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