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利用模态分析开发质量控制系统以评估多点凸焊工艺

Development of a Quality Control System Using Modal Analysis to Evaluate a Multi-Point Projection Welding Process.

作者信息

Karpiński Maciej, Sokołowski Paweł, Kustroń Paweł, Mikno Zygmunt, Jopek Wojciech, Pikuła Janusz

机构信息

Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, 50-371 Wroclaw, Poland.

ASPA Sp. z.o.o., Macieja Miechowity 1, 51-162 Wroclaw, Poland.

出版信息

Materials (Basel). 2024 Oct 13;17(20):5005. doi: 10.3390/ma17205005.

DOI:10.3390/ma17205005
PMID:39459710
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11509263/
Abstract

The article presents the results of the development and research regarding the application of modal analysis to the evaluation of a multi-point projection welding process. The quality control system is based on the information provided by modal analysis for the entire welding station after the previously completed welding process. The research is carried out due to the lack of an effective method for assessing the course of the multi-spot projection welding process in the case of a single current circuit passing through many points at the same time. A study of the applicability of modal analysis in investigating the quality of a multipoint joint was conducted for four DIN 928 nuts welded to a steel profile. The aim of the study was to determine the influence of weld defects on the displacement of resonant frequencies. To realize the objective, the dynamic properties of the entire welding station, including the sample in the frequency domain, were investigated. In the first stage of the study, a finite element method was used to perform modal analysis and examine the form of vibrations for the individual natural frequencies of the welding fixture including the sample. Then, quality verification using the dynamic resistance method was performed, which was compared later with the modal approach. The last stage of the study was to conduct modal analysis in the frequency domain to verify the numerical studies.

摘要

本文介绍了将模态分析应用于多点凸焊工艺评估的开发与研究成果。质量控制系统基于在先前完成焊接工艺后对整个焊接站进行模态分析所提供的信息。开展这项研究是因为在单个电流回路同时通过多个点的情况下,缺乏评估多点凸焊工艺过程的有效方法。针对焊接到钢型材上的四个DIN 928螺母,进行了模态分析在多点接头质量研究中的适用性研究。该研究的目的是确定焊接缺陷对共振频率位移的影响。为实现这一目标,研究了整个焊接站在频域中的动态特性,包括样品的动态特性。在研究的第一阶段,使用有限元方法进行模态分析,并检查包括样品在内的焊接夹具各个固有频率的振动形式。然后,使用动态电阻法进行质量验证,随后将其与模态方法进行比较。研究的最后阶段是在频域中进行模态分析,以验证数值研究结果。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2573/11509263/b14ce47a5260/materials-17-05005-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2573/11509263/9435121d0368/materials-17-05005-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2573/11509263/bac23398fa5a/materials-17-05005-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2573/11509263/99297b5c6a6c/materials-17-05005-g018.jpg
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Artificial Neural Networks and Experimental Analysis of the Resistance Spot Welding Parameters Effect on the Welded Joint Quality of AISI 304.
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Materials (Basel). 2024 May 6;17(9):2167. doi: 10.3390/ma17092167.