硬质合金刀具铣削镍基单晶高温合金DD5磨损试验

doi:10.12068/j.issn.1005-3026.2018.09.014

东北大学学报:自然科学版 ›› 2018, Vol. 39 ›› Issue (9): 1283-1288.DOI: 10.12068/j.issn.1005-3026.2018.09.014

硬质合金刀具铣削镍基单晶高温合金DD5磨损试验

巩亚东，梁彩霞，李强，刘洺君

(东北大学机械工程与自动化学院，辽宁沈阳110819)

收稿日期:2017-05-22 修回日期:2017-05-22 出版日期:2018-09-15 发布日期:2018-09-12
通讯作者: 巩亚东
作者简介:巩亚东(1958-)，男，辽宁本溪人，东北大学教授，博士生导师.冯明杰(1971-)，男，河南禹州人，东北大学副教授; 王恩刚(1962-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51375082).国家自然科学基金资助项目(51171041).

Wear Experiment of Carbide Tool for Milling Nickel-Based Single Crystal Superalloy DD5

GONG Ya-dong， LIANG Cai-xia， LI Qiang， LIU Ming-jun

School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China.

Received:2017-05-22 Revised:2017-05-22 Online:2018-09-15 Published:2018-09-12
Contact: GONG Ya-dong
About author:-
Supported by:
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摘要/Abstract

摘要： 为探究在干切削和水基微量润滑(WMQL)条件下刀具磨损对DD5铣削表面质量的影响规律，采用四刃PVD-TiAlN涂层硬质合金刀具以及超景深显微镜和扫描电镜等设备，以刀具副后刀面磨损宽度为主要评价指标，对硬质合金刀具副后刀面磨损形态、磨损机理进行分析和研究，并采用三维轮廓仪对零件表面粗糙度进行测量.研究结果表明，与干切削相比，采用水基微量润滑冷却技术，能够延长刀具寿命并改善材料的铣削加工性;硬质合金刀具的主要磨损机理为粘结磨损、磨粒磨损、氧化磨损和扩散磨损.

关键词: 单晶高温合金DD5, 铣削, 刀具磨损, 磨损机理, 水基微量润滑

Abstract: To explore the regulation of tool wear on milling surface of DD5 under the conditions of dry cutting and water-based minimum quantity lubrication(WMQL)， carbide tool with four blades and PVD-TiAlN coating， super depth of field microscope and scanning electron microscopy(SEM)were employed. Taking the wear width of minor flank surface of cutting tool as the evaluation indicator， tool wear forms and wear mechanism were analyzed and studied. Three-dimensional measuring system profiler was used to measure the machined surface roughness. The result shows that， compared to dry cutting， water-based MQL technology can prolong tool life and improve the milling performance. The wear of carbide tool is caused by adhesion wear， oxidative wear， abrasive wear and diffusion wear.

Key words: single crystal superalloy DD5, milling, tool wear, wear mechanism, water-based minimum quantity lubrication(WMQL)

中图分类号:

TH161

巩亚东，梁彩霞，李强，刘洺君. 硬质合金刀具铣削镍基单晶高温合金DD5磨损试验[J]. 东北大学学报:自然科学版, 2018, 39(9): 1283-1288.

GONG Ya-dong， LIANG Cai-xia， LI Qiang， LIU Ming-jun. Wear Experiment of Carbide Tool for Milling Nickel-Based Single Crystal Superalloy DD5[J]. Journal of Northeastern University Natural Science, 2018, 39(9): 1283-1288.

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硬质合金刀具铣削镍基单晶高温合金DD5磨损试验

Wear Experiment of Carbide Tool for Milling Nickel-Based Single Crystal Superalloy DD5

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