4.7 Article

Evaluation of the cutting performance of micro-groove-textured PCD tool on SiCp/Al composites

期刊

CERAMICS INTERNATIONAL
卷 48, 期 21, 页码 32389-32398

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.07.182

关键词

Micro-groove-textured PCD tool; SiCp/al composite; Rounded-corner texture; Tool wear and adhesion; Multi-body contact

资金

  1. National Key Research and Development Plan Project [2018YFB1107403]
  2. 111 Project of China [D17017]
  3. Jilin Province Scientific and Technological Development Program [20190101005JH, 20180201057GX, 20190302076GX]
  4. Science Fund for Youth Scholars of Changchun University of Science and Technology [XQNJJ-2018-09]

向作者/读者索取更多资源

The cutting performance of textured polycrystalline diamond tools on SiCp/Al composites was studied and it was found that texture parameters play a significant role in machining. Textured tools reduce cutting force and tool wear, improve surface quality, and change the chip flow direction. The cutting mechanism of textured tools was elucidated through numerical simulation.
The cutting performance of textured polycrystalline diamond (PCD) tools on SiCp/Al composites is studied using an orthogonal cutting experiment. Micro-grooves with rounded corners are machined on the tool. Two texture parameters, namely the distance between the texture and main cutting edge and the texture spacing, were varied to investigate their influence on the cutting performance. The former is found to play a more important role in machining. Compared with non-textured tools, textured tools reduce the cutting force and tool wear, improve the surface quality, and change the chip flow direction to produce an anti-adhesion effect during cutting. To elucidate the cutting mechanism of textured tools, the cutting performance of tools with different micro-groove shapes is numerically studied using the finite element method. The simulation results indicate that a microgroove-textured PCD tool with rounded corners reduces the interaction between the tool texture and chips, and the particles in the interface play a supportive and rolling role between the chip and tool surface.

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