Novel electro-polishing technology for additive manufactured titanium parts

被动行动(PA)，蒙特利尔，QC，是专门从事金属零件的电抛光，主要专业知识 不锈钢部件。PA目前使用成熟的技术来抛光不锈钢的表面 并能去除尖锐的边缘和去毛刺，以满足市场需求。自2014年以来，该公司希望 瞄准新市场，特别是航空航天和医疗市场。最近，在这两个市场， 加法制造(AM)在世界范围内被引入，使得能够精确地制造复杂的三个 维度结构，导致了改变游戏规则的制造概念。尽管AM技术是 变革航空航天和生物医疗设备行业，获得良好的表面质量和几何形状 准确性仍然是一个重大挑战。由于其优异的性能，钛合金被广泛应用于 这些针对AM的应用程序到目前为止，PA还不能满足钛零件的表面抛光和去毛刺需求。 拟议中的研究项目旨在探索一种替代的电抛光工艺，在这种工艺中，钛可以 抛光，这样1)表面粗糙度可以降低，2)边缘可以去毛刺。这将极大地 增加公司进入新目标市场的机会并完成要求的去毛刺 对钛零件的要求。 这种替代的、新的电抛光技术使用了无害的电解液和脉冲 可降低所需钛零件表面粗糙度并去除边缘毛刺的技术。 通过帮助解决当前钛制件上的AM问题，如降低表面粗糙度和 在解决传统制造技术问题的同时，该项目将提供 加拿大公司(PA)在国际上拥有强大的市场地位。由于PA总部设在蒙特利尔，正在扩张 它们在前景看好的新领域的能力可能会创造新的就业机会，从而提供 总体上对加拿大有利。

Passive Action (PA), Montreal, QC, is specialized in electropolishing of metal work-pieces with main expertise in stainless steel parts. PA currently uses well-established techniques to polish the surface of stainless steel parts, and to remove sharp edges and deburr to satisfy the needs of the market. Since 2014 the company wants to target new markets, in particular the aerospace and medical markets. Recently, in both of these markets, additive manufacturing (AM) was introduced world-wide, enabling precise fabrication of complex three dimensional structures, resulting in game-changing manufacturing concepts. Although AM technology is revolutionizing the aerospace and biomedical device industries, obtaining good surface quality and geometrical accuracy still represents a major challenge. Due to its superior properties, titanium alloys are mostly used in these applications for AM. So far PA cannot fulfill the surface polish and deburring demand for titanium parts. The proposed research project aims to explore an alternative electropolishing process, where titanium can be polished, such that 1) surface roughness can be reduced and 2) edges can be deburred. This will drastically enhance the company's chances to enter their new targeted markets and fulfill the demanded deburring requirements for titanium parts. This alternative, new electropolishing technology makes use of non-hazardous electrolytes and pulse technology to decrease the surface roughness and deburr the edges of the desired titanium workpieces. By helping to address current AM issues on fabricated titanium parts such as reducing surface roughness and at the same time deburring issues for conventional manufacturing technologies, this project will give this Canadian company (PA) a strong market position internationally. Since PA is based in Montreal, expanding their capabilities in highly promising new areas may lead to the creation of new jobs, and thereby provide a benefit to Canada overall.