Fine abrasive water jet machining of piezoelectric ceramics. Abrasive jet machining free download as powerpoint presentation. The nozzle jet was made of tool steel to carry high wear resistance. Effect of abrasive jet process parameters on machining glass fibre. Deva kumar, fiber glass cutting by using abrasive jet machining and analysis of process parameters, ijctt,issn. The influence of abrasive jet debarring process parameters is not known clearly. Drilling of glass sheets was conducted by setting the test rig as shown in fig. Abrasive water jet machining awjm is becoming more widely used. They complement existing tools used for either primary or secondary operations and could. In this study, the influence of abrasive water jet machining awjm. The paper presents an experimentalbased study of abrasive jet machining ajm considering the effect of changing process parameters. Copy of copy of analysis of surface roughness in abrasive. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density.
In abrasivejet machining ajm material is removed by the impact of a high velocity stream of gases and abrasive mixture focused on to the workpiece. In the present work, the optimization of the abrasive water jet machining. Abrasive jet machining effect of exit gas velocity and abrasive particle density. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. 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. Abrasive jet machining basic terms and working duration. Aug 09, 2017 abrasive jet machining basic terms and working duration. Department of automobile engineering, karpagam university, coimbatore641021. 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. 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. In this study, the influence of abrasive water jet machining awjm parameters such as water pressure, standoff distance, and traverse speed. 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.
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. It has been applied to rough working such as deburring and rough finishing, machining of ceramics and electronic devices. Abstract an experimental and theoretical research work on abrasive jet machining of glass fiber reinforced polymer composite materials was. 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 water jet machining is an unconventional machining process well known for machining hard to cut materials. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Abrasive jet machining ajm working principle and process. The abrasive water jet machining process is characterized by large number of process parameters that determine efficiency, economy and quality of the whole process. Water jet machining wjm and abrasive water jet machining awjm are. 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 jet machining effect of mixing ratio on material removal ratemrr. Abrasive jet machine introduction abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and shock.
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. 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. In general, the overall cost of an awjm system still remains high compared to that of traditional machining techniques, despite a move by the industry to reduce the equipment cost and increase the system reliability. Abrasive jet machining process variables and current. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining process, parameters, equipment, mrr abrasive jet machining ajm is one of the advanced machining processes mechanical energy based where a high velocity jet of abrasives is utilized to remove material from work surface by impact erosion. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. This increases the quality of the debarred components. Investigation of machining parameters in abrasive jet machining on ti6al4v using gra and pca d.
Surface roughness ra was calculated across the depth of the machined hole. This paper is based on the study of parameters used in the abrasive water jet cutting. Awjm process parameters with multiple performance characteristics based on. Abrasive jet machining in ajm, generally, the abrasive particles of around 50. Mahaboob johny4 1pg student,nimra college of engineering technology, andhra pradesh, india 2asst. Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and microabrasive blasting,1 is an abrasive blasting machining process that uses abrasives propelled by. The abrasive water jet awj is a process that can be used for drilling a. To enhance the cutting capability of awj, abrasive water suspension jet awsj is developed in which the machining is achieved by high velocity suspension jet of polymerized water and abrasives.
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. Abrasive jet machining and study of process parameters. Apr 06, 2016 in abrasive jet machining ajm material is removed by the impact of a high velocity stream of gases and abrasive mixture focused on to the workpiece. 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.
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. Abrasive jet machining ajm is the process of material removal. 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. Amara nageswararao, nimra college of engineering technology, andhra pradesh, india. The optimal values of process parameters, verified through confirmation tests, improve cutting quality. Abrasive jet machining process, parameters, equipment, mrr. Its industrial use depends on its cost effectiveness. Influence of nozzle design and process parameters on. Click on the file icon or file name to start downloading tags for this thread abrasive, engineering forum, faadooengineers, jet, machining, project, report. Abrasive jet machining ajm is a processing nontraditional machine which operates materials without producing shock and heat. Abrasivejet machining ajm modern machining process. Article information, pdf download for abrasive waterjet machining of.
