Question of optimal cutting speed for machining by conventional and coated cutting tools

被引：0
|
作者：
Vasilko, Karol [1 ]
Murcinková, Zuzana [1 ]
机构：
[1] Faculty of Manufacturing Technologies, Technical university of Košice with a seat in Prešov, Bayerova 1, Prešov,080 01, Slovakia
来源：
Manufacturing Technology | 2015年 / 15卷 / 03期
关键词：
Cutting - Cutting tools - Turning - Wear of materials;
D O I：
10.21062/ujep/x.2015/a/1213-2489/mt/15/3/483
中图分类号：
学科分类号：
摘要：
The paper dealt with tool-wear, tool-life and chip creation regarding the cutting speed for machining by conventional and coated tools. The cutting speed is influenced by several parameters. The determination of optimal cutting speed is challenging question. Situation is more complicated in case of coated tools. The important is criterion of optimization. Moreover, the presence of the coating changes chip creation process and stress state during cutting. The paper provides complete experimental T-vc dependencies obtained in turning regarding various parameters as depth of cut, feed for different machined and cutting tool materials. Paper describes also different toolwear mechanisms of uncoated and coated tools. Finally, the paper analyzes stress state in tool as simplified model of contact of tool rake and chip for conventional and coated tools involving different mechanical properties of coating and substrate material, temperature and different thicknesses of coatings. © 2015. Published by Manufacturing Technology.
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页码：483 / 490
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