Air, nitrogen and carbon dioxide to propel the abrasive particles. Abstract abrasive water jet machining awjm is one of the non conventional machining process for difficult to cut brittle, hard and thin materials. The purpose of this study was to optimize and determine the most important abrasive water jet turning awjt operational parameters, such as nozzle. It consists of a mixing chamber, gas filter, pressure gauge, regulator, and the nozzle. 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 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 water jet cutting is an extended version of water jet cutting. 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. My mom made a savory dinner of spaghetti and meatballs last night.
Chapters 2 through 4 discuss the properties of the tools of the process. This abrasive jet machining project is used for cutting any integrated shapes on brittle materials like glass. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. 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. The highvelocity abrasive particles remove the material by micro cutting action as well as brittle fracture of the work material. Specifically it is used to cut intricate shapes or form.
This paper discusses the effects of various input parameters in abrasive jet. Water jet cutting also called water jet machining or w jm is similar to laser beam machinll1g and electronbeam machining in one respect. Abrasive jet machining mechanical engineering students. Abrasive jet machining working, advantages, disadvantages. Ajm is considered as a mechanical energy based nontraditional machining process that utilizes a jet of gas abrasive mixture for removing material.
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. Abrasivejet machining ajm modern machining process. For ductile material, cutting wear is also in evidence. 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 is one of the most famous nontraditional machining process because it is environment friendly. 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. Today we will learn about water jet machining and abrasive water jet machining principle, working, equipments, application, advantages and disadvantages with its diagram. Introduction and abrasive jet machining notes, mechanical engineeirng, semester notes edurev is made by best teachers of. Abrasive jet machining process, parameters, equipment, mrr. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar report pdf ppt. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. Abrasives used are aluminium oxide, silicon carbide, glass powder and sodium carbonate.
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. Abrasive jet machining ajm menggunakan aliran butiran abrasive halus dicampur dengan udara atau gas pembawa lainnya pada tekanan tinggi. Abrasive flow machining afm hacettepe universitesi. Their usage in automated engineering industry needs good quality in components and excellent surface finish. 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. It has been applied to rough working such as deburring and rough finishing, machining of ceramics and electronic devices. Abrasive flow machining afm semih sancar 20622852 selcuk unal 20622976 yunus kocabozdogan 20519809. Ajm is applied for many purposes like drilling, cutting, cleaning, and etching operation. 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 jet nozzle is traversed above the exposed area with supplying the abrasive slurry at a low pressure. They are quick to set up, and offer quick turnaround on the machine. Abrasive water jet cutting machine starts with a water pump. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc.
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. Wjm can be used to cut softer materials like plastic, rubber or wood. 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 better performance, and the applications presented above statements confirm that abrasive jet machining ajm will continue to expand. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Abrasives gas propulsion system supplies clean and dry air.
Newer machines are capable of 3d machining thus making it an important in specialty. Waterjet cutting seminar report, ppt, pdf for mechanical. Abrasive jet machining on aluminum material youtube. Aliran ini diarahkan oleh nosel yang didesain cocok untuk keperluan tersebut kepada permukaan benda kerja yang dikerjakan. Abrasive water jet machining if there is an abrasive added it is normally added at the nozzle which has shown in below figure. Its industrial use depends on its cost effectiveness. Abrasive blasting cabinets the choice of abrasive blasting cabinet needs to made based on the type of blasting being done including the media type and frequency of blasting. Abrasive water jet machining awjm is becoming more widely used. Abrasive jet machining working, advantages, disadvantages and applications construction in abrasive jet machining, the gases employed are usually air and nitrogen. An investigation of abrasive water jet machining on graphite. Abrasive jet machining ajm is a nontraditional machine process which operates without producing shocks and heat. 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.
Mechanical processes like ultrasonic machining, abrasive jet machining, water jet machining, abrasive water jet machining, etc. The ajm process differs from conventional sand blasting in that the abrasive is much finer and the process parameters and cutting action are carefully. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Studies on recharging of abrasives in abrasive water jet.
The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. 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. 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 is a processing nontraditional machine which operates materials without producing shock and heat. Advance machining processes are used where higher accuracy and surface finish is required.
Ppt abrasive powerpoint presentation free to view id. Water jet and abrasive water jet machining youtube. Abrasive jet machining ajm is nontraditional manufacturing process. Influence of nozzle design and process parameters on. A machinability study of mild steel using abrasive water. A free powerpoint ppt presentation displayed as a flash slide show on id. Abstractcarbon fiber reinforced polymer composites find extensive applications in the areas of automotive, aircraft and aerospace, medical sciences, and electronics. Cons are limited nozzle life, not suitable for ductile materials, abrasives are not reusable. 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 jet machining ajm is a nonconventional machining process where a highpressure air stream with small abrasive particles to impinge the work surface through a nozzle. In a machining operation, the output parameter is achieved by controlling various input parameters.
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. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. The aim of this research work is to make holes on carbon fiber reinforced polymer composite. The smaller size particles are used for obtaining good surface finish and. 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. Hence nontraditional methods like abrasive water jet machining and laser machining etc. 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.
We can cut any difficult shapes and create holes in glass and brittle material using compressed air and abrasive particles. This document is highly rated by students and has been viewed 450 times. The figure shown is the above abrasive jet machining. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. Abrasive jet machining effect of exit gas velocity and abrasive particle density.
