Analyses of white aluminum oxide wheel in the machining of VP50 steel used in cylindrical grinding in different cooling-lubrification methods

• Grant number: 12/13852-2
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Effective date (Start): October 01, 2012
• Effective date (End): September 30, 2014
• Field of knowledge: Engineering - Mechanical Engineering - Manufacturing Processes
• Principal Investigator: Eduardo Carlos Bianchi
• Grantee: Ighor Costa Barili
• Host Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil

Abstract

Grinding is an abrasive machining process, which mainly aims to reduce the roughness, as to accuracy of the workpiece surface, or correct any irregularities of the surface. The cutting tool used in the process is the grinding wheel, which surface is abrasive, consisting of grains of aluminum oxide or silicon carbide, among others. There are several types of grinding wheel, so it is essential to have the detailed knowledge within the industry, on the wheel, so that it can be determined what is the best material to be machined with a given wheel, optimizing the grinding process. The use of the cutting fluid is essential to maintain the quality of the process, and also the way how this fluid is used to change the result of the finishing piece. There are two methods of cooling-lubrificantion that will be used in this project: minimum amount of lubricant and the conventional method. The material to be machined is the steel VP50, especially developed for the manufacture of molds for forming thermoplastic polymers. The grinding wheel in use, will be white aluminum oxide of medium hardness, ligand (alloy) glazed, of which six tests will be performed with variation of the method of lubricating and dip and speed of chip thickness between them. The analysis should be done by evaluating the output variables of the grinding process, such as the behavior of the tangential cutting force, roughness, acoustic emission, G ratio (volume of material removed / volume of wheel worn), optical microscopy and microhardness. (AU)

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)

KAMIRA MIKSZA FRAGOSO; DERIK RIOS UMBERTO; IGHOR COSTA BARILI; EDUARDO CARLOS BIANCHI; ROSEMAR BATISTA DA SILVA; PAULO ROBERTO AGUIAR; HAMILTON JOSE DE MELLO. Retificação cilíndrica do aço VP50 utilizando o rebolo de carbeto de silício verde com a técnica de MQL. MATERIA-RIO DE JANEIRO, v. 21, n. 3, p. 756-766, 2016-09-00. (12/13852-2, 12/13688-8)