Press brake and management system

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United States of America Patent

PATENT NO 11872620
SERIAL NO

17275467

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Importance

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Abstract

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A press brake is provided with a hydraulic cylinder configured to move an upper table and a lower table relative to each other in a vertical direction, and a control unit configured to control a hydraulic circuit of the hydraulic cylinder, in which the control unit manages a predictor of an occurrence of an abnormality in the hydraulic circuit including a first pressure control valve configured to control a back pressure of hydraulic oil on a first port side of the hydraulic cylinder.

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Patent Owner(s)

Patent OwnerAddress
AMADA CO LTDISEHARA-SHI KANAGAWA 259-1196

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Tetsuaki Kanagawa, JP 119 1178
Yanagawa, Koichi Kanagawa, JP 8 158
Yoshida, Hidehiko Kanagawa, JP 2 2

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