Analysis of Ultrasonic Machining Using Monte Carlo Simulation

Sahay, Chittaranjan; Ghosh, Suhash; Kammila, Hari Kiran

doi:10.1115/imece2011-63240

Cited by 11 publications

(26 citation statements)

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“…Thus an abrasive is characterized by µ and d g . During indentation by the abrasive grit onto the work-piece and the tool, the local spherical bulges contact the surfaces and the indentation process is characterized by d b rather than by d g [14,19,28,37,43,55,61,68,72,73]. Fig.…”

Section: Traditional Ultrasonic Machiningmentioning

confidence: 99%

“…Two type of transducer are generally used, magnetostatic and piezoelectric transducer [8,9,10,11,19,24,28]. The transducer converts high frequency electrical signals into mechanical vibrations [5,14,19,21,24]. Through horn, the effect of vibrations are amplified and concentrate on tool assembly [4,8,9,15,24].…”

Section: Introductionmentioning

confidence: 99%

“…Most preferable abrasives are boron carbide, alumina, silicon carbide and diamond dust [2,9,12,13,34,62]. Abrasive particles are forced by tool vibrations to strike on work surface [14,37,49,51]. The impact of abrasive particles supports to erode the material in the form of micro-chips [5,8,10,13,28,62].…”

Section: Introductionmentioning

confidence: 99%

“…The impact of abrasive particles supports to erode the material in the form of micro-chips [5,8,10,13,28,62]. The shape of cavity is similar to the USM tool [1,2,5,8,10,13,14,45]. Volumetric material removal rate of USM is relatively low [9,18,22,29,37,58].…”

Section: Introductionmentioning

confidence: 99%

“…Figure 2 shows the 500 W USM machine manufactured by Sonic Mill and made in USA, which is used for small operation [7,12]. The horn transfer mechanical vibration energy from transducer to tool [5,10,14,19,37,48]. It also amplify the mechanical vibration effect.…”

Section: Introductionmentioning

confidence: 99%

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Mathematical Modeling for Material Removal and Optimization of Ultrasonic Drilling of Polycarbonate and Acrylic Glass for Surface Roughness by GRA Approach

Singh¹

2017

IJMEA

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Abstract:Polycarbonate bullet proof and acrylic heat resistant glasses are used as the functional material in many industrial application. In automobile industries, banks and cabins, polycarbonate bullet proof glass has been used for security purpose. Similarly, acrylic heat resistant glass is used in furnace, microwaves, space craft and airplane applications. In this experimental research paper, Taguchi modal and Grey relational analysis are utilized for the ultrasonic drilling in these materials. For experimentation, input parameters are concentration, abrasive, grit size, power rating, hydrofluoric acid and tool materials. Output parameters are material removal rate, tool wear rate and surface roughness. In which, surface roughness is most significant output parameter, because it describe accuracy of the process. Through optimization analysis, Taguchi modal suggest that 40% abrasive concentration, mixture of (Alumina, Silicon carbide and Boron carbide) abrasive in 1:1:1, 600 grit of abrasive and 1.5% hydrofluoric acid gives best results for drilling in polycarbonate bullet proof glass material. Similarly, in acrylic heat resistant glass, mixture of Silicon carbide and Boron carbide (1:1), 600 grit abrasive and 1% hydrofluoric acid gives the optimum results. Concentration of slurry, abrasive grit size and hydrofluoric acid are the most significant parameters for ultrasonic drilling in both materials. Through Grey relational analysis the surface roughness is improved by 40% and 48% in polycarbonate (UL-752) and acrylic (BS-476) glass respectively.

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