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Guidelines to compare additive and subtractive manufacturing approaches under the energy demand perspective

机译:在能量需求的角度下比较添加剂和减法制造方法的准则

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摘要

In order to characterise the environmental performance of additive manufacturing (AM) processes, comparative analyses are required. Different manufacturing approaches (such as additive and subtractive ones), besides adopting different equipment, use different kinds and amounts of material. Therefore, the material-related flow has to be followed throughout the entire product life. Differences in environmental impact arise at each step of the life cycle: material production, manufacturing, use, disposal, and transportation. A life cycle-based methodology able to take due account of all the factors of influence on the total energy demand for the production of metal components is given in this paper. Decision support tools for identifying the most sustainable manufacturing route (subtractive versus AM-based approaches) are presented for different scenarios. The aim of the present paper is to contribute to the debate concerning the environmental impact characterisation of AM processes.
机译:为了表征添加剂制造的环境性能(AM)过程,需要比较分析。 除了采用不同的设备外,还使用不同的制造方法(如添加剂和减数的方法)使用不同种类和数量的材料。 因此,必须在整个产品寿命中遵循材料相关的流动。 在生命周期的每个步骤中产生环境影响的差异:材料生产,制造,使用,处置和运输。 本文给出了一种基于生命周期的方法,能够应对所有对生产金属部件的总能量需求的所有影响因素的因素。 用于识别最可持续的制造路线(基于减肥与AM的方法)的决策支持工具是针对不同方案的。 本文的目的是有助于关于AM过程的环境影响表征的辩论。

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