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高速车削3Cr13不锈钢切削力的仿真分析
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国家自然科学基金资助项目(51275168);国家科技支撑计划项目(2012BAF02B01)


Simulation Analysis of Cutting Force of Highspeed Turning of 3Cr13 Stainless Steel
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    摘要:

    切削力是表征加工过程的主要参数,也是反映加工状态的重要物理量之一,切削力的大小直接影响着加工状态和加工表面质量。基于有限元分析软件AdvantEdge FEM,设计了以进给量、背吃刀量、车削速度、车刀前角、车刀后角等切削参数为自变量的五因素四水平正交试验,对3Cr13不锈钢的高速车削过程进行二维有限元仿真,探讨了各自变量对切削力的影响规律。以径向切削力最小为目标,运用极差分析法获得了各切削参数的最优组合。结果表明:背吃刀量对径向切削力的影响最大、车刀后角的影响最小;在给定的切削条件下,径向切削力最小时的最优组合为进给量019 mm/r、背吃刀量03 mm、车削速度500 mm/min、车刀前角19°、车刀后角7°。

    Abstract:

    The cutting force is the main parameter in characterization of machining process,which is one of the important physical quantities reflecting the machining state,and the cutting force directly affects the machining conditions and machining surface quality.Based on the finite element analysis (FEA) software AdvantEdge FEM,the orthogonal test was designed to feed, cutting depth,cutting speed,turning tool rake angle,turning tool relief angle cutting parameters for the five independent variables and four levels.The process of highspeed turning of 3Cr13 stainless steel was simulated by using two dimensional (2D) FEM to explore influence law of each independent variables on cutting force. By taking the radial cutting force at minimum as objective, the method of analysis of variance was used to obtain the optimal combination of every cutting parameter.The results show that the maximum effect on the radial cutting force is cutting depth,and the minimum effect on the radial cutting force is turning tool relief angle.In the given cutting conditions,the optimal combination of the radial cutting force is the hour to feed 019 mm/r,cutting depth 03 mm,cutting speed 500mm/min,turning tool rake angle of 19 °,and turning tool relief angle 7°. 

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胡志远,岳文辉,彭广.高速车削3Cr13不锈钢切削力的仿真分析[J].机床与液压,2015,43(19):173-176.
. Simulation Analysis of Cutting Force of Highspeed Turning of 3Cr13 Stainless Steel[J]. Machine Tool & Hydraulics,2015,43(19):173-176

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  • 在线发布日期: 2016-01-08
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