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US 12,202,049 B2Granted
Machine tool and detection method
AssigneeCitizen Watch Co., Ltd.
InventorsAtsushi Inoue, Masahiro Muramatsu, Kenji Noguchi, Kohichi Kazahari
Life of this patent
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Abstract
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).
Claims5
A machine tool comprising:
- a first spindle having a first chuck;
- a second spindle having a second chuck;
- a controller configured to cause the second chuck to perform a fastening operation for fastening a work fastened to the first chuck to the second chuck;
- and
- a detector configured to detect an abnormality caused by the fastening operation by the second chuck, based on measurement data associated with a vibration of at least one of the first chuck and the second chuck.
2 more elements
Dependencies are inferred from the claim text.