Metal removal and kerf analysis in abrasive jet drilling of. Ajm debarring has the advantage over manual debarring method that generates edge radius automatically. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar report pdf ppt download. Jun 24, 2018 abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and micro abrasive blasting,1 is an abrasive blasting machining process that uses abrasives propelled by a.
Article information, pdf download for abrasive waterjet machining of. Investigation of machining parameters in abrasive jet. The optimal values of process parameters, verified through confirmation tests, improve cutting quality. Abrasive jet machining free download as powerpoint presentation. Introduction in abrasive jet machining, a focused stream of abrasive particles, carried by high pressure air or gas is made to impinge on the work surface through a nozzle and work material is removed by erosion by highvelocity abrasive particles. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Abrasive jet machining introduction abrasive water jet machine tools are suddenly being a hit in the market since they are quick to program and could make money on short runs. Abrasive particles of around 50 m grit size would impinge on the work material at. Water jet machining wjm and abrasive water jet machining awjm are. In abrasive jet machining ajm, a focused stream of fine abrasive particles carried by.
Abrasive jet machining on aluminum material youtube. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. Abrasive jet machining mechanical engineering students. Abrasive jet machining ajm working principle and process. Ajm has become a useful technique for micro machining. Schematic of abrasive jet machining 2 satyanarayana et al. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Increased mass flow rate of abrasive will result in a decreased velocity of fluid and there by decreases the available energy for erosion and ultimately the mrr. Abrasive water jet machining awjm is becoming more widely used. The water pump pressurizes the water and pumps it from a water tank or other water supply to the nozzle. Parametric optimization of abrasive water jet machining of. Also explore the seminar topics paper on waterjet cutting with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. Investigation of machining parameters in abrasive jet machining on ti6al4v using gra and pca d.
The figure shown is the above abrasive jet machining. Effect of process parameter in abrasive water jet cutting. Explanations are given as the book follows the development of an abrasive water jet machining process, from tool generation through to machining results, supervision and control. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. Studies on recharging of abrasives in abrasive water jet. Abrasive water jet machining awjm process has potential to cut a wide range of materials. Abrasive water jet machining awjm technology is one of the fastest growing nontraditional machining processes. Review on abrasive jet machining saiprasad sutar a, k. Abrasive jet machining hindi,diagram,working and process. The jet of abrasive particles is carried by carrier gas or air. A precision waterjet with a taper compensating head will machine 14 thick carbon fiber as fast as 180 inchesminute at 60,000 psi with taper of less than 0. Abrasive water jet cutting of borosilicate glass core. Contribution of these parameters on responses was determined by. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut.
Abrasive water jet machining is a stateofthe art technology which enables. Specifically it is used to cut intricate shapes or form specific edge. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. A a khan 16, studies the different types of abrasives are used in abrasive waterjet machining like garnet, aluminium oxide, sic for analysis of performance in water jet machining on glass after experiment they shows the effect of different parameters on. Deva kumar, fiber glass cutting by using abrasive jet machining and analysis of process parameters, ijctt,issn. Performance analysis of process parameters on machining titanium. Department of automobile engineering, karpagam university, coimbatore641021. Abrasive water jet cutting machine starts with a water pump. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining effect of mixing ratio on material removal ratemrr. Figure 2 demonstrates the factors influencing awj machining process. Algorithm specific parameters such as population size i. Cons are limited nozzle life, not suitable for ductile materials, abrasives are not reusable.
Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. However, there is a rapid movement away from this technology for abrasive jet systems, particularly those for shortrun and limitedproduction machine shop applications. In this study, the influence of abrasive water jet machining awjm. This paper deals with various experiment that were conducted to assess the influence of abrasive jet machining process parameters on material removal rate using. The machining experiments are conducted to analyse the effects of the predominant machining parameters, i. Parametric studies on abrasive jet machining assoc. An abrasive is small, hard particle having sharp edges and an irregular shape. Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of. Abrasive jet machining ajm, also known as microabrasive blasting, is a mechanical energy based unconventional machining process used to remove unwanted material from a given workpiece the process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. In recent years abrasive jet machining has been gaining increasing acceptability for debarring applications. Abrasivejet machining ajm modern machining process. Advantages and disadvantages of ajm are given here. Abrasive water jet machining is a very efficient machining process which overcomes tool wear issues and cutting temperature issues. This paper give u perfect knowledge about the abrasive jet machining.
