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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2007

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A study of multi-roller burnishing on non-ferrous metals

Thamizhmanii S., Saparudin B., Hasan S.

Journal of Achievements in Materials and Manufacturing Engineering

2007

Vol. 22, nr 2

95-98

Purpose: The burnishing is chip less machining which can be used to improve the surface roughness and surface hardness on any metal workpiece. The purpose of the research was to demonstrate the multi roller burnishing process on non ferrous metals namely Aluminum, Brass and Copper to improve surface roughness and surface hardness. Design/methodology/approach: The experiments were carried on non-ferrous metals in a vertical milling machine with various spindle rotations, feed rate and depth of penetration. Findings: The surface roughness on various no-ferrous metals improved by high spindle rotations with high feed rate and depth of penetration. Research limitations/implications: Due to high spindle rotations with multi roller in action, the vibration of the equipment could not be controlled. Some mechanisms have to be devised to reduce the vibrations. However, it is not in the scope of this research. Practical implications: The experiments were conducted with out coolant and this is added advantages for the environment and pollution free. Originality/value: The burnishing process can be carried in a lathe and vertical/horizontal milling machines with suitable fixtures to hold the workpiece. The research can be continued on hard metals with varying hardness to find the surface roughness improvement. It is an eye opening for researches to continue.