Готові списки джерел за темами / ABRASIVE JET MACHINING

Добірка наукової літератури з теми "ABRASIVE JET MACHINING"

Автор: Grafiati
Опубліковано: 11 вересня 2023

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Статті в журналах з теми "ABRASIVE JET MACHINING"

1

Madhu, S., and M. Balasubramanian. "A Review on Abrasive Jet Machining Process Parameters." Applied Mechanics and Materials 766-767 (June 2015): 629–34. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.629.

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Анотація:
Abrasive jet machining (AJM) also known as abrasive micro-blasting or Pencil blasting is an abrasive blasting machining process that uses abrasives propelled by high velocity gas to erode material from the work piece. It has been applied to rough working such as deburring and rough finishing, machining of ceramics and electronic devices. AJM has become a useful technique for micro machining. It has various distinct advantages over the other non-traditional cutting methods, which are high machining versatility, minimum stresses on the substrate. This paper deals with several experiments that have been conducted by many researchers to assess the influence of abrasive jet machining (AJM) process parameters such as type of abrasive Particle , Abrasive Particle size, Jet pressure Nozzle tip distance. Various experiments were conducted to assess the influence of abrasive jet machine.
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2

Arivazhagan, R., C. Dominic Savio, K. Aakash, M. Ahamed Abuthahir, and C. Ganesh. "An Investigation on Cut Quality of Aluminum Matrix Composites Cut by Abrasive Waterjet." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (April 30, 2022): 535–43. http://dx.doi.org/10.22214/ijraset.2022.41263.

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Анотація:
Abstract: Metal matrix composites are difficult to machine in traditional machining methods. Abrasive water jet machining is a state-of-the art technology which enables machining of practically all engineering materials. Abrasive water jet machining is a very efficient machining process which overcomes tool wear issues and cutting temperature issues. This experimental investigates a particular study performed on hybrid metal matrix composites prepared by AA6082 and reinforced 7.5% of TiB2 and 1% graphite in aluminum alloy and processed with abrasive water jets that are formed with garnet 80 mesh size. Particularly roughness average majorly influences with water jet traverse speed. Among interaction effects stand of distance is majorly influenced with geometrical properties except diameter error. Although developing the statistical models for predicting the machining characteristics and geometrical accuracy and the study carried out in this work would help to choose the parameters carefully. Keywords: Abrasive Waterjet Cutting, Abrasives, Metal Matrix Composites, Sand Casting
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3

KURIYAGAWA, Tsunemoto, Norio YOSHIDA, and Katsuo SYOJI. "Machining Characteristics of Abrasive Jet Machining." Journal of the Japan Society for Precision Engineering 64, no. 6 (1998): 881–85. http://dx.doi.org/10.2493/jjspe.64.881.

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4

Liu, Zeng Wen, and R. Y. Liu. "Study on Pre-Mixed Micro Abrasive Water Jet Machining System." Applied Mechanics and Materials 618 (August 2014): 475–79. http://dx.doi.org/10.4028/www.scientific.net/amm.618.475.

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Анотація:
This paper conducts a study on a pre-mixed micro abrasive water jet machining system. A new kind of abrasive mixing tank and the jet system are designed and tapped for the pre-mixed micro abrasive water jet machining system. The performances of the pre-mixed micro AWJ machining system are tested, and some polishing experiments are conducted for hard-brittle materials such as silicon nitride. The results show the feasibility and the advantage of the pre-mixed micro abrasive water jet machining system for polishing hard-brittle materials.
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5

Grover, Punit, Sanjay Kumar, and Qasim Murtaza. "Study of Aluminum Oxide Abrasive on Tempered Glass in Abrasive Jet Machining Using Taguchi Method." International Journal of Advance Research and Innovation 2, no. 1 (2014): 201–5. http://dx.doi.org/10.51976/ijari.211432.

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Анотація:
The abrasive jet machining (AJM) is a non-conventional machining process in which a abrasive particles are made to impinge on the work material at a high velocity. The jet of abrasive particles is carried by carrier gas or air. The high velocity stream of abrasive is generated by converting the pressure energy of the carrier gas or air to its kinetic energy . The high velocity abrasive particles remove the material by micro-cutting action as well as brittle fracture of the work material . Abrasive jet machining is generally good for cutting hard or brittle materials and is usually performed to furnish machining or finishing operation such as cutting, deburring, etching, etc. This project deals with the fabrication of the Abrasive Jet Machine and machining on tempered glass, calculating the material removal varying various performance parameters like pressure, angle abrasive grit size so on. Before performing the experiment ,fabrication done on AJM which are also discussed.. The different problem faced while machining on tempered glass are also discussed.Taguchi method and ANOVA is used for analysis of material removal rate .
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Janković, Predrag, Miroslav Radovanović, Oana Dodun, Miloš Madić, and Dušan Petković. "Aspects of Machining Parameter Effect on Cut Quality in Abrasive Water Jet Cutting." Applied Mechanics and Materials 809-810 (November 2015): 201–6. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.201.

