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. Figure 2 demonstrates the factors influencing awj machining process. 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 waterjet machining simulation by sph method. Abrasive water jet machining awjm is becoming more widely used. Air, nitrogen and carbon dioxide to propel the abrasive particles. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Introduction and abrasive jet machining notes, mechanical engineeirng, semester notes edurev is made by best teachers of. The aim of this research work is to make holes on carbon fiber reinforced polymer composite material using a newly. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. 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. The present study aims to optimize the abrasive water jet machining parameters while machining aluminiumtungsten carbide composites. Ajm has become a useful technique for micro machining.
Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. This paper is based on the study of parameters used in the abrasive water jet cutting. 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 jet machining ajm is a nontraditional machining process that can machine material without generating heat and. 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. Abrasive jet machining process, parameters, equipment, mrr. Influence of nozzle design and process parameters on. Schematic of abrasive jet machining 2 satyanarayana et al. Abrasivejet machining ajm modern machining process. Abrasive jet machining basic terms and working duration.
Pdf abrasive jet machining ajm also known as abrasive microblasting or pencil blasting is an. Amara nageswararao, nimra college of engineering technology, andhra pradesh, india. It will be a benefit to understand the abrasive waterjet cutting. 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. This paper deals with various experiment that were conducted to assess the influence of abrasive jet machining process parameters. Abstractcarbon fiber reinforced polymer composites find extensive applications in the areas of automotive, aircraft and aerospace, medical sciences, and electronics. Abrasive water jet machining of fiberreinforced composite materials. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar reportpdfppt download.
Ramakrishnan mechanical engineering department, indian institute of technology, powai, bombay400 076, india received august, 1991. Gas may be supplied either from a compressor or a cylinder. Copy of copy of analysis of surface roughness in abrasive. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets. International journal of design and manufacturing technology ijdmt, issn 0976 6995print, issn 0976 7002online volume 4, issue 1, january. Department of automobile engineering, karpagam university, coimbatore641021. Investigation of machining parameters in abrasive jet. Sidda reddy, parametric optimization of abrasive water jet machining using taguchi approach, universal journal of mechanical engineering 25, pp.
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. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. Abrasive jet micro machining ajmm is a relatively new approach to the fabrication. The traverse speed determines the duration of surface exposure of the abrasive particles in impinging on the materials surface. 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. Water jet machining wjm is a mechanical energy based nontraditional machining process used to cut and machine soft and nonmetallic materials it involves the use of high velocity water jet to smoothly cut a soft workpiece. 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 the process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. The variables that influence the rate of metal removal and accuracy of machining in this process is. Abrasive jet machining slides the best slides in least cost. 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. 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.
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 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. The relationship between the depth of penetration and jet parameters, including water pressure and traverse speed, etc. Getting the most out of your abrasive tools internet archive. Abrasive jet machining on aluminum material youtube. Abrasive jet machining free download as powerpoint presentation. Experiments were conducted based on taguchis l 27 orthogonal arrays and the process parameters were.
Awjm abrasive water jet machiningawjm working principle. Ajm is mainly used to machine hard raw material, produce complex shape. Optimization of abrasive water jet machine process parameters for al 6351 using taguchi method, ijaerd, issn. Ajm is considered as a mechanical energy based nontraditional machining process that utilizes a jet of gas abrasive mixture for removing material. 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 machining abrasive free 30day. Abrasive jet machining effect of exit gas velocity and abrasive particle density.
An investigation of abrasive water jet machining on graphite. 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. Performance analysis of process parameters on machining. Input parameters like jet pressure, abrasive mixing rate, cutting feed, and. The abrasive water jet machining process is characterized by large number of process parameters that determine efficiency, economy and quality of the whole process. Waterjet cutting seminar report, ppt, pdf for mechanical. 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. In this study, the influence of abrasive water jet machining awjm. Water jet and abrasive water jet machining are material removal processes. Abrasive water jet machining awjm working principle elements of awjm system parametric analysis of awjm visualization and. Fabrication of high aspect ratio freestanding structures using abrasive water jet micromachining. Since the process is non thermal, nonchemical and nonelectrical it creates no. Article information, pdf download for abrasive water jet machining of.
Ajm is considered as a mechanical energy based nontraditional machining process that utilizes a jet of gasabrasive mixture for removing material. Abrasive waterjet machining awjm is a nonconventional process. Parametric optimization of abrasive water jet machining of. Pdf process parameters of abrasive jet machining researchgate. It can be used to machine titanium alloy with complex shape for enhancing the machinability. In this paper, the optimization of process parameters of two conventional and four advanced machining processes is investigated. Investigation of machining parameters in abrasive jet machining on ti6al4v using gra and pca d.
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, 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. 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 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. In abrasive jet machining ajm, a focused stream of fine abrasive. 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. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. Mahaboob johny4 1pg student,nimra college of engineering technology, andhra pradesh, india 2asst. Lim received 12 january 1988 abstractabrasive jet machining ajm is a process that removes material by directing a high velocity stream of. 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.
Effect of process parameter on the kerf geometry in abrasive water jet. Abrasives gas propulsion system supplies clean and dry air. Fabrication of high aspect ratio freestanding structures using. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process. Studies on recharging of abrasives in abrasive water jet. Experimental investigations are carried out to know the effect of abrasive water jet process parameters on machining mg alloys and mg nanocomposites.
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. Abrasive jet machining effect of mixing ratio on material removal ratemrr. Jan 29, 2010 abrasive waterjet machining awjm is a nonconventional process. Abrasive jet machining hindi,diagram,working and process. In this process chips are not formed like conventional machining processes e. An empirical study of parameters in abrasive jet machining. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Its industrial use depends on its cost effectiveness. 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. Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock. Experimental investigation of the effect of process parameters on the machining performance. Issn 2348 7968 experimental analysis of glass on abrasive.
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. It has been applied to rough working such as deburring and rough finishing, machining of ceramics and electronic devices. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. This document is highly rated by students and has been viewed 450 times. An abrasive is small, hard particle having sharp edges and an irregular shape. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Abrasive jet machining on aluminum material engineering world. Water jet machining wjm and abrasive water jet machining awjm are two non traditional or. Jan 07, 2012 presentation of abrasive jet machining 1. Seminar abrasive jet machining full report download. Deva kumar, fiber glass cutting by using abrasive jet machining and analysis of process parameters, ijctt,issn.
Get your kindle here, or download a free kindle reading app. 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. View notes awjm from me 688 at haldia institute of technology. High velocity jet is aimed at a surface under controller condition. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. Specifically it is used to cut intricate shapes or form specific edge. Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Abrasive water jet machining parameters such as water pressure, standoff distance and traverse speed, were considered in the present study.
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