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Drilling Burr Minimization by Changing Drill Geometry.

作者信息

Franczyk Emilia, Ślusarczyk Łukasz, Zębala Wojciech

机构信息

Production Engineering Institute, Mechanical Faculty, Cracow University of Technology, Al. Jana Pawła II 37, 31-864 Kraków, Poland.

出版信息

Materials (Basel). 2020 Jul 18;13(14):3207. doi: 10.3390/ma13143207.

DOI:10.3390/ma13143207
PMID:32708491
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7411972/
Abstract

This article presents an attempt to solve the problem of the formation of burrs and drilling caps in the process of drilling in difficult-to-cut materials, specifically in the titanium alloy Ti-6Al-4V. In order to eliminate these phenomena, a chamfer of specific length and angle was made on FANAR drill's margin. Taguchi and ANOVA methods were used to plan and analyze the experiment aimed at determining the optimal geometry of the modified drill. Chamfer with a length of 2 mm and an angle of 10° was selected. In the next stage of research, the values of cutting forces and burr heights obtained during drilling with the original and modified drill were compared for three different feed rate values. It turned out that the introduced changes significantly reduced both the axial cutting force (22-23%) and the height of burrs (10-22%) and caused the complete elimination of the presence of drilling caps. Additionally, a positive correlation between the cutting force and the burr size was found.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/a68ed7ba784b/materials-13-03207-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/5be14a795eed/materials-13-03207-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/498d9607e1fb/materials-13-03207-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/fd047527fc92/materials-13-03207-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/70c3a2bb53d9/materials-13-03207-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/af64f4981fa4/materials-13-03207-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/6ac84349586e/materials-13-03207-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/ca4ca586944a/materials-13-03207-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/9d49a9997014/materials-13-03207-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/ace990a65c3a/materials-13-03207-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/3da40372353c/materials-13-03207-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/c0b49936ae49/materials-13-03207-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/1b6df3365f65/materials-13-03207-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/803935e1de84/materials-13-03207-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/bb4115c2028f/materials-13-03207-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/a68ed7ba784b/materials-13-03207-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/5be14a795eed/materials-13-03207-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/498d9607e1fb/materials-13-03207-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/fd047527fc92/materials-13-03207-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/70c3a2bb53d9/materials-13-03207-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/af64f4981fa4/materials-13-03207-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/6ac84349586e/materials-13-03207-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/ca4ca586944a/materials-13-03207-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/9d49a9997014/materials-13-03207-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/ace990a65c3a/materials-13-03207-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/3da40372353c/materials-13-03207-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/c0b49936ae49/materials-13-03207-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/1b6df3365f65/materials-13-03207-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/803935e1de84/materials-13-03207-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/bb4115c2028f/materials-13-03207-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ee53/7411972/a68ed7ba784b/materials-13-03207-g015.jpg

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本文引用的文献

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2
Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant.采用高压冷却液加工5级超低间隙钛合金
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4
Numerical Analysis of the Forming Mechanism of Exit Burrs in Metal Milling under Ice Boundary Constraint.冰边界约束下金属铣削中出口毛刺形成机制的数值分析
Materials (Basel). 2022 Aug 12;15(16):5546. doi: 10.3390/ma15165546.
5
A Comparative Study on the Structure and Quality of SLM and Cast AISI 316L Samples Subjected to WEDM Processing.对经过电火花线切割加工的选择性激光熔化成型和铸造AISI 316L试样的结构与质量的对比研究
Materials (Basel). 2022 Jan 18;15(3):701. doi: 10.3390/ma15030701.
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Investigation and Optimization of the SLM and WEDM Processes' Parameters for the AlSi10Mg-Sintered Part.AlSi10Mg 烧结零件的选择性激光熔化（SLM）和电火花线切割加工（WEDM）工艺参数的研究与优化
Materials (Basel). 2021 Jan 15;14(2):410. doi: 10.3390/ma14020410.