Temperature Field Simulation and Experimental Research on Controlable Burned Grinding by Discharge-Induced

China Mechanical Engineering ›› 2013, Vol. 24 ›› Issue (6): 811-815.

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Temperature Field Simulation and Experimental Research on Controlable Burned Grinding by Discharge-Induced

Liu Zhidong;Wang Lin;Tian Zongjun;Qiu Mingbo;Yu Jianyuan

Nanjing University of Aeronautics & Astronautics,Nanjing,210016

Online:2013-03-25 Published:2013-04-08
Supported by:

National Natural Science Foundation of China（No. 51175256,51205197）;

Jiangsu Provincial Natural Science Foundation of China（No. BK2011732）;
Aviation Science Foundation of China（No. 2011ZE52060）

电火花诱导可控烧蚀磨削温度场仿真及试验研究

刘志东;王琳;田宗军;邱明波;于建元

南京航空航天大学,南京,210016

基金资助:
国家自然科学基金资助项目(51175256,51205197);江苏省自然科学基金资助项目（BK2011732）；航空基金资助项目（2011ZE52060）；江苏省普通高校研究生科研创新计划资助项目（CXLX12-0138）
National Natural Science Foundation of China（No. 51175256,51205197）;

Jiangsu Provincial Natural Science Foundation of China（No. BK2011732）;
Aviation Science Foundation of China（No. 2011ZE52060）

Abstract

Abstract:

The temperature field of controllable burned grinding by discharge-induced,which consisted of spark discharge and burned machining,was simulated with finite element method.Mathematical models and boundary conditions were constructed,the temperature field of spark discharge was simulated firstly,and the temperature field distribution was obtained.Then the temperature field of burned machining based on spark discharge was simulated,and distribution of the whole burned grinding was obtained.The simulation results were verified by processing experiments.The results show that,simulation result of softened layer depth (74μm) is similar to machining one(68μm ),which proves that finite element simulation is viable for the prediction of machining effect of controllable burned grinding by discharge-induced under a certain condition. 

Key words: burning, grinding, finite element method, softened layer

摘要：

应用有限元分析软件对电火花诱导可控烧蚀磨削温度场进行模拟仿真,将烧蚀磨削温度场分为火花放电和烧蚀加工两部分的叠加。建立数学模型及边界条件,首先对火花放电温度场进行仿真,得到其温度场分布,而后在放电温度场结果基础上进行烧蚀加工的温度场仿真,得到整体烧蚀温度场分布情况。对钛合金TC4进行软化层厚度测试的工艺试验,结果表明:烧蚀软化层厚度的仿真结果(74μm)与试验结果(68μm)基本一致,说明有限元仿真对一定参数条件下的电火花诱导可控烧蚀磨削工艺效果的预测是可行的。

关键词: 烧蚀, 磨削, 有限元法, 软化层

CLC Number:

TG661

LIU Zhi-Dong, WANG Lin, TIAN Zong-Jun, QIU Meng-Bei, XU Jian-Yuan. Temperature Field Simulation and Experimental Research on Controlable Burned Grinding by Discharge-Induced[J]. China Mechanical Engineering, 2013, 24(6): 811-815.

刘志东, 王琳, 田宗军, 邱明波, 于建元. 电火花诱导可控烧蚀磨削温度场仿真及试验研究[J]. 中国机械工程, 2013, 24(6): 811-815.

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Temperature Field Simulation and Experimental Research on Controlable Burned Grinding by Discharge-Induced

电火花诱导可控烧蚀磨削温度场仿真及试验研究

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