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Analysis of cylindrical grinding of VP50 steel with application of MQL and aluminum oxide wheel

Grant number: 21/08549-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2021
Effective date (End): September 30, 2023
Field of knowledge:Engineering - Mechanical Engineering - Manufacturing Processes
Principal Investigator:Eduardo Carlos Bianchi
Grantee:Benício Nacif Ávila
Host Institution: Faculdade de Engenharia (FE). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil

Abstract

Currently, companies are increasingly seeking to improve the efficiency of processes in order to ensure their market competitiveness. In industry, this need for optimization arises from the manufacture of new materials and products, aligned with sustainable and safe techniques. In this perspective, VP50 steel is a material manufactured especially for the production of molds for the injection of thermoplastics. However, the final machining of this steel, especially its grinding, can become difficult and highly costly. Therefore, it is essential to determine the best grinding conditions for this steel. The application of cutting fluids during machining can bring good results to the final surface, however, financial expenses and damage to the environment and health of operators must be taken into account. In this sense, the minimum quantity lubricant (MQL) technique is a good alternative to reduce these disadvantages, as it uses a small amount of cutting fluid associated with a jet of compressed air. Another alternative is to machine the material at low feed rates, which improves surface finish despite the longer manufacturing time. Thus, this research aims to evaluate the performance of grinding steel for VP50 mold under the MQL technique and the conventional lubri-refrigeration method, using the aluminum oxide (Al2O3) grinding wheel and three feed rates: 0.25; 0.50, and 0.75 mm/min. The output variables studied will be surface roughness (Ra), roundness error, diametral wheel wear (G-ratio), microhardness (HV), optical microscopy, tangential cutting force, and acoustic emission. Finally, this work aims to expand knowledge in the field of grinding, especially in the grinding of steel for molds, which is still a scarce topic in the abrasive industry, in addition to promoting the expansion of science and advancement in solving society's problems. (AU)

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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; DE CARVALHO, GUILHERME ANTONIO; MORETTI, GUILHERME BRESSAN; AVILA, BENICIO NACIF; RODRIGUES, MATHEUS DE SOUZA; GARCIA, MATEUS VINICIUS; RIBEIRO, FERNANDO SABINO FONTEQUE; RODRIGUES, ALESSANDRO ROGER; SANCHEZ, LUIZ EDUARDO DE ANGELO; BIANCHI, EDUARDO CARLOS. Sustainable thinking toward to industry?s future combined with new knowledge on greenhouse effect mitigation generated by the grinding process. JOURNAL OF CLEANER PRODUCTION, v. 386, p. 13-pg., . (21/08549-8)
DOMINGUES, BRUNO BIONDO; RODRIGUEZ, RAFAEL LEMES; DE SOUZA, GUILHERME GUERRA; AVILA, BENICIO NACIF; RODRIGUES, MATHEUS DE SOUZA; RIBEIRO, FERNANDO SABINO FONTEQUE; RODRIGUES, ALESSANDRO ROGER; SANCHEZ, LUIZ EDUARDO DE ANGELO; BIANCHI, EDUARDO CARLOS; LOPES, JOSE CLAUDIO. Eco-friendly thinking toward mitigating the greenhouse effect applied to the alumina grinding process. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. N/A, p. 13-pg., . (21/08549-8)

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