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S19 Usinagem dos Materiais |
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Title:
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EXPERIMENTAL EVALUATION OF THE DRESSING OF ALUMINA(AL2O3) GRINDING WHEELS THROUGH THE ACOUSTIC EMISSION (AE)
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Summary :
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ABSTRACT. THE GRINDING PROCESS IS ONE OF THE MOST USED IN THE MANUFACTURING OF MECHANICAL COMPONENTS, BUT ITS DEVELOPMENT IS AFFECTED NEGATIVELY BY THE LACK OF DATA, AS A FUNCTION OF UNIVERSALLY RECOGNISED PARAMETERS, ABOUT THE PREVIOUS GRINDING OPERATIONS, ABOUT THE PRINCIPAL PROCESS ELEMENTS (GRINDING WHEEL, DRESSERS, CUTTING FLUID).
THE DRESSING OPERATION OF GRINDING WHEELS HAVE AN IMPORTANT INFLUENCE OVER THE ACTIVE GRINDING WHEEL TOPOGRAPHY. IN THIS WAY THE DRESSER AND ITS BEHAVIOUR HAS GREAT INFLUENCE OVER THE FINAL RESULTS OF THE GRINDING OPERATIONS.
THE GOAL OF THIS WORK IS VERIFY THE EXISTENT RELATIONSHIP BETWEEN THE DRESSING PARAMETERS, THE RESULTING ACOUSTIC EMISSION AND THE GRINDING WHEEL SHARPNESS. FURTHERMORE, STUDY THE INFLUENCE OF THE CONTACT AREA BETWEEN THE GRINDING WHEEL AND THE DRESSER INFLUENCE IN THE ACOUSTIC EMISSION AND GRINDING WHEEL SHARPNESS, DURING THE DRESSING OPERATION.
KEY-WORDS: GRINDING, DRESSING, ACOUSTIC EMISSION
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Author :
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Coelho, Reginaldo Teixeira
Marinelli Filho, Nelson 0
Oliveira, Joćo Fernando Gomes de
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Paper View :
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