The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Jain advanced machining processes, authored by vijay k. This methodical journey through the field is marked by drawings, graphs and tables, many of which are being published here for the first time. The kinetic energy possessed by the jet is converted into pressure energy which serves as a single point tool.
Water resource engineering full notes, pdfs, ebooks, all units thank very helpful where can i get dat for water and waste water 2nd january 20, 02. 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. Sukhatmes course on heat and mass transfer, based on incropera. Jain, is a comprehensive book for students pursuing mechanical engineering. Find water jet cnc machines related suppliers, manufacturers, products and specifications on globalspec a trusted source of water jet cnc machines information. Water jet machining water jet machining wjm is a mechanical energy based nontraditional machining process used to cut and machine soft materials. Wjm can be used to cut softer materials like plastic, rubber or wood. In this process, high velocity water jet is allowed to strike. You can find most of the materialsnotes related to civil engineering.
Manufacturing processes i nptel online videos, courses. Non traditional abrasive machining processes ultrasonic, abrasive. Abrasive water jet machining is a recent nontraditional machining process, and widely used in many industrial applications. 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. It uses the kinetic energy of water particle to erode metal at the contact surface. Nikodijevic university of nis, faculty of mechanical engineering university of nis, faculty of civil engineering and architecture abstract. Non traditional abrasive machining processes ultrasonic, abrasive jet and abrasive water jet machining. Nptel provides elearning through online web and video courses various. An early outcome is that the icejet would be initially limited to large scale commercial applications owing to the cost of waterjet equipment. Nikodijevic university of nis, faculty of mechanical engineering university of nis, faculty of.
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. Ultrasonic, abrasive jet and abrasive water jet machining. Here is some good info for anyone new to the profession, or in need of a refresher. Laser properties speed is given by material, its thicknes and power of the machine. Abrasive jet micro machining ajmm is a relatively new approach to the. It involves the use of high velocity water jet to achieve material removal or machining. One of the strategic areas where robotic awjm is finding critical application is dismantling of nuclear plants.
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. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Our selection of waterjet machining systems includes cutting windows from 4 feet x 8 feet up to 12 feet x 18 feet. This methodical journey through the field is marked by drawings, graphs and tables, many of. Machining is a broad term to describe removal of material from a workpiece. Other articles where waterjet machining is discussed. Find water jet machine related suppliers, manufacturers, products and specifications on globalspec a trusted source of water jet machine information. The variables that influence the rate of metal removal and accuracy of machining in this process is. Water resources engineering video lectures, nptel water resources engineering videos, nptel water resources engineering youtube videos, iit water resources engineering video course. Modelling the cutting process and cutting performance in. Because of this, we are in a perfect situation to combine ideas, processes and people to achieve various outcomes. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. Part 1 deals with mechanical type advanced machining processes such as ultrasonic machining, water jet machining, abrasive water.
Journal of engineering materials and technology, volumel 11, issue 2, 1989, pp 154 162. Oct 23, 2008 lecture series on manufacturing processes ii by prof. Waterjet cutting seminar report, ppt, pdf for mechanical. Paul,department of mechanical engineering, iit kharagpur. Water jet conference table of contents session 1 theoretical chairman. Waterjet abrasives are typically made of garnet, with grit size ranging from 50 to 220 mesh, though 80 is the most common. It involves the use of high ve locity water jet to. It is an efficient machining method for processing a range of hard and brittle objects and has a variety of.
Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. He posted a link in an engtips forums thread to a document titled tips on designing cost effective machined parts, written by joe osborn, from omw. Iit nptel waste water engineering civil engineering online video lectures, courses, tutorials, books civil engineering bridges, autocad, structural engineering youtube civil engineering videos. Cutting of food products by iceparticles in a waterjet. Since its development, waterjet machining has seen many improvements in its design. In addition to precise cutting of various materials as presented, many special applications i. Cutting rates for various materials and thicknesses using a co2 laser ipm material thickness 0. Versatility is one of the primary strengths of waterjet technology. Nptel waste water engineering nptel video lectures from.
Waterjet machining uses a high velocity narrow jet of a liquid water to cut materials. It deals with the latest machining processes named as advanced machining processes. This plunger pressurizes water to a level that is proportional to the relative crosssectional areas of. International journal of modern engineering research ijmer. Nocnon traditional abrasive machining processes ultrasonic, abrasive jet abrasive water jet. Water jet machining machining jet engine free 30day. Many waterjet machines are capable of switching from pure waterjet cutting to abrasive waterjet cutting, making them uniquely versatile. Whether its a large sign for a restaurant, decorative tiles, or intricate design work, the water jet can create it in a wide variety of materials. Non traditional abrasive machining processesultrasonic, abrasive jet and abrasive water jet machining.