Common uses include cutting heatsensitive, brittle, thin, or hard materials. The kinetic energy possessed by a jet increases in quadrature with the velocity. This process is used for drilling both circular and noncircular holes in very hard materials like carbide, ceramics, etc. Abrasive jet machiningabrasive jet machining an unconventional machining process. The variables that influence the rate of metal removal and accuracy of machining in this process is. Machining of eccentric sheave on cnc complete project report ebook free download doc abrasive jet machining magnetic abrasive finishingmaf seminar report pdf ppt download. Download seminar on cryocars full report pdf ppt downloadmechanical seminar shot peening principle. Design and fabrication of abrasive jet machine ethesis. Abrasive water jet machining is a recent nontraditional machining process, and widely used in many industrial applications. 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. Virtually any material can be cut by using abrasive jet machining method, i. In the present research work, the effect of abrasive water jet awj machining parameters such as jet operating pressure, feed rate, standoff distance sod, and concentration of abrasive on kerf width produced on graphite filled glass fiber reinforced epoxy composite is investigated. The water pump pressurizes the water and pumps it from a water tank or other water supply to the nozzle.
Ajm is mainly used to machine hard raw material, produce complex shape. Almost any type of material ranging from hard brittle materials such as ceramics, metals and glass. 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. Advantages and disadvantages of ajm are given here. Abrasive waterjet machining awjm is a new machining process, the advantages of which include low cutting temperatures, no heat damage to. Ppt abrasive waterjet cutting powerpoint presentation.
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. Explore abrasive cleaning with free download of seminar report and ppt in pdf and doc format. 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. A compressor is used which is connected through pu pipe to control valve. Abrasive jet machining ajm is non conventional machining the removal of material from a workpiece by the application of a high speed stream of abrasive particles carried in gas medium from a nozzle. Student production mechanical, ldrpitr, gujarat, india 2lecturer, mechanical engineering, ldrpitr, gujarat, india abstract abrasive water jet machining awjm is the nontraditional material removal process. It uses water jet working as a tool to cut the metal. In machining of the micro groove, the machining area is controlled by the vshaped fig. They complement existing tools used for either primary or secondary operations and could. Optimization of process parameter in abrasive water jet machining for machining harsh a. The vertical flow from the jet nozzle changes to horizontal flow around the stagnation area. High velocity jet is aimed at a surface under controller condition. Powder blasting, or abrasive jet machining, is a technique in which a particle jet typically al 2 o 3 particles of 330. In this process chips are not formed like conventional machining processes e.
Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Parametric optimization of abrasive water jet machining of. Pengelupasan material terjadi gaca erosive yang disebabkan oleh tumbuhan partikel. Abrasive jet machining project report faadooengineers. Types of abrasive materials different types of abrasive are used in abrasive jet machining like garnet, aluminum oxide, olivine, silica sand, silicon carbide,etc. Abrasive jet machining effect of mixing ratio on material removal ratemrr. An abrasive is small, hard particle having sharp edges and an irregular shape.
The primary benefit of a blasting cabinet versus a portable system is the. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. May 26, 2017 abrasive jet machining ajm is the process of material removal from a work piece by the application of a highspeed stream of abrasive particles carried in a gas medium from a nozzle. A cnc milling machine was modified to an ajm, using the cframe, xy table, stepper motor and other parts of the cnc. 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. 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. For the love of physics walter lewin may 16, 2011 duration. Seminar abrasive jet machining full report download. Abrasive cleaning seminar report, ppt, pdf for mechanical. Aug 09, 2017 abrasive jet machining basic terms and working duration. Abrasive jet machining seminar report pdf seminars topics. The use of abrasives to shape parts is probably the oldest material removal process. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. From operator experiences the abrasive jets are capable of anywhere from 0.
According to nature of energy employed in machining, nontraditional machining processes are further classified into the following groups. The particles of the materials get accelerate in gas stream and are made to focus on machine. Tne srmilaflty lies in concentrating a given amount of energy onto a small point to cause material removal. The high velocity abrasive particles remove the material by microcutting action as well as brittle fracture of the work material. Abrasive jet machining pptpdfseminar faadooengineers. What is abrasive jet machining what is abrasive jet machining. Gas may be supplied either from a compressor or a cylinder. Abrasive jet machining ajm is the process of material removal from a work piece by the application of a high speed stream of abrasive particles suspended in a. In awjm, abrasive particles like sand sio2, glass beads are added to the water jet to enhance its cutting ability by many folds. 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. Abrasive jet machining ajm also known as abrasive microblasting or pencil blasting is an abrasive blasting machining process that uses abrasives propelled by high velocity gas to erode material from the work piece.
Abrasive jet machining and study of process parameters. Water jet machining uses water mixed with abrasive materials projected with high pressure typically 0. Abrasive jet machining an overview sciencedirect topics. Abrasive machining involves material removal by the action of hard, abrasive particles. 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. Advantages and limitations of abrasive jet machining ajm. Abrasive jet machining is a nontraditional machining process which is mostly used in machining of hardened metals. Water jet machining working principle, advantages and. Apparatus for developing and handling an abrasive laden gas stream for abrasive jet machining, employing equipment for storage, feeding, and control of abrasive powder in a carrier jet delivered through an upright feed tube at relatively high pressure and velocity. Some studies on abrasive jet machining a machining operation is basically a material removal process, where material is removed in the form of chips.
Since the process is non thermal, nonchemical and nonelectrical it creates no. The machining operation is simple and requires less time. In this machining process a focus stream of abrasive particles are forces to impinge on work piece at high velocity. Abrasive jet machining free download as powerpoint presentation. Inconel718 is one among the family of nickelchromium based super alloys which are having high strength, corrosionresistant used at 217oc to 704oc. Abrasive water jet machining if there is an abrasive added it is normally added at.