Development of Detection Technology of the Scrap-Jumping in Pierce Processing

Tomohiro Nonaka; Yutaka Sakata; Yasuo Marumo; Yoshinori Okinishi; Taiki Horinouchi; Ippei Ogawa; Shinobu Watanabe

doi:10.4028/www.scientific.net/AMM.182-183.472

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 182-183Development of Detection Technology of the...

Development of Detection Technology of the Scrap-Jumping in Pierce Processing

Abstract:

During the consecutive piercing process of metal sheets, it is very difficult to prevent the scrap-jumping completely. The scrap-jumping causes defects generation. Defective goods will be produced when processing is continued without noticing the scrap-jumping. To solve this problem,we made a die that was able to detect scrap-jumping with the load sensor and transmission-type fiber line-laser sensors for pierce processing and executed the defect detection experiment. As a result of the experiment, the newly developed load sensor was able to detect the defect in the following stamp of the scrap-jumping. On the other hand, the fiber line-laser sensor was able to detect the scrap-jumping directly before the following stamp.

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Periodical:

Applied Mechanics and Materials (Volumes 182-183)

Pages:

472-476

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.182-183.472

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Online since:

June 2012

Authors:

Tomohiro Nonaka, Yutaka Sakata, Yasuo Marumo, Yoshinori Okinishi, Taiki Horinouchi, Ippei Ogawa, Shinobu Watanabe

Keywords:

Defect Detection, Fiber Laser Sensor, Load Sensor, Piercing Process, Press Working, Scrap-Jumping

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