Affiliation:
1. Islamic Azad University Mobarakeh Branch
Abstract
Abstract
Because of the hard grind of some metals such as aluminum, copper and brass, burnishing can be very effective. Burnishing is a non-cutting process in which the surface of the workpiece is plastically deformed by hard work and pressure in the surface layers of the workpiece. In this study, the burnishing process is applied to 2024 aluminum alloy to improve the quality of the final surface and its increasing hardness. In this process, a roller-based tool was used for burnishing with the lathe. The parameters of spindle speed, feed rate and burnishing force were used in three stages, with two repetition phases and in the full factorial method in aluminum 2024 burnishing. Minitab software was used to determine the effects of the different parameters on surface roughness and hardness. Also, the regression method was used to predict the surface roughness and hardness under the influence of the parameters. The results showed that the optimum surface roughness (Ra = 0.05µm) was achieved at a feed rate of 0.11mm/rev, a spindle speed of 1000rpm, and a burnishing force of 1000N.
Publisher
Research Square Platform LLC
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