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Open AccessArticle

Study on the Cutting Performance of Micro Textured Tools on Cutting Ti-6Al-4V Titanium Alloy

School of Mechanical and Automotive Engineering, National and local joint Engineering Research Center for efficient resource utilization of metallurgical slag, Qingdao University of Technology, Qingdao 266520, China
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Micromachines 2020, 11(2), 137; https://doi.org/10.3390/mi11020137
Received: 25 December 2019 / Revised: 17 January 2020 / Accepted: 21 January 2020 / Published: 25 January 2020
(This article belongs to the Section D:Materials and Processing)
Titanium alloys are widely used in various fields, but their machinability is poor because the chip would easily adhere to the tool surface during cutting, causing poor surface quality and tool wear. To improve the cutting performance of titanium alloy Ti-6Al-4V, experiments were conducted to investigate the effect of micro textured tool on the cutting performances. The cemented carbide tools whose rake faces were machined with line, rhombic, and sinusoidal groove textures with 10% area occupancy rates were adopted as the cutting tools. The effects of cutting depth and cutting speed on feed force and main cutting force were discussed based on experimental results. The results show that the cutting force produced by textured tools is less than that produced by non-textured tools. Under different cutting parameters, the best cutting performance can be obtained by using sinusoidal textured tools among the four types of tools. The wear of micro textured tools is significantly lower than that of non-textured tools, due to a continuous lubrication film between the chip and the rake face of the tool that can be produced because the micro texture can store and replenish lubricant. The surface roughness obtained using the textured tool is better than that using the non-textured tool. The surface roughness Ra can be reduced by 35.89% when using sinusoidal textured tools. This study is helpful for further improving the cutting performance of cemented carbide tools on titanium alloy and prolonging tool life.
Keywords: textured tool; titanium alloy; cutting performance; cutting force; cutting fluid textured tool; titanium alloy; cutting performance; cutting force; cutting fluid
MDPI and ACS Style

Zheng, K.; Yang, F.; Zhang, N.; Liu, Q.; Jiang, F. Study on the Cutting Performance of Micro Textured Tools on Cutting Ti-6Al-4V Titanium Alloy. Micromachines 2020, 11, 137.

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