Grinding performance of AISI D6 steel using CBN wheel vitrified and resinoid bonded

Autor(es)

Sato, Bruno Kenta ^[1] ; Rodriguez, Rafael Lemes ^[1] ; Talon, Anthony Gaspar ^[1] ; Lopes, Jose Claudio ^[1] ; Mello, Hamilton Jose ^[1] ; Aguiar, Paulo Roberto ^[1] ; Bianchi, Eduardo Carlos ^[1]

Afiliação do(s) autor(es)

^[1] Sao Paulo State Univ Julio de Mesquita Filho, Dept Mech Engn, Bauru Campus, Bauru, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY; v. 105, n. 5-6, p. 2167-2182, DEC 2019.
• Citações Web of Science: 1

Resumo

In the last decades, manufacturers attracted much attention to developing processes with competitivity, sustainability, and productivity. One of the most important developments was related to employing more efficient tools. CBN was developed to improve the performance of the abrasive materials by higher hardness, thermal conduction, and chemical stability. In this sense, not only abrasive grains' properties are important for tool performance, but also bonds are essential for the consolidation of CBN abrasives in manufacturing industry. In order to contribute to findings about the performance of applied bonds in CBN grinding wheels, this work aims to compare CBN grinding wheels composed of vitrified bond and resinoid bond. The workpiece material was AISI D6 special steel which is widely used to manufacture stamping matrix, and this application requires parts with high geometrical and dimensional precision, also high-quality surface finish. For the results analysis and discussion, tangential grinding force and acoustic emission were monitored in order to analyze the process efficiency and surface roughness and G ratio was measured; besides scanning electron, confocal microscopy and optical microscopy were used for the analysis of the ground surface. The vitrified bond provided more efficient results in terms of surface roughness and G ratio in comparison with resinoid bond. However, acoustic emission and tangential grinding force were lower in grinding with CBN resinoid bond what indicated lower mechanical loads. Therefore, this paper presents relevant information to select the appropriate bond to CBN grinding wheel application. (AU)

• Processo FAPESP: 17/03788-9 - Desempenho de fluidos de corte sintéticos, com e sem aditivo anticorrosivo, na retificação do aço AISI 4340 com rebolo de óxido de alumínio
• Beneficiário: Anthony Gaspar Talon
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica
• Processo FAPESP: 15/09197-7 - Aplicação da mínima quantidade de lubrificante (MQL) com rebolo convencional durante a retificação cilíndrica externa de mergulho do aço ABNT 4340
• Beneficiário: Rafael Lemes Rodriguez
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica
• Processo FAPESP: 15/09868-9 - Influência da lubri-refrigeração de MQL, com diluição do fluido de corte em água, na retificação cilíndrica do aço ABNT 4340 com rebolo de CBN
• Beneficiário: Bruno Kenta Sato
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica