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S24 Mecânica dos Sólidos |
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Title:
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A METHOD TO ASSESS THE WHEEL HARDNESS DURING DRESSING USING ACOUSTIC EMISSION
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Summary :
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WHELL HARDNESS IS AN IMPORTANTE CHARACTERISTIC TO DEFINE GRINDING BEHAVIOR. DURING GRINDING THE WHEEL CAN CHANGE ITS WEAR BEHAVIOR, RESULTING ON SOME INCONSISTENCIES ON THE PROCESS. THE METHODS USED TO MEASURE WHEEL HARDNESS DO NOT ALLOW THE EVALUATION WHEEL BEHAVIOR DURING ITS USE; THEY ONLY EVALUATE WHEEL HARDNESS STATICALLY AND LOCALLY. IN THIS ISSUE THESE METHODS ARE REVISED AND ANALISED TO REACH ITS FAILURES. ALSO, A METHOD TO EVALUATE WHEEL HARDNESS DURING GRINDING IS PROPOSED. THIS METHOD USES ACOUSTIC EMISSION DURING DRESSING. BY MEANS OF THE AE SIGNAL THE INFLUENCE OF WHEEL VELOCITY IS ALSO EVALUATED.
KEYWORDS: WHEEL HARDNESS, ACOUSTIC EMISSION
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Author :
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de Oliveira, João Fernando Gomes
Vieira Junior, Milton 0
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Paper View :
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