Comparison of dimensional tolerance grades for metal AM processes

机译：金属AM工艺尺寸公差等级的比较

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摘要

Each manufacturing process produces geometric features with some dimensional errors from the ideal nominal geometry.The knowledge of the dimensional tolerances associated with the specific fabrication process is fundamental for choosing the proper sequence of finishing operations to meet the design requirements.While the ranges of dimensional tolerances for traditional manufacturing processes are well mapped in the literature,a little information is available for additive manufacturing (AM) techniques.In this paper,a benchmarking analysis is carried out between two different AM processes for metals and the dimensional accuracy of each AM machine is defined using the ISO IT grades of a reference artifact.

机译：每个制造过程产生几何特征，具有来自理想的标称几何形状的一些尺寸误差。与特定制造过程相关的尺寸公差的知识是选择适当的精加工操作序列来满足设计要求的基础。尺寸公差的范围对于传统的制造过程，在文献中均良好映射，有点信息可用于加性制造（AM）技术。本文在两种不同的金属工艺之间进行了基准分析，每台AM机器的尺寸精度是使用参考工件的ISO IT等级定义。

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《CIRP Conference on Intelligent Computation in Manufacturing Engineering》|2020年|629 p.|共6页
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Paolo Minetola; Manuela Galati; Flaviana Calignano;
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中图分类 TP389.1-532;
关键词
Benchmarking; Accuracy; Selective laser melting; Electron beam melting; IT grades;

机译：基准;准确性;选择性激光熔化;电子束熔化;它等级;

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1. Comparison of dimensional tolerance grades for metal AM processes [J] . Paolo Minetola, Manuela Galati, Flaviana Calignano, Procedia CIRP . 2020,第5aPartaA期

机译：金属AM工艺尺寸公差等级的比较
2. A comparison of lead accumulation and tolerance among heavy metalTI A comparison of lead accumulation and tolerance among heavy metal hyperaccumulating and non-hyperaccumulating metallophytes [J] . Mohtadi A, Ghaderian SM, Schat H Plant and Soil . 2012,第1a2期

机译：重金属TI中铅积累和耐受性的比较重金属和非超积累金属植物中铅积累和耐受性的比较
3. Comparison between slag refining processes for B removal with metallurgical grade silicon and Si-Sn alloy [J] . Al-khazraji Rowaid, Li Yaqiong, Zhang Lifeng Metallurgical Research & Technology . 2018,第3期

机译：冶金级硅和Si-Sn合金B脱离炉渣精制工艺的比较
4. Comparison of dimensional tolerance grades for metal AM processes [C] . Paolo Minetola, Manuela Galati, Flaviana Calignano CIRP Conference on Intelligent Computation in Manufacturing Engineering . 2020

机译：金属AM工艺尺寸公差等级的比较
5. Prediction of variation in dimensional tolerance due to sheet metal hydroforming using finite element analysis. [D] . Pandya, Rajen Subhashchandra. 2006

机译：使用有限元分析预测由于钣金液压成形而引起的尺寸公差变化。
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Comparison of dimensional tolerance grades for metal AM processes

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