指出了有限元方法在金属切削模拟中的可行性和存在的问题。
Finally the feasibility and problems of FEM simulations in metal cutting were pointed out.
提出了基于正交切削模拟的零件铣削加工变形的预测方法，建立了三维铣削加工的有限元模型。
A method based on orthogonal cutting simulation is proposed to predict the distortion of parts due to milling machining, and a finite element model for 3d milling process is set up.
按照实际加工条件建立了切削模拟模型，按照国家标准建立的硬质合金可转位刀片的三维模型既考虑到真实的刀片几何形状，也考虑了其安装角度参数。
In the simulation, the WC hard-alloy cutting tool was built in according to meet the GB, in which the real shape of cutting tool and the angle parameters in the mounting are also considered.
从而为正交切削过程的数值模拟奠定了基础。
So it prepares for numerical simulation on metal orthogonal cutting process.
最后将薄膜热电偶温度传感器用于化爆材料模拟切削试验。
At last, TFT are applied to the chemical explosive material simulation cutting test.
模拟中考虑了钻头的切削齿和射流喷嘴对流场的影响。
The influence of bit cutting teeth and its jet nozzle on the flow field is taken into account in the simulation.
模拟分析与试验结果表明，连续改变刀具角度是在线控制切削颤振的有效方法。
Simulation analysis and experiment results indicate that changing tool geometric angles continuously in cutting process is an effective meth...
可动态模拟金属实际切削过程中切屑流的形成、卷曲及折断过程，为切屑仿真提供图形可视化支持。
The methods presented above can dynamically simulate the process of chip generation, curling and breaking, giving visualization tools for turning process simulation.
基于刚塑性有限元方法建立了切削加工过程仿真模型，通过模拟获得了切削加工过程中刀具应力的分布和变化情况。
The model of cutting process is established based on the rigid-plastic FEM, and the transient stress distribution of cutting tool in cutting process is obtained through the simulation.
计算机模拟结果表明，时变进给切削比单调增大进给切削更能有效地抑制颤振。在一定的条件下，时变进给量变化幅度及变化频率越大，抑振效果越好。
The results of computer simulation demonstrates that it is more efficient to suppress chatter by time-varying feed rate cutting than by increasing feed rate cutting only.
该系统包括图形输入和编辑，切削加工处理以及动态模拟等部分。
The system consists of graph inputting and editing, processing and dynamic simulating of machining process.
模拟分析与试验结果表明，连续改变刀具角度是在线控制切削颤振的有效方法。
Simulation analysis and experiment results indicate that changing tool geometric angles continuously in cutting process is an effective method in on-line controlling of cutting vibrations.
有限元模拟是研究高速切削机理的有效方法，本文致力于有限元模拟所必需的关键技术研究。
Finite element simulation is an effective method to study high-speed cutting mechanism, and several key finite element techniques are studied in this paper.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
室内模拟试验表明（1）超高压喷嘴安装在钻头刀翼上能辅助PDC切削齿破岩；
Simulation test shows that, (1) fixing ultra-high pressure nozzle on the bit edge is helpful to penetration with PDC cutting teeth;
攻丝扭矩模拟评定试验方法为真正的切削试验，与切削加工的相关性较强。
The tapping torque test is a real cutting test, it has a good relativity with cutting process.
采用有限元方法模拟三维精密切削过程，包括三维正交切削和三维斜角切削。
The finite element analysis method is used to simulate the 3D precision cutting, including orthogonal cutting and oblique cutting.
铣削加工有限元模拟研究为铝合金切削加工的工艺参数优化、刀具的优选和工艺规划奠定了基础。
The study has laid a base for material process parameter optimization, tool selection optimization and technics programming.
铣削加工有限元模拟研究为铝合金切削加工的工艺参数优化、刀具的优选和工艺规划奠定了基础。
The study has laid a base for material process parameter optimization, tool selection optimization and technics programming.
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