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Enhanced grinding performance by means of microdressed grinding wheels

Grant number: 10/51052-2
Support type:Regular Research Grants
Duration: January 01, 2011 - March 31, 2014
Field of knowledge:Engineering - Mechanical Engineering - Manufacturing Processes
Cooperation agreement: DFG
Principal researcher:Reginaldo Teixeira Coelho
Grantee:Reginaldo Teixeira Coelho
Principal researcher abroad: Berend Denkena
Institution abroad: Leibniz Universität Hannover, Germany
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated grant(s):12/50803-0 - Investigations on the performance enhancement of cutting edges using EDM techniques, AP.R

Abstract

This proposal concerns the detailed study and further development of new methods for the production of microstructured surfaces and an enhanced process performance by grinding with circumferentially microstructured grinding wheels. In a first step, the effective kinematic contact conditions for grinding processes using such tools will be described. Furthermore, the influence of the grinding wheel microstructure design and the process parameters on the workpiece surface and subsurface characteristics and the process stability will be analyzed. The influence of the tool wear on the microstructure geometry and the process limits will be evaluated. At last, the impact of the grinding process and the machine kinematics on the workpiece surface and subsurface properties will be investigated for two different grinding processes. The generation of microstructures on the workpiece surface will be investigated at the LOPF using external cylindrical grinding. The increase in the process performance by grinding with microstructured grinding wheels will be investigated in experimental studies at the IFW using peripheral surface grinding. (AU)

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