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Cutting Forces in Machining and Their Routine Measurement with Multi-Component Piezo-Electric Force Transducers

  • G. H. Gautschi
Chapter

Summary

Knowledge of actual cutting forces in machining is becoming of paramount importance to both designers and users of machine tools, because optimum machine performance, tool selection, tool life, cutting-edge geometry, combination of tool and material to be machined, accuracy and so on are closely related to the resulting cutting forces. Transducers and platforms for measuring forces in 1, 2 or 3 components and/or torques have been developed and are described here. Quartz is used as the piezo-electric transducer material because it provides extremely high rigidity and excellent dynamic response as well as minimal cross-talk between components. In contrast to other measuring systems, such platforms equal or exceed usual tool holders in terms of rigidity, thus permitting realistic, precise measurements. Practical aspects such as cross-talk between components, frequency response, measuring and recording techniques are discussed and the possibilities of adaptive control by directly mounting transducers into machine tools outlined.

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References

  1. 1.
    Spescha, G. A., ‘Piezoelektrische Mehrkomponenten-Kraft- und Momentmessung’, (Piezoelectric Multi-Component Force and Moment Measurement), Archiv für technisches Messen, No 7, 8 and 9 (1970).Google Scholar
  2. 2.
    Blankenstein, B., ‘Der Zerspanungsprozess als Ursache für Schnittkraftschwankungen beim Drehen mit Hartmetallwerkzeugen’ (The Machining Process as Source of Cutting Force Fluctuations in Turning with Carbide Cutting Tools), Dissertation, Technische Hochschule, Aachen, West Germany, (1968).Google Scholar

Copyright information

© Macmillan Publishers Limited 1972

Authors and Affiliations

  • G. H. Gautschi
    • 1
  1. 1.dipl. Ing. ETH/SIAKistler Instruments AGWinterthurSwitzerland

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