Study of a ball-burnishing vibration-assisted process

Abstract

Abstract:This work refers to the study of the ball-burnishing process assisted by vibration. The study begins by considering that this vibration helps to make the development of this finishing process easier because it helps to deform the work piece material more easily. Because a similar tool is not available on the market, a tool that can perform the study needed to be designed, characterised and manufactured to conduct the study by considering the critical components that are involved in the design and the physical model that characterises the operation. For these criteria, the tool operation is also characterised by evaluating the surface roughness that remains after the process occurs. Work pieces of aluminium and steel were used for the experimental validation. These results were compared to those obtained using the same tool without vibration. The roughness results obtained using the ball-burnishing vibration-assisted process improves compared to those obtained using the process without assistance for both materials tested.http://mc.manuscriptcentral.com/JOEM AbstractThis work refers to the study of the ball-burnishing process assisted by vibration. The study begins by considering that this vibration helps to make the development of this finishing process easier because it helps to deform the work piece material more easily. Because a similar tool is not available on the market, a tool that can perform the study needed to be designed, characterised and manufactured to conduct the study by considering the critical components that are involved in the design and the physical model that characterises the operation. For these criteria, the tool operation is also characterised by evaluating the surface roughness that remains after the process occurs. Work pieces of aluminium and steel were used for the experimental validation. These results were compared to those obtained using the same tool without vibration. The roughness results obtained using the ball-burnishing vibration-assisted process improves compared to those obtained using the process without assistance for both materials tested.

Topological surface integrity modification of AISI 1038 alloy after vibration-assisted ball burnishing

“…Medium frequency VABB was tested by Gómez-Gras et al (2015) [19], who designed a VABB tool assisted by 2.1 kHz vibrations. The alternative force was originated by the alternative deflection of thin plates by means of a coil excited by an alternate electrical field.…”

Ball-burnishing effect on deep residual stress on AISI 1038 and AA2017-T4

“…Cutting parameters were 3000 min À 1 of cutting speed, a feed rate of 1000 mm/min and 0.5 mm of depth of cut. After that, they were subjected to a ball-burnishing operation, using the tool designed by Gómez-Gras et al [36] (Fig. 1), equipped with a 10-mm-diameter burnishing ball.…”

Impact of Ball Burnished Regular Reliefs on Fatigue Life of AISI 304 and 316L Austenitic Stainless Steels

“…When the goal is to achieve only surface smoothing, the classic BB schemes can be used [ 21 ], in which the trajectory of the deforming element is the same as that of the cutting tools in drilling, turning, and milling cutting operations. Recently, there has emerged more and more evidence that the BB process can be successfully implemented using computer numerical control (CNC) equipment, which allows application of different strategies and toolpaths [ 22 , 23 , 24 , 25 ]. Some authors [ 26 ] report improvements in BB tools that allow the simultaneous use of multiple deforming elements to increase the process productivity.…”