Types of unconventional machining process manufacturing working. 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. Ultrasonic machining is a nontraditional process, in which abrasives contained in a slurry are driven against the work by a tool oscillating at low amplitude 25100 microns and high frequency 1530 khz. Ultrasonic machining is a mechanical type nontraditional machining process. The purpose of this study was to optimize and determine the most important abrasive water jet turning awjt operational parameters, such as nozzle. Also see high speed machining hsm seminar and ppt with pdf report. Abrasivejet machining ajm modern machining process. This process is more suitable when the work material is brittle and fragile. Ajm deburring has the advantage over manual deburring method that. It is to be noted that, irrespective of the purpose, abrasive jet machining ajm is beneficial only for hard and brittle materials. Aug 09, 2017 introduction to abrasive jet machining process duration. It consists of a mixing chamber, gas filter, pressure gauge, regulator, and the nozzle.
Abrasive machining is a machining process where material is removed from a workpiece using a multitude of small abrasive particles. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. In ajm the abrasive is much finer and the process parameters and cutting action are carefully controlled. Abrasive jet machining and study of process parameters mtech. The rate of cutting in water jet machining, particularly while cutting ductile material, is quite low. 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. Wjm can be used to cut softer materials like plastic, rubber or wood. Global waterjet machine market 20152019 waterjet machines provide an efficient method of producing intricate components of machines with relative ease and precision. Abrasive jet machining process, parameters, equipment, mrr. Abrasive processes are usually expensive, but capable of tighter tolerances and better surface finish than other machining processes. Abrasive machining material removal by action of hard, abrasive particles usually in the form of a bonded wheel generally used as finishing operations after part geometry has been established y conventional machining grinding is most important abrasive processes other abrasive processes. Ultrasonic machining national institute of technology. Waterjet cutting seminar report, ppt, pdf for mechanical.
Advance machining processes are used where higher accuracy and surface finish is required. These high velocity abrasive particles remove metal by brittle fracture or erosion from work piece. Today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram. Since the process is non thermal, nonchemical and nonelectrical it creates no. 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. Abrasive jet machining working, advantages, disadvantages. It uses the kinetic energy of water particle to erode metal at the contact surface. Abrasive jet machining pptpdfseminar faadooengineers. Water jet technology has been around since the early 1970s or so, and abrasive jets extended the concept about ten years later. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. A typical setup for abrasive jet machining is shown in the figure. Jet of abrasive particles is carried by carrier gas or.
In this machining process a focus stream of abrasive particles are forces to impinge on work piece at high velocity. 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. In abrasive jet machining abrasive particles are made to impinge on work material at high velocity. Sure the carpenter can use the back of his crow bar to hammer in nails, but there is a better way. Abrasive jet machining on aluminum material youtube. The abrasive particles are held in a suitable holding device, like a tank and fed into the mixing chamber. It involves the use of high velocity water jet to smoothly cut a soft workpiece.
Similar case happens when ice particles are introduced as in ice jet machining. Ppt abrasive waterjet machining powerpoint presentation. A machining operation is basically termed a material removal process, where material is removed in the form of chips. Conventional and non conventional machining processes. They are compressor, vibrator, mixing chamber, nozzle, machine table, and pressure gauge and regulator. Common applications of abrasive jet machining process are provided below. Seminar abrasive jet machining full report download. Mar 29, 2017 abrasive jet machining is a nontraditional machining process which is mostly used in machining of hardened metals. This tool will induce impact loads on to the abrasive. Abrasive machining chapter 26 5 abrasive machining chapter 26 6.
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. Principle of water jet machinethis process works on the basic principle of water erosion. The use of abrasives to shape parts is probably the oldest material removal process. Common examples include grinding, honing, and polishing. Explore abrasive cleaning with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining ajm is nontraditional manufacturing process. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through.
Abrasive cleaning seminar report, ppt, pdf for mechanical. This process is used for drilling both circular and noncircular holes in very hard materials like carbide, ceramics, etc. In order to cut harder materials like metals or granite, an abrasive material is. Shashi kumar 3 central manufacturing technology institute, bangalore 560 022. In abrasive water jet cutting, a narrow, focused, water jet is mixed with abrasive particles. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. Specifically it is used to cut intricate shapes or form.
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. Free download latest mechanical engineering projects of abrasive jet machine with report and project ppt, download free mechanical project of abrasive jet machining process is the metal removal process and is a process, in which removed from the work piece due to impingement fine grain abrasive by high velocity gas stream. Abrasive water jet machining awjm, an important nonconventionaltype machining, is capable to overcome the limitations as regards to the machining of composites and therefore widely employed to. This process is particularly suitable for heat sensitive materials that cannot be machined by processes that produce heat while machining.
