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航空钛合金切削过程有限元数值模拟分析
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    摘要:

    切削加工过程模拟的实质是采用有限元方法求解非线性问题的过程。建立了钛合金构件切削有限元模型,其切屑分离准则是以材料损伤理论为基础确立的;利用已有的研究成果,构建了求解切削温度场和切削力的有限元模型;利用有限元软件ABAQUS/Explicit进行模型建立、材料输入、部件装配、局部细分网格、运动仿真等;通过对钛合金切削过程的仿真计算得到切削温度、切削力等的一般规律。结果表明:模拟结果与实际生产结果相符合。

    Abstract:

    The simulation of the cutting process is substantially to use finite element method (FEM) to solve nonlinear problems. The finite element model of Titanium (Ti) alloy components milling process was established, and the rule of chip separation was determined based on material damage theory. By using the research results of others proposed, the finite element model was constructed to solve the cutting temperature field and cutting force. The finite element software ABAQUS / Explicit was used to conduct modeling, material inputs, parts assembly, local subdivision mesh and motion simulation, and etc. The common rules between cutting temperature, force and cutting parameters were derived through simulation and calculation for cutting process of Ti alloy. The results show that the simulation results are consistent with the actual production results.

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徐建新,顼航.航空钛合金切削过程有限元数值模拟分析[J].机床与液压,2015,43(9):158-161.
.[J]. Machine Tool & Hydraulics,2015,43(9):158-161

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  • 在线发布日期: 2015-06-17
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