Abrasive jet machining free download as powerpoint presentation. Different types of abrasive are used in abrasive jet machining like garnet, aluminum oxide, olivine, silica sand, silicon carbide,etc. Machine components you can fabricate with an abrasive jet. 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 jet machining ajmalso known as abrasive microblastingpencil blasting and microabrasive blasting1 is an abrasive blasting machining process that uses abrasives propelled by a high velocity gas to erode material from the. 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 is used to force abrasive media through the orifices and the intersection of holes in metal parts to achieve a uniform radius.
Abrasive jet machining ajm is a process that removes material from a workpiece through the use of abrasive particles entrained in a highvelocity gas stream. Machining composites with abrasive waterjet cutting composite material is a perfect application for abrasive waterjets. Protomax the first high performance personal abrasive. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file.
Virtually any material can be cut by using abrasive jet machining method, i. Hydroerosive grinding heg is a specialized form of abrasive flow machining. Jet of abrasive particles is carried by carrier gas or air. Deburring abrasive jet machining is one of the efficient methods for deburring process for removal of burr of milled features and drilled holes, especially when work material is hard. Sep 11, 2015 abrasive jet machining abrasives used in 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.
In abrasive jet machining abrasive particles are made to impinge on work material at high velocity. Common uses include cutting heatsensitive, brittle, thin, or hard materials. Newer machines are capable of 3d machining thus making it an important in specialty manufacturing. 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. Abrasive jet machining ajm is a process that removes material from a workpiece through the use of abrasive particles entrained in a highvelocity g.
Abrasive jet machining will cut many types of materials and in some cases up to 2 in thickness. 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. 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. It consists of a mixing chamber, gas filter, pressure gauge, regulator, and the nozzle. Abrasive jet machining there is document abrasive jet machining available here for reading and downloading. Ideal for light commercial applications, diy makerspaces, and educational institutions where. The figure shown is the above abrasive jet machining. Abrasive jet machining slides the best slides in least cost. 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. Get an overview of ajm process, mechanism, parameters, equipment, mrr, accuracy, capability, pros and cons, applications, controlling, etc. Air, nitrogen and carbon dioxide to propel the abrasive particles.
Mechanics of material removal in abrasive jet machining and. Abrasive jet machining ajm introduction a high speed. Abrasive jet machining is useful for creating start holes for wire insertion later on. The variables that influence the rate of metal removal and accuracy of machining in this process is. This process is favorable for removing various deposits and coatings on metallic and ceramic surfaces. Since the process is non thermal, nonchemical and nonelectrical it creates no.
The better performance, and the applications presented above statements confirm that abrasive jet machining ajm will continue to expand. Newer machines are capable of 3d machining thus making it an important in specialty. Material thickness also affects both the amount and the type of taper. The purpose of this study was to optimize and determine the most important abrasive water jet turning awjt operational parameters, such as nozzle. Layout then passes a tool path file to the cam program, make, for automated machining of the parts. 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 accustream abrasive pots are a cost effective solution for adding waterjet cutting capacity and replacing existing waterjet cutting machines. Work surface cleaning ajm can be advantageously used for cleaning metallic or ceramic surfaces substrate must be hard. An overview of abrasive waterjet machining awjm the following limitations are relevant to abrasive waterjet machining 1,5. According to nature of energy employed in machining, nontraditional machining processes are further classified into the following groups. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. This will greatly reduce dwell marks on the finished surface.
The high velocity abrasive particles remove the material by microcutting action as well as brittle fracture of the work material. Waterjets can make parts to very tight tolerances and today some machines can create parts with a tolerance of as small as 0. The omax intellimax premium software suite features the broadest file support in abrasive waterjet software. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. Machining of brittle materials by ajm is due to brittle fracture and removal of micro chips from the work piece. Abrasive water jet machining injection type ip23622, ms system woma, austria power 22 kw, 50 hz maximum discharge pressure 360 mpa abrasive feeding system vibratory conveyor with heating facility cnc work table twoaxis control x, y british standard sieves, mesh 30, 36, 44, 52, 60, 72, 80, 100, number 120.
A precision abrasive waterjet often can stay within 0. This article discusses the operation of principal components, advantages, and disadvantages of the ajm system. The right abrasive delivery system can increase efficiency. Click on the file icon or file name to start downloading tags for this thread abrasive, engineering forum, faadooengineers, jet, machining, project, report. The cutting ability of water jet machining can be improved drastically by adding hard and sharp abrasive particles into the water jet. Abrasive jet machining ajm introduction a high speed stream of abrasive particles mixed with high pressure air. Gas may be supplied either from a compressor or a cylinder.
The process of abrasive flow machining produces a smooth, polished finish using a pressurized media. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Presentation ofabrasivejetmachining linkedin slideshare. An abrasive is small, hard particle having sharp edges and an irregular shape. Abrasive jet machining process, parameters, equipment, mrr. 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. Almost any type of material ranging from hard brittle materials such as ceramics, metals and glass. Studies on recharging of abrasives in abrasive water jet. This process is used to finish the interior surfaces of cast metals and produce controlled radii in the finished product. Milco waterjet water jet machining waterjet cutting. Mechanical processes like ultrasonic machining, abrasive jet machining, water jet machining, abrasive water jet machining, etc.
Metal, glass, plastic, wood and more, the protomax cuts material under 1 in. Ajmm is a promising technique to three dimensional. First, a little background information about abrasive machining. Abrasive flow machining afm, also known an extrude honing, is an industrial process used in metalworking. Design and manufacturing of abrasive jet machine for drilling. Specifically it is used to cut intricate shapes or form. Abrasives grain sizes application aluminium oxideal2o3 12, 20, 50 microns good for cleaning, cutting and deburring silicon carbide sic 25,40 microns used for similar application but for hard material glass beads 0. A abrasive second pot can be added to avoid long downtimes between. Jan 07, 2012 presentation of abrasive jet machining 1. An abrasive waterjet usually is not thought of as a gearmaking machine, but a gear tooth is just one particular shape that can be made easily with an abrasive waterjet.
Embedment of the abrasive particles in the brittle. Mechanics of material removal in abrasive jet machining. A gentle introduction to abrasive waterjet machining. As the material gets thicker, it becomes more difficult to control the behavior of the jet as it exits out the bottom.
This will cause blowout in the corners, and more taper around curves. From operator experiences the abrasive jets are capable of anywhere from 0. Use the download button below or simple online reader. Aug 25, 2019 work surface cleaning ajm can be advantageously used for cleaning metallic or ceramic surfaces substrate must be hard. Abrasive jet machining ajm utilizes a high velocity jet of abrasives to remove material from work surface by impact erosion. Pdf process characteristics of abrasive jet machining.
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. Pdf abrasive jet machine is the device used to remove material by means of high velocity carrier gas and abrasive mixture. Pdf abrasive jet machining is one of the unconventional machining processes which, using various operations such as deburring, polishing. Faster abrasive jets are much faster than edm, which slowly removes the metal. Abrasive jet machining ajm is one of the modern machining processes where high velocity jet of abrasives mixed with dehumidified pressurized gas is made. In this machining fine abrasive grades or particles in a jet of inert gas hit the work piece at very high velocity usually in the order of 200400 msec. Abrasive water jet cutting is an extended version of water jet cutting. Environmentally responsible by using natural mediums such as garnet and water, no hazardous or toxic fumes are released, and the residual waste can be disposed of in public or municipal sites. Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock. Abrasive jet machining abrasives used in abrasive jet machining. Biswas department of mechanical engineering national institute of technology rourkela 20 fabrication of abrasive jet machine a thesis. Sep 04, 2019 carrier gas for abrasive jet machining basic purpose of carrier gas in abrasive jet machining is to accelerate fine abrasive particles by momentum transfer.
Advanced waterjet software coupled with 30,000 psi pump pressure drives the most efficient waterjet cutting tool for its size. Pdf this paper gives an insight on various research and activities carried out on the process of abrasive water jet machining awjm. Abrasive jet machining falls under a category of mechanical process or it is an unconventional and nontraditional manufacturing process. Oct 10, 2006 an abrasive waterjet usually is not thought of as a gearmaking machine, but a gear tooth is just one particular shape that can be made easily with an abrasive waterjet. The file extension pdf and ranks to the documents category. From standard 2d dxf files to advanced 3d shapes, intellimax can import from all major cadcam and artistic drawing programs, allowing you to use your existing workflow. Download mechanical engineering projectsdownload automobile. High velocity jet is aimed at a surface under controller condition. In abrasive jet machining, a high velocity jet of abrasives is made to strike the work surface for removal of material by impact erosion. Abrasive jet micro machining ajmm is a relatively new approach to the fabrication of micro structures.
Pdf abrasive jet machining ajm is a manufacturing technology based on erosion localization and intensification. Abrasives gas propulsion system supplies clean and dry air. Abrasive jet machining pptpdfseminar faadooengineers. Carrier gas for abrasive jet machining basic purpose of carrier gas in abrasive jet machining is to accelerate fine abrasive particles by momentum transfer. Supported file formats abrasive water jet cutting machine. Abrasive jet machining machining handbooks asm international. Advantages and limitations of abrasive jet machining ajm. The filtered gas at a pressure of 2 to 8 kgfcm 2 is supplied to the mixing chamber containing the abrasive powder and.