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首页> 外文期刊>Constructia de Masini >ESTIMATION OF CUTTING FORCES USING FEM SIMULATION FOR CHOOSING INSERT TYPE
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ESTIMATION OF CUTTING FORCES USING FEM SIMULATION FOR CHOOSING INSERT TYPE

机译：选择有限元类型的有限元模拟切削力估算

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摘要

Finite Element Analysis based techniques are available to simulate cutting process and offer several advantages including prediction of tool forces, distribution of stresses and temperatures, estimation of tool wear and residual stresses on machined surfaces, optimization of cutting tool geometry and cutting conditions. However, work material flow stress and friction characteristics at cutting regimes are not always available. This paper presents the current modelling capabilities available in modified DEFORM 3D™ system to simulate 3D metal cutting environment in turning process.%Tehnicile de analiză bazate pe metoda elementelor finite sunt utilizate în simularea proceselor de aşchiere şi oferă o serie de avantaje dintre care amintim estimarea forţelor de aşchiere, estimarea distribuţiei de tensiuni şi temperaturi, estimarea uzurii sculei aşchietoare şi a tensiunilor reziduale de pe suprafeţele prelucrate, optimizarea geometriei sculelor aşchietoare şi a regimului de aşchiere. Totuşi, caracteristicile materialului semifabricatului la diferite regimuri de aşchiere nu sunt pe deplin cunoscute, în această lucrare este prezentată posibilitatea de simulare şi modelare a procesului de aşchiere utilizând software-ul DEFORM 3D.
机译：基于有限元分析的技术可用于模拟切削过程，并具有许多优势，包括预测工具力，应力和温度分布，估计工具磨损和加工表面上的残余应力，优化切削工具的几何形状和切削条件。但是，切削状态下的工作材料流动应力和摩擦特性并非始终可用。本文介绍了改进的DEFORM 3D™系统中可用的当前建模功能，以模拟车削过程中的3D金属切削环境。切削力，估计应力和温度的分布，估计切削工具的磨损和加工表面上的残余应力，优化切削工具的几何形状和切削方式。但是，半成品在不同切割方式下的特性尚不完全清楚，本文提出了使用DEFORM 3D软件对切割过程进行仿真和建模的可能性。

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