In awjm, the material is removed by erosion process by the action of highspeed water jet mixed with abrasive particles. The two are mixed in a mixing tube and then exit the nozzle. Typical example of water jet cutting of marble tomatoes drilling the process drills precisionangled and shaped holes in a variety of materials for which other. Abrasive water jet machining is a recent nontraditional machining process, and widely used in many industrial applications. 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. Cutting tests were conducted on such materials as aluminum, glass, titanium and graphite composites abrasive water jet cutting is among the most efficient methods of energy utilization for high. Ppt abrasive waterjet cutting powerpoint presentation. Principle of water jet machinethis process works on the basic principle of water erosion. 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 the process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces.
According to nature of energy employed in machining, nontraditional machining processes are further classified into the following groups. To cut a wider range of material, a granular abrasive typically garnet is added to the high pressure waterjet stream, increasing the cutting power. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. Learn about waterjets abrasive water jet cutting machine. Abrasive waterjet machining awjm is a new machining process, the advantages of which include low cutting temperatures, no heat damage to the material being cut, minimal dust, and low cutting forces. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece.
A water jet is used to accelerate the abrasive grains and. Unlike machining or grinding, water jet cutting does not produce any dust or. Gotawala 1pg student, 2associate professor, 3assistant professor 1mechanical department, 1shri sad vidhya mandal institute of technology, bharuch, india. The beam of water accelerates abrasive particles to speeds fast enough to cut through much harder materials. Abrasive water jet cutting is an extended version of water jet cutting. The waterjet cutting machine system consists of three.
Abrasive water jet machining awjm is non traditional or nonconventional machining process. From standard 2d dxf files to advanced 3d shapes, intellimax can import from all major cadcam and artistic drawing programs, allowing you to use your existing workflow. Abrasive waterjets are often used to cut metals, like steel and aluminum. Ppt abrasive waterjet machining powerpoint presentation free to download id. The cutter is commonly connected to a highpressure water pump, where the water is then ejected from the nozzle, cutting through the material by spraying it with the jet. Jan 28, 20 7th sem design and fabrication project by vardini, prithivi raj, subhakhar and sudharsan under the guidance of dr. Kuppan introduction in abrasive jet machining ajm a focused stream of abrasive grains of al2o3 or sic carried by highpressure gas or air at a high velocity is made to impinge on the work surface. In abrasive jet machining, a focused stream of abrasive particles, carried by high pressure air or gas is made to impinge on the work surface through a nozzle and the work material is made to impinge on the work surface through a nozzle and work material is removed by erosion by high velocity abrasive particles. 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. Abrasive processes are usually expensive, but capable of tighter tolerances and better surface finish than other machining processes. Maintenance on the abrasive jet nozzle is simpler than that of a laser, though probably just as frequent. The water passes through flow regulator valve which regulates the flow. Ppt abrasive waterjet machining powerpoint presentation.
Find powerpoint presentations and slides using the power of, find free presentations research about ajm ppt. An abrasive is small, hard particle having sharp edges and an irregular shape. Abrasives gas propulsion system supplies clean and dry air. Worlds best powerpoint templates powerpoint ppt presentation. Ultrasonic machining, water jet cutting wjc, abrasive water. Common examples include grinding, honing, and polishing. Jun 16, 2016 the capabilities of pure and abrasive waterjets. With the abrasive jet nozzle, an opening in the side of the nozzle allows for the introduction of the abrasive to the highpressure water stream. Precision abrasive jet machines can obtain about the same or higher tolerances than lasers especially as thickness increases. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. 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. Pdf fine abrasive water jet machining of piezoelectric. Nozzle converts some pressure energy of water into kinetic energy. Water jet cutting at davidson fabricating307 download.
Hydro abrasive jets ppt machining manmade materials. Seminar on abrasive waterjet machiningnonpollution machining machining of eccentric sheave on cnc complete project report ebook free download doc. Fast extreme water jet cutter machine working, modern technology waterjet cutting compilation. Jan 07, 2012 presentation of abrasive jet machining 1. Abrasive water jet abrasive water jet cutting technology uses a jet of high pressure and velocity water and abrasive slurry to cut the target material by means of erosion. Ppt abrasive water jet machining powerpoint presentation. Now, this highpressure water enters into the nozzle. Nontraditional processes ntp nontraditional cutting. The material is placed on a grid above the water tank, which serves the purpose of disbursing and capturing the energy of the.
Ppt water jet machining powerpoint presentation, free download. In these processes, the mechanical energy of water and abrasive phases are used to achieve material removal or machining. Apr 06, 2016 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. Because the abrasive is added at the nozzle, through the mixing tube, it is simple to switch between water only and abrasive waterjet cutting.
Abrasive waterjet machining powerpoint ppt presentation. Air, nitrogen and carbon dioxide to propel the abrasive particles. While cutting with water is possible for soft materials, the addition of an abrasive turned the waterjet into a modern machining tool for all materials. Recent development free download as powerpoint presentation. The stateofart of precision abrasive waterjet cutting. Omax intellimax software goes beyond fast cutting with our powerful custom reporting tools.
