The maximum xy motion travel will establish the cutting window or largest work piece for a specific table. Results show the abrasive waterjet machining factors significance and their effect to noise environment. Water jet travels at velocities as high as 900 ms approximately mach 3. Wjm can be used to cut softer materials like plastic, rubber or wood. Generally, it cuts with superior quality than heat cutting methods and with less cost and quality than electrical discharge machining edm. Waterjet machining uses a high velocity narrow jet of a liquid water to cut materials. The liquid pressure at the impact area is approximately 60,000 psi. To cut a wider range of material, a granular abrasive typically garnet is added to the high pressure waterjet stream, increasing the cutting power. Water jet cutting if the cutting edge quality of flame cutting fulfills the requirements, then flame cutting is more cost effective than water jet cutting. Machining for water jet cuts precision waterjet concepts. Water jet cutting is a nonconventional machining method that makes use of highpressure water jets with i. In water jet machining wjm process, water jets alone without abrasives can be used for cutting.
The process of water jet cutting performance waterjet pwj. As the jet approaches a corner, it becomes necessary to slow the motion down so the bottom of the jet can catch up to the top, and be perpendicular to your material. Water jet machining free download as powerpoint presentation. The waterjet cutting machine system consists of three. This video will cover mechanism of material removal, tool material, wear ratio, medium, advantages, disadvantages and application of water jet.
Abrasive water jet cutting of material involves the effect of a high pressure velocity jet of water with induced abrasive particle on to. Dec 24, 2017 this video is helpful for gate and ies aspirants. Comparison of water jet machining, abrasive water jet. Waterjet is a generic term used to describe equipment that uses a high pressure stream of water for cutting or cleaning purposes. Whether its a large sign for a restaurant, decorative tiles, or intricate design work, the water jet can create it in a wide variety of materials. Our water jet cutting services offer numerous benefits, including. Waterjet machining has several advantages over other methods. Developers and researchers are getting close to breaking the barriers that stand in the way of micromachining in the 150 to 200micron range and below. Paul,department of mechanical engineering, iit kharagpur. Design of experiment and evaluation of abrasive waterjet. Pure waterjet and wateronly cutting are phrases for specifically distinguishing waterjets that do not use abrasive.
Advantages of abrasive jet cutting were shown, but also the problems with nozzle life, errors on bottom. Technological cutting process by hydroabrazive erosion is. As in conventional machining tools, the water jet exerts machining force on the workpiece during the cutting process. The material is placed on a grid above the water tank, which serves the purpose of disbursing and capturing the energy of the. Water jet in water jet machining, materials are removed by the impingement of a continuous stream of highenergy water beads. Oct 23, 2008 lecture series on manufacturing processes ii by prof. Because the abrasive is added at the nozzle, through the mixing tube, it is simple to switch between water only and abrasive waterjet cutting. Precision waterjet offers inhouse machining for water jet cut parts. Waterjet cutting is a nonconventional machining method that makes use of highpressure water jets with i. The accuracy and edge quality of awj is similar to laser for thin sheet metal.
Find water jet cnc machines related suppliers, manufacturers, products and specifications on globalspec a trusted source of water jet cnc machines information. Abrasive water jet machining is a recent nontraditional machining process, and widely used in many industrial applications. This methodical journey through the field is marked by drawings, graphs and tables, many of which are being published here for the first time. At the beginning of paper difference between water jet and abrasive water jet was pointed out.
Computer configuration should include 1 gb ram, 20 gb hard disc, windows xp software, auto cad 2006 software and serial port. Explanations are given as the book follows the development of an abrasive water jet machining process, from tool generation through to machining results, supervision and control. When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Machine shop capabilities machining, water jet cutting. Scribd is the worlds largest social reading and publishing site. The water, often mixed with an abrasive, is forced through a nozzle on one of the machines cutting heads and penetrates through the material positioned on the machines large cutting table. Part 1 deals with mechanical type advanced machining processes such as ultrasonic machining, water jet machining, abrasive water jet machining.
It uses the kinetic energy of water particle to erode metal at the contact surface. Lecture series on manufacturing processes ii by prof. Water jet machining working principle, advantages and. Abrasive jet maching ajm water jet machining wjm abrasive water jet machining awjm electrochemical machining ecm electro discharge machining edm. 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 intecg2 is based on the same design platform as the techjetx3. Water jet machining water jet machining wjm is a mechanical energy based nontraditional machining process used to cut and machine soft materials. 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. Waterjets are fast, flexible, reasonably precise, and in the last few years have become friendly and easy to use.
Water abrasive jet machining, deep hole drilling, id internal grinding, od external grinding, jig grinding, surface grinding, laser machining, electrode edm, wire edm. Advanced machining processes video course course outline there is a need for machine tools and processes which can. During analyzing the effect operating pressure and nozzle parameter has examined. The mechanism of material removal rate is by erosion. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. This lag can usually be ignored when cutting in a straight line, but becomes critical when near a corner. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Water jet machining machining building engineering. Principle of water jet machinethis process works on the basic principle of water erosion. Manufacturing knowledge menu waterjet cutting services. Just like any good market, the competition is getting fiercer across all categories. Cnc machining, waterjet cutting, grinding, cutting, molding, and other metal fabrication. Version 2 me, iit kharagpur instructional objectives o list four different non conventional machining processes o differentiate between water and abrasive water jet machining o list different wjm and awjm systems o list ten different modules of awjm systems o list four applications of awjm o list three advantages of awjm o list materials that can be processed by awjm o mention functions of. A cad model of nozzle has been developed by using geometrical model of ansys.
Water jet and abrasive water jet machining youtube. On this channel you can get education and knowledge for general issues and topics. Pdf use of water jet has been in existence for over twenty years, but it is yet to reach its full potential in the construction industry. Abrasive water jet machining was introduced to manufacturing ten years ago and has been increasingly used for treating hardtomachine and multilayered materials and as an alternative tool for milling, turning, drilling and polishing. Abrasive jet machining ajm water jet cutting wjc and abrasive water jet machining awjm magnetic abrasive finishing maf and its modelling 3. So, under this the commonly known processes are ultrasonic process, then a water jet machining, then abrasive water jet machining. Waterjet cutting is the use of a special cutter the uses a high pressure jet stream of water.
There are virtually no limits to what waterjets can cut, which is why companies of all kinds and sizes are realizing greater efficiencies and productivity by implementing waterjets in their. Abrasive waterjet cutting is an important shape cutting technique. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. It involves the use of high velocity water jet to achieve material removal or machining. Design of experiment and evaluation of abrasive waterjet cutting in titanium alloy sheet 2015 design of experiment and evaluation of abrasive waterjet cutting in titanium alloy sheet diploma work in the master programme materials engineering daniel andersson mikael ingvarsson diploma work no. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Water jet cutting a technology on the rise october 2010 page 5 fig. Abrasivejet is a subcategory of waterjet in which abrasive is introduced to accelerate the process. Plastic deformation and fracturing and also called an etching process. The term abrasive jet refers specifically to the use of a mixture of water and abrasive to cut hard materials such as metal or granite, while the terms pure waterjet and water. Learn about waterjets abrasive water jet cutting machine. Our machining efficiently handles tapping, drilling, counter sinking, and even more. The advantages and disadvantages of waterjet cutting it seems the trends toward local sourcing have stretched much further than homes and restaurants but also into machines and craftwork.
They use the technology of highpressure water being forced through a small hole typically called the orifice or jewel to concentrate an extreme amount of energy in a small area. Abrasive water jet cutting of material involves the effect of a high pressure velocity jet of water with induced abrasive particle on to materials to be cut. In the waterjet machining process, water is forced through tiny nozzles under very high pressures to cut through materials such as polymers, brick, and paper. The promise of waterjet technology for micromachining the potential benefits of using waterjet technology to produce parts or part features smaller than 300 microns are compelling. The ultimate guide to waterjet the modern waterjet waterjet cutting technology is one of the fastest growing major machine tool processes in the world. Water jet cutting provides benefits with respect to the surface, because depending on the process there are no weld spatters and no burr formation.
Material is eroded from the work piece at the impact location of the liquid jet. The advantages and disadvantages of waterjet cutting. For this a computational model of water jet machining has been simulated by using ansys fluent. Jan 22, 20 water jet cutting if the cutting edge quality of flame cutting fulfills the requirements, then flame cutting is more cost effective than water jet cutting. It also includes micronanofinishing processes viz, abrasive flow finishing, magnetic abrasive finishing, etc. Water jet machining wjm also called water jet cutting, is a nontraditional machining process in which highvelocity jet of water is used to remove materials from the surface of the workpiece. Waterjet cutting seminar report, ppt, pdf for mechanical. Waterjet machine can use by artist or those institute who teach art work. Lm37 module 9 non conventional machining version 2 me. In this process, a highspeed wellconcentrated water jet is used to cut the metal. Lecture 37 water jet machining and abrasive water jet.
In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Ultrahigh pressure water is fired through a ruby or diamond orifice into a mixing chamber which creates a vacuum and draws garnet sand into the water stream. Speed of production with our automated process and stateofthe art, dualhead machine, we can rapidly produce parts and components from virtually any material. Water jet machininga 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. In this process, high velocity water jet is allowed to strike. Thin jets of high pressure and high velocity have been used to cut materials such wood, coal, textiles, rocks, concrete, asbestos. Abrasive waterjet manufacturing system consists of subsystems, by which the initial tool is created. The intecg2 can cut almost any material to 8 thick at maximum cutting speeds with minimum capital outlay. The main advantage of the technology compared to other cutting processes is. The main advantage of the technology compared to other cutting processes is in the cold cutting process. Part 2 deals with thermal machining processes for example, electric. Our selection of waterjet machining systems includes cutting windows from 4 feet x 8 feet up to 12 feet x 18 feet. Abrasive waterjet cutting is essentially an accelerated erosion process. Water jet machining wjm is cne f such processes of material removal.
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