An experimental approach to study the capability of end-milling for microcutting of glass

Arif, Muhammad; Rahman, M.; San, Wong Yoke; Doshi, Neha

doi:10.1007/s00170-010-2893-y

Cited by 53 publications

(22 citation statements)

References 29 publications

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“…Therefore, the brittle fracture removal mechanism applies to the removed materials on the workpiece surface in brittle fracture mode as discussed by Arif [1], 2) All diamond particles in a drill bit cross section are taking part in cutting, and 3) All diamond particles are rigid, with octahedral shape of the same size with equal side length for the twelve sides.…”

Section: Discussionmentioning

confidence: 99%

“…1 Where u and v are constant determined by α o , and α B only. The tabulated values of u and v a Zhao Błąd!…”

Section: Methodsmentioning

confidence: 99%

“…All workpieces used in this study are ideal brittle materials. Therefore, the brittle fracture removal mechanism applies to the removed materials on the workpiece surface in brittle fracture mode as discussed by Arif [1].…”

Section: Fracture Concept and Assumptionsmentioning

confidence: 99%

“…As the abrasive particle moves downwards during the first half of the ultrasonic sine wave, it s through the materials at t 1 . It keeps cutting downwards until at time t 2 , the abrasive particle maximum cutting depth in the workpiece.…”

Section: Figurementioning

confidence: 99%

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Rop Mathematical Model of Rotary-Ultrasonic Core Drilling of Brittle Material

Horne¹

2017

Adv. Sci. Technol. Res. J.

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The results from the Phoenix mission led scientists to believe it is possible that primitive life exists below the Martian surface. Therefore, drilling in Martian soil in search for organisms is the next logical step. Drilling on Mars is a major engineering challenge due to the drilling depth requirement and extreme environment condition. Mars lacks a thick atmosphere and a continuous magnetic field that shield the planet's surface from solar radiation and solar flares. As a result, the Martian surface is sterile and if life ever existed, it must be found below the surface. In 2001, NASA's Mars Exploration Payload Advisory Group proposed that drilling should be considered as a priority investigation on Mars in an effort of finding evidence of extinct or extant life. The results from the Curiosity mission suggested drilling six meters deep in the red planet in search for life. Excavation tools deployed to Mars so far have been able to drill to a maximum depth of 6.5 cm. Thus, the drilling capabilities need to be increased by a factor of approximately 100 to achieve the goal of drilling six meters deep. This requirement puts a demand on developing new and more effective technologies to reach this goal. Previous research shows evidence of a promising drilling mechanism in rotary-ultrasonic for what it offers in terms of high surface quality, faster rate of penetration and higher material removal rate. This research addresses the need to understand the mechanics of the drill bit tip and rock interface in rotary-ultrasonic drilling performance of one drill bit at a time drilling in three types of rocks that vary in strength. A mathematical model identifying all contributing independent parameters, such as drill bit design parameters, drilling process parameters, ultrasonic wave amplitude and rocks' material properties, that have effect on rate of penetration is developed. Analytical and experimental results under ambient condition are presented to show the effect of the variation of different parameters on rate of penetration performance as a first step of the investigation. It was found that the speed and WOB have significant effect on ROP while the rest of the parameter have very little or no effect.

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Section: Discussionmentioning

confidence: 99%

“…1 Where u and v are constant determined by α o , and α B only. The tabulated values of u and v a Zhao Błąd!…”

Section: Methodsmentioning

confidence: 99%

Section: Fracture Concept and Assumptionsmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

See 2 more Smart Citations

Rop Mathematical Model of Rotary-Ultrasonic Core Drilling of Brittle Material

Horne¹

2017

Adv. Sci. Technol. Res. J.

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“…Recently, it has been applied in machining brittle materials and crystals [19][20][21][22][23] with success. Micro-milling is therefore expected to have the potentials to cost effectively fabricate complexshaped silicon micro-components with feature size at the order of several tens to several hundreds of microns.…”

Section: Introductionmentioning

confidence: 99%

Surface and subsurface characterisation in micro-milling of monocrystalline silicon

Huo

Lin

Choong

et al. 2015

Int J Adv Manuf Technol

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This paper presents an experimental investigation on surface and subsurface characterisation of micro-machined single-crystal silicon with (100) orientation. Full immersion slot milling was conducted using solid cubic boron nitride (CBN) and diamond-coated fine grain tungsten carbide micro-end mills with a uniform tool diameter of 0.5 mm. The micro-machining experiments were carried out on an ultra-precision micro-machining centre. Formal design of experiments (DoE) techniques were applied to design and analysis of the machining process. Surface roughness, edge chipping formation and subsurface residual stress under varying machining conditions were characterised using white light interferometry, SEM and Raman microspectroscopy. Tens of nanometre-level surface roughness can be achieved under the certain machining conditions, and influences of variation of cutting parameters including cutting speeds, feedrate and axial depth of cut on surface roughness were analysed using analysis of variance (ANOVA) method. Raman microspectroscopy studies show that compressive subsurface residual stress and amorphous phase transformation were observed on most of the micro-machined subsurface, which provides evidence of ductile mode cutting. Surface and subsurface characterisation studies show that the primary material removal mode is ductile or partial ductile using lower feedrate for both tools, and diamond-coated tools can produce better surface quality. Silicon brain implants were fabricated with good dimensional accuracy and edge quality using the optimised machining conditions, which demonstrated that micro-milling is an effective process for fabrication of silicon components at a few tens to a few hundreds of micron scale.

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Engineering Materials for Micro Cutting

Subbiah

Melkote

2013

Micro‐Cutting

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An experimental approach to study the capability of end-milling for microcutting of glass

Cited by 53 publications

References 29 publications

Rop Mathematical Model of Rotary-Ultrasonic Core Drilling of Brittle Material

Rop Mathematical Model of Rotary-Ultrasonic Core Drilling of Brittle Material

Surface and subsurface characterisation in micro-milling of monocrystalline silicon

Engineering Materials for Micro Cutting

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