Apparatus for developing and handling an abrasive laden gas stream for abrasive jet machining, employing equipment for storage, feeding, and control of abrasive powder in a carrier jet delivered through an upright feed tube at relatively high pressure and velocity. Water jet machining wjm called hydrodynamic or equipment may be used for applications similar to the laser. In abrasive jet machining, a focused stream of abrasive particles, carried by. 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. Abrasive water jet awj cutting is a green machining and processing technology that has found extensive applications for a long time because of its being cold, damage free and sensitive cutting. Abrasive jet machining ajm is commonly used for cutting, cleaning, drilling and etching operation please find the attached file here. 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 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. When the water stream strikes a work piece surface, the erosive force of water removes the material rapidly. Abrasive jet machining ajm is the process of material removal from a work piece by the application of a highspeed stream of abrasive particles carried in a gas medium from a nozzle. Abrasive jet micro machining ajmm is a relatively new approach. Abrasive waterjet machining 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.
Abrasive jet machining slides the best slides in least cost. Gas may be supplied either from a compressor or a cylinder. If so, share your ppