Patil2 1pg student, government college of engineering, aurangabad, maharas htra. Abrasive water jet cutting abrasive water jet is the cutting tool. The cutting action in awjm takes place due to the erosion action of high velocity abrasive particles along with the jet of water, respectively. In awjm process the workpiece material is removed by impact erosion of highvelocity jet of water. In the focusing, machining process variables such as water jet traverse speed, water jet pressure, standoff distance and abrasive flow rate have been investigated to study the effect of each on the pwj milling process. In the focusing, machining process variables such as water jet traverse speed, water jet pressure, standoff distance and abrasive flow rate have been investigated to study the effect of each on the pwj milling process parameters. Important process parameters which mainly affect the quality of cutting are traverse speed, hydraulic pressure, stand of distance, abrasive flow rate and types of abrasive. Pdf optimisation of abrasive water jet cutting process. Water jet machining an overview sciencedirect topics. In awjc, a large number of process parameters such as hydraulic parameters i.
Abrasive water jet machining provides some advantages over conventional and non. Introduction to water jet machining process advantages and. Factors affecting surface finish of abrasive water jet. Effects of process parameters on responses during machining ti6al4v alloy using abrasive water jet machining 1dhaval sangani,2 p. The abrasive jet is obtained by accelerating fine abrasive particles in highly mzchining gas carrier gas. This paper evaluates the various parameters of abrasive water jet machining awjm.
Introduction abrasive water jet awj cutting is a nontraditional. Figure 2 demonstrates the factors influencing awj machining process. Abstract abrasive waterjet cutting is one of the nontraditional. Pdf factors affecting surface finish of abrasive water.
Kinetic energy of the awj depends on the pressure level of water. Effect of process parameters on abrasive water jet plain milling. Process parameter optimization of cnc abrasive water jet. 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 in. Sunil pathak water jet machining wjm it is known that water can cut. It is the preferred method when the materials being cut are sensitive to the high temperatures. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. Abrasive water jet machining is that manner of machining process which is known as nontraditional type machining and belongs to mechanical group of nontraditional processes. Experimental investigation were conducted to assess the influence of abrasive water jet machining awjm process parameters on mrr of. Optimization of process parameters of abrasive water jet. However, it is a very slow, expensive process when compared to plasma on most metals. Effects of process parameters on responses during machining.
Experiments were conducted in varying water pressure, nozzle. Optimization of abrasive waterjet machining process. It is an extended version of water jet cutting in which the water jet contains abrasive particles. Pdf factors affecting surface finish of abrasive water jet. Experimental investigation and optimization of process. Application of modelling and optimization methods in abrasive water. Selection of process parameters in abrasive waterjet cutting.
It is used to circulate the water from the storage tank during the machining process. 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. Water jet cutting uses an ultrahigh pressure stream of water to carry an abrasive grit. Water jet cutting is often used during fabrication of machine parts. Inawjmachining,themixtureofabrasive and water is directed on the target material. Abrasive water jet machining awjm is a versatile machining process primarily used to machine hard and difficult to machine materials. Water jet and abrasive water jet machining wjm and awjm, 4. The process parameter that regulates the shape of the waterjet during cutting is water pressure. Keywords awjm, grey relational analysis, process parameters, sn ratio, and taguchi method. Hence, awj is considered as environmentally friendly machining process. This article deals with the investigation on optimization of process parameters of abrasive water jet machining of hybrid aluminium 7075 metal matrix composites with 5%, 10% and 15% of tic and b4c. In the focusing, machining process variables such as water jet traverse speed, water jet pressure, standoff distance and abrasive flow rate have been investigated. Water jet cutting function, methods and application examples.
There are so many process parameter affect quality of machined surface cut by awjm. May 20, 2017 the various parts of water jet machining are. The accuracy of cutting is hampered by tapering of hole due to unavoidable flaring of abrasive jet. A water jet cutter, also known as a water jet or water jet, is an industrial tool capable of cutting a wide variety of materials using a very highpressure jet of water, or a mixture of water and an abrasive substance. Process parameter optimization for abrasive water jet machining of. Effect of process parameters on abrasive water jet plain. In the abrasive water jet machine, the water is supplied at a very high pressure from 20,00060,000psi and provides the good cutting and surface finishing.
Literature survey surface roughness of carbides produced by abrasive water jet machine. It is an effective machining process for processing a variety of hard and. Abstract abrasive waterjet cutting is one of the nontraditional machining processes capable of cutting wide range of hardtocut materials. The parameters of machining process such as water pressure, standoff distance and transverse speed were considered on the machining process. Student production mechanical, ldrpitr, gujarat, india 2lecturer, mechanical engineering, ldrpitr, gujarat, india abstract abrasive water jet machining awjm is the nontraditional material removal process. Selection of abrasives depends on mrr, type of work material, machining accuracy. As in the case of every machining process, the quality of awjc process is significantly affected by the process tuning parameters 8, 9. Selection of process parameters in abrasive waterjet. Examples of non conventional or also called non traditional or unconventional are 1. Principle and basic process parameters of water jet machining. Index terms abrasive water jet machining, fuzzy logic modeling, depth of cut, genetic algorithm, optimization. Experimental investigation were conducted to assess the influence of abrasive water jet machining awjm process parameters on mrr of aluminium.
This paper assesses the influence of process parameters on depth of cut which is an important cutting performance measure in abrasive waterjet cutting of titanium. The water jet milling process is evaluated by examining the pockets process. Introduction to water jet machining process advantages. Research article an investigation of abrasive water jet.
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 or pencil blasting is an abrasive blasting machining process that uses abrasives propelled. Abrasive water jet machining awjm is the nontraditional material removal process. The mechanism of material removal rate is by erosion.
Waterjet cutting seminar report, ppt, pdf for mechanical. Taguchi grey relational analysis is opted because of multi response optimization. Abrasive water jet machining is one of the novel nontraditional cutting processes found diverse applications in machining different kinds of difficulttomachine materials. Schematic of abrasive jet machining 2 satyanarayana et al. The effect of abrasive waterjet machining parameters on the. Optimisation of process parameters of abrasive waterjet machining process for carbidic austempered ductile iron cadi s. The cutting process is most similar to the grinding. Waterjet is the most versatile process, because it is able to cut almost any type of material. Experimental investigation were conducted to assess the influence of abrasive water jet machining awjm process parameters on mrr. Hence in the existing work an effort has been made to optimize the cutting parameters in the awjm of ti 6al 4v alloy using gra method. Water jet machining working principle, advantages and. In awjm process the workpiece material is removed by impact erosion of highvelocity jet of water mixed with abrasive particles. Experimental evaluation of optimal parameters for abrasive. In water jet machining, high velocity water jet is allowed to strike a given workpiece.
The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Mar 01, 2021 abrasive jet machining ajm process, parameters, equipment, mrr. Water jet machining wjm is cne f such processes of material removal. In this present work experimental investigations were conducted to assess the influence of abrasive water jet machining awjm process parameters on surface roughness ra of glass fiber reinforced epoxy composites. The pump delivers water to the intensifier at low pressure of about 5 bars. Optimizing the machining parameters of abrasive water jet.
Pdf experimental investigation of process parameters influence. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. Inprocess monitoring of abrasive water jet milling for iit kanpur. There are several process parameters in this technique, among which water pressure, abrasive flow rate, jet traverse rate, standoff distance and diameter of focusing. Multi response optimization of abrasive water jet machining process parameters by using taguchi based grey relational analysis ch. Experiments will be conducted in varying water pressure, nozzle traverse speed, abrasive mass flow rate for cutting al6061 alloy using abrasive water jet cutting process. Parametric optimization of abrasive water jet machining of. Chengal reddy 3 1pg scholar, department of mechanical engineering, chadalawada ramanamma engineering college, andhra pradesh. Ann and rsm approach for modelling and multi objective. The abrasive water jet machining process is characterized by large number of process parameters that determine efficiency, economy and quality of the whole process.
Optimization of process parameter in abrasive water jet machining for machining harsh a. Abrasive water jet machining mainly adopted by aerospace industry for cutting high strength materials and other composites. Water jet cutting a technology on the rise october 2010 page 7 5. Abrasive water jet machine is an industrial machine in which we can cutting of the any types of materials i. The abrasive does the cutting through a mechanical sawing action, leaving a smooth, precision cut surface. That is why esab offers the patented combination of waterjet and plasma on the same machine. The abrasive water jet awj process is preferred to other manufacturing processes, as it offers a smaller heat affected zone, the ability to machine high strength materials, no significant alterations in the strength and hardness of the work material after machining, low cutting force employed on the parts, versatility, etc. The abrasive jet machining is a method based on the effects of the fine abrasive particles transported and directed to the work piece surface by means of compressed air jet. Puranik, 1student me production, 2assistant professor, 1mechanical production, 1aits, rajkot, india abstract abrasive water jet machining awjm is one of. Thin jets of high pressure and high velocity have been used to cut materials such wood, coal, textiles, rocks, concrete, asbestos. Selection of process parameters in abrasive waterjet cutting of.