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Анотація:
Abrasive water jet machining is frequently used in industry. It is one of the most versatile processes in the world. The basic advantages of abrasive water jet machining is that no heat affected zones or mechanical stresses are left on an abrasive water jet cut surface, high flexibility and small cutting forces. Although this cutting technology includes many advantages, there are some drawbacks. For instance, abrasive water jet cutting can produce tapered edges on the kerf of workpiece being cut. This can limit the potential applications of abrasive water jet cutting, if further machining of the edges is needed to achieve the engineering tolerance required for the part. The machining parameters have a great influence on these phenomena. The aim of this paper is to investigate the cut quality of EN AW-6060 aluminium alloy sheets under abrasive water jets. The experimental results indicate that the feed rate (nozzle traverse speed) of the jet is a significant parameter on the surface morphology.
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7

Sreekesh, K., and P. Govindan. "Experimental Investigation and Analysis of Abrasive Water-Jet Machining Process." Asian Review of Mechanical Engineering 2, no. 2 (November 5, 2013): 42–48. http://dx.doi.org/10.51983/arme-2013.2.2.2347.

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Анотація:
The abrasive water-jet machining is an unconventional and eco-friendly technology used for industrial applications. This paper presents a comprehensive experimental investigation of the process, based on the material removal mechanism. The quality of surfaces machined using the process is investigated in detail. The results have indicated that surface roughness values (Ra in μm) vary between 3.5 and 5.5. The flow of abrasives, their speed and size influence quality of the machined surfaces. As the abrasive flow increases, the surface finish improves drastically. The optimum abrasive flow rate for obtaining the minimum surface roughness of 4.2 μm was corresponding to the maximum level of 7 g/s. This study has also indicated a possibility of applying abrasive water jet machining for fine polishing of machined surfaces, thereby validating the earlier investigations.
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8

Wang, Hongqi, Ruifu Yuan, Xinmin Zhang, Penghui Zai, and Junhao Deng. "Research Progress in Abrasive Water Jet Processing Technology." Micromachines 14, no. 8 (July 29, 2023): 1526. http://dx.doi.org/10.3390/mi14081526.

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Анотація:
Abrasive water jet machining technology is an unconventional special process technology; its jet stream has high energy, and its machining process is characterized by no thermal deformation, no pollution, high applicability, and high flexibility. It has been widely used for processing different types of materials in different fields. This review elaborates on the basic principles and characteristics of abrasive water jet processing, the mechanism of erosion, the simulation of the processing, the influence of process parameters in machining removal, and the optimization of improvements, as well as introduces the current application status, new technology, and future development direction of abrasive water jet technology. This review can provide an important information reference for researchers studying the machining processing of abrasive water jet technology.
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9

Tsai, Feng Che, Yann Long Lee, and Ju Chun Yeh. "The technical development of titanium alloy surface process using electrochemical abrasive jet machining." Industrial Lubrication and Tribology 70, no. 8 (November 12, 2018): 1545–51. http://dx.doi.org/10.1108/ilt-05-2017-0119.

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Анотація:
Purpose This paper aims to develop an electrochemical abrasive jet machining (ECAJM) technology to investigate the surface machining effect of Ti-6Al-4V alloy. Design/methodology/approach First, the ECAJM equipment was set up, and a series of experiments for the surface machining of Ti-6Al-4V alloy was performed. Findings The experimental results show that the flowing abrasives of 0.05 Wt.% can effectively remove the TiO2 oxide film of Ti-6Al-4V alloy surface. In addition, the flowing abrasives produce cutting machining effect on the surface of titanium aluminum alloy, and the oxide film can be removed effectively. For the case of machining pressure of 0.4 Mpa and machining gap of 0.4 mm, the processing efficiency can be achieved up to 20 µm/s. Originality/value Under different machining pressure, the flowing abrasive with high kinetic energy impacting the Ti-6Al-4V alloy surface and the oxide film produced from the electrolytic reaction process can be removed effectively, thereby enhancing the efficiency of electrochemical machining process.
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10

Kurbegovic, Ramiz, and Mileta Janjic. "Jet lagging in abrasive water jet cutting of high-speed tool steel." IMK-14 - Istrazivanje i razvoj 27, no. 2 (2021): 73–80. http://dx.doi.org/10.5937/imk2102073k.

