Machine tool and detection method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12202049
APP PUB NO 20220161333A1
SERIAL NO

17594262

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A machine tool (1) includes: a front spindle (10) having a front chuck (12); a rear spindle (20) having a rear chuck (22); a controller (50) configured to cause the rear chuck (22) to perform a fastening operation for fastening a work (W) fastened to the front chuck (12) to the rear chuck (22); and a detector (60) configured to detect an abnormality caused by the fastening operation by the rear chuck (22), based on measurement data associated with a vibration of at least one of the front chuck (12) and the rear chuck (22).

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Patent Owner(s)

Patent OwnerAddress
CITIZEN WATCH CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Atsushi Tokorozawa, JP 377 5119
Kazahari, Kohichi Higashikurume, JP 2 2
Muramatsu, Masahiro Nishitokyo, JP 23 207
Noguchi, Kenji Sayama, JP 48 928

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