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 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. Abrasives gas propulsion system supplies clean and dry air. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Abrasive jet machining seminar report pdf seminars topics. Jan 07, 2012 presentation of abrasive jet machining 1. Ppt abrasive waterjet machining powerpoint presentation.
The figure shown is the above abrasive jet machining. The abrasive particles are held in a suitable holding device, like a tank and fed into the mixing chamber. It uses water jet working as a tool to cut the metal. Abrasive jet machining services and blue water engineering. Ppt abrasive%20jet%20machine powerpoint presentation. These high velocity abrasive particles remove metal by brittle fracture or erosion from work piece. 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 waterjet machining is the property of its rightful owner. Parametric optimization of abrasive water jet machining of. For the love of physics walter lewin may 16, 2011 duration. Difference between grinding and milling the abrasive grains in the wheel are much smaller and more numerous than the teeth on a milling cutter.
Gas may be supplied either from a compressor or a cylinder. In order to cut harder materials like metals or granite, an abrasive material is. Abrasive jet machining pptpdfseminar faadooengineers. In the present paper, research work involved in the experimental study of abrasive water jet machining of carbon epoxy composite material is described. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Since the process is non thermal, nonchemical and nonelectrical it creates no. If so, share your ppt presentation slides online with. Also explore the seminar topics paper on abrasive cleaning 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. 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. Introduction ajm is a metal removing process and it is invented in 1967. Air, nitrogen and carbon dioxide to propel the abrasive particles. 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. The equipment used for machining the samples was excelcnc abrasive water jet cutting machine equipped with ingersold rand model of water jet pump with the designed pressure of 345 mpa 50,000 psi. Abrasive jet machining ajm is nontraditional manufacturing process.
An abrasive is small, hard particle having sharp edges and an irregular shape. Ajmm is a promising technique to three dimensional. It is the material removal process where the material is removed by high velocity stream of airgas or water. 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. Jet of abrasive particles is carried by carrier gas or. Both technology use the principle of pressuring water to extremely high pressure, and allowing the water to escape. 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. The machine is equipped with a gravity feed type of abrasive hopper, an abrasive feeder system, a pneumatically controlled valve and a workpiece. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials. Abrasive jet machining adalah suatu alat untuk mengembangkan dan penanganan aliran gas abrasifsarat untuk mesin jet abrasif, menggunakan peralatan untuk penyimpanan, makan, dan pengendalian bubuk abrasive dalam jet pembawa disampaikan melalui tabung tegak pada tekanan yang relatif tinggi dan kecepatan. Presentation ofabrasivejetmachining linkedin slideshare. The abrasive jet machining is the process of impinging the highspeed stream of abrasive particles by highpressure gas or air on the work surface through a nozzle and metal removal occurs due to erosion caused by highspeed abrasive particles.
Use the download button below or simple online reader. 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. 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. Abrasive jet machine index introduction to ajm component of ajm working parameter of ajm conclusion introduction of ajm abrasive jet machining. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Mar 29, 2017 abrasive jet machining is a nontraditional machining process which is mostly used in machining of hardened metals. 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. In abrasive jet machining, a high velocity jet of abrasives is made to strike the work surface for removal of material by impact erosion. Specifically it is used to cut intricate shapes or form specific edge. Abrasive jet machining mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and. It uses the kinetic energy of water particle to erode metal at the contact surface. A free powerpoint ppt presentation displayed as a flash slide show on id.
Waterjet cutting seminar report, ppt, pdf for mechanical. Abrasive cleaning seminar report, ppt, pdf for mechanical. Virtually any material can be cut by using abrasive jet machining method, i. A jet of inert gas consisting of very fine abrasive particles strikes the. The filtered gas at a pressure of 2 to 8 kgfcm 2 is supplied to the mixing chamber containing the abrasive powder and. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. It is one of the most famous nontraditional machining process because it is environment friendly.
