A comparative study on ultrasonic machining of hard and brittle materials

Guzzo, Pedro L.; Shinohara, Armando Hideki; Raslan, Alberto Arnaldo

doi:10.1590/s1678-58782004000100010

Cited by 52 publications

(28 citation statements)

References 13 publications

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“…Fine grit abrasive gives better SR [7, 9, 12, 19, 28, 34 47, 63]. Higher rate of slurry flow and depth of cut attained better SR. At the bottom of the cavity, better quality of SR is found [1,5,27,32,49,58]. It is difficult to obtain the flat surface at the bottom of cavity, because of the uneven flow of slurry in the depth of cut [14,50,59,64,68,78].…”

Section: Resultsmentioning

confidence: 99%

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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Section: Resultsmentioning

confidence: 99%

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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“…In order to understand the process better, experiments have been conducted by various investigators [15,16,[21][22][23][24][25]. The results indicate that the rate of material removal for a certain abrasive is a function of its concentration, grain size, and hardness besides the feed system.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Any further increase in either aspect results in difficulty in the larger grains reaching the cutting zone [16,21] or a subsequent fall in material removal rate. Guzzo and Shinohara [23] reported a substantial increase in material removal rate obtained while using abrasive of larger grain size on account of the increase in the stress caused by the impact of abrasive particle over the workpiece surface. Markov [16] and Neppiras [25] reported that when grain size is comparable to the amplitude of vibration, the optimum level of material removal rate can be reached.…”

Section: Literature Reviewmentioning

confidence: 99%

“…The model can be referred by machine operator from time to time and can also be used in process planning by practicing engineers. Similarly the amplitude of vibration has been found to affect the machining performance of USM [8,12,16,18,[23][24][25]31]. Experiments conducted by Neppiras [25] have shown that in the range of 20-50 kHz, the removal rate is proportional to square root of the vibration frequency.…”

Section: Literature Reviewmentioning

confidence: 99%

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On the mechanism and mechanics of material removal in ultrasonic machining

Agarwal

2015

International Journal of Machine Tools and Manufacture

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“…For this reason, ultrasonic assisted machining, which is a hybrid process that combines the material removal mechanism and ultrasonic vibration, has been considered. This process can be useful for ceramic machining because an additional axial ultrasonic vibration can lead to reduction in cutting temperature and tool wear while maintaining high surface quality, which cannot be obtained from conventional machining [6][7][8][9][10]. Therefore, ultrasonic assisted machining has been applied for machining of the ceramics as an alternative method to traditional machining [9].…”

Section: Introductionmentioning

confidence: 99%

Understanding of Ultrasonic Assisted Machining with Diamond Grinding Tool

Park¹,

Hong²,

Kim³

et al. 2014

MME

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In this work, machining test was carried out in various machining conditions using ultrasonic vibration capable CNC machine. For work material, alumina ceramic (Al 2 O 3 ) was used while for tool material diamond electroplated grinding wheel was used. To evaluate ultrasonic vibration effect, grinding test was performed with and without ultrasonic vibration in same machining condition. In ultrasonic mode, ultrasonic vibration of 20 kHz was generated by HSK 63 ultrasonic actuator. On the other hand, grinding forces were measured by KISTLER dynamometer. And an optimal sampling rate for grinding force measurement was obtained by a signal processing and frequency analysis. The surface roughness of the ceramic was also measured by using stylus type surface roughness instrument and atomic force microscope (AFM). Besides, the scanning electron microscope (SEM) was used for observation of surface integrality.

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A comparative study on ultrasonic machining of hard and brittle materials

Cited by 52 publications

References 13 publications

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

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

On the mechanism and mechanics of material removal in ultrasonic machining

Understanding of Ultrasonic Assisted Machining with Diamond Grinding Tool

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