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Анотація:
Abrasive water jet machining is a very efficient unconventional method for contour cutting of different types of materials. As one of the main characteristics of the quality of surfaces machined with this method is curved lines that appear during machining. These lines are a consequence of the deviation of the abrasive water jet from its ideal vertical line, jet lagging, which are the cause of machining errors. The aim of this work is to investigate the influence of machining parameters on jet lagging. The samples of high-speed steel EN HS6-5-2 (JUS c.7680) were machined with an abrasive water jet under varying working pressure, traverse speed, abrasive mass flow rate, and stand-off distance. The jet lagging was measured at twenty places along with the depth of cut, and based on these results, the relationship between the jet lagging and machining parameters has been formed. In order to correctly select the process parameters, an empirical model for the prediction of jet lagging in abrasive waterjet cutting of high-speed steel EN HS6-5-2 was developed using regression analysis. This developed model has been verified with the experimental results that reveal high applicability of the model within the experimental range used.
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Дисертації з теми "ABRASIVE JET MACHINING"

1

Bui, Van Hung. "Strategies in 3 and 5-axis abrasive water jet machining of titanium alloys." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30218.

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Анотація:
L'alliage de titane est généralement utilisé pour les pièces structurelles aéronautiques ayant une taille importante et ainsi que des parois minces tout en devant résister à des efforts considérables. L'usinage de ces pièces est difficile avec les méthodes classiques telles que le fraisage, car les forces de coupe sont élevées et les parois minces peuvent être facilement déformées. L'usinage de l'alliage de titane (Ti6Al4V) par un procédé utilisant un jet d'eau abrasif (AWJ) peut potentiellement être utilisé pour remplacer les méthodes d'usinage conventionnelles. Cependant, la compréhension des différents aspects de ce procédé est insuffisante pour autoriser son industrialisation. Cette thèse présente un modèle de prévision de la profondeur usinée dans deux cas de direction du jet : un jet perpendiculaire à la surface de la pièce et un jet incliné. Dans un premier temps, la compréhension du processus d'enlèvement de matière et de la qualité de surface obtenue est étudiée à travers l'observation de l'influence des paramètres du processus. Dans un second temps, un modèle basé sur la distribution gaussienne des particules abrasives dans le jet d'eau est proposé pour caractériser un passage élémentaire et pour prédire le profil du fond de poche obtenu par une succession de passages élémentaires. Ensuite, une méthodologie d'usinage des coins de poche utilisant un contrôle adaptatif de la vitesse d'avance est présentée. Enfin un nouveau modèle du profil du fond de poche prenant en compte l'angle d'inclinaison du jet est présenté. Tout au long de ce travail de thèse, la validation expérimentale a montré un bon accord entre les valeurs mesurées et modélisées et a ainsi démontré la capacité du jet d'eau abrasif à usiner à une profondeur contrôlée
Titanium alloy is generally used for aeronautical structural parts having a large size and as thin walls while having to withstand considerable effort. Machining these parts is difficult with conventional methods such as milling, because the high cutting forces can easily deform the part. Machining of titanium alloy (Ti6Al4V) by an abrasive water jet (AWJ) process can potentially be used to replace conventional machining methods. However, the understanding of the different aspects of this process is insufficient to allow its industrialization. This thesis presents a model of prediction of the machined depth in two cases of direction of the jet: a jet perpendicular to the surface of the part and an inclined jet. At first, the understanding of the removal material process and the obtained surface quality is studied through the observation of the influence of the process parameters. In a second step, a model based on the Gaussian distribution of abrasive particles in the water jet is proposed to characterize an elementary pass and to predict the pocket bottom profile obtained by a succession of elementary passes. Then, a method to machine pocket corners using an adaptive control of the feed rate is presented. Finally, a new model of the pocket bottom profile taking into account the angle of inclination of the jet is presented. Throughout this thesis work, the experimental validation showed a good agreement between the measured and modeled values and thus demonstrated the ability of the abrasive water jet milling to machine to a controlled depth
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2

Cortés, Rodríguez Carlos Julio [Verfasser]. "Cutting edge preparation of precision cutting tools by applying micro-abrasive jet machining and brushing / Carlos Julio Cortés Rodríguez." Kassel : Kassel University Press, 2009. http://d-nb.info/1007184876/34.

