Cutting parameters influence on surface roughness in AL 7075 milling

Košarac, Aleksandar; Sikuljak, Lana; Obradovic, Cedomir; Mladenovic, Cvijetin; Zeljković, Milan

doi:10.1109/infoteh48170.2020.9066273

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…Various methods can be implemented to set the optimal parameters, as described in article [15] for the Al7075 aluminum alloy machining process. The influence of cutting conditions on the topography of this alloy is also recorded by the authors [16], which describes the progressive machining of Al7075 using the MQL system. The mentioned research showed that the most significant influence on the topography of the Al7075 surface with the implementation of MQL (minimum quantity lubrication) has cutting feed and the least-cutting speed.…”

Section: Introductionmentioning

confidence: 94%

Research on Roughness and Microhardness of C45 Material Using High-Speed Machining

2023

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From the point of view of production, it is of fundamental importance to know the cutting parameters at which the new surface of the component was created because only in this way is it possible to understand the nature and properties of the created surface. Based on the information obtained, it is then possible to improve the processes used or to create machined surfaces with, if not zero, at least a minimum number of flaws. The main purpose of the article is to create a comprehensive overview of the behavior and properties of the selected material with a focus on the prediction of roughness depending on the cutting speed and depth of cut, Vickers microhardness evaluation, assessment of cutting tool wear, and assessment of the shape and structure of the resulting chip. The achieved results are recorded in graphical and verbal form, from which the necessary conclusions are drawn. From the performed analyses, a mathematical prediction of determining the quality of the machined surface was created, which reflects changes in roughness depending on the cutting speed in the three modifications (700 m/min, 1400 m/min, and 2000 m/min). Conclusions were also drawn regarding the characteristics of the resulting chip and the wear of the cutting edges depending on the change in cutting speed. The fluctuating course of surface roughness when changing the cutting speed can be considered a significant finding—at 1400 m/min, the surface roughness was expected to have a decreasing tendency; however, it increased; a decreasing tendency was not recorded until at speeds of 1800 m/min, but during this process, the material already crept.

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Section: Introductionmentioning

confidence: 94%

Research on Roughness and Microhardness of C45 Material Using High-Speed Machining

2023

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Feed optimization based on force modelling and TLBO algorithm in milling Al 7075

Elly,

Yang

2024

J Braz. Soc. Mech. Sci. Eng.

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Aluminium alloys find wide applications in structural industries. They are only second to steel when it comes to their applications. Their wide application is due to their numerous good properties. They have a high resistance to corrosion and high fatigue strength. Their specific density, electrical and thermal properties make them stand out amongst many structural metals. Al 7075 is an alloy of aluminium in which zinc is the dominant alloying element. This alloy is in the 7xxx series of aluminium alloys, a series considered to be the strongest with yield strengths greater or equal to 500 Mpa. It, therefore, finds a wide application in aircraft structural components manufacturing and other areas where high strength is a critical property. Therefore, this paper focuses on the CNC milling process of aluminium 7075 to establish force components models and the optimal values for the critical process parameters. The work reported in this paper involved designing experiments and the development of force components and resultant force models from the experimentally acquired data. The models were validated, and their prediction ability was within the accepted range. The validated force component models were used to investigate the interaction effects of the process parameters on the respective force components. The resultant force model was eventually used as the objective function in the TLBO algorithm to acquire the optimal force and control parameters. After that, the optimal resultant force was used as a constraint parameter to demonstrate feed optimization relative to the other parameters.

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Cutting parameters influence on surface roughness in AL 7075 milling

Cited by 2 publications

References 13 publications

Research on Roughness and Microhardness of C45 Material Using High-Speed Machining

Research on Roughness and Microhardness of C45 Material Using High-Speed Machining

Feed optimization based on force modelling and TLBO algorithm in milling Al 7075

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