Machining a material removal process in which a sharp cutting tool is used to mechanically cut away material so that the desired part geometry remains most common application. Pdf the versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Browse by manufacturer below to find information most relevant to your needs. Jain, is a comprehensive book for students pursuing mechanical engineering. Our selection of waterjet machining systems includes cutting windows from 4 feet x 8 feet up to 12 feet x 18 feet. Waterjet cutting technology is one of the fastest growing major machine tool processes in the world due to its versatility and ease of operation.
The mechanism of material removal rate is by erosion. Just about any material up to 150mm thick and in some cases thicker can be cut to produce precision components, large or small in simple or the most complex of shapes. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Gas may be supplied either from a compressor or a cylinder. Mathematical modelling in system water jet machining is been analyzed with different aspect ratio. Wjm can be used to cut softer materials like plastic, rubber or wood. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format.
Advanced machining processes nptel online videos, courses iit video lectures. Abrasive jet machining ajm is the process of material. Water jet machining working principle, advantages and. Water jet and abrasive water jet machining youtube. It uses the kinetic energy of water particle to erode metal at the contact surface. Material is eroded from the work piece at the impact location of the liquid jet. Introduction, abrasive jet machining ajm, working principle of ajm, material removal process, process parameter, water jet cutting or water jet machining wjcwjm, working principle of wjm, types of water jet, process parameters, ultrasonic machining usm, working. Waterjet cutting is a process that offers cost effective manufacturing solutions across a broad spectrum of applications. Waterjet machining has several advantages over other methods.
Abrasive jet machining pptpdfseminar faadooengineers. Scribd is the worlds largest social reading and publishing site. Images courtesy of jet edge, omax and flow international. Abrasive water jet machining was introduced to manufacturing ten years ago and has been increasingly used for treating hardtomachine and multilayered materials and as an alternative tool for milling, turning, drilling and polishing.
Overview of how waterjets work, what they can cut and the advantages of waterjet cutting. Water jet cutting also called water jet machining or w jm is similar to laser beam. Nptel mechanical engineering manufacturing processes ii. Waterjet cutting seminar report, ppt, pdf for mechanical. 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. Principle of water jet machinethis process works on the basic principle of water erosion. Air, nitrogen and carbon dioxide to propel the abrasive particles. On this channel you can get education and knowledge for general issues and topics. Lecture series on manufacturing processes ii by prof. Waterjet machine can use by artist or those institute who teach art work. Paul,department of mechanical engineering, iit kharagpur.
Machine shops of all sizes are realizing greater efficiency and productivity by. 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. In addition to precise cutting of various materials as presented, many special applications i. Waterjet cutting is a nonconventional machining method that makes use of highpressure water jets with i. It also includes micronanofinishing processes viz, abrasive flow finishing, magnetic abrasive finishing, etc. Abrasive jet machining is the nonconventional material elimination method.
Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock. 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. Laser properties speed is given by material, its thicknes and power of the machine. You dont get much closer to the spirit of engineering than in the beginnings of waterjet cutting. Part 1 deals with mechanical type advanced machining processes such as ultrasonic machining, water jet machining, abrasive water jet machining. Home our books engineering books me branch newer machining method. Pdf use of water jet has been in existence for over twenty years, but it is yet to reach its full potential in the construction industry. The purpose of this brochure is to give the reader a rough overview of waterjet cutting. Parts can be cut to exacting tolerances and into any shape. 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. Just like any good market, the competition is getting fiercer across all categories. Cutting of food products by iceparticles in a waterjet.
When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Part 2 deals with thermal machining processes for example, electric. Manufacturers are realizing that there are virtually no limits to what waterjets are capable of cutting and machining. It provides information on updated and advanced machine processes that are used today. It is an efficient machining method for processing a range of hard and brittle objects and has a variety of distinctive advantages over the additional nontraditional cutting technology, such as, high. Machining processes have existed for a long time but it was only after the scientific study of these processes which started some fifty years ago that major improvements in tool design, tool materials and machining techniques where brought about. Abrasives gas propulsion system supplies clean and dry air. Generally, it cuts with superior quality than heat cutting methods and with less cost and quality than electrical discharge machining edm. Waterjet machining uses a high velocity narrow jet of a liquid water to cut materials. Water jet machining the cutting edge of technology introducing our new abrasive water jet machining center.
The technology developed in research laboratories cannot be brought to the shop floor unless its applications are realized by. The ultimate guide to waterjet the modern waterjet waterjet cutting technology is one of the fastest growing major machine tool processes in the world. This is to certify that the thesis entitled design and fabrication of abrasive jet machine submitted by mr. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. A short lecture series on contour integration in the complex plane. Water jet cutting a technology on the rise october 2010 page 1 foreword. Water jet travels at velocities as high as 900 ms approximately mach 3. This book is an attempt to consolidate the basic scientific studies in the machining area so that fundamental mechanics and other concepts. In water jet machining wjm process, water jets alone without abrasives can be used for cutting. Abrasive waterjet cutting is an important shape cutting technique. Composites materials are getting difficult to machine owing to its constituents properties, fiber orientation and relative volume fraction of matrix. The maximum xy motion travel will establish the cutting window or largest work piece for a specific table.
Lecture 37 water jet machining and abrasive water jet. 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. This lag can usually be ignored when cutting in a straight line, but becomes critical when near a corner. The advantages and disadvantages of waterjet cutting. Water jet cutting works for both small and large parts. Price control the ability to stack and rapidly cut materials and use an automated process typically delivers a lower cost than conventional machining or fabricating. Nptel provides elearning through online web and video courses various streams. Cutting rates for various materials and thicknesses using a co2 laser ipm material thickness 0. The wall shear stress is analyzed during cuting process and the effect of nozzle jet diameter. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses.
In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Manufacturing knowledge menu waterjet cutting services. There are virtually no limits to what waterjets can cut, which is why companies of all kinds and sizes are realizing greater efficiencies and productivity by implementing waterjets in their. Water jet machining free download as powerpoint presentation. Thin jets of high pressure and high velocity have been used to cut materials such wood, coal, textiles, rocks, concrete, asbestos.