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3

Zhong, Yu Mechanical &amp Manufacturing Engineering Faculty of Engineering UNSW. "A study of the cutting performance in multipass abrasive waterjet machining of alumina ceramics with controlled nozzle oscillation." Publisher:University of New South Wales. Mechanical & Manufacturing Engineering, 2008. http://handle.unsw.edu.au/1959.4/41216.

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Анотація:
An experimental investigation has been undertaken to study the depth of cut in multipass abrasive waterjet (AWJ) cutting of an 87% alumina ceramic with controlled nozzle oscillation. The experimental data have been statistically analysed to study the trends of the depth of cut with respect to the process parameters. It has been found that multipass cutting with controlled nozzle oscillation can significantly increase the depth of cut. Within the same cutting time and using the same cutting parameters other than the jet traverse speed, it has been found that multipass cutting with nozzle oscillation can increase the depth of cut by an average of 74.6% as compared to single pass cutting without nozzle oscillation. Furthermore, a multipass cutting with higher nozzle traverse speeds can achieve a larger depth of cut than a single pass cutting at a low traverse speed within the same cutting time. A recommendation has been made for the selection of appropriate process parameters for multipass cutting with nozzle oscillation. In order to estimate the depth of cut on a mathematical basis, predictive models for the depth of cut in multipass cutting with and without nozzle oscillation have been developed using a dimensional analysis technique. The model development starts with the models for single pass cutting which are then extended to multipass cutting where considerations are given to the change of the actual standoff distance after each pass and the variation of kerf width. These predictive models has been numerically studied for their plausibility by assessing their predicted trends with respect to the various process variables, and verified qualitatively and quantitatively based on the experimental data. The model assessment reveals that the developed models correlate very well with the experimental results and can give adequate predictions of this cutting performance measure in process planning.
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4

Doležal, Václav. "Návrh technologie výroby tvarového víka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230851.

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Анотація:
This thesis presents a design technology of forming a shaped lid focused on cutting, bending, drawing, as well as trimming and making the required holes. There is described several basic variants of sheet metal forming based on the literature. Production of holes of specified cover, for an annual production of 100 pieces of shaped lid, is solved by unconventional technologies. From subsequent economic evaluation of selected technologies is chosen an appropriate technology to minimize production costs.
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5

Brym, Radek. "Trendy vývoje obrábění vodním paprskem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228165.

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Анотація:
In diploma thesis there is elaborated the analysis of assumed development of water jet technology and there is analyzed the level of water jet method in production. There are introduced the possibilities of new applications of water jet machining and the possibilities of it’s future development. There is think over the enlargement of this method in next 5 years. Simultaneously there is solved the question of techno economic operation severity of this technology.
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6

Hejjaji, Akshay Amaranath. "Abrasive waterjet milling of CFRP composites and its influence on the mechanical behavior and patch adhesion intended for repair application." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30235.