Water jet machining a state of art p k ray, associate member with the advent of newer materials and intricate shapes of components, unconventional methods ofmatflrial removal have been developed. The surface finish of the machined surface acts as a major role in dimensional accuracy. Abrasive jet water machining of ti 6al 4v was prevailing optimization of machining parameters did not receive much consideration. It prevents the formation of heat affected zones on the workpiece. Srinivas5 1,2,3,4ug scholars, department of mechanical engineering, jb institute of engineering and technology. Pdf optimization of process parameters of abrasive water. The objective of this paper is to optimize material removal rate and kerf width simultaneously using awjm process on inconel 718. Abrasive water jet machining is a nontraditional process of removal of material by impact erosion of high pressure, high velocity of water and entrained high velocity of grit abrasives on a work piece. The roughness of the varied surface through the cut depth was also measured and determined as a process capability index of 3 zones machined surface.
Two types of cutting let us take a closer look at the basics of the two waterjet cutting methods. Pdf abrasive water jet machining awjm is a wellestablished nonconventional machining process and works on the principles of both water jet. Abrasive water jet machining awjm is a versatile and fastest growing machining process primarily used to machine hard and difficult to machine materials. Pdf a study of effect of process parameters of abrasive jet. The optimal values of process parameters, verified through confirmation tests, improve cutting quality. It automatically cleans the surface of the workpiece. Pure water cutting pure waterjet is used mainly for relatively soft materials such as plastic, textiles, paper, sealing materials, metalic foils, plywood.
Implementation of taguchi approach for optimization of abrasive water jet machining process parameters international journal of instrumentation, control and automation ijica issn. Process parameters play an important role in finding the economics of machining process at good quality. This is an important process parameter in the awj machining process. Water jet travels at velocities as high as 900 ms approximately mach 3. In the proposed work, the process parameters on surface roughness ra which is an important cutting performance is measured in abrasive water jet cutting of al6061. It is truly a versatile, productive, cold cutting process. In water jet machining wjm process, water jets alone without abrasives can be used for cutting. It has become highly developed industrial technology for the proper surface finish and accuracy with material properties. No toxic gases or liquids are used in water jet cutting, and water jets do not create hazards or vapours. A booster is also used which increases the initial pressure of water to 11 bar before delivering it to the intensifier. Machining input parameters such as jp, sod, cs of the dt are independent of the simple algorithmic properties of the process. 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 abrasive water jet shaping of materials has various variables and parameters. Optimisation of process parameters of abrasive waterjet.
A dust collection system is a basic requirement to prevent atmospheric pollution and health hazards. The approach was based on taguchis method and multiple linear regression analysis to optimize the awjm process parameters for. Waterjet nozzles by using properly designed nozzles. The process parameters, for example, transverse speed, stand offdistance, water pressure, abrasive flow rate. Water jet machining wjm called hydrodynamic or equipment may be used for applications similar to the laser. Abrasive water jet shaping has many beneficial parameters such as shaping the various materials. During this process, its kinetic energy is converted to pressure energy. Water jet machining can be applied for cutting laminated glass fiber reinforced composite of thickness 5.
Water jet machine widely used for cutting plastic, cloth, rubber, paper and leather, because of the lack of heat it produces kerf very narrow, and if set up correctly produce very smooth edges no scraps or. When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Review paper on process parameters of abrasive water jet. Uses a high velocity stream of water as a cutting tool.
Optimization of process parameters in abrasive water jet machining. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. The objective of this study was to examine the effects of abrasive water jet machining variables like cutting speed of the stainless steel material. Optimization of process parameters of abrasive water jet machining. This jet is used to remove unwanted material from the workpiece.
The fuzzy model is then embedded into a genetic algorithm to optimize the process parameters to maximize material removal rate mrr. Process capability and average roughness in abrasive water. Pdf as abrasive jet machining ajm is similar to sand blasting and effectively removes hard and brittle materials. Abrasive water jet machining is a nontraditional machining process.
Abrasive jet machining is one of the unconventional machining processes which, using various operations such as deburring, polishing, cutting etc. On this channel you can get education and knowledge for general issues and topics. Shanmugam and masood 2009 have made an investigation on the kerf taper angle. The process parameters are chosen as abrasive flow rate, pressure, and standoff distance. Testing depth penetration in alb c composite with abrasive. Jan 01, 2020 in contrast, cutting parameters that influence jet kinetic energy govern surface features of the rough cutting region. In dt learning, the reptree classification algorithm is used as a representative strategy. This work focuses on which of the process variables affect the plain water jet pwj milling process of pockets. The proper selection of this process is important in achieving of better surface finish 8. Abrasive water jet machining is an effective technology for processing various materials. It has a narrow kerf width, allowing fine contours to be cut, and producing high tolerance parts.
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