Cutting temperature of cemented carbides base self-lubricated tool embedded with solid lubricants

被引:0
|
作者
Song W. [1 ]
Deng J. [1 ]
Wu Z. [1 ]
Yan P. [1 ]
Zhang H. [1 ]
机构
[1] Department of Mechanical Engineering, Shandong University
关键词
Cutting temperature; Dry machining; Friction and wear property; Self-lubricated tool;
D O I
10.3969/j.issn.1000-1298.2010.01.039
中图分类号
学科分类号
摘要
Microholes were made on the rake of the cemented carbide tools and MoS2 solid lubricants were embedded into the microholes to form self-lubricated tools (SLT-1). Dry machining tests on hardened steel were carried out with the self-lubricated tool, the tool with microholes on the rake without solid lubricants (SLT-2) and the conventional tool (SLT-3). The variation of cutting temperature for 45# hardened steel cutting with the three cutting tools were tested by the TH5104 thermo tracer. The result shows that the cutting temperature of SLT-1 self-lubricated tool decreased obviously. It deceased 15%~20% than that of SLT-3. And the cutting temperature of SLT-2 decreased 5%~10% than that of SLT-3. Through the analysis of cutting temperature distribution, it was observed that the cutting temperature decreased and the raked face resistance was improved since self-lubricating film on the rake face decreased the shear stress and the contact length between chip and tool.
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页码:205 / 210
页数:5
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