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Анотація:
Le procédé d'usinage par Jet d'eau Abrasif (JEA) est un processus polyvalent, largement employé pour découper une vaste gamme de matériaux. Récemment, quelques études ont démontré la capacité de ce procédé pour l'usinage non débouchant à profondeur contrôlée de matériaux composites, qui peuvent potentiellement être utilisés pour la réparation de structures aéronautiques composites endommagées. Plusieurs études scientifiques rapportent que ce procédé d'usinage induit divers types de défauts sur la surface usinée. S'agissant d'une application récente, l'usinage non débouchant de matériaux composites par JEA nécessite des investigations pour être compris sur de nombreux points. Cette thèse participe à combler ce manque en définissant trois objectifs : l'usinabilité du matériau composite par ce procédé, l'influence des défauts générés par l'usinage JEA sur le comportement mécanique, et l'influence de la qualité de surface et des défauts sur l'adhésion d'un collage dans un contexte de réparation. Premièrement, la compréhension de l'usinabilité des composites à renforts en fibres de carbone (CFRP) implique l'étude du taux d'enlèvement de matière, la morphologie de la surface usinée, et la caractérisation de la nature et de la taille des défauts générés par le procédé d'usinage. La qualité d'usinage est évaluée en utilisant des paramètres superficiels traditionnels comme la rugosité superficielle (Ra), et pour la première fois, la quantification des défauts est faite en utilisant un nouveau critère qui utilise un paramètre nommé " volume de cratères ". L'idée qui mène la deuxième partie de l'étude consiste à relier la qualité de la surface générée par l'usinage et le volume de défauts au comportement mécanique de la structure usinée. L'influence de la modification superficielle induite par l'usinage et l'influence des défauts sur la performance mécanique sont étudiées sous un chargement statique en traction, puis sous un chargement dynamique de fatigue traction/traction sur des spécimens usinés avec des niveaux de défauts variables. Les tests mécaniques statiques sont instrumentés avec un extensomètre et par de la corrélation d'images numériques, alors que les tests en fatigue sont instrumentés avec des extensomètres, des capteurs d'émissions acoustiques et par thermographie infrarouge.[...]
Controlled depth milling of carbon fiber reinforced plastic (CFRP) composites by abrasive water jet (AWJ) process is a recent advancement which can potentially be used for repairing composite structures. Aircraft composite structural repair is a costly affair owing to stringent requirements of skilled labor, time and regulatory certifications. Presently the aircraft maintenance industry lacks a reliable machining process for repair procedure. In comparison with conventional machining process AWJ milling could be a major advantage in the favor of the aircraft maintenance industry. However, knowledge on many aspects of this process is inadequate for reliable industrialization. Hence, this thesis focuses on narrowing this research gap by defining three objectives. Firstly, understanding the machinability of CFRPs, for this, the influence of process parameters on material removal rate, surface quality and nature and size of defects are studied. The machining quality is benchmarked using the traditional surface roughness criterion and a newly proposed criterion crater volume 'Cv' based on the quantification of the crater defects. The newly proposed machined surface quality criterion clears all the ambiguity that was previously present with the usage of surface roughness criterion. Secondly, the influence of machined surface quality and defects on static tensile and tension-tension fatigue behavior is studied for specimens with varying nature and levels of machining induced defects. The tensile strength and the endurance limits of various specimens are correlated with machining quality (Ra and Cv). The damage initiation and progression during loading and the role of defects in the promotion of the damage is studied using techniques like acoustic emission, thermography and X-ray tomography. Finally, the influence of machining quality on the quality of repair patch adhesion is examined by performing tensile tests on the specimens milled and bonded using an epoxy adhesive with new CFRP plies. These studies aid the industrial community to ascertain the usability of AWJ milling for composite repair and lay a strong foundation for industrialization of the AWJ milling process
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7

VIVEK, AAMERIA. "ABRASIVE JET MACHINING ON TEMPERED GLASS USING SILICON CARBIDE ABRASIVES." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15697.

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8

Tsai, Feng-Che, and 蔡逢哲. "A Study on Abrasive Jet Technology for Micro-Machining." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/60284237450862631366.

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Анотація:
博士
國立中央大學
機械工程研究所
96
This study introduces an Abrasive Jet Polishing (AJP) technique to improve the polishing performance. Furthermore, a Gas Atomization technique is employed to fabricate Wax-coated #3000SiC particles, investigations to establish the optimal AJP parameters for the surface finishing of different SKD61 mold steel specimens shape and processed. Taguchi design experiments are performed to identify the optimal AJP parameters when applied to the polishing of SKD61 mold steel specimens. Using #2000SiC particles were mixed with water wax and pure water in a ratio of 500: 1000: 1500 (Water Wax: SiC particles: Pure Water). Following 90 minutes of blasting, the surface roughness is improved from an initial value of 7.74 μm Rmax to 0.45 μm Rmax, thereby obtain a mirror-like surface finish. AJP polishing of the micro-grooving SKD61 surface, Linear type micro-channel SKD61 surface and Curvee type micro-channel SKD61 surface using #3000SiC particles mixed with water wax and pure water in the ratio 500:1000:1500 (Water Wax: SiC particles: Water) reduces the surface roughness from an initial value of Rmax = 2.32 μm, Rmax = 3.45 μm and Rmax = 3.58 μm to a final value of Rmax = 0.40 μm, Rmax = 0.43 μm and Rmax = 0.45 μm within 30 minutes, 60 minutes and 60 minutes, respectively. Gas Atomization system used in this study to fabricate the Wax-coated #3000SiC particles. AJP polishing of the ground SKD61 surface using wax-coated #3000SiC particles mixed with water wax and pure water in the ratio 500: 1000: 1500 (Water Wax: SiC particles: Water) reduces the surface roughness from an initial value of Rmax = 3.26 μm to a final value of Rmax = 0.31 μm within 45 minutes. In addition, using wax-coated #3000SiC particles of the micro-grooving SKD61 surface, Linear type micro-channel SKD61 surface and Curvee type micro-channel SKD61 surface reduces, the surface roughness from an initial value of Rmax = 2.32 μm, Rmax = 3.45 μm and Rmax = 3.58 μm to a final value of Rmax = 0.31 μm, Rmax = 0.35 μm and Rmax = 0.40 μm within 30 minutes, 60 minutes and 75 minutes, respectively. Overall, the results show that the use of wax-coated abrasive particles reduces the polishing time and achieves an improved surface finish.
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9

Chao, Tseng-Min, and 趙曾民. "Abrasive jet machining of micro-hole array on brittle materials." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/y8yn3n.

