2D FEM estimate of tool wear in turning operation

Xie, Lijing; Schmidt, Jan Philipp; Schmidt, Carsten; Biesinger, Frank

doi:10.1016/j.wear.2004.11.004

Cited by 139 publications

(66 citation statements)

References 2 publications

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“…In general, indentation studies have only been interested in the response of the indenter and substrate before cutting initiates [1][2][3][4][5][6][7][8][9], while cutting studies [10][11][12][13][14][15][16][17][18][19][20][21][22][23] have generally examined the long term response of the cutting process, where material separation or cutting reaches a steady state.…”

Section: Introductionmentioning

confidence: 99%

“…In most of the cutting papers reviewed [10][11][12][13][14][15][16][17]19] the work piece or substrate material was modelled with deformable finite elements and most studies used a two dimensional finite element formulation [10-13, 15, 16, 19]. Where anisotropy existed in the substrate, a full three-dimensional analysis was employed [14].…”

Section: Introductionmentioning

confidence: 99%

“…Where anisotropy existed in the substrate, a full three-dimensional analysis was employed [14]. On the other hand, the cutting tool or instrument has been modelled as both rigid [10,11,15,16] and/or deformable [12,[16][17][18][19][20]. In the deformable cases, the authors were interested in determining temperature distributions [12,18], wear [16,19], displacements [17], or mode shapes [20] in the cutting tool.…”

Section: Introductionmentioning

confidence: 99%

“…However, very little information was given on the actual value of the coefficients of static and dynamic friction at the tool/substrate interface, with most researchers just estimating it. Many different approaches such as cohesive zone models [10], the CockroftLatham model [11], virtual crack extension method [14], fracture mechanics [14] and element deletion using a shear failure criterion [16] have been used to simulate material separation as the cutting commences. To solve the problem many different commercially available finite element codes, such as ABAQUS [10,16], DEFORM-2D [11,19], MARC [12,13,15], SAMCEF [14] and ANSYS [17,18] have been used, with no fundamental underpinning reason for the particular choice of code.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

On the sharpness of straight edge blades in cutting soft solids: Part II – Analysis of blade geometry

McCarthy

Annaidh

Gilchrist

2010

Engineering Fracture Mechanics

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In Part I of this paper a new metric, titled the "Blade Sharpness Index" or "BSI", for quantifying the sharpness of a straight edge blade when cutting soft solids was derived from first principles and verified experimentally by carrying out indentation type cutting tests with different blades types cutting different target or substrate materials. In this Part II companion paper, a finite element model is constructed to examine the effect of different blade variables including tip radius, wedge angle and blade profile on the BSI developed in Part I. The finite element model is constructed using ABAQUS implicit and experiments are performed to characterise the non-linear material behaviour observed in the elastomeric substrate. The model is validated against the experiments performed in Part I and a suitable failure criterion is determined by carrying out experiments on blades with different tip radii. The paper finds that a simple maximum stress criterion is a good indicator for predicting the onset of cutting.The validated model is then used to examine blade geometry. It is shown that finite element analysis is an important tool in helping to understand the mechanics of indentation.Furthermore, the study finds that all the blade geometric variables have an influence on the

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

On the sharpness of straight edge blades in cutting soft solids: Part II – Analysis of blade geometry

McCarthy

Annaidh

Gilchrist

2010

Engineering Fracture Mechanics

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“…Historically, the simulations began with 2D Lagrangian models followed by ALE models [1]. More recently, extruded ALE 2D models and true 3D model have been proposed [2].…”

Section: Introductionmentioning

confidence: 99%

Local Global Method for the Prediction of Surface Residual Stresses in 3D Turning

Valiorgue

Girinon

Feulvarch

et al. 2014

AMR

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Abstract. Numerical simulation of turning is still one of the best solutions to understand and improve such a process. Since many years, researchers have tried to use several numerical approaches to go round the difficulties and to set up reliable models (Lagrangian, ALE,…). Currently no perfect complete solution is available and it is time to introduce dedicated models prone to simulate partially the phenomena in order to reach specific conditions linked with real industrial problematics. This paper will present a 3D local global method set up to predict surface residual stresses in finish turning. This approach uses two kinds of simulations. A first one that allows reaching thermo mechanical steady state around the cutting edge and the chip area. A second one which sequences the application of the extracted thermo mechanical fields onto the real workpiece surface. The obtained results concerning the residual stresses fields will then be compared with the ones recorded experimentally.

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Intelligent Machining: Computational Methods and Optimization

Deb

Dixit

Machining

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2D FEM estimate of tool wear in turning operation

Cited by 139 publications

References 2 publications

On the sharpness of straight edge blades in cutting soft solids: Part II – Analysis of blade geometry

On the sharpness of straight edge blades in cutting soft solids: Part II – Analysis of blade geometry

Local Global Method for the Prediction of Surface Residual Stresses in 3D Turning

Intelligent Machining: Computational Methods and Optimization

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