Daido Steel has patented a method for assessing the quality of coupling tubular components by analyzing torque curves. The process involves comparing the curve obtained during screwing with reference curves in a database to determine the coupling status. The algorithm calculates torque losses for evaluation. GlobalData’s report on Daido Steel gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Daido Steel, Hydrogen fuel cells was a key innovation area identified from patents. Daido Steel's grant share as of May 2024 was 34%. Grant share is based on the ratio of number of grants to total number of patents.
Quality assessment of threaded tubular component coupling during screwing process
A recently granted patent (Publication Number: US12000750B2) outlines a method for coupling tubular components using a unique torque-based approach. The method involves engaging and rotating the components to screw threaded portions together while analyzing the torque curve generated during the process. By comparing this curve to reference curves in a database, the quality of the coupling is assessed, distinguishing between conforming and non-conforming statuses. Each non-conforming status is linked to a specific problem, aiding in troubleshooting and maintenance efforts.
Furthermore, the patent details the use of human appraisal and machine learning algorithms to allocate coupling statuses and analyze the torque curve shape at various stages of the coupling process. The algorithm compares linearity, downward-sloping portions, and areas of triangles within the curve to reference curves, enhancing the accuracy of the assessment. Additionally, the algorithm can perform principal component analysis, data clustering, and t-SNE analysis to further refine the evaluation process. This innovative method offers a systematic and data-driven approach to assessing the quality of tubular component couplings, potentially revolutionizing maintenance practices in various industries.
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