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Experimental technique to analyze the influence of cutting conditions on specific energy consumption during abrasive metal cutting with thin discs

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Advances in Manufacturing 2022年第2期10卷 260-271页

作者： Muhammad Rizwan Awan Hernán A.González Rojas Jose I.Perat Benavides Saqib Hameed Department of Mechanical Engineering Universitat Politecnica de Catalunya(UPC)BarcelonaSpain Department of Electrical Engineering Universitat Politecnica de Catalunya(UPC)BarcelonaSpain

specific energy consumption is an important indicatorfora better understanding of the machinability of *** present study aims to estimate the specific energy consumption for abrasive metal cutting with ultrathin discs at comparatively low and medium feed *** an experimental technique,the cutting power was measured at four predefined feed rates for S235JR,intermetallic Fe-Al(40%),and C45K with different thermal *** variation in the specific energy consumption with the material removal rate was analyzed through an empirical model,which enabled us to distinguish three phenomena of energy dissipation during material *** thermal treatment and mechanical properties of materials have a significant impact on the energy consumption pattern,its corresponding components,and cutting *** materials consume more specific cutting energy than brttle *** specific cutting energy is the minimum energy required to remove the material,and plowing energy is found to be the most significant phenomenon of energy dissipation.

关键词： specific cutting energy specific energy consumption Metal cutting with abrasive disc Abrasive cut of foperation cutting intermetallic alloy Fe-Al(40%)

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Milling Parameters Optimization of Al-Li Alloy Thin-Wall Workpieces Using Response Surface Methodology and Particle Swarm Optimization

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Computer Modeling in Engineering & Sciences 2020年第9期124卷 937-952页

作者： Haitao Yue Chenguang Guo Qiang Li Lijuan Zhao Guangbo Hao School of Mechanical Engineering Liaoning Technical UniversityFuxin12300China School of Engineering University College CorkCorkT12 K8AFIreland

To improve the milling surface quality of the Al-Li alloy thin-wall workpieces and reduce the cutting energy *** research on the milling processing of AA2195 Al-Li alloy thin-wall workpieces based on Response Surface Methodology was carried *** single factor and interaction of milling parameters on surface roughness and specific cutting energy were analyzed,and the multi-objective optimization model was *** Multiobjective Particle Swarm Optimization algorithm introducing the Chaos Local Search algorithm and the adaptive inertial weight was applied to determine the optimal combination of milling *** was observed that surface roughness was mainly influenced by feed per tooth,and specific cutting energy was negatively correlated with feed per tooth,radial cutting depth and axial cutting depth,while cutting speed has a non-significant influence on specific cutting *** optimal combination of milling parameters with different priorities was *** experimental results showed that the maximum relative error of measured and predicted values was 8.05%,and the model had high reliability,which ensured the low surface roughness and cutting energy *** was of great guiding significance for the success of Al-Li alloy thin-wall milling with a high precision and energy efficiency.

关键词： Al-Li alloy thin-wall workpieces response surface methodology surface roughness specific cutting energy multi-objective particle swarm optimization algorithm

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Analysis of Shear and Firiction Behaviors in End Milling Process

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Journal of Materials Science & Technology 2003年第Z1期19卷 237-238页

作者： Seunghan YANG Seungil CHANG Youngmoon LEE Heesool KIM Taejo KO School of Mechanical Engineering Kyungpook National University1370Sankyuk-DongPuk-kuTaegu702-701Korea School of Mechanical Engineering Yeungnam UniversityDaedongGyoungsan712-749Korea

As a new approach to analyze shear behaviors in the shear plane and chip-tool friction behaviors in the chip-toolcontact region during an end milling process,this paper introduces a method to transform an up-end milling processto an equivalent oblique cutting *** this approach,varying undeformed chip thicknesses and cutting forcesin the up-end milling process are replaced with the equivalent of oblique cutting *** investigationsfor Inconel 718 were performed to verify the presented model.

关键词： Up-end milling Equivalent oblique cutting specific cutting energy

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