Due to the continually increasing popularity of metal powder-based additive manufacturing as a production process in recent years, there has been growing research into improving the surface quality of the parts manufactured in this way. Laser polishing offers great potential as a finishing technique due to its flexibility and suitability for automation. However, the complexity of components that can be produced with additive manufacturing processes presents challenges in developing practical and flexible arrangements for implementing a laser polishing process. In this paper, we offer methods to manage height variations of parts using weakly focused beams, process components that are (roughly) cylindrical using rotational stages, and polishing of internal surfaces using simple optics. As an example application, we present finishing of additively manufactured cobalt chrome dental implants to a surface roughness of 0.45 μm in only 60 s using a low-cost fiber delivered diode array laser.

中文翻译：

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在增材制造的金属部件上实际实施激光抛光

由于近年来基于金属粉末的增材制造作为一种生产工艺越来越受欢迎，因此越来越多的研究以提高以这种方式制造的零件的表面质量。由于其灵活性和自动化适用性，激光抛光作为一种精加工技术具有巨大的潜力。然而，可以使用增材制造工艺生产的组件的复杂性在开发用于实施激光抛光工艺的实用和灵活的安排方面提出了挑战。在本文中，我们提供了使用弱聚焦光束管理零件高度变化的方法，使用旋转平台处理（大致）圆柱形的组件，以及使用简单光学器件抛光内表面。作为示例应用程序，