Download the seminar report for magneto abrasive flow machining. Water jet cutting technology is one of the fastest growing major machine tool processes in the world due to its versatility and ease of operation. Abrasive jet machining effect of mixing ratio on material removal ratemrr. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. In machining of the micro groove, the machining area is controlled by the vshaped fig. S department of health, education, and welfare public health service center for discese control national institute for occupational safety and health. 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. Abstract latest seminar topics for engineering csitmeee. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials. Waterjet is the most versatile process, because it. Abrasive jet machining introduction abrasive water jet machine tools are suddenly being a hit in the market since they are quick to program and could make money on short runs. Studies on recharging of abrasives in abrasive water jet. Ppt abrasive waterjet machining powerpoint presentation.
The jet velocity is in the range of 150300 ms and pressure is from two to ten times atmospheric pressure. Introduction and abrasive jet machining notes, mechanical engineeirng, semester notes edurev is made by best teachers of. Water jet cutting is a nonconventional machining method that makes use of highpressure waterjets with i. A precision waterjet with a taper compensating head will machine 14 thick carbon fiber as fast as 180 inchesminute at 60,000 psi with taper of less than 0. Abrasive jet machining mechanical engineering students. Abrasive blasting operations, engineering control and work.
Air, nitrogen and carbon dioxide to propel the abrasive particles. It has been successfully employed for deburring, radiusing, and removing recast layers of precision components. 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. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format.
The principles of abrasive water jet cutting are similar to pure water jet cutting, but within the nozzle is a mixing chamber where the garnet is introduced. Introduction abrasive flow machining afm is used to deburr, polish or radius surfaces and edges by flowing a semisolid abrasive media over these areas. 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. Journal of materials processing technology, 28 1991 107116 elsevier abrasive flow machining. 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. Ajm is mainly used to machine hard raw material, produce complex shape. These benefits add up to significant cost savings per part in industries that have traditionally defined productivity by cost per hour. Abrasive jet machining project report faadooengineers. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets. In general, the overall cost of an awjm system still remains high compared to that of traditional machining techniques, despite a move by the industry to reduce the equipment cost and increase the system reliability. And the examples of non conventional processes are abrasive jet machining ajm, electrodischarge machining edm, laser beam machining lbm, abrasive water jet machining awjm etc abrasive jet machining also called, abrasive micro blasting, it is a material removing process and material is removed by a focused steam of abrasive particles.
The advantages and disadvantages of waterjet cutting. Abrasive jet machining basic terms and working duration. Abrasive jet machining on aluminum material youtube. Abrasives used are aluminium oxide, silicon carbide, glass powder and sodium carbonate. High velocity jet is aimed at a surface under controller condition. Various abrasive particles used for machining in abrasive jet machining. The jet nozzle is traversed above the exposed area with supplying the abrasive slurry at a low pressure. 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. 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. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. Optimization of abrasive water jet machining process parameters using taguchi grey relational analysis tgra 83 conclude that the performance characteristics of the awjm process namely hydraulic pressure, abrasive mass flow rate, standoff distance and traverse rate are improved together by using gra. Wang, a study of abrasive water jet cutting of metallic coated sheet steels international journal. Abrasivejet machining ajm modern machining process.
Abrasives gas propulsion system supplies clean and dry air. Gas may be supplied either from a compressor or a cylinder. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar report pdf ppt download. Abrasive jet machining working, advantages, disadvantages and applications construction in abrasive jet machining, the gases employed are usually air and nitrogen. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching. Magneto abrasive flow machining mafm is one of the latest nonconventional machining processes, which possesses excellent capabilities for finish machining of inaccessible regions of a component. Seminar on abrasive waterjet machining nonpollution machining machining of eccentric sheave on cnc complete project report ebook free download doc. 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. A highvelocity jet of dry air, nitrogen, or carbon dioxide containing abrasive particles is aimed at the work piece surface under controlled conditions.
Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process. Just like any good market, the competition is getting fiercer across all categories. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. 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. Jet cutting is one of the safer cutting technologies, but you still need to take precautions to minimize the chances of or ill effects of an injury. Introduction to abrasive machining and finishing processes dr.
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. Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock. Do not put your hands in the tank while the jet is operating. Explore abrasive cleaning with free download of seminar report and ppt in pdf and doc format. In this process chips are not formed like conventional machining processes e. Abrasive cutting is typically used when cutting materials such as stainless steel, aluminium, stone, ceramics and composites. The vertical flow from the jet nozzle changes to horizontal flow around the stagnation area. Magneto abrasive flow machining, ask latest information, magneto abrasive flow machining abstract,magneto abrasive flow machining report,magneto abrasive flow machining presentation pdf,doc,ppt,magneto abrasive flow machining technology discussion,magneto abrasive flow machining paper presentation details,magneto abrasive flow machining, ppt, pdf, report. Abrasive water jet machining wjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and technology, coed, jodhpur 2122016 mohitostwal,asst. 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. 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. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Water jet cutting is a nonconventional machining method that makes use of highpressure water jets with i.