Lbm doesnt need vacuum because the size and mass of a. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Yuh college of engineering and technology southern illinois university at carbondale carbondale, illinois 62901. Nptel online videos, courses iit video lectures well organized. When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Water jet and abrasive water jet machining engineering insider. Unconventional machining processes, modern machining processes, and new technology.
Material is eroded from the work piece at the impact location of the liquid jet. William cooley, terraspace, rockville, maryland dimensionless pipe length analysis for jet modulation systems j. Non traditional abrasive machining processesultrasonic, abrasive. Asimava roy choudhury is at present a professor in the mechanical engineering department of iit kharagpur. In this process, a highspeed wellconcentrated water jet is used to cut the metal. The water, in this case, acts like a saw and cuts a narrow groove in the work piece. Waterjet xyz motion controller the cutting head is precisely moved around the bed of the machine table to make the desired material cuts.
Lecture 10 water resources engineering nptel water. Abrasive water jet machining awjm electrochemical machining ecm electro discharge machining edm. Explanations are given as the book follows the development of an abrasive water jet machining process, from tool generation through to machining results, supervision and control. Water jet cutting a technology on the rise october 2010 page 1 foreword. Lecture 37 water jet machining and abrasive water jet.
Rajesh srivastava, department of civil engineering, iit kanpur for more details on nptel visit nptel. Abrasive jet machining project for mechanical engineering. Water resource engineering full notes, pdfs, ebooks, all units. The goal of this site is presently to help the undergraduates pursuing b.
Classification of metal removal processes and machine tools. Mechanical engineering 155 courses linuxpert systems. Advanced machining processes video course course outline there is a need for machine tools and processes which can accurately and easily machine the most difficultto machine materials and workpieces with intricate and accurate shapes. In order to meet these challenges, a number of newer material. Water jet cutting is a nonconventional machining method that makes use of highpressure water jets with i. Aug 10, 2017 watch this video to know the details about the abrasive jet machining project for mechanical engineering. Here at abrasive jet machining and blue water engineering, we have been able to work with a vast array of industries. Waterjet machine can use by artist or those institute who teach art work. Machining tips from an online engineering community. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. Jun 29, 2017 in water jet machining wjm process, water jets alone without abrasives can be used for cutting. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Principle of water jet machinethis process works on the basic principle of water erosion. In the waterjet machining process, water is forced through tiny nozzles under very high pressures to cut through materials such as polymers, brick, and paper.
Project management abrasive jet machining services and blue. Mechanical engineering department, universal group of institutes ugi, lalru, punjab. Advanced machining processes online course video lectures by. The purpose of this brochure is to give the reader a rough overview of waterjet cutting. Chapters 2 through 4 discuss the properties of the tools of the process. Thin jets of high pressure and high velocity have been used to cut materials such wood, coal, textiles, rocks, concrete, asbestos. Hashish, a model for abrasive water jet awj machining, transactions ofasme. Water jet and abrasive water jet machining are material removal processes.
Lecture 10 water resources engineering lecture series on water resources engineering by prof. Abrasive jet machining is the nonconventional material elimination method. Nptel provides elearning through online web and video courses various streams. 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. Waterjet cutting technology is one of the fastest growing major machine tool processes in the world due to its versatility and ease of operation. Water jet machining machining building engineering free. Non traditional abrasive machining processes ultrasonic, abrasive jet and abrasive water jet. The liquid pressure at the impact area is approximately 60,000 psi. Nptel syllabus advanced manufacturing processes web course course outline the course covers the details of the advanced machining theory and practices, advanced machining processes. Abrasive water jet cutting of material involves the effect of a high pressure velocity jet of water with induced abrasive particle on to. Waterjet machining has several advantages over other methods. Water jet and abrasive water jet machining youtube. Course design and instruction of engineering courses multidisciplinary. Water jet travels at velocities as high as 900 ms approximately mach 3.
1142 842 1428 1230 735 595 844 1300 1112 1166 1097 1448 823 1012 1027 1271 1467 525 786 1025 422 1078 73 565 1345 6 134 1003 263 990 147 348 1168 1410 82 984 1053 81 848 454 104