Centrifugal Disc Finishing of Additive Manufactured Workpieces

增材制造技术的使用越来越多，同时对灵活高效的精加工工艺的需求也越来越大，以应对新出现的挑战。对于大多数大规模精加工工艺，增材制造工件的高粗糙度值导致巨大的加工时间。高能量质量精加工工艺（例如离心盘精加工）具有高效精加工增材制造工件的潜力。然而，到目前为止，增材制造工件的离心圆盘抛光的基础研究受到很大限制。由于这个原因，离心圆盘精加工的工艺设计强烈依赖于训练有素的工人的经验，并且通过试错法进行优化，这两种方法都导致了高成本。该研究项目的主要目标是对材料去除机制进行基本分析，并系统地积累增材制造工件的精加工知识。这包括工艺参数和介质类型对粗糙度和边缘圆化方面的加工结果的影响。采用了经验研究和模拟接触强度相结合的方法。

The increasing use of additive manufacturing technologies goes in hand with an increasing demand of a flexible and efficient finishing process that meets the emerging challenges. For most mass finishing processes, high roughness values of additive manufactured workpieces lead to tremendous processing times. High-energy mass finishing processes such as centrifugal disc finishing have the potential of finishing additive manufactured workpieces efficiently. However, fundamental research on centrifugal disc finishing of additive manufactured workpieces is strongly limited up to now. For this reason process design for centrifugal disc finishing strongly relies on the experience of trained workers and optimisation is done by trial-and-error approaches, both resulting in high costs. Main goal of the research project is a fundamental analysis of the material removal mechanisms and a systematic build-up of knowledge on finishing of additive manufactured workpieces. This includes effects of the process parameters and media type on processing results in terms of roughness and edge rounding. A combined approach of empirical studies and simulated contact intensities is used.