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Анотація:
碩士
淡江大學
機械與機電工程學系碩士班
104
Brittle materials such as glasses, silicon, silicon carbide are normally categorized as difficult to machine materials for its high hardness and brittleness s. However, they have attracted more and more attentions and been playing critical roles in many scientific/engineering applications for their advanced physic/optical/electronic properties. Micro-patterns such as micro-hole (array) of various sizes and shapes are frequently required to be generated on brittle materials. Many researchers have tried different approaches such as laser ablation, ultrasonic machining, rotary ultrasonic machining…. to produce micro-hole in brittle materials. This research applied abrasive jet machining to fabricate micro-hole array on glass. Efforts have been made to investigated the effect of grit-size, stand-off distance, pressure, scanning speed on the material removal rate and the obtained hole accuracy. Micro-holes of various shapes and with characteristic dimension ranged from 0.2mm to 2mm are successfully produced in glass plate of 0.4mm thickness.
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10

Chi, Hou-Jen, and 紀厚任. "Investigation of AWJ(Abrasive-Water-Jet) Machining of Brittle Materials." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/38366447693230840292.

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Анотація:
碩士
淡江大學
機械與機電工程學系碩士班
100
Water abrasive jet (WAJ) is regarded as one of the very effective ways of machining difficult-to-machine materials such as steel, titanium alloys, composite and ceramic materials. Its applications can range from cutting/dicing/drilling when applying the AWJ with a high impact angle to micro-cutting/polishing/cleaning where the impact angle is kept very low. This research aimed to study the feasibility of using AWJ to cut the chemically toughened cover glasses and to polish the precision ground tungsten carbide (WC) materials. Alumina (Al2O3) and silicon carbide (SiC) particles of various sizes were used as the abrasives. Chemically toughened Gorilla (Corning) glass and WC of different cobalt concentrations were the tested materials. It is founded that, owing to the different removal rate between Co and WC, surface roughness of precision ground WC specimen of high Co concentration (18%) is more difficult to be improved than those of lower Co concentration (0~3%). SiC abrasives, having the higher hardness value, can achieve better material removal than Al2O3. As to the AWJ dicing process, a novel laser/AWJ hybrid dicing process where using laser to penetrate the toughened layer and AWJ to finish the dicing process was proposed and verified in this study.
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Книги з теми "ABRASIVE JET MACHINING"

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Momber, Andreas W., and Radovan Kovacevic. Principles of Abrasive Water Jet Machining. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1572-4.

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Momber, Andreas W. Principles of Abrasive Water Jet Machining. London: Springer London, 1998.

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Momber, Andreas W. Principles of abrasive water jet machining. London: Springer, 1998.

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4

Jagadish and Kapil Gupta. Abrasive Water Jet Machining of Engineering Materials. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36001-6.

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5

Jun, Wang. Abrasive waterjet machining of engineering materials. Uetikon-Zuerich, Switzerland: Trans Tech Publications, Ltd., 2003.

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Principles of Abrasive Water Jet Machining. Springer, 2012.

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Gupta, Kapil, and Jagadish. Abrasive Water Jet Machining of Engineering Materials. Springer, 2019.

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Частини книг з теми "ABRASIVE JET MACHINING"

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Boparai, Kamaljit Singh, and Jasgurpreet Singh Chohan. "Abrasive Jet Machining." In Non-Conventional Hybrid Machining Processes, 117–34. First edfition. | Boca Raton : CRC Press, 2020. |: CRC Press, 2020. http://dx.doi.org/10.1201/9780429029165-8.

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Shukla, Mukul. "Abrasive Water Jet Milling." In Nontraditional Machining Processes, 177–203. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5179-1_6.

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Singh, Sachin, Vishal Gupta, and M. R. Sankar. "Abrasive Water Jet Machining." In Materials Forming, Machining and Tribology, 71–96. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43312-3_4.

