Student 2associate professor 1,2department of mechanical engineering 1,2government engineering college, valsad abstractabrasive jet machining is the process of material removal process from a. Abrasive jet machining ajm is the process of material. Global cnc abrasive water jet cutting machine market research report 2017 this report provided by 24 market reports is about. This work reports recent progress in the modeling of erosion processes for. Abrasive jet machining is used to cut hard metal like stainless steel, titanium, inconel etc. Ppt abrasive waterjet machining powerpoint presentation. The cutting action is cool because the carrier gas serves as a coolant. 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. Waterjet technology is a cold cutting process which cuts by using supersonic water, or water and abrasive, to erode material. Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and microabrasive blasting, is an abrasive blasting machining process. Pdf drilling of glass sheets by abrasive jet machining.
Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive. This can be used to remove corrosion from metals, making holes and cutting of a composite material. Abrasive water jet cutting is an extended version of water jet cutting. 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. Newer machines are capable of 3d machining thus making it an important in specialty manufacturing. This classification imposes some limitations, because most materials are neither absolutely ductile nor absolutely brittle, but lay within the continuous spectrum between those two idealizations. Ppt abrasive jet machining ajm case studies powerpoint. They complement existing tools used for either primary or secondary operations and could. Abrasive jet machining has been providing water jet cutting services for over 12 years. Ppt abrasive waterjet machining powerpoint presentation free to download id. From operator experiences the abrasive jets are capable of anywhere from 0.
Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock. Cut composites 10 inches thick or 2 inch thick with the same tiny tool. Abrasive jet machining free download as powerpoint presentation. 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. Ajm is mainly used to machine hard raw material, produce complex shape. Gas may be supplied either from a compressor or a cylinder. 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 the process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. The effect of particle size, velocity, and angle of attack was investigated on the roughness and. Erosion and roughness modeling in abrasive jet micromachining of brittle materials. Abrasive jet and waterjet cutting machines specifications. Abrasive jet machining ajm case studies powerpoint ppt presentation. A free powerpoint ppt presentation displayed as a flash slide show on id.
Common uses include cutting heatsensitive, brittle, thin, or. Abrasive water jet machiningwjm mohit ostwal assistant professor department of mechanical engineering jodhpur institute of engineering and technology, coed, jodhpur 2122016 mohitostwal,asst. Ppt water jet machining powerpoint presentation, free download. You can download whole articles pdf at the end of the articles. Abrasives gas propulsion system supplies clean and dry air. This project was done and completed under the guidance of er. Abrasive jet, abrasive waterjet, and abrasive slurry jet micromachining 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. Mechanical engineering projectsfree download mechanical. Abrasive water jet machining is a nontraditional method of evacuation of material by effect disintegration of the pressurised high speed of water and entrained high speed of coarseness abrasives on a work piece. Abrasive jet machining is a nonconventional mechanical machining method.
Virtually any material can be cut by using abrasive jet machining method, i. Effect of process parameter in abrasive water jet cutting. Most existing models for abrasive jet machining ajm are based on erosion models for either ductile or brittle materials. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process. Abrasive jet machining mechanical engineering students. An abrasive is small, hard particle having sharp edges and an irregular shape.
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. Seminar abrasive jet machining full report download. The highspeed water jet transfers the kinetic energy to the abrasive. 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 through a nozzle. Abrasive jet machine ajm by vivek patel introduction abrasive jet machining ajm is a process that removes material by. It is a process of material removal through the action of a focused stream of fluid with abrasive particles. Abstractdrilling of glass sheets with different thicknesses have. Replacing mixing tubes will be a large part of your operating cost. Water jet travels at velocities as high as 900 ms approximately mach 3. Abrasive jet machining ajm removes material through the action of a focused beam of abrasive jet.
According to nature of energy employed in machining, nontraditional machining processes are further classified into the following groups. Abrasive jet machining services in conjunction with sister company blue water engineering, are one of the leading and most experienced independent water jet cutting and fabrication companies in australia. Cutting composites with abrasive waterjet systems flow. This water jet machining process is essentially the same process as naturally occurring water erosion, but it occurs much more quickly and forcefully.
Seminar abrasive jet machining full report download learn mech. Water at 40,000 to 55,000 psi accelerates through a sapphire, ruby or diamond orifice. Abrasive waterjet cutting utilizes a high velocity coherent stream of water and abrasive that can be used to cut almost all materials. Process parameters of abrasive jet maching ajm are factors that influence its metal removal rate mrr in a machining process, metal removal rate mrr is the volume of metal removed from a given workpiece in unit time. It is used for machining or cutting reinforced plastic. Abrasive jet machining pptpdfseminar faadooengineers. Mechanical processes like ultrasonic machining, abrasive jet machining, water jet machining, abrasive water jet machining, etc. The abrasive jet can cut through just about anythingincluding itself. Abrasivejet machining ajm modern machining process. Progress in the modeling of abrasive jet machining. Types of abrasive materials different types of abrasive are used in abrasive jet machining like garnet, aluminum oxide, olivine, silica sand, silicon carbide,etc.
Air, nitrogen and carbon dioxide to propel the abrasive particles. Omax intellimax software goes beyond fast cutting with our powerful custom reporting tools. Introduction a stream of abrasive grains al2o3 or sic is carried by high pressure gas or air compressed. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. They are quick to set up, and offer quick turnaround on the machine. 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. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. In awjm, the material is removed by erosion process by the action of highspeed water jet mixed with abrasive particles. 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. Impinges on the work surface at very high velocity.
Experiments were conducted based on taguchis l 27 orthogonal arrays and the process parameters were. Abrasive jet machining companies services iqs directory. 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. Use to cut stone which reduces dust in the environment. Scribd is the worlds largest social reading and publishing site. Abrasive jet machining ajm or micro blast machining is a nontraditional machining process, wherein material removal is effected by the erosive action of a high velocity jet of a gas, carrying finegrained abrasive particles, impacting the work surface. High velocity jet is aimed at a surface under controller condition. Gino dini universit di pisa abrasive water jet machining awjm fluido con abrasivo ugello pezzo profondit di taglio portata di abrasivo. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining uses a water jet cutter capable of slicing into metal or other materials using an extremely high pressure stream of water and abrasive materials. 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. Abrasive jet machine index introduction to ajm component of ajm working parameter of ajm conclusion introduction of ajm abrasive jet machining ajm is a process in which the material is removed from the work piece due to impingement of fine grain abrasive by a high velocity gas stream.
Abrasive jet machining ajm ppt video online download. An investigation of abrasive water jet machining on. 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. Find abrasive jet and waterjet cutting machines on globalspec by specifications. Introduction and abrasive jet machining notes, mechanical engineeirng, semester notes edurev notes for is made by best teachers who have written some of the best books of. This is to certify that the thesis entitled design and fabrication of abrasive jet machine submitted by mr. The following are some of the important process parameters of. Located in sydney and on the gold coast, both companies have the experience and technology to be able to design, fabricate and manufacture a variety of marine, mining, industrial and. Since the process is non thermal, nonchemical and nonelectrical it creates no. Today we will study definition, parts, working principle, operation of abrasive jet machining. 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. Waterjet cutting seminar report, ppt, pdf for mechanical.
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. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. In this process chips are not formed like conventional machining processes e. The better performance, and the applications presented above statements confirm that abrasive jet machining ajm will continue to expand. In this machining, the abrasive particle size is 1040 micros. 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 is nontraditional manufacturing process that can make complex shapes on the surface of the hard and brittle material.
It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Maintenance on the abrasive jet nozzle is simpler than that of a. 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. Thus there is no thermal distortion or hardening of the material. Australian privately owned, abrasive jet machining services pty ltd services the marine, mining, mechanical and architectural sectors. The stream passes through a mixing region where the vacuum, induced by. Abrasive jet machining services and blue water engineering. Mechanical and industrial engineering university of toronto. The adobe flash plugin is needed to view this content. Increased productivity, fast cutting and highquality parts.
505 632 455 499 314 195 593 903 410 627 606 253 1465 1479 155 125 116 272 908 1144 455 1415 146 1304 107 1369 1353 1495