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Chapter 78 Machine Tool Noise, Vibration and Chatter Prediction and Control
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2005 (engelsk)Inngår i: HANDBOOK OF NOISE AND VIBRATION CONTROL / [ed] Crocker, Malcolm J., New York: To be published by by John Wiley & Sons , 2005Kapittel i bok, del av antologi (Annet vitenskapelig)
Abstract [en]

A frequent problem in the manufacturing industry today is the vibrations or chatter induced by metal cutting, e.g. turning, milling and boring operations. Vibrations in boring operations or internal turning operations, for example,are inevitable and constitute a major problem for the manufacturing industry. Tool vibrations in metal cutting affect the result of machining, particularly the surface finish. Furthermore, tool life is correlated with the degree of vibration and acoustic noise introduced. Generally, tool vibrations are related to a low-order bending mode of, for example, the tool holder shank in external turning, the boring bar in internal turning, spindle-cutter assembly in milling, etc. Tool chatter or vibration problems in internal turning or milling may be reduced, for example, by using boring bars and milling adapters with passive tuned dampers. These are usually manually tuned to increase the dynamic stiffness of the boring bar or milling adapter at one of the eigenfrequencies of its low-order bending modes. Active control approaches for the attenuation of the bending motion of boring bars, tool holder shanks and spindle-cutter assembly in milling have been developed; such approaches involve both adaptive and time-invariant feedback control. In addition, prediction and control methods for controlling cutting data to maintain stable cutting, i.e. to avoid cutting data resulting in chatter, have been developed.

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New York: To be published by by John Wiley & Sons , 2005.
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URN: urn:nbn:se:bth-9457Lokal ID: oai:bth.se:forskinfoDF7F7B07A31F30B3C1256F0700467DBBOAI: oai:DiVA.org:bth-9457DiVA, id: diva2:837310
Tilgjengelig fra: 2012-09-18 Laget: 2004-09-06 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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Håkansson, LarsJohansson, SvenClaesson, Ingvar

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