Temperature Simulation and Experimental Investigation of Electric Hot Minipore Drilling

doi:10.3969/j.issn.1000-565X.2011.01.018

Journal of South China University of Technology (Natural Science Edition) ›› 2011, Vol. 39 ›› Issue (1): 95-99.doi: 10.3969/j.issn.1000-565X.2011.01.018

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Temperature Simulation and Experimental Investigation of Electric Hot Minipore Drilling

Xu Lan-ying¹ Wu Qiang² Hu Xiao-fang¹ Ye Bang-yan¹ Li Yu-zhong²

1. The south China university of technology, mechanical and automotive engineering school, guangdong guangzhou 510640; 2. Guangdong technology normal college numerical control technology guangdong ordinary university key laboratory, guangdong guangzhou 510635)

Received:2010-06-17 Revised:2010-08-30 Online:2011-01-25 Published:2010-12-01
Contact: 伍强(1967一)，男，博士，副教授，主要从事先进制造技术研究 E-mail:510635wuqiang@163．cor
About author:徐兰英(1972一)，女，博士，广东技术师范学院讲师，主要从事先进制造技术研究
Supported by:
中国博士后科学基金资助项目(20090450865)；表面功能结构先进制造广东普通高校重点实验室开放基金资助项目(SFS2010-05)；2009年广东技术师范学院校级科研项目(09KJQ16)

Abstract

Abstract:

In this paper,a finite element model of drilling temperature was established based on the unsteady-state heat-conduction temperature field,and the temperature field distributions of both the chip and the workpiece were obtained by dynamically simulating the average temperature of the drilling area.Then,some single-factor experiments were carried out to reveal the effects of cutting speed,feed and drill bit diameter on the drilling temperature,and the average temperature of the drilling area was measured using a K-type thermocouple.The simulated temperature accords with the experimental one,which verifies the proposed finite element model.In addition,according to the fitting results of drilling temperature of stainless steel 1Crl8Ni9Ti obtained by orthogonal experiments,an empi-rical formula is deduced,from which it is found that the above-mentioned factors affect the drilling temperature in order of cutting speedfeed drill pit diameter.

Key words: drilling, electric heating, thermo-mechanical coupling, simulation, fitting

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Temperature Simulation and Experimental Investigation of Electric Hot Minipore Drilling

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