In this process, a highspeed wellconcentrated water jet is used to cut the metal. Seminar on abrasive waterjet machining nonpollution machining machining of eccentric sheave on cnc complete project report ebook free download doc. Gino dini universit di pisa abrasive water jet machining awjm fluido con abrasivo ugello pezzo profondit di taglio portata di abrasivo. A water jet is used to accelerate the abrasive grains and to assist the material removal process. The flow rate does not vary depending on what you are making unless you turn abrasive flow off and use water only cutting. Difference between grinding and milling the abrasive grains in the wheel are much smaller and more numerous than the teeth on a milling cutter. Since the process is non thermal, nonchemical and nonelectrical it creates no. As the thin stream of water leaves the nozzle, abrasive is added to the stream and mixed. Magnetic abrasive finishingmaf seminar reportpdfppt download.
Introduction abrasive water jet awj cutting is a nonconventional machining process in which, abrasive grains,entrained in a high speed water jet,collide with the work piece and erode it. Abrasive jet nozzle there is a difference between a pure water jet nozzle and an abrasive jet nozzle. Ppt abrasive waterjet cutting powerpoint presentation free to. A water jet cutter, also known as a water jet or waterjet, 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. Supported file formats abrasive water jet cutting machine. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Fine abrasive water jet machining of piezoelectric ceramics. After laser cutting after waterjet cutting waterjets vs. Abrasive water jet machining wjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and technology, coed, jodhpur 2122016 mohitostwal,asst. Abrasive waterjet machining the cutter is commonly connected to a highpressure water pump, where the water is then ejected from the nozzle, cutting through the material by spraying it with the jet. Abrasive water jet machining developed in 1974 to clean metal prior to surface treatment of the metal. Download this books into available format 2019 update.
Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. 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. Waterjet machine can use by artist or those institute who teach art work. In this study he focused on the process of water jet cutting and commented that the abrasive water jet technique is normally used to cut hard materials like titanium, ceramics, kevlar fiber composites and the advantage of. Ppt abrasive machining and finishing powerpoint presentation free to view id. A free powerpoint ppt presentation displayed as a flash slide show on id. View and download powerpoint presentations on ajm ppt. Ajm has smaller diameter abrasives and a more finely controlled delivery system.
Prices for abrasive varies from 15 cents per pound to 40 cents per pound, depending on the quality of the abrasive, and where you buy it. Hydro abrasive jets ppt free download as powerpoint presentation. This water jet sends to strike at the work surface. 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. In previous investigations, it has been found that three. Water jet cutting a technology on the rise october 2010 page 5 fig. Types of abrasive machining processes grinding honing lapping superfinishing polishing buffing abrasive water jet machining ultrasonic machining.
Because pure waterjet cutting uses only water, its more suitable for delicate materials, such as felts and foams. What is abrasive jet machining what is abrasive jet machining. Common uses include cutting heatsensitive, brittle, thin, or. Abrasive water jet machiningwjm mohit ostwal assistant professor jodhpur institute of. Magnetic abrasive finishingmaf seminar reportpdf ppt download. The highspeed water jet transfers the kinetic energy to the abrasive. Abrasivejet machining ajm modern machining process. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process.
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. Waterjet cutting seminar report, ppt, pdf for mechanical. Water jet machining abrasive water jet machning slideshare. Pdf on jan 1, 1998, andreas momber and others published principles of abrasive. Pdf principles of abrasive water jet machining researchgate. Abrasive jet machining free download as powerpoint presentation. Seminar abrasive jet machining full report download. The purity in the water stream prevents damage to finished components even during detailed machining. Principle, working, equipments, application, advantages and disadvantages. Almost any type of material ranging from hard brittle materials such as ceramics, metals and glass. 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. Thus there is no thermal distortion or hardening of the material.
Abrasive jet machine introduction abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and shock abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation. In this process chips are not formed like conventional machining processes e. Mechanical processes like ultrasonic machining, abrasive jet machining, water jet machining, abrasive water jet machining, etc. Process principle an abrasive jet starts out the same as a pure water jet.
Abrasive jet machining pptpdfseminar faadooengineers. 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. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. High velocity jet is aimed at a surface under controller condition. A highspeed high pressurize water jet is available at the nozzle exit. The impact of single solid particles is the basic event in the material removal by abrasive water jets. Waterjet technology is a cold cutting process which cuts by using supersonic water, or water and abrasive, to erode material. The 8th pacific rim international conference on water jet technology oct. 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. 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. With the custom reporting tools, that fast part cutting time is translated into a total cost per part estimation and then formatted into a usercustomized form for the client.
The omax intellimax premium software suite features the broadest file support in abrasive waterjet software. Abrasive jet machining slides the best slides in least cost. 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. Fast extreme water jet cutter machine working, modern. Abrasive machining is a machining process where material is removed from a workpiece using a multitude of small abrasive particles. Ajm is mainly used to machine hard raw material, produce complex shape. 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.
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