Abrasive jet machining in ajm, generally, the abrasive particles of around 50. 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. In this paper an experimental study of drilling small and deep holes with a continuous abrasive water jet is presented. Abrasive jet machining hindi,diagram,working and process. Gas may be supplied either from a compressor or a cylinder. Lim received 12 january 1988 abstractabrasive jet machining ajm is a process that removes material by directing a high velocity stream of.
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. The abrasive water jet machining process is characterized by large number of process parameters that determine efficiency, economy and quality of the whole process. 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. A study of effect of various process parameters on abrasive. Abrasives gas propulsion system supplies clean and dry air. Click on the file icon or file name to start downloading tags for this thread abrasive, engineering forum, faadooengineers, jet, machining, project, report. Aug 09, 2017 abrasive jet machining basic terms and working duration. The optimal values of process parameters, verified through confirmation tests, improve cutting quality. It has been applied to rough working such as deburring and rough finishing, machining of ceramics and electronic devices.
Abrasive jet machining process variables and current. 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. The gasses used in ajm are co 2, n 2 or dry air at 2 to 10bar. 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. Waterjet cutting seminar report, ppt, pdf for mechanical. Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of. Its industrial use depends on its cost effectiveness. Mahaboob johny4 1pg student,nimra college of engineering technology, andhra pradesh, india 2asst. In the present work, the optimization of the abrasive water jet machining. Abrasive jet machining and study of process parameters.
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. Department of automobile engineering, karpagam university, coimbatore641021. 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. An empirical study of parameters in abrasive jet machining. Investigation of machining parameters in abrasive jet. Abrasive water jet machining awjm working principle elements of awjm system parametric analysis of awjm visualization and. Abrasive waterjet machining of ticfrpti laminate and multi. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining free download as powerpoint presentation. 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. Drilling of glass sheets was conducted by setting the test rig as shown in fig. Amara nageswararao, nimra college of engineering technology, andhra pradesh, india.
Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. Sidda reddy, parametric optimization of abrasive water jet machining using taguchi approach, universal journal of mechanical engineering 25, pp. Abrasive jet machining effect of process parameters on mrr 30. Pdf characterization and optimization of abrasive water jet. Since the process is non thermal, nonchemical and nonelectrical it creates no. 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. Ajm debarring has the advantage over manual debarring method that generates edge radius automatically. Abrasive water jet machining is an unconventional machining process well known for machining hard to cut materials. 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. Abrasive jet machine introduction abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and shock. Characterization and optimization of abrasive water jet machining parameters of aluminium tungsten carbide composites. 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.
Effect of abrasive jet process parameters on machining glass fibre. This increases the quality of the debarred components. Issn 2348 7968 experimental analysis of glass on abrasive. Common uses include cutting heatsensitive, brittle, thin, or. 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. Water jet machining wjm and abrasive water jet machining awjm are. Abrasive jet machining mechanical engineering students. 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.
Figure 2 demonstrates the factors influencing awj machining process. 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. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. Abrasivejet machining ajm modern machining process. In this study, the influence of abrasive water jet machining awjm parameters such as water pressure, standoff distance, and traverse speed.
Abrasive jet machining on aluminum material youtube. The abrasive water jet awj is a process that can be used for drilling a. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation. Abrasive jet machining effect of mixing ratio on material removal ratemrr. The paper presents an experimentalbased study of abrasive jet machining ajm considering the effect of changing process parameters. 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,1 is an abrasive blasting machining process that uses abrasives propelled by. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. This paper is based on the study of parameters used in the abrasive water jet cutting. Fine abrasive water jet machining of piezoelectric ceramics. 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.
They are quick to set up, and offer quick turnaround on the machine. Abrasive jet machining ajm is a processing nontraditional machine which operates materials without producing shock and heat. The cutting ability of water jet machining can be improved drastically by adding hard and. 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. 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. 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.
An investigation of abrasive water jet machining on graphite. In this study, the influence of abrasive water jet machining awjm. Andreas and kovacevic 8 examined the properties and structures of fast jets. 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. Ajm is applied for many purposes like drilling, cutting, cleaning, and etching operation. They complement existing tools used for either primary or secondary operations and could. The influence of abrasive jet debarring process parameters is not known clearly. 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. In recent years abrasive jet machining has been gaining increasing acceptability for debarring applications. Effect of process parameter in abrasive water jet cutting. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Air, nitrogen and carbon dioxide to propel the abrasive particles. Abrasive jet machining process, parameters, equipment, mrr. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces.
The parameters such as hydraulic pressure, traverse speed, abrasive mass flow rate, standoff. Lim received 12 january 1988 abstract abrasive jet machining ajm is a process that removes material by directing a high velocity stream of. Studies on recharging of abrasives in abrasive water jet. The variables that influence the rate of metal removal and accuracy of machining in this process is. Abrasive jet machine ajm is processing nontraditional machine which performs an operation with the help of a highspeed stream of abrasive particles. 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 jet machining basic terms and working duration. 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. 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.
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. Influence of nozzle design and process parameters on. 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. Pdf role of process parameters on pocket milling with abrasive. Abrasive jet machining process, detail abrasive jet machining specifications, abrasive jet machining description, abrasive jet machining applications, features. 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 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. 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. Copy of copy of analysis of surface roughness in abrasive. Article information, pdf download for abrasive waterjet machining of.
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. Abrasive water jet machining awjm is becoming more widely used. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets. The effect of varying abrasive waterjet machining parameters on cut. Deva kumar, fiber glass cutting by using abrasive jet machining and analysis of process parameters, ijctt,issn. Abrasive jet machining effect of exit gas velocity and abrasive particle density. In this paper, the optimization of process parameters of two conventional and four advanced machining processes is investigated. Awjm process parameters with multiple performance characteristics based on. Abrasive jet machining ajm is the process of material removal. 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. Abrasive jet machining ajm working principle and process. Jan 27, 2014 abrasive jet machining effect of process parameters on mrr 30.
Abstractabrasive jet machining consists of working of the abrasive jet machine ajm. Abstract abrasive jet machining consists of working of the abrasive jet machine ajm. 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. Optimization of abrasive water jet machine process parameters for al 6351 using taguchi method, ijaerd, issn. 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. View notes awjm from me 688 at haldia institute of technology. 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. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. The particles of the materials get accelerate in gas stream and are made to focus on machine. 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 process parameters of abrasive jet machining researchgate.
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