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在原型工作站上设计和测试冷弯圆形连接件。

Designing and Testing Cold-Formed Rounded Connections Made on a Prototype Station.

作者信息

Rejek Michał, Wróbel Nikodem, Królczyk Jolanta, Królczyk Grzegorz

机构信息

Mechanical Design Department, INTROL PRO-ZAP Sp. z o.o., ul. Grabowska 47a, 63-400 Ostrów Wielkopolski, Poland.

Faculty of Mechanical Engineering, Opole University of Technology, ul. St. Mikołajczyka 5, 45-001 Opole, Poland.

出版信息

Materials (Basel). 2019 Mar 31;12(7):1061. doi: 10.3390/ma12071061.

DOI:10.3390/ma12071061
PMID:30935159
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6480373/
Abstract

This paper presents the design of cold-formed rounded connections between a tube and a connecting block and the analysis of test results that were carried out with six fabricated samples. The joints manufactured on a specially designed prototype station were made by forming tools that were adjusted to connecting elements regarding the diameter and the shape. All of the samples prepared for this study were of the same diameters relating to the diameter of a hole in a connecting block and the outer diameter of a pipe flange. However, they were different concerning the height of the connecting block flange. The article presents features of joints that were manufactured with a designed forming tool on the prototype station. The achieved connections were examined in destructive testing (Micrography, Tensile Strength Test) and in non-destructive testing (Leakage Test). The research project aims were to state the differences in energy consumption of made connections and extend the concept of cold-formed rounded connections. Furthermore, this article presents the effects of FEA simulation of the cold-formed joint based on the results of destructive and non-destructive tests.

摘要

本文介绍了管材与连接块之间冷弯圆形连接件的设计以及对六个制作样品进行的测试结果分析。在专门设计的原型工作站上制造的接头是通过成型工具制成的，这些工具针对连接元件的直径和形状进行了调整。本研究准备的所有样品与连接块上孔的直径和管法兰的外径具有相同的直径。然而，它们在连接块法兰的高度方面有所不同。本文介绍了在原型工作站上使用设计的成型工具制造的接头的特点。对制成的连接件进行了破坏性测试（显微照相、拉伸强度测试）和非破坏性测试（泄漏测试）。该研究项目的目标是阐明制成连接件的能耗差异，并扩展冷弯圆形连接件的概念。此外，本文根据破坏性和非破坏性测试的结果展示了冷弯接头的有限元分析模拟结果。

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