This paper first reviews early contributions to modeling and analysis of thermal aspects in grinding. The role of specific energy in the determination of grinding temperatures is then discussed with respect to both chip thickness and grinding aggressiveness. The underlying modeling of cylindrical grinding is given in general terms, enabling calculation of the instantaneous geometry, kinematics and temperature for any workpiece form. The focus is on the recently developed concept of constant-temperature grinding, which entails choosing process parameters based on a thermal model for achieving a constant temperature and then optimizing the grinding process for either shorter cycle times or higher quality while applying constant temperature. Machine limitations — in terms of maximum speed, acceleration, and jerk in the headstock and wheelhead movement — are considered in the optimization. Case studies and experimental work are presented for high-performance industrial cam-lobe grinding used in the automotive industry.
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ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference
June 9–13, 2014
Detroit, Michigan, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-4581-3
PROCEEDINGS PAPER
Thermal Aspects and Grinding Aggressiveness in View of Optimizing High-Performance Grinding Operations in the Automotive Industry Available to Purchase
Radovan Drazumeric,
Radovan Drazumeric
University of Ljubljana, Ljubljana, Slovenia
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Jeffrey Badger,
Jeffrey Badger
The Grinding Doc Consulting, Austin, TX
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Janez Kopac,
Janez Kopac
University of Ljubljana, Ljubljana, Slovenia
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Peter Krajnik
Peter Krajnik
Scania CV AB, Södertälje, Sweden
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Radovan Drazumeric
University of Ljubljana, Ljubljana, Slovenia
Jeffrey Badger
The Grinding Doc Consulting, Austin, TX
Janez Kopac
University of Ljubljana, Ljubljana, Slovenia
Peter Krajnik
Scania CV AB, Södertälje, Sweden
Paper No:
MSEC2014-3993, V002T02A009; 7 pages
Published Online:
October 3, 2014
Citation
Drazumeric, R, Badger, J, Kopac, J, & Krajnik, P. "Thermal Aspects and Grinding Aggressiveness in View of Optimizing High-Performance Grinding Operations in the Automotive Industry." Proceedings of the ASME 2014 International Manufacturing Science and Engineering Conference collocated with the JSME 2014 International Conference on Materials and Processing and the 42nd North American Manufacturing Research Conference. Volume 2: Processing. Detroit, Michigan, USA. June 9–13, 2014. V002T02A009. ASME. https://doi.org/10.1115/MSEC2014-3993
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