Device and method for controlling setup of a grinding machine

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(11)

EP 1 048 410 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	23.05.2001 Bulletin 2001/21

(43)	Date of publication A2:
	02.11.2000 Bulletin 2000/44

(21)	Application number: 00108772.5

(22)	Date of filing: 25.04.2000

(51)	International Patent Classification (IPC)⁷: B24B 47/22, B24B 55/04, B24B 5/04, B24B 51/00

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

23.04.1999 IT TO990329

(71)	Applicant: TACCHELLA MACCHINE S.p.A.
	I-15011 Acqui Terme (IT)

(72)	Inventor:
	Tacchella, Claudio 15011 Acqui Terme (IT)

(74)	Representative: Cerbaro, Elena, Dr. et al
	STUDIO TORTA S.r.l., Via Viotti, 9 10121 Torino 10121 Torino (IT)

(54)	Device and method for controlling setup of a grinding machine

(57) A method of controlling setup of a grinding machine (1) wherein a grinding wheel is positionable with respect to a workpiece (6) for grinding. The wheel and workpiece (6) are closed (100, 110) inside a safety enclosure, and the wheel is moved (130) towards the workpiece to achieve contact between the parts. Contact is determined (140) by monitoring the vibration produced by interaction between the wheel and workpiece, and the position (X₀, Z₀) of the wheel and of the workpiece, at which the parts come into contact, is then determined and memorized.

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