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4

Bayraktar, Şenol, and Cem Alparslan. "Sustainable Abrasive Jet Machining." In Advances in Sustainable Machining and Manufacturing Processes, 173–88. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003284574-11.

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Aydin, Gokhan, and Izzet Karakurt. "Abrasive Water Jet Machining (AWJM)." In Advanced Machining Science, 15–36. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9780429160011-2.

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6

Hashish, M. "Three-Dimensional Machining with Abrasive-Waterjets." In Jet Cutting Technology, 605–20. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2678-6_40.

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Gupta, Kapil, Muralidhar Avvari, Able Mashamba, and Manjaiah Mallaiah. "Ice Jet Machining: A Sustainable Variant of Abrasive Water Jet Machining." In Sustainable Machining, 67–78. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51961-6_4.

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8

Momber, Andreas W., and Radovan Kovacevic. "Generation of Abrasive Water Jets." In Principles of Abrasive Water Jet Machining, 20–76. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1572-4_3.

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9

Jagadish and Kapil Gupta. "Introduction to Abrasive Water Jet Machining." In Abrasive Water Jet Machining of Engineering Materials, 1–11. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-36001-6_1.

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Momber, Andreas W., and Radovan Kovacevic. "Classification and Characterization of Abrasive Materials." In Principles of Abrasive Water Jet Machining, 5–19. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1572-4_2.

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Тези доповідей конференцій з теми "ABRASIVE JET MACHINING"

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Slătineanua, Laurenţiu, Margareta Coteaţă, Nicolae Pop, Irina Beşliu, and Vasile Braha. "Superficial Abrasive Jet Machining." In THE 14TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2011. AIP, 2011. http://dx.doi.org/10.1063/1.3589701.

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2

Kumar, S. Naga, P. Sasidhar, M. Rajyalakshmi, and K. I. Vishnu Vandana. "Experimental Investigation of Optimization of Machining Parameters in Abrasive Water Jet Machining." In 1st International Conference on Mechanical Engineering and Emerging Technologies. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/p-2ov163.

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Анотація:
Now a days, Non-Conventional Machining process is gaining more attention by the researchers. Abrasive Water jet machining (AWJM) is one of such machining process where material is removed with abrasive slurry as cutting tool. The present work discuss about the development of an optimal solution for minimizing surface roughness using a response surface methodology (RSM) while machining of EN grade steel. The machining parameters considered for the study are Abrasive Grain Size (AGS) and Hydraulic Pressure (HP) and Stand Off Distance (SOD) and the Abrasive Flow Rate (AFR). The response parameter is surface roughness (Ra). The experiments are performed based on the Box-Behnken design. Additionally, the significance of the developed optimization design has been identified using analysis of variance (ANOVA). Finally, the validity and adequacy of the developed model are done through confirmation tests. Key Words: Abrasive Water jet Machining, Response Surface Methodology, Optimization, ANOVA
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Pasken, Greg, Jianfeng Ma, Muhammad P. Jahan, and Shuting Lei. "Numerical Simulation of Pure Water Jet Machining of Al 6061-T6 With Experimental Validation." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2712.

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Анотація:
Abstract Pure water jets are not as effective as abrasive water jets for cutting hard materials at large scales. Pure water jets can have kerfs as small as 0.076 mm, which is approximately the width of a human hair. This allows for small detailed cuts on workpiece material [1]. Research into using pure water jet to machine aluminum at small scales is important, as this will allow small scale and precision machining of the work piece material. At micro scales, water jet cutting with typical abrasives is not possible because the abrasive particles are typically in the micron range which is around the size of the cut. At small scales a pure water jet is more effective than abrasive water jet machining, as special nanometer size abrasives would be needed at small scales. A pure water jet only needs the correct size orifice to conduct machining at the small scale. These are the reasons why this study uses a pure water jet to conduct small scale machining of aluminum. This study investigates the use of ABAQUS’s Smoothed Particle Hydrodynamics to simulate pure water jet machining of metals and compares the simulation results of a water jet machining of Al6061-T6 to experimental results using the same material. The simulation results compare favorably to experimental results with only 2.81% error in the width of the cut. The predictive FEM modeling is then conducted for other combinations of machining parameters (orifice diameter and inlet pressure). It is found that orifice diameter and inlet pressure have substantial influence on the width and depth of cut. The results of the study open new possibilities for machining metals using a pure water jet at the micrometer scale and at smaller scales.
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SAKUYAMA, T., T. KURIYAGAWA, K. SYOJI, and H. ONODERA. "DEVELOPMENT OF A NEW ABRASIVE JET MACHINING DEVICE." In Proceedings of the Third International Conference on Abrasive Technology (ABTEC '99). WORLD SCIENTIFIC, 1999. http://dx.doi.org/10.1142/9789812817822_0041.

