Forming state recognition in deep drawing process with machine learning

In press processing, quality inspection of a product is often carried out for each lot in the post process stage. When a failure occurs, it may result in a large number of defective products due to the fast processing speed. In order to prevent this, it is ideal to immediately stop the processing ju...

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Main Authors: Tomohiro TSURUYA, Musashi DANSEKO, Katsuhiko SASAKI, Shinya HONDA, Ryo TAKEDA
Format: Article
Language:English
Published: The Japan Society of Mechanical Engineers 2019-09-01
Series:Journal of Advanced Mechanical Design, Systems, and Manufacturing
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/jamdsm/13/3/13_2019jamdsm0066/_pdf/-char/en
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author Tomohiro TSURUYA
Musashi DANSEKO
Katsuhiko SASAKI
Shinya HONDA
Ryo TAKEDA
author_facet Tomohiro TSURUYA
Musashi DANSEKO
Katsuhiko SASAKI
Shinya HONDA
Ryo TAKEDA
author_sort Tomohiro TSURUYA
collection DOAJ
description In press processing, quality inspection of a product is often carried out for each lot in the post process stage. When a failure occurs, it may result in a large number of defective products due to the fast processing speed. In order to prevent this, it is ideal to immediately stop the processing just after the defect occurs. Therefore, confirming the processing state in-process is required. This study proposes a new quality inspection method for deep drawing processes by using the count rate of acoustic emission (AE) signals. To analyze the AE count, deep learning, which is a multilayered neural network, is employed to recognize defects during a deep drawing process. The material used was a ductile material of cold rolled steel plate and is relatively difficult to find cracks during the deep drawing process. Characteristics were clarified by analysis of AE counts at plastic deformation and brake of material, and performing the forming state recognition experiment by a multilayer neural network (deep learning) showed a maximum recognition rate of 97.3%. High recognition rate was obtained despite the small number of data used.
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spelling doaj.art-6ab6c93382c94350bcf26bcb0a1084232022-12-22T00:56:30ZengThe Japan Society of Mechanical EngineersJournal of Advanced Mechanical Design, Systems, and Manufacturing1881-30542019-09-01133JAMDSM0066JAMDSM006610.1299/jamdsm.2019jamdsm0066jamdsmForming state recognition in deep drawing process with machine learningTomohiro TSURUYA0Musashi DANSEKO1Katsuhiko SASAKI2Shinya HONDA3Ryo TAKEDA4Industrial Research Institute, Hokkaido Research OrganizationGraduate School of Engineering, Hokkaido UniversityFaculty of Engineering, Hokkaido UniversityFaculty of Engineering, Hokkaido UniversityFaculty of Engineering, Hokkaido UniversityIn press processing, quality inspection of a product is often carried out for each lot in the post process stage. When a failure occurs, it may result in a large number of defective products due to the fast processing speed. In order to prevent this, it is ideal to immediately stop the processing just after the defect occurs. Therefore, confirming the processing state in-process is required. This study proposes a new quality inspection method for deep drawing processes by using the count rate of acoustic emission (AE) signals. To analyze the AE count, deep learning, which is a multilayered neural network, is employed to recognize defects during a deep drawing process. The material used was a ductile material of cold rolled steel plate and is relatively difficult to find cracks during the deep drawing process. Characteristics were clarified by analysis of AE counts at plastic deformation and brake of material, and performing the forming state recognition experiment by a multilayer neural network (deep learning) showed a maximum recognition rate of 97.3%. High recognition rate was obtained despite the small number of data used.https://www.jstage.jst.go.jp/article/jamdsm/13/3/13_2019jamdsm0066/_pdf/-char/ensheet metal formingacoustic emissiondeep learningdeep drawingdata acquisitionsensor
spellingShingle Tomohiro TSURUYA
Musashi DANSEKO
Katsuhiko SASAKI
Shinya HONDA
Ryo TAKEDA
Forming state recognition in deep drawing process with machine learning
Journal of Advanced Mechanical Design, Systems, and Manufacturing
sheet metal forming
acoustic emission
deep learning
deep drawing
data acquisition
sensor
title Forming state recognition in deep drawing process with machine learning
title_full Forming state recognition in deep drawing process with machine learning
title_fullStr Forming state recognition in deep drawing process with machine learning
title_full_unstemmed Forming state recognition in deep drawing process with machine learning
title_short Forming state recognition in deep drawing process with machine learning
title_sort forming state recognition in deep drawing process with machine learning
topic sheet metal forming
acoustic emission
deep learning
deep drawing
data acquisition
sensor
url https://www.jstage.jst.go.jp/article/jamdsm/13/3/13_2019jamdsm0066/_pdf/-char/en
work_keys_str_mv AT tomohirotsuruya formingstaterecognitionindeepdrawingprocesswithmachinelearning
AT musashidanseko formingstaterecognitionindeepdrawingprocesswithmachinelearning
AT katsuhikosasaki formingstaterecognitionindeepdrawingprocesswithmachinelearning
AT shinyahonda formingstaterecognitionindeepdrawingprocesswithmachinelearning
AT ryotakeda formingstaterecognitionindeepdrawingprocesswithmachinelearning