Pdf process parameters of abrasive jet machining researchgate. In recent years abrasive jet machining has been gaining increasing acceptability for debarring applications. 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. Since the process is non thermal, nonchemical and nonelectrical it creates no. Abrasive jet machining on aluminum material youtube. 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. Sidda reddy, parametric optimization of abrasive water jet machining using taguchi approach, universal journal of mechanical engineering 25, pp. Abstract abrasive jet machining consists of working of the abrasive jet machine ajm. Lim received 12 january 1988 abstractabrasive jet machining ajm is a process that removes material by directing a high velocity stream of.
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. Studies on recharging of abrasives in abrasive water jet. Jan 27, 2014 abrasive jet machining effect of process parameters on mrr 30. Waterjet cutting seminar report, ppt, pdf for mechanical. Figure 2 demonstrates the factors influencing awj machining process. In this paper, the optimization of process parameters of two conventional and four advanced machining processes is investigated. Lim received 12 january 1988 abstract abrasive jet machining ajm is a process that removes material by directing a high velocity stream of.
Abstractabrasive jet machining consists of working of the abrasive jet machine ajm. Effect of process parameter in abrasive water jet cutting. To develop a hybrid process of abrasive jet machining ajm and electrical discharge machining edm, the effects of the hybrid process parameters on machining performance were comprehensively. An empirical study of parameters in abrasive jet machining. Ajm is applied for many purposes like drilling, cutting, cleaning, and etching operation. Abrasive jet machining mechanical engineering students. Pdf fine abrasive water jet machining of piezoelectric. 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. Abrasive jet machining process, detail abrasive jet machining specifications, abrasive jet machining description, abrasive jet machining applications, features. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets.
Abrasive water jet machining awjm working principle elements of awjm system parametric analysis of awjm visualization and. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. The parameters such as hydraulic pressure, traverse speed, abrasive mass flow rate, standoff. A study of effect of various process parameters on abrasive. Ice jet machining is an important sustainable variant of abrasive water jet machining which ensures the environmentallyfriendly cutting, finishing, cleaning, and deburring of a variety of materials. View notes awjm from me 688 at haldia institute of technology. The particles of the materials get accelerate in gas stream and are made to focus on machine. The cutting ability of water jet machining can be improved drastically by adding hard and. They are quick to set up, and offer quick turnaround on the machine. 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.
Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. 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. The effect of varying abrasive waterjet machining parameters on cut. To derive the potential benefits of this technology in machining wide range of materials and to enhance the field of application, there is a need to.
Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of. Andreas and kovacevic 8 examined the properties and structures of fast jets. Abrasive jet machine ajm is processing nontraditional machine which performs an operation with the help of a highspeed stream of abrasive particles. Pdf characterization and optimization of abrasive water jet. Investigation of machining parameters in abrasive jet. Ajm debarring has the advantage over manual debarring method that generates edge radius automatically. Abrasive waterjet machining of ticfrpti laminate and multi. Issn 2348 7968 experimental analysis of glass on abrasive. 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.
Characterization and optimization of abrasive water jet machining parameters of aluminium tungsten carbide composites. Gas may be supplied either from a compressor or a cylinder. Abrasive water jet awj cutting is a green machining and processing technology that has found extensive applications for a long time because of its being cold, damage free and sensitive cutting. Icejet machining is an important sustainable variant of abrasive water jet machining which ensures the environmentallyfriendly cutting, finishing, cleaning, and deburring of a variety of materials. Air, nitrogen and carbon dioxide to propel the abrasive particles. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation. Optimization of abrasive water jet machine process parameters for al 6351 using taguchi method, ijaerd, issn. Abrasive jet machining effect of process parameters on mrr 30. 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. 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. Pdf role of process parameters on pocket milling with abrasive. An investigation of abrasive water jet machining on graphite.
The effect of air and abrasive mixture pressure p, standoff distance l, nozzle diameter d, and abrasive size s on surface roughness was carried out for two different nozzles. Common uses include cutting heatsensitive, brittle, thin, or. 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. 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 hindi,diagram,working and process. In this paper an experimental study of drilling small and deep holes with a continuous abrasive water jet is presented. The variables that influence the rate of metal removal and accuracy of machining in this process is. This paper assesses the influence of process parameters on surface roughness r a which is an important cutting performance measure in abrasive waterjet cutting of cast iron.
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