The energetic characteristics of milling with changing cross-section in the definition of specific cutting force by FEM method

Kundrák, János; Karpuschewski, Bernhard; Pálmai, Zoltán; Felhő, Csaba; Makkai, Tamás; Borysenko, Dmytro

doi:10.1016/j.cirpj.2020.11.006

Cited by 19 publications

(7 citation statements)

References 18 publications

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“…From the applied algorithms, SVR achieved the best performance and with this machine learning algorithm, the required cutting force during milling procedures was calculated. FEM simulation validated by experiment research on C45 material to study the characteristics of milling with changing cross-sections showed chip ratio equal to one must be avoided from an energy point of view [18]. In the same research, the recommendation given regarding the chip ratio is a p /f z < 1.…”

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confidence: 89%

Investigation of cutting force components and surface roughness in face milling with different cutting ratios

Felhő¹,

Tesfom²

2022

eis

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During the face milling process, the choice of technological parameters plays an important role. The two most important parameters are the feed and the depth of cut, the ratio of which is also called the cutting ratio. The main topic of the paper is to examine how different values of the chip ratio affect the components of the cutting force and the roughness of the machined surface. It is also shown how important it is to know the exact geometry of the cutting insert, as well as - in the case of cutting with multiple inserts - the knowledge of the run-out between the individual inserts. Based on the performed investigations, it was determined that the use of a chip ratio close to 1 is not recommended either in terms of cutting force components or surface roughness.

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confidence: 89%

Investigation of cutting force components and surface roughness in face milling with different cutting ratios

Felhő¹,

Tesfom²

2022

eis

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“…Kundrák és szerzőtársai a marás energetikai jellemzőit vizsgálták, különös tekintettel a leválasztott keresztmetszet alakjára (Kundrák et al, 2021a). Az energetikai elemzést a Third Wave AdvantEdge FEM szoftverrel végezték, a marás szimulációs módszerét pedig forgácsolóerő mérésekkel validálták.…”

Section: A Forgácsolóerő Modellezéseunclassified

A homlokmarás kutatásának főbb eredményei : 1. rész: A forgácsolóerő vizsgálata

Makkai

2022

MDT

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A síkfelületek megmunkálásának egyik legtermelékenyebb és leghatékonyabb eljárása a homlokmarás, mivel képes az anyagot a munkadarabról nagy sebességgel eltávolítani, egyúttal kiváló minőségű megmunkált felület állítható elő. Emiatt számos kutatás fő témája a homlokmarás, az egyik legjelentősebb kutatási irány a forgácsolóerők becslése/meghatározása. Ebben a cikkben e kutatási terület szakirodalomban megjelent eredményeit foglalom össze.

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“…Residual compressive stress can suppress fatigue failure of the product and prolong fatigue life. Combining with experiments, the Finite Element Method (FEM) (Kundrák et al, 2021) can describe the changing process of some physical quantities with time in the processing as realistically and intuitively as possible. For the cutting force and residual stress, the FEM with experiments were used to study and improve the whirlwind milling.…”

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confidence: 99%

Analytical study on the cutting force and residual stress in whirlwind milling of a large screw

Guo¹,

Wang²,

Zeng³

2023

Journal of Theoretical and Applied Mechanics

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The finite element method (FEM) is developed to simulate a discontinuous cutting in the whirlwind milling. Firstly, a simplified arc-cutting model for simulating the actual circular cutting, and a plane-cutting model for simplification were both developed and verified by experiments. Then, the effects of cutting parameters on the cutting force and residual stress were effectively investigated based on the plane-cutting model. Moreover, a plane-second--cutting model was further developed. It showed that a minor decrease of cutting force and a higher maximum compressive stress were generated in the second cutting. Those results were conducive to predict and improve the whirlwind milling.

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The energetic characteristics of milling with changing cross-section in the definition of specific cutting force by FEM method

Cited by 19 publications

References 18 publications

Investigation of cutting force components and surface roughness in face milling with different cutting ratios

Investigation of cutting force components and surface roughness in face milling with different cutting ratios

A homlokmarás kutatásának főbb eredményei : 1. rész: A forgácsolóerő vizsgálata

Analytical study on the cutting force and residual stress in whirlwind milling of a large screw

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