Jet of abrasive particles is carried by carrier gas or air. What is abrasive jet machining what is abrasive jet machining. Material removal processes machining is the broad term used to describe removal of material from a workpiece includes cutting, abrasive processes grinding, advanced machining processes electrical, chemical, thermal, hydrodynamic, lasers automation began when lathes were introduced in 1700s. Abrasive jet machiningabrasive jet machining an unconventional machining process.
This fact makes wire and ram edms ideal for making magnetic reader heads. 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. Abrasive jet machining ajm is the process of material removal from a work piece by. Ajm should be avoided if work material is soft and ductile. Water jet machining working principle, advantages and. Edm can be used to make fixtures, collets and jet engine blade slots, mold cooling ribs and reinforcing ribs. Ajm is mainly used to machine hard raw material, produce complex shape.
In water jet machining, high velocity water jet is allowed to strike a given workpiece. Advantages and limitations of abrasive jet machining ajm. It is important to understand that abrasive jets are not the same thing as the water jet although they are nearly the same. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining.
Abrasives used are aluminium oxide, silicon carbide, glass powder and sodium carbonate. Find powerpoint presentations and slides using the power of, find free presentations research about abrasive jet machining ppt. Mechanism of material removal is due to brittle fracture by impinging abrasive grains at high speed. Nontraditional processes ntp nontraditional cutting. During this process, its kinetic energy is converted to pressure energy. 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. The filtered gas at a pressure of 2 to 8 kgfcm 2 is supplied to the mixing chamber containing the abrasive powder and. Common uses include cutting heatsensitive, brittle, thin, or hard materials. An abrasive is small, hard particle having sharp edges and an irregular shape. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar report pdf ppt. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process.
The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. View and download powerpoint presentations on abrasive jet machining ppt. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. The smaller size particles are used for obtaining good surface finish and. The high velocity stream of abrasives is generated by converting pressure energy of carrier gas or air to its kinetic energy and hence high velocity jet. In a machining operation, the output parameter is achieved by controlling various input parameters. Process is independent of electrical or thermal propertieselectrical or thermal conductivity of work material does not influence the abrasive jet machining capability. In this process chips are not formed like conventional machining processes e.
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. One of them, abrasive jet machining is a nontraditional machining process in which a highpressure air stream and abrasive particles impinge on a work surface. Eml 2322l mae design and manufacturing laboratory abrasive water jet processes water jet machining invented 1970, principles of water jet cutting one stop sealing the principles of water jet cutting explained by one stop sealing if you need some advice or would like a quotation, email us at email protected or call. Abrasive jet machining basic terms and working duration. Dec 04, 2011 this abrasive jet machining and study of process parameters mtech mech seminar is about the ajm with its equipments that are used in manufacturing abrasive jet machine. A typical material removal rate for abrasive jet machining is 16 mmmin in cutting glass. 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. The machining operation is simple and requires less time. 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. No thermal damage of workpiece unlike conventional machining or thermal energy based nontraditional machining processes, ajm produce no palpable heat during machining. 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.
Abrasive machining involves material removal by the action of hard, abrasive particles. A focused stream of abrasive particles, carried by high pressure air or gas is made to impinge on the work surface through a control nozzle. Abrasive water jet machining awjm, an important nonconventionaltype machining, is capable to overcome the limitations as regards to the machining. Abrasive jet machining is a nontraditional machining process which is mostly used in machining of hardened metals. 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. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials. Machining, grinding abrasive cutting, industrial processes, metalworking, crafts report this link. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Download mechanical engineering projectsdownload automobile.
Abrasive jet machining working, advantages, disadvantages and applications construction in abrasive jet machining, the gases employed are usually air and nitrogen. Sep 15, 2016 for the love of physics walter lewin may 16, 2011 duration. 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. 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. Ajm has smaller diameter abrasives and a more finely controlled delivery system. Ultrasonic machining is one of the types of nontraditional machining methods which produces circular, noncircular holes of very small size is machining method when very frequency vibrations are applied on to the tool, the tool is vibrating at a very high frequency. Use of abrasive particles grid sizes between 60 and 120 into the jet stream process parameters. Unit ii abrasive jet machining and water jet machining ppt presentation summary. 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. It uses water jet working as a tool to cut the metal. It is one of the most famous nontraditional machining process because it is environment friendly. High velocity jet is aimed at a surface under controller condition. Ultrasonic machining ppt with pdf seminar report ultrasonic machining is a mechanical material removal process that uses formed tools, vibration of high frequency and abrasive slurry mix. For the love of physics walter lewin may 16, 2011 duration.
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