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Paul, Lijo, and J. Babu. "Grey Relation Approach in Abrasive Jet Machining Process." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2852.

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Abstract Micro machining of conducting and non-conducting materials with high accuracy has great demand in industries especially in machining of ceramic, brittle materials. Abrasive Jet Machining (AJM) has shown tremendous application especially in machining of hard and brittle materials. In the present paper drilling of soda lime glass has been carried out to determine the machinability under different controlling parameters. A set of L9 series experiments were carried out by varying process parameters such as Stand Off Distance (SOD), Silicon carbide abrasive particles mesh sizes and jet pressure. Material Removal Rate (MRR) and Radial Over Cut (ROC), were taken as the output responses and are optimised with multi objective optimisation.
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Baumler, Mark. "Abrasive Water Jet Cutting of Mirror Cores." In Optical Fabrication and Testing. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oft.1992.thc4.

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Eastman Kodak has combined an Abrasive Water Jet (AWJ) and a three axis robot to provide the capability to cut lightweight mirror cores. An overview of the AWJ process will be given and mirror core design flexibility resulting from this process will be shown. This process can be used for high accuracy machining of mirror cores or lower accuracy - lower cost cores. Insights into machining these types of cores will be discussed and results will be presented.
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Ashrafi, Nariman. "Viscoelastic Abrasive Waterjet." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63051.

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Effect of addition of viscoelastic additive on the stability and precision enhancement of the abrasive waterjet is studied. Cornstarch is chosen to be added to the mixture of water and abrasive for it is readily available in large quantities at low cost. Yet it shows major nonlinear properties valuable for waterjet machining. It is shown that the normal stresses developed in the nonlinear viscoelastic cornstarch remains substantially unchanged throughout effective jet length resulting in an almost completely prismatic jet, most desirable for precision and straight machining. Furthermore, the jet becomes more stable upon increasing the cornstarch percentage. The additive also causes the jet to produce less friction with the surrounding air avoiding possible jet disintegration. Clearly, due to the increase of elastic as well as viscous effects, there is restriction to the pump delivery upon adding the dilatant cornstarch. Different percentages of the additive are therefore examined. It is found that, a 22% additive results in the best performance based on the precision, available pump power and stability of the jet. The experiment was carried out on three products; marble, aluminum and glass. In all cases, kerf angle was reduced significantly. Simulation of the problem is in good agreement with the experimental observations.
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Kalpana, K., O. V. Mythreyi, and M. Kanthababu. "Review on condition monitoring of Abrasive Water Jet Machining system." In 2015 International Conference on Robotics, Automation, Control and Embedded Systems (RACE). IEEE, 2015. http://dx.doi.org/10.1109/race.2015.7097254.

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Zhang, FengLian. "Study on improving the efficiency of abrasive water jet machining." In 2021 IEEE International Conference on Electrical Engineering and Mechatronics Technology (ICEEMT). IEEE, 2021. http://dx.doi.org/10.1109/iceemt52412.2021.9601589.

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Patel, Divyansh, and Puneet Tandon. "Optimization of Kerf Surface and Material Removal Rate Using Abrasive Water-Slurry Jet Machining Setup." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64245.

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Анотація:
This work presents a description of abrasive water-slurry jet machining (AWSJM) to improve machining capabilities of conventional abrasive water jet machine. The present work proposes a new approach of AWSJM by equipping the conventional abrasive water jet machine (AWJM) with a programmable servomotor controlled abrasive flow control valve and fabricating a setup for injecting polymer solution into the abrasive water jet nozzle, which improves the performance of abrasive jet. Three types of concentrations are prepared to perform the experiments at different values of pressure, abrasive flow rate and abrasive size. The present work identifies the optimal range of process parameters for AWSJM, with natural gelatin as binder, with the response parameters being material removal rate and kerf width. Gelatin produces a coherent, 4-phase beam which leads to efficient energy transfer, improved cutting efficiency, increased material removal rate, reduced kerf width, reduced diversification of jet and better control of abrasive flow rate. The investigation shows that materials removal rate (MRR) tends to increase for approximate 20% (by weight) concentration of polymer in AWSJM. If the polymer is mixed in lower quantities, the MRR is almost equal or less than the MRR for AWJM.
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