Abrasive water jet machining if there is an abrasive added it is normally added at the nozzle which has shown in below figure. The filtered gas at a pressure of 2 to 8 kgfcm 2 is supplied to the mixing chamber containing the abrasive powder and. Since the process is non thermal, nonchemical and nonelectrical it creates no. Pdf abrasive jet machining ajm also known as abrasive microblasting or pencil blasting is an abrasive blasting.
Waterjet cutting seminar report, ppt, pdf for mechanical. Advantages and limitations of abrasive jet machining ajm. Gas may be supplied either from a compressor or a cylinder. Awjm abrasive water jet machiningawjm working principle. In the present research work, the effect of abrasive water jet awj machining parameters such as jet operating pressure, feed rate, standoff distance sod, and concentration of abrasive on kerf width produced on graphite filled glass fiber reinforced epoxy composite is investigated. Abrasive water jet parameters significanly affect the quality of the machined. Pdf download for a study on kerf characteristics of hybrid aluminium 7075. Ajm has smaller diameter abrasives and a more finely controlled delivery system. View notes awjm from me 688 at haldia institute of technology.
Historically, water jet and abrasive jet cutting tables have used traditional cnc control systems employing the familiar machine tool gcode. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials. The abrasive water jet machining process is characterized by large number of process parameters that determine efficiency, economy and quality of the whole process. The process parameters are used like variables which effect metal removal. Abrasive jet machine ajm is processing nontraditional machine which performs an operation with the help of a highspeed stream of abrasive particles. Abrasive jet machining ajm by nishtha chouksey 0201ip121045 introduction abrasive jet machining is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Multiobjective optimization of parameters in abrasive water jet. Sidda reddy, parametric optimization of abrasive water jet machining using taguchi approach, universal journal of mechanical engineering 25, pp. Lim received 12 january 1988 abstractabrasive jet machining ajm is a process that removes material by directing a high velocity stream of. Venkatesh, national university of singaporelsingapore051 1 thouph ultrasonic machininp is a faster process, abrasive jet machining ajm is ideal for delicate machining and has applications in the electronic industry.
Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and micro abrasive blasting, is an abrasive blasting machining process that uses abrasives propelled by a high velocity gas to erode material from the workpiece. In abrasive jet machining ajm, abrasive particles are made to impinge on the work material at a high velocity. This machining process is mostly suitable for material removal where the material is not removed by any simple traditional machining process or laser or thermal process. Pdf process parameters of abrasive jet machining researchgate. Performance analysis of process parameters on machining titanium ti6al4v alloy using abrasive water jet machining process author links open overlay. Abstract abrasive jet machining consists of working of the abrasive jet machine ajm. Issn 2348 7968 experimental analysis of glass on abrasive. The purpose of this study was to optimize and determine the most important abrasive water jet turning awjt operational parameters, such as nozzle diameter 0. High velocity impact of an abrasive particle causes a tiny brittle fracture on the work surface and the flowing gases carries away the dislodged small workpiece particle. Abrasive jet machining ajm is the process of material removal from a work piece by the application of a highspeed stream of abrasive particles carried in a gas or air medium from a nozzle. Applications of abrasive jet machining ajm process abrasive jet machining ajm is one of the modern machining processes where high velocity jet of abrasives mixed with dehumidified pressurized gas is made to impinge the work surface, which in turn removes material by mechanical erosion. Aug 09, 2017 the complete monotub tek cultivation walkthrough the easiest way to grow mushrooms indoors. Ppt abrasive waterjet cutting powerpoint presentation.
Pdf a study of effect of process parameters of abrasive jet. An investigation of abrasive water jet machining on. Air, nitrogen and carbon dioxide to propel the abrasive particles. What is the general formula for mrr in abrassive jet. The effect of varying abrasive waterjet machining parameters on cut. Andreas and kovacevic 8 examined the properties and structures of fast jets. Abrasive jet machining ajm also known as abrasive microblasting or pencil blasting is an abrasive blasting machining process that uses abrasives propelled by high velocity gas to erode material from the work piece. In the present research work, the effect of abrasive water jet awj machining parameters such as jet operating pressure, feed rate, standoff. Amara nageswararao, nimra college of engineering technology, andhra pradesh, india. Parametric studies on abrasive jet machining sciencedirect. In this paper, the optimization of process parameters of two conventional and four advanced machining processes is investigated. International journal of design and manufacturing technology ijdmt, issn 0976 6995print, issn 0976 7002online volume 4, issue 1, january. Seminar abrasive jet machining full report download. Its industrial use depends on its cost effectiveness.