Abrasive water jet machiningbasic terms and working duration. It is the material removal process where the material is removed by high velocity stream of airgas or. They are important because introduction they can be used on all types of materials ranging from soft metals to hardened steels and hard nonmetallic materials such as. Abrasive jet machining ajm working principle and process parameters applications of abrasive jet machining. Apr 01, 2017 today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram. Study on carbon epoxy composite surfaces machined by abrasive. The impact of single solidparticles is the basic event in the material removal by abrasive water jets. Abstract abrasive water jet machining awjm is one of the non conventional machining process for difficult to cut brittle, hard and thin materials. High velocity jet is aimed at a surface under controller condition. Seminar abrasive jet machining full report download. Ppt abrasive%20jet%20machine powerpoint presentation free. In abrasive jet machining abrasive particles are made to impinge on work material at high velocity. Both technology use the principle of pressuring water to extremely high pressure, and allowing the water to escape through opening typically called the orifice or jewel.
Ajm is suitable for machining heat sensitive material like silicon, gallium because the heat generation during the machining is very low. During this process, its kinetic energy is converted to pressure energy. The impact of single solid particles is the basic event in the material removal by abrasive water jets. The process parameters which are mainly influence the quality of machining in awjm are water pressure, standoff distance, nozzle diameter, traverse speed, abrasive flow rate and abrasive size. Principle of water jet machinethis process works on the basic principle of water erosion. Water jet machining working principle, advantages and. View abrasive jet machining research papers on academia. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. Scribd is the worlds largest social reading and publishing site. Abrasive jet machining process, parameters, equipment, mrr.
A typical setup for abrasive jet machining is shown in the figure. Abrasive water jet machining awjm, taguchi method, anova, sn ratio, mrr, sr. May 20, 2017 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. A typical material removal rate for abrasive jet machining is 16 mmmin in cutting glass. Abrasive jet machining is a nontraditional machining process which is mostly used in machining of hardened metals.
Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. In this process chips are not formed like conventional machining processes e. An abrasive is small, hard particle having sharp edges and an. Abrasive jet system and its various applications in abrasive. 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. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut. Applications, advantages, and disadvantages of abrasive jet. The aim of present work is to improve surface finish and studying defects in machined samples. It involves the use of high velocity water jet to smoothly cut a soft workpiece. Types of abrasive machining processes grinding honing lapping superfinishing polishing buffing abrasive water jet machining ultrasonic machining. Abrasive machining involves material removal by the action of hard, abrasive particles.
Explore abrasive cleaning with free download of seminar report and ppt in pdf and doc format. In this machining process a focus stream of abrasive particles are forces to impinge on work piece at high velocity. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasivejet machining ajm modern machining process. Abrasive jet machining services pty ltd was established in 1998 and is now one of the leading and most experienced independent water jet cutting and fabrication companies in australia. The developed abrasive jet system is efficient to cut and drill brittle materials, to clean surface, to test erosion resistance of coatings, and others. Water jet technology has been around since the early 1970s or so, and abrasive jets extended the concept about ten years later.
The use of abrasives to shape parts is probably the oldest material removal process. Abrasive jet micro machining ajmm is a relatively new approach to the fabrication of micro structures. 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. Global waterjet machine market 20152019 waterjet machines provide an efficient method of producing intricate components of machines with relative ease and precision. Today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. The file extension pdf and ranks to the school work category. In previous investigations, it has been found that three. It consists of a mixing chamber, gas filter, pressure gauge, regulator, and the nozzle. Investigation on glassepoxy composite surfaces machined by. Advantages and limitations of abrasive jet machining ajm. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process. Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and microabrasive blasting, is an abrasive blasting machining process. Introduction minitab 17 was used for analysis purpose.
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. This process is favorable for removing various deposits and coatings on metallic and ceramic surfaces. Water pressure is abrasive water jet machine awjm is a nontraditional machining process widely used in industry and material. Types of abrasive materials different types of abrasive are used in abrasive jet machining like garnet, aluminum oxide, olivine, silica sand, silicon carbide,etc. In this process, a highspeed wellconcentrated water jet is used to cut the metal. In water jet machining, high velocity water jet is allowed to strike a given workpiece.
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