Analysis of tool's vibration in internal turning

• Grant number: 10/08457-1
• Support Opportunities: Scholarships in Brazil - Doctorate
• Start date: January 01, 2011
• End date: July 31, 2014
• Field of knowledge: Engineering - Mechanical Engineering - Manufacturing Processes
• Principal Investigator: Anselmo Eduardo Diniz
• Grantee: Daniel Iwao Suyama
• Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

The vast majority of components produced by machining has at least one hole. As tolerances and finish from the previous cases (casting or drilling) are very coarse, the holes must undergo finishing processes through reamers or internal turning. The internal turning tool is a overhanged bar, subjected to cyclic cutting forces at its tip, which cause it to vibrate, hindering the achievement of tolerance and finish required and may lead to tool breakage. It is then necessary to minimize vibration without making the process more time consuming and so that possible changes made do not affect the tool life. A better understanding of the vibrations generated in the internal turning lead to a lean and cost-effective produtive process. In this paper it will be analyzed the frequency and amplitude of vibration of the tool in order to correlate them to tool wear and part finish. It is expected to find two or more sets of optimized cutting parameters that minimize the vibration at the turning tool tip and ensure the achievement of quality in the machined surface. (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)

SUYAMA, D. I.; DINIZ, A. E.; PEDERIVA, R.. Tool vibration in internal turning of hardened steel using cBN tool. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 88, n. 9-12, p. 2485-2495, FEB 2017. (10/08457-1)

SUYAMA, D. I.; DINIZ, A. E.. Influence of tool vibrations on tool wear mechanisms in internal turning of hardened steel. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 42, n. 7, JUN 16 2020. (10/08457-1)

Academic Publications

(References retrieved automatically from State of São Paulo Research Institutions)

SUYAMA, Daniel Iwao. A contribution to the study of the internal turning of hardened steels. 2014. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Mecânica Campinas, SP.