Water jet and abrasive water jet machining youtube. Water jet machining working principle, advantages and. If more time is needed it will be billed seperately. 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. Nontraditional machining mechanical engineering, iitb. Techsense saves on scrap parts and cuts down on wasted time by alerting us if the nozzle is clogged or if we run out of abrasive. Stabilizers are substances that improve the quality of water jet by preventing its fragmentation. It involves the use of high velocity water jet to achieve material removal or machining. The impact of free abrasive particles on the work surface.
Process is free from chatter and vibration as there is no contact between. The maximum xy motion travel will establish the cutting window or largest work piece for a specific table. Robot waterjet can cut an automobile interior in any angles and separate scraps automatically. Water jet machining free download as powerpoint presentation. Principles of abrasive water jet machining radovan kovacevic, andreas w. The main advantage of the technology compared to other cutting processes is in the cold cutting process. The water used in water jet machining may or may not be used with stabilizers. Jun 29, 2017 in water jet machining wjm process, water jets alone without abrasives can be used for cutting.
It uses the kinetic energy of water particle to erode metal at the contact surface. Jain advanced machining processes, authored by vijay k. Introduction since ages, nature has proven that even the hardest materials change their form and shape when water is applied to them. Introduction to nontraditional machining iit kanpur. Abrasive waterjet cutting is an important shape cutting technique. When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Baileigh cnc water jet water jet cutting machine baileigh.
Water jet machining water jet machining wjm is a mechanical energy based nontraditional machining process used to cut and machine soft materials. A free powerpoint ppt presentation displayed as a flash slide show on id. Ultrasonic, abrasive jet and abrasive water jet machining lecture 2. It provides information on updated and advanced machine processes that are. Find water jet cnc machines related suppliers, manufacturers, products and specifications on globalspec a trusted source of water jet cnc machines information. Sharma, department of mechanical engineering, iit roorkee. Water jet machining machining building engineering. Waterjet machining has several advantages over other methods.
In abrasive water jet machining awjm, abrasive particles are to prepared. Nptel provides elearning through online web and video courses various streams. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. Non traditional abrasive machining processes nptel. Water jet cutting a technology on the rise october 2010 page 2 1. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. The mechanism of material removal rate is by erosion. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. Wjm can be used to cut softer materials like plastic, rubber or wood. Waterjets going to perform almost identically in almost any material. In water jet machining wjm process, water jets alone without abrasives can be used for cutting. Ultrasonic, abrasive jet and abrasive water jet machining digimat.
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. The accuracy and edge quality of awj is similar to laser for thin sheet metal. Principle of water jet machinethis process works on the basic principle of water erosion. Jan 07, 2012 presentation ofabrasive jet machining 1. The intecg2 is based on the same design platform as the techjetx3. Composites materials are getting difficult to machine owing to its constituents properties, fiber orientation and relative volume fraction of matrix. Water jet machining wjm and abrasive water jet machining awjm are. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Awjm is applied for several purpose like drill, cutting, cleanup, and engraving operation. Water jet travels at velocities as high as 900 ms approximately mach 3. In abrasive jet machining, a focused stream of abrasive particles, carried by high pressure.
This allows you to walk away and perform other tasks while the machine is running. Onsite training does not include initial set up of machine and is a maximum of 2 days. 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. It also requires the capability of an accurate and easy pattern transfer, and. In this process, a highspeed wellconcentrated water jet is used to cut the metal. The structures created by this phenomenon can be both useful and beautiful. The ultimate guide to waterjet the modern waterjet waterjet cutting technology is one of the fastest growing major machine tool processes in the world. Krushna prasad pradhan in partial fulfillment of the requirements for the award of bachelor of technology degree in mechanical engineering at the national institute of. An abrasive is small, hard particle having sharp edges and an irregular shape. Generally, it cuts with superior quality than heat cutting methods and with less cost and quality than electrical discharge machining edm. In abrasive jet machining, a focused stream of abrasive particles, carried by high. Thin jets of high pressure and high velocity have been used to cut materials such wood, coal, textiles, rocks, concrete, asbestos. Our selection of waterjet machining systems includes cutting windows from 4 feet x 8 feet up to 12 feet x 18 feet. Since the process is non thermal, nonchemical and nonelectrical it creates no.
The main attraction of edm over traditional machining processes such as metal cutting. Jain, is a comprehensive book for students pursuing mechanical engineering. As the jet approaches a corner, it becomes necessary to slow the motion down so the bottom of the jet can catch up to the top, and be perpendicular to your material. To learn more or download a free trial, click the bobcadcam logo above. This lag can usually be ignored when cutting in a straight line, but becomes critical when near a corner. 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. 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. Department of automobile engineering, karpagam university, coimbatore641021.
Non traditional manufacturing processes an overview. Scott wirtanen, regional sales manager at jet edge, also emphasized the versatility of waterjet cutting. Paul,department of mechanical engineering, iit kharagpur. Oct 23, 2008 lecture series on manufacturing processes ii by prof. Abrasive jet machining ajm is a nontraditional machining process that can machine material without generating heat and. Abrasive water jet machiningbasic terms and working. For a good understanding of water jet machining, refer the schematic diagram above. Non traditional abrasive machining processesultrasonic, abrasive. 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. High velocity jet is aimed at a surface under controller condition. Abrasive jet micro machining ajmm is a relatively new approach to the fabrication of micro.
For more information on the wj4x4cnc water jet from baileigh industrial contact a representative today. Water jet cutting at davidson fabricating307 download. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. This is to certify that the thesis entitled design and fabrication of abrasive jet machine submitted by mr. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Process is free from chatter and vibration as there is no contact between the tool.
Ppt abrasive waterjet cutting powerpoint presentation. It is similar to abrasive jet machining ajm in water jet machining, high velocity water jet is allowed to strike a given workpiece. Presentations ppt, key, pdf logging in or signing up. The intecg2 can cut almost any material to 8 thick at maximum cutting speeds with minimum capital outlay. 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. Abrasive water jet machining awjm is a nontraditional mechanism which operates material exclusive of producing shock and high temperature.
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