Newer machines are capable of 3d machining thus making it an important in specialty manufacturing. Cutting of food products by iceparticles in a waterjet. Aug 09, 2017 sign in to report inappropriate content. They are quick to set up, and offer quick turnaround on the machine. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. Optimization of abrasive water jet machining process parameters using taguchi grey relational analysis tgra 84 fig. 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. The better performance, and the applications presented above statements confirm that abrasive jet machining ajm will continue to expand. Use hearing protection when the jet is not submerged during cutting. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Re use of abrasives is not recommended since the cutting ability of abrasive decrease after the usage and also the contamination of wear materials clogging the nozzle and the cutting unit orifice. Wear safety glasses to keep abrasive particles out of your eyes.
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. It involves the use of high ve locity water jet to. 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. Wjm can be used to cut softer materials like plastic, rubber or wood.
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. Water jet cutting uses an ultrahigh pressure stream of water to carry an abrasive grit. The abrasive does the cutting through a mechanical sawing action, leaving a smooth, precision cut surface. Magneto abrasive flow machining, ask latest information, magneto abrasive flow machining abstract,magneto abrasive flow machining report,magneto abrasive flow machining presentation pdf,doc,ppt,magneto abrasive flow machining technology discussion,magneto abrasive flow machining paper presentation details,magneto abrasive flow machining, ppt, pdf, report, presentation, source code, abstract. From operator experiences the abrasive jets are capable of anywhere from 0. An early outcome is that the icejet would be initially limited to large scale commercial applications owing to the cost of waterjet equipment. Controllable parameters the possible controllable parameters of awjm are water jet orifice size, water jet pressure, abrasive. The variables that influence the rate of metal removal and accuracy of machining in this process is.
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. Ajm is considered as a mechanical energy based nontraditional machining process that utilizes a jet of gas abrasive mixture for removing material. Mechanical processes like ultrasonic machining, abrasive jet machining, water jet machining, abrasive water jet machining, etc. Water jet cutting a technology on the rise october 2010 page 5 fig. The major process parameters that affects the mrr in ajm are gas pressure. Water jet machining is a mechanical energy based nontrad itional machining process used to cut and machine soft and nonmetallic materials. The latest development in the field of water jet cutting is the use of super water for cutting, which enhances both abrasive and non abrasive water jet cutting. 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. Magnetic abrasive finishingmaf seminar report pdf ppt download. This document is highly rated by students and has been viewed 450 times. 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. Investigation of machining parameters in abrasive jet.
According to nature of energy employed in machining, nontraditional machining processes are further classified into the following groups. Seminar abrasive jet machining full report download. The material is placed on a grid above the water tank, which serves the purpose of disbursing and capturing the energy of the. Abrasive jet, abrasive waterjet, and abrasive slurry jet micro machining are nontraditional microfabrication technologies that utilize high speed jets of microscopic particles to mechanically etch a wide variety of materials without generating heat or otherwise affecting material properties. Introduction abrasive flow machining afm is used to deburr, polish or radius surfaces and edges by flowing a semisolid abrasive media over. 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. Abrasive jet machining working, advantages, disadvantages. Its industrial use depends on its cost effectiveness. 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. Introduction to abrasive machining and finishing processes. Abrasive water jet machining awjm is becoming more widely used.
Since the process is non thermal, nonchemical and nonelectrical it creates no. Water jet machining working principle, advantages and. Download the seminar report for magneto abrasive flow. Abrasive cleaning seminar report, ppt, pdf for mechanical. 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. Manufacturers are realizing that there are virtually no limits to what waterjets are capable of cutting and machining. An abrasive is small, hard particle having sharp edges and an irregular shape.
Ajm has smaller diameter abrasives and a more finely controlled delivery system. Mamilla ravi sankar department of mechanical engineering indian institute of technology guwahati. Awjm is a nonconventional machining process where material is removed by impact erosion of high pressure high velocity of water and entrained high velocity of grit abrasives on a work piece 5. Almost any type of material ranging from hard brittle materials such as ceramics, metals and glass. The smaller size particles are used for obtaining good surface finish and. They complement existing tools used for either primary or secondary operations and could. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut. A free powerpoint ppt presentation displayed as a flash slide show on id. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Increased mass flow rate of abrasive will result in a decreased velocity of fluid and there by decreases the available energy for erosion and ultimately the mrr.
825 400 1270 607 599 1476 782 454 686 873 1084 554 1237 1480 1158 1043 728 460 1467 620 837 1215 969 851 936 433 104 1099 1276 425 674 1417 296 781 286