粉末床熔融工艺能耗的参数调查、制定和基准测试

IF 3.7 Q2 ENVIRONMENTAL SCIENCES Cleaner and Responsible Consumption Pub Date : 2024-06-27 DOI:10.1016/j.clrc.2024.100205
Akshar Kota , Venkata Reddy Nallagundla , Carla Susana A Assuad , Kristian Martinsen , Suryakumar Simhambhatla
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引用次数: 0

摘要

能源消耗是评估制造工艺可持续性潜力的一个重要指标。由于具有小批量和大规模定制的潜力,增材制造(AM)工艺近年来经历了指数式增长,从而提高了人们对能源使用的生态意识。深入了解能源密集型子系统和子程序,并确定将其最小化的策略,可帮助制造商节约能源成本,同时减少碳足迹。本研究深入探讨了粉末床熔融(PBF)工艺,尤其是选择性激光熔融(SLM)工艺的能耗特性。通过实验调查,我们研究了某些因素对能耗的影响,即产能利用率、层厚度和零件方向。我们提出了一种估算 PBF 工艺中一次能耗和总能耗的新方法,提供了一个全面的能耗模型。我们的研究结果表明,随着产能利用率的提高,能耗大幅降低,每个零件的总能耗 (TEC) 降低了 32.68%。层厚变化显示,25 μm 时的 TEC 最低,这可归因于 SLM 机器减少了辅助元件的操作时间和能耗。此外,在给定的案例研究中,改变零件方向可使 TEC 降低 50%,这说明方向是影响能效的关键因素。我们的公式以实验数据和文献中的特定能耗 (SEC) 值为基准,有效地捕捉了这些参数对能源使用的影响。这项研究的洞察力推进了我们对 SLM 工艺中能源动态的理解,并为 AM 中更节能的实践铺平了道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Parametric investigation, formulation, and benchmarking of energy consumption for the powder bed fusion process

Energy consumption is an important metric used to evaluate the sustainability potential of manufacturing processes. Due to the low volume and mass customization potential, additive manufacturing (AM) processes have experienced exponential growth in recent years, resulting in heightened ecological consciousness surrounding energy usage. Gaining insight into the energy-intensive sub-systems and sub-processes and identifying strategies for their minimization enables manufacturers to save on energy costs and also aids in reducing their carbon footprint. This study delves into the energy consumption characteristics of the powder bed fusion (PBF) process, particularly selective laser melting (SLM). Through experimental investigation, we investigate how certain factors impact energy usage, namely capacity utilization, layer thickness, and part orientation. We present a novel formulation for estimating primary and total energy consumption in PBF processes, offering a comprehensive energy consumption model. Our results demonstrate significant energy savings with increased capacity utilization—up to a 32.68% reduction in total energy consumption (TEC) per part. Layer thickness variations show the lowest TEC at 25 μm, which can be attributed to the SLM machine's reduced operational time and energy usage of auxiliary components. Furthermore, altering part orientation for the given case study yielded a 50% reduction in TEC, highlighting orientation as a critical factor in energy efficiency. Our formulation, benchmarked against experimental data and specific energy consumption (SEC) values from the literature, effectively captures these parameters' influence on energy usage. The insights from this research advance our understanding of energy dynamics in SLM processes and pave the way for more energy-efficient practices in AM.

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来源期刊
Cleaner and Responsible Consumption
Cleaner and Responsible Consumption Social Sciences-Social Sciences (miscellaneous)
CiteScore
4.70
自引率
0.00%
发文量
40
审稿时长
99 days
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