Estimation of tool wear in orthogonal cutting using the finite element analysis

Yen, Yung‐Chang; Söhner, Jörg; Lilly, Blaine; Altan, Taylan

doi:10.1016/s0924-0136(03)00847-1

Cited by 228 publications

(107 citation statements)

References 12 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%

“…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%

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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%

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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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“…This kind of deterioration function may be successfully employed to model tool wearing processes (see e.g. [9], [2] among others). In addition, notice that this choice allows to have a formulation similar to the Markov problem considered in the literature in the following sense: the uptime given by our deterministic problem if working at constant rateū is 1/(aū β + b).…”

Section: Notation and Problem Formulationmentioning

confidence: 99%

Optimal cycle production of a manufacturing system subject to deterioration

Martinelli

Piedimonte

2008

Automatica

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A single part type, single machine, fluid model manufacturing system is considered. The machine is subject to a deterministic deterioration process, which depends on the operation rate. The objective is to minimize a long term average cost index which penalizes inventory surplus and backlog. The optimal policy determined presents some similarities with the policy conjectured optimal for Markov failure prone systems. The considered problem can be applied to several real contexts, not only from the manufacturing domain, as briefly discussed in the paper.

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