Experimental Study of Vibrations in Face Milling Cutting

Oniţă, Gabriel Vasile

doi:10.1515/aucts-2015-0013

Cited by 1 publication

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“…Displacements generated in the workpiece-tool system also reduce tool and machine component life. Furthermore, they are an obstacle to increasing the efficiency of the workpiece material removal process and significantly affect the geometric structure of the machined surface [ 6 ]. The influence of these displacements on the quality of machined surfaces was studied by Fei et al [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Influence of the Milling Conditions of Aluminium Alloy 2017A on the Surface Roughness

et al. 2022

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The article presents the results and process analysis of the face milling of aluminium alloy 2017A with the CoroMill 490 tool on an AVIA VMC 800 vertical milling centre. The study analysed the effects of the cutting speed, the feed rate, the actual number of teeth involved in the process, the minimum thickness of the cut layer (hmin), and the relative displacement in the tool-workpiece system D(ξ) on the surface roughness parameter Ra. To measure relative displacement, an original bench was used with an XL-80 laser interferometer. The analysis of relative displacement and surface roughness allowed these factors to be correlated with each other. The purpose of this article is to determine the stable operating ranges of the CoroMill 490-050Q22-08M milling head with respect to the value of the generated relative displacement w during the face-milling process and to determine its influence on surface roughness. The research methodology presented in this paper and the cutting tests carried out allowed the determination of the optimum operating parameters of the CoroMill 490-050Q22-08M tool during the face milling of aluminium alloy 2017A, which are vc 300 m/m and fz—0.14 mm/tooth. Working with the defined cutting parameters allows all the cutting inserts in the tool body to be involved in shaping the geometrical structure of the surface, while maintaining a low vibration level D(ξ) > 1 µm, a low value of the parameter hmin > 1.5 µm, and the desired value of the parameter Ra > 0.2 µm

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Section: Introductionmentioning

confidence: 99%