| 刀尖圆半径对718镍基合金热加工过程影响的有限元仿真 |
| |
| 引用本文： | 扶文树.刀尖圆半径对718镍基合金热加工过程影响的有限元仿真[J].有色金属工程,2020(5). |
| |
| 作者姓名： | 扶文树 |
| |
| 作者单位： | 南京信息职业技术学院 |
| |
| 基金项目： | 国家重点研发计划“智能机器人”重点专项(2017YFB1300600) |
| |
| 摘 要： | 本文采用有限元模拟方法，研究了718镍基合金热车削过程中刀尖圆半径对切削力、切削温度以及切削区域应力的变化规律的影响。取刀尖半径的三个值(0.4、0.8和1.2 mm)。在室温和加热条件下，使用商用有限元软件Deform分析了不同刀尖圆半径下的切削力、切身抗力、切削区域应力以及温度分布情况。结果表面，无论是在室温还是在较高温度的加工条件下，随着刀尖圆半径的增大，切削力和切深抗力都增大，同时研究了切削温度、切屑厚度和切屑-刀具接触长度。为了验证仿真结果，进行了实验分析，并观察到它们之间的良好的一致性。
|
| 关 键 词： | 718镍基合金 刀尖圆 磨损 有限元 切削温度 |
| 收稿时间： | 2019/9/21 0:00:00 |
| 修稿时间： | 2019/10/22 0:00:00 |
Finite Element Simulation of Influence of Tool Tip Radius on Hot Working Process of 718 Nickel-Base Alloy |
| |
| fuwenshu.Finite Element Simulation of Influence of Tool Tip Radius on Hot Working Process of 718 Nickel-Base Alloy[J].Nonferrous Metals Engineering,2020(5). |
| |
| Authors: | fuwenshu |
| |
| Abstract: | In this paper, the influence of turning head radius on cutting force, cutting temperature and stress in cutting area during hot turning of 718 nickel-base alloy is studied by finite element method. Three values (0.4, 0.8 and 1.2 mm) of the tip radius are taken. Under room temperature and heating conditions, the cutting force, cutting resistance, stress and cutting temperature under different radius of tool tip were analyzed by using commercial finite element software Deform. Whether at room temperature or at higher temperatures, the cutting force and thrust increase with the increase of tool tip radius. Meanwhile, cutting temperature, chip thickness and chip-tool contact length are studied. In order to verify the simulation results, experimental analysis is carried out and good consistency between them is observed. |
| |
| Keywords: | Inconel 718 tool nose wear finite element cutting temperature |
|
| 点击此处可从《有色金属工程》浏览原始摘要信息 |
|
点击此处可从《有色金属工程》下载全文 |
