Effect of milling parameters on HSLA steel parts produced by Wire and Arc Additive Manufacturing (WAAM)
Effect of milling parameters on HSLA steel parts produced by Wire and Arc Additive Manufacturing (WAAM)
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DOI：
10.1016/j.jmapro.2020.10.007
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发表时间：
2020-11-01
影响因子：
6.2
通讯作者：
Oliveira, J. P.
中科院分区：
文献类型：
--
作者：
Lopes, J. G.;Machado, Carla M.;Oliveira, J. P.
增材制造被认为是工业世界发展的动力。最近的进展表明，线弧增材制造（WAAM）有可能成为制造大型复杂形状金属部件的相关方法。在这项研究中，我们解决了一个最重要的后处理方法WAAM零件用于结构应用，铣削。在这项工作中，薄壁高强度低合金钢零件的WAAM制造和其微观组织特征。结果表明，成形件的力学行为对铣削加工过程没有显著影响。总体而言，可以确定的是，铣削表面的质量提高，即具有较低的粗糙度，随着切削速度的增加和每齿进给量的减少。尽管如此，我们强调需要更多地关注WAAM后的后处理加工操作，以建立旨在减少刀具磨损的最佳策略，同时保持高表面质量和生产率。
Additive manufacturing is considered a motivator for the development of the industrial world. Recent advances show that Wire and Arc Additive Manufacturing (WAAM) has the potential to become a relevant method for the fabrication of large complex-shaped metallic components. In this study, we address one of the most important post-processing methods for WAAM parts to be used in structural applications, milling.In this work, thin-walled high strength low alloy steel parts were manufactured by WAAM and their micro-structure was characterized. Then, a milling strategy which considered the microstructure and local mechanical properties of each part was employed.The results show that the mechanical behavior of the as-built parts does not yield a significant influence on the milling process. Overall, it was ascertained that the quality of the milled surfaces improves, that is, has lower roughness, with the increase of cutting speed and with the decrease of feed per tooth. Nevertheless, we highlight the need for more attention to be dedicated on post-process machining operations after WAAM, to establish the best strategies aiming at decreasing tool wear, while maintaining both high surface quality and production rates.