The high velocity stream of abrasive is generated by converting the pressure energy of the carrier gas or air to its kinetic energy and hence high velocity jet. Abrasive water jet machining awjm working principle elements of awjm system parametric analysis of awjm visualization and. Mahaboob johny4 1pg student,nimra college of engineering technology, andhra pradesh, india 2asst. In abrasive jet machining varies process parameter such as abrasive, gas, nozzle and velocity of fluid are usual. Experiments were conducted based on taguchis l 27 orthogonal arrays and the process parameters were. Productsservices for abrasive jet machining pdf abrasive jet and waterjet cutting machines 100 companies abrasive jet and waterjet cutting machines are used to cut sheet materials or remove materials from a surface by generating a focused stream of fluid mixed with abrasive particles. High velocity jet is aimed at a surface under controller condition. Abrasive jet machine introduction abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and shock abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation. In this machining varies abrasive are aluminium oxides and silicon carbide. Lim received 12 january 1988 abstract abrasive jet machining ajm is a process that removes material by directing a high velocity stream of. Abrasive jet machining process, parameters, equipment, mrr. A machinability study of mild steel using abrasive water. It consists of a mixing chamber, gas filter, pressure gauge, regulator, and the nozzle.
Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and microabrasive blasting, is an abrasive blasting machining process that uses abrasives propelled by a high velocity gas to erode material from the workpiece. They are quick to set up, and offer quick turnaround on the. Kuppan introduction in abrasive jet machining ajm a focused stream of abrasive grains of al2o3 or sic carried by highpressure gas or air at a high velocity is made to impinge on the work surface. Abrasive jet machining ajm, also known as micro abrasive blasting, is a mechanical energy based unconventional machining process used to remove unwanted material from a given workpiece. This paper is based on the study of parameters used in the abrasive water jet cutting. An empirical study of parameters in abrasive jet machining.
A study on kerf characteristics of hybrid aluminium 7075 metal matrix. Abrasives gas propulsion system supplies clean and dry air. The gasses used in ajm are co 2, n 2 or dry air at 2 to 10bar. The cutting ability of water jet machining can be improved drastically by adding hard and. Introduction and previous work abrasive machining is a machining process where material is removed from a work piece using a multitude of small abrasive particles.
Optimization of abrasive water jet machining process parameters using taguchi grey relational analysis tgra 83 conclude that the performance characteristics of the awjm process namely hydraulic pressure, abrasive mass flow rate, standoff distance and traverse rate are improved together by using gra. Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of the recent nontraditional methods that have been used. Abrasive waterjet machining of ticfrpti laminate and multi. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. Effect of abrasive waterjet machining parameters on hybrid aa6061. Process parameters in ajm the abrasive particles used in ajm are aluminium oxide al 2 o 3, silicon carbide sic, glass bead of 1050 for machining, sodium bicarbonate for polishing work. Numerous scientists have been completed on various parameters of awjm fecaier et al 6 and ohlsson and magnusson 7 examined the power parameters required during awj machining.
Optimization of abrasive water jet machine process parameters for al 6351 using taguchi method, ijaerd, issn. The traverse speed determines the duration of surface exposure of the abrasive particles in impinging on the materials surface. In this paper optimization of process parameters of abrasive jet machining of glass by taguchi methodology is presented. This methodical journey through the field is marked by drawings, graphs and tables, many of. A a khan 16, studies the different types of abrasives are used in abrasive water jet machining like garnet, aluminium oxide, sic for analysis of performance in water jet machining on glass after experiment they shows the effect of different parameters on. Abrasive water jet machining parameters such as water pressure, standoff distance and traverse speed, were considered in the present study. An investigation of abrasive water jet machining on graphiteglass. Global waterjet machine market 20152019 waterjet machines provide an efficient method of producing intricate components of machines with relative ease and precision.
The followings are some of the important parameters of abrasive jet machining which directly or indirectly affect the material removal rate mrr during the process. The variables that influence the rate of metal removal and accuracy of machining in this process is. This increases the quality of the debarred components. Improving the quality characteristics of abrasive water jet machining. Abrasive jet machine introduction abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and shock. The influence of abrasive jet debarring process parameters is not known clearly.
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