Effects of Milling Parameters on Distribution of Residual Stress During the Milling of Curved Thin-Walled Parts

Kong, Xiangjing; Zhou, Ding; Xu, Lijun; Zhu, Lijian; Zhang, Jian; Wu, Chongjun; Isaev, Alexander

doi:10.1051/epjconf/201922405009

Cited by 6 publications

(3 citation statements)

References 26 publications

(18 reference statements)

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“…The same effects present in up-milling where at the tooth entrance the thickness of the cut layer is zero. During manufacturing of the cutting tool, the value of ρ is affected by the parameters as follows [9][10][11][12][13][14][15][16][17][18][19][20][21][22]:…”

Section: Influence Of Rounding Radius Of the Cutting Edge On Cutting Data Parametersmentioning

confidence: 99%

Mathematical Models of the Geometry of Micro Milling Cutters

et al. 2021

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Micromachining is an up-to-date technology widely used in different advanced areas like electronics, aerospace and medical industries. For manufacturing components with highest precision and lowest surface roughness, small-sized end mills with working diameter of less than 1 mm are often used. In this paper, in order to determine the functional relationships between structural strength, cutting properties and geometry of small-sized cutting tools, the mathematical models of working part of micro milling cutters were derived.

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Section: Influence Of Rounding Radius Of the Cutting Edge On Cutting Data Parametersmentioning

confidence: 99%

Mathematical Models of the Geometry of Micro Milling Cutters

et al. 2021

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“…• process parameters, i. e. grinding wheel parameters, grinding speed, feed rate and cutting depth [11][12][13][14][15];…”

Section: Influence Of Rounding Radius Of the Cutting Edge On Cutting mentioning

confidence: 99%

Geometrical features of micro milling cutters for machining of medical components made of titanium alloys

et al. 2020

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Micromachining is an increasingly important material cutting process which is performed on workpieces in micro-scale. It is widely used in rapidly developing advanced areas like electronic, aerospace and medical industries. In medical industry, micromachining is applied for producing instruments, joint implants and dentures. The medical components should be made only of biologically compatible and hard-to- machine materials such as cobalt and nickel based alloys, ceramics and titanium alloys. For manufacturing medical components, small-sized end mills with working diameter of less than 1 mm are often used. Such micro milling cutters impose difficulties on the mechanical micromachining process. To determine the functional relationships between structural strength, cutting properties and geometry of a micro milling cutter, a mathematical model is derived in this paper. Before experimental phase, the calculation of cutting forces was performed as this will reduce the time to determine the optimal cutting data and maximize the tool life.

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“…Wu et al [17] carried out simulation analysis and experimental verification of residual stress on the milled surface of Ti-10V-2Fe-3Al, and proposed a machining process with high feed, high cutting speed and small cutting depth. Kong et al [18] investigated the effect of milling parameters on the residual stress in Al2024 curved thin-walled part, and the results showed that, within a reasonable range, increasing the milling speed and tool radius can reduce the residual stress. Wang et al [19] used the finite element analysis software MSC.…”

Section: Introductionmentioning

confidence: 99%

Milling characteristics of SiCp/2024Al composites thin-walled part based on movable auxiliary support

Gao,

Zhu,

Yang

et al. 2024

Trans. Can. Soc. Mech. Eng.

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Due to milling force and milling heat, thin-walled parts are highly susceptible to deformation and even scrap. In this paper, a method of milling thin-walled part based on the movable auxiliary support was proposed. The ABAQUS software was employed to simulate the milling of thin-walled SiCp/2024Al composite part, while the movement of the auxiliary support was simulated using the secondary development subroutine VDLOAD. The influences of the magnitude and area of the movable auxiliary support on the surface temperature, deformation, and residual stress of the workpiece were investigated by single factor method. The results showed that, with the increasing of the magnitude and area of the movable auxiliary support, both surface temperature and deformation of the thin-walled part decrease. The tensile residual stress decreases and gradually changes to compressive residual stress. Interestingly, when the magnitude exceeds 20 MPa or the area exceeds 100 mm2, the deformation of the thin-walled part continues to decrease, but the middle of the thin-walled part is concave toward the milling cutter. It is worth noting that the effect of area on the residual stress does not show a clear regularity. Thus, the reasonable auxiliary support can reduce deformation and stability in the milling of thin-walled parts and the results of the study can provide a theoretical basis for optimizing the milling process of thin-walled parts.

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Effects of Milling Parameters on Distribution of Residual Stress During the Milling of Curved Thin-Walled Parts

Cited by 6 publications

References 26 publications

Mathematical Models of the Geometry of Micro Milling Cutters

Mathematical Models of the Geometry of Micro Milling Cutters

Geometrical features of micro milling cutters for machining of medical components made of titanium alloys

Milling characteristics of SiCp/2024Al composites thin-walled part based on movable auxiliary support

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