型断屑性能试验分析[J].机械制造,1995,33(4):7-9.
[7]李良福.两种新型断屑装置[J].机械制造,2003,41(1):59.
[8]章振翔,张金明,王来钱.基于DEFORM-3D的不锈钢切削力有限元仿真[J].轻工机械,2011,29(4):40-42.
[9]方钢,曾攀.切削加工过程数值模拟的研究进展[J].力学进展,2001,31(3):394-404.
[10]WAN L,WANG D Z,Gao Y Y.Investigations on the Effects of Different Tool Edge Geometries in the Finite Element Simulation of Machining[J].Strojniski Vestnik,2015,61(3):157-166.
[11]MABROUKI T,GIRARDIN F,ASAD M,et al.Numerical and Experimental Study of Dry Cutting for an Aeronautic Aluminium Alloy(A2024-T351)[J].International Journal of Machine Tools and Manufature,2008,48(11):1187-1197.
[12]COURBON C,MAB ROUKI T,RECH J,et al.On the Existence of a Thermal Contact Resistance at the Tool-chip Interface in Dry Cutting of AISI 1045:Formation Mechanisms and Influence on the Cutting Process[J].Applied Thermal Engineering,2013,50(1):1311-1325.