[Data] Judgment of Pass/Fail Based on 3D Measurement and Axial Force Evaluation of High-Strength Bolts and Nuts
Determining pass/fail criteria based on FEM analysis! Introducing evaluation procedures based on 3D measurement data.
This document introduces the pass/fail judgment based on three-dimensional measurement and axial force evaluation of high-strength bolts and nuts that have experienced corrosion and reduction in thickness. In evaluating the reliability of flange connections and bridges that utilize high-strength bolts and nuts, it is essential to specifically understand the reduction in thickness of the nuts and assess the remaining axial force; however, there have traditionally been no established evaluation criteria. In this document, we determine the pass/fail judgment criteria based on the experience from refineries and factories, as well as FEM analysis, and present the evaluation procedure based on three-dimensional measurement data. We encourage you to read it. [Contents] ■ Introduction *For more details, please refer to the PDF document or feel free to contact us.
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Seikowave, K.K. contributes to the improvement of safety and security in social infrastructure through the development and sale of 3D measurement devices (3D scanners). In 2010, we established corporations in the United States and Japan, and since then, we have been promoting our business by focusing on the joint development of hardware for 3D measurement devices and software for analysis and evaluation of corrosion, among other things. Leveraging our past technologies and know-how, we provide products and services primarily for the Japanese market that can be used for inspecting the aging deterioration of social infrastructure structures (steel structures and concrete structures) and diagnosing whether the aging deterioration of production facilities in oil and petrochemical complexes can continue to operate safely. Maintenance of aging social infrastructure is an essential field that cannot be avoided. By replacing traditional visual and sensory evaluations with data-based assessments, we can achieve safer maintenance management while keeping costs down. We are committed to promoting our business to continue contributing to the improvement of safety and security in society. Representative Director, Minoru Shinmura
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