Classification of Dimensional Deviation in Additive Manufacturing LPBF Process for AlSi10Mg Alloy According to ISO 286 and ANSI B4.2

Volume 2: 41st Computers and Information in Engineering Conference (CIE) Pub Date : 2021-08-17 DOI:10.1115/detc2021-71683

S. B. Amor, Floriane Zongo, B. Louhichi, V. Brailovski, Antoine Tahan

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Abstract

Additive manufacturing (AM) processes are gaining popularity and are currently used in many research activities including the biomedical applications, the automotive industries and the aerospace. Laser powder bed fusion (LPBF) is an important AM process. Metallic LPBF process is experiencing significant growth, but one of the difficulties facing this growth is limited knowledge of its dimensional and geometrical performances, in addition to the inability to predict it. In this paper, we present the dimensional deviations of some LPBF-manufactured parts selected for this investigation. a uniform method was developed regarding relevant test specimens to examine dimensional deviations in order to derive dimensional tolerance values. The manufactured test specimens were measured to examine the process dimensional deviations behavior. These parts were manufactured from AlSi10Mg powder using an EOSINT M280 printer. The results show possible dimensional tolerance values that were classified from IT1 to IT11 according to the international standard ISO 286.

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基于ISO 286和ANSI B4.2的AlSi10Mg合金增材制造LPBF工艺尺寸偏差分类

增材制造(AM)工艺越来越受欢迎，目前用于许多研究活动，包括生物医学应用，汽车工业和航空航天。激光粉末床熔融(LPBF)是一种重要的增材制造工艺。金属LPBF工艺正经历着显著的增长，但这种增长面临的困难之一是对其尺寸和几何性能的了解有限，此外还无法预测它。在本文中，我们给出了为本研究选择的一些lpbf制造的零件的尺寸偏差。针对相关试样，提出了一种统一的方法来检查尺寸偏差，从而得出尺寸公差值。对制造的试样进行测量，以检查工艺尺寸偏差行为。这些部件是由AlSi10Mg粉末使用EOSINT M280打印机制造的。根据国际标准ISO 286，给出了可能的尺寸公差值IT1 ~ IT11。

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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Volume 2: 41st Computers and Information in Engineering Conference (CIE)

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