Tool changing – With control means energized in response to activator... – Responsive to tool
Reexamination Certificate
2006-05-02
2006-05-02
Cadugan, Erica (Department: 3722)
Tool changing
With control means energized in response to activator...
Responsive to tool
C409S144000, C409S232000, C409S194000, C408S011000, C408S007000, C029S593000
Reexamination Certificate
active
07037248
ABSTRACT:
A method and a device for detecting the incorrect chucking of a machine tool capable of easily and surely detecting a chucking error; the method, comprising the steps of measuring, by a sensor (12), the change of a distance (d) between the sensor (12) and the outer peripheral surface of the flange part (2B) of a tool holder (2) installed in a spindle (3) through all around the periphery of the tool holder while rotating the tool holder (2), performing a FFT analysis of the measured data by a CPU (18), extracting a fundamental frequency component, and calculating the amplitude thereof, whereby the eccentric amount of the tool holder (2) can be calculated by using the amplitude of the fundamental frequency component and, when the eccentric amount exceeds a preset allowable value, the tool holder (2) is judged to cause an incorrect chucking.
REFERENCES:
patent: 4227144 (1980-10-01), Lang et al.
patent: 5256010 (1993-10-01), Hehl et al.
patent: 5361470 (1994-11-01), Hamada et al.
patent: 5423643 (1995-06-01), Suzuki et al.
patent: 5513113 (1996-04-01), Okada et al.
patent: 5735028 (1998-04-01), Furusawa et al.
patent: 5910894 (1999-06-01), Pryor
patent: 5917726 (1999-06-01), Pryor
patent: 6474914 (2002-11-01), Lang
patent: 708391 (1996-07-01), None
patent: 49-125972 (1974-12-01), None
patent: 61-25753 (1986-02-01), None
patent: 2-243252 (1990-09-01), None
patent: 9-29577 (1997-02-01), None
patent: 10-138099 (1998-05-01), None
patent: 10-267749 (1998-10-01), None
patent: 11-114707 (1999-04-01), None
patent: 2000-47 (2000-06-01), None
PCT/DE00/01127 WO 00/61329, Lang, Published Oct. 19, 2000.
Document for Publications Submission with English translation thereof, mail date Dec. 2, 2004.
KEYENCE Sensor Application.
Cadugan Erica
Ross Dana
Safran David S.
Tokyo Seimitsu Co. Ltd.
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