英文标题：
《Informing Additive Manufacturing technology adoption: total cost and the
impact of capacity utilisation》
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作者：
Martin Baumers, Luca Beltrametti, Angelo Gasparre, and Richard Hague
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最新提交年份：
2017
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英文摘要：
Informing Additive Manufacturing (AM) technology adoption decisions, this paper investigates the relationship between build volume capacity utilisation and efficient technology operation in an inter-process comparison of the costs of manufacturing a complex component used in the packaging industry. Confronting the reported costs of a conventional machining and welding pathway with an estimator of the costs incurred through an AM route utilising Direct Metal Laser Sintering (DMLS), we weave together four aspects: optimised capacity utilisation, ancillary process steps, the effect of build failure, and design adaptation. Recognising that AM users can fill unused machine capacity with other, potentially unrelated, geometries, we posit a characteristic of \'fungible\' build capacity. This aspect is integrated in the cost estimation framework through computational build volume packing, drawing on a basket of sample geometries. We show that the unit cost in mixed builds at full capacity is lower than in builds limited to a single type of geometry; in our study this results in a mean unit cost overstatement of 157%. The estimated manufacturing costs savings from AM adoption range from 36% to 46%. Additionally, we indicate that operating cost savings resulting from design adaptation are likely to far outweigh the manufacturing cost advantage.
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中文摘要：
在通知增材制造（AM）技术采用决策时，本文通过对包装行业中使用的复杂组件的制造成本进行工序间比较，研究了批量生产能力利用率与高效技术操作之间的关系。面对传统加工和焊接路径的报告成本，以及通过使用直接金属激光烧结（DMLS）的AM路径产生的成本估算，我们将四个方面结合在一起：优化的产能利用率、辅助工艺步骤、制造故障的影响和设计适配。认识到AM用户可以用其他可能不相关的几何图形填充未使用的机器容量，我们提出了“可替代”构建容量的特征。这方面通过计算构建体积包装，在一篮子样本几何图形上绘制，集成到成本估算框架中。我们表明，在满容量条件下，混合构建的单位成本低于仅限于单一类型几何体的构建；在我们的研究中，这导致平均单位成本多报了157%。AM采用后的估计制造成本节约从36%到46%不等。此外，我们指出，设计调整带来的运营成本节约可能远远超过制造成本优势。
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分类信息：

一级分类：Quantitative Finance 数量金融学
二级分类：Economics 经济学
分类描述：q-fin.EC is an alias for econ.GN. Economics, including micro and macro economics, international economics, theory of the firm, labor economics, and other economic topics outside finance
q-fin.ec是econ.gn的别名。经济学，包括微观和宏观经济学、国际经济学、企业理论、劳动经济学和其他金融以外的经济专题
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