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Analysis of the CBN grains friability in cylindrical grinding of nodular cast iron

Grant number: 15/10460-4
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2016
Effective date (End): December 31, 2018
Field of knowledge:Engineering - Mechanical Engineering - Manufacturing Processes
Principal Investigator:Eduardo Carlos Bianchi
Grantee:Lucas de Martini Fernandes
Host Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil

Abstract

Grinding is one of the most important manufacturing processes, especially when high surface qualities have to be realized or if hard materials have to be machined. Depending on the excellent properties of Cubic Boron Nitride (CBN) abrasive grains such as high hardness, high thermal conductivity, and high wear resistance, CBN tools are widely applied to machine many materials. The superior grinding performance of CBN wheels in comparison to conventional abrasives has been demonstrated in various research studies and industrial grinding processes, in the most cases having a substantially lower total cost in long-term. The selection of the most appropriate and cost effective CBN grinding wheel has, in recent years, become increasingly complex owing to the availability of wide availability of abrasive materials. Therefore, an adequate selection makes a huge difference on the cost of the manufacturing process. This project will analyses the performance of two different CBN grinding wheels in vitrified bond that have a considerable difference of friability of the abrasive grains and will be used the process of cylindrical grinding on a nodular cast iron work piece. Results obtained from surface roughness, acoustic emission, roundness error, among others, will indicate the most appropriate grinding wheel for the process.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LOPES, JOSE CLAUDIO; FERNANDES, LUCAS DE MARTINI; DOMINGUES, BRUNO BIONDO; CANARIM, RUBENS CHINALI; CINDRA FONSECA, MARIA DA PENHA; DE ANGELO SANCHEZ, LUIZ EDUARDO; MOREIRA DE OLIVEIRA, RODOLFO FISCHER; DE MELLO, HAMILTON JOSE; AGUIAR, PAULO ROBERTO; BIANCHI, EDUARDO CARLOS. Effect of CBN grain friability in hardened steel plunge grinding. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 103, n. 1-4, p. 1567-1577, . (15/10460-4)
FERNANDES, LUCAS DE MARTINI; LOPES, JOSE CLAUDIO; FONTEQUE RIBEIRO, FERNANDO SABINO; GALLO, RUBENS; RAZUK, HENRIQUE COTAIT; DE ANGELO SANCHEZ, LUIZ EDUARDO; DE AGUIAR, PAULO ROBERTO; DE MELLO, HAMILTON JOSE; BIANCHI, EDUARDO CARLOS. Thermal model for surface grinding application. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 104, n. 5-8, p. 2783-2793, . (15/10460-4)
LOPES, JOSE C.; VENTURA, CARLOS E. H.; FERNANDES, LUCAS DE M.; TAVARES, ANDRE B.; SANCHEZ, LUIZ E. A.; DE MELLO, HAMILTON J.; DE AGUIAR, PAULO R.; BIANCHI, EDUARDO C.. Application of a wheel cleaning system during grinding of alumina with minimum quantity lubrication. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 102, n. 1-4, p. 333-341, . (17/03789-5, 15/10460-4)

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