Studies on the cooling minimum quantity and conventional cooling at hardened steels in grinding process
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Data
2007-04-01
Autores
de Aguiar, Paulo Roberto [UNESP]
Catai, Rodrigo Eduardo
Bianchi, Eduardo Carlos [UNESP]
de Freitas, Roberto [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Abcm Brazilian Soc Mechanical Sciences & Engineering
Resumo
The purpose of this work is to explain the concept of cutting fluids reasonable usage through the fluid minimum quantity in grinding processes. on that purpose, the development of a new nozzle and an own and adequate methodology should be required in order to obtain good results and compare them to the conventional methods. The analysis of the grinding wheel/cutting fluid performance was accomplished from the following input parameters: flow rate variation by nozzle diameter changes (three diameters values: 3mm, 4mm and 5mm), besides the conventional round nozzle already within the machine. Integral oil and a synthetic emulsion were used as cutting fluids and a conventional grinding wheel was employed. The workpieces were made of steel VC 131, tempered and quenched with 60HRc. Thus, as the flow rate and the nozzle diameter changes, keeping steady fluid jet velocity (equal to cutting velocity), attempted to find the best machining conditions, with the purpose to obtain a decrease on the cutting fluid volume, taking into consideration the analysis of the process output variables such as cutting strength, cutting specific energy, grinding wheel wear and surface roughness. It was verified that the 3mm diameter optimized nozzle and the integral oil, in general, was the best combination among all proposed.
Descrição
Palavras-chave
grinding, cutting fluid, grinding wheel, optimized process
Como citar
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Rio de Janeiro Rj: Abcm Brazilian Soc Mechanical Sciences & Engineering, v. 29, n. 2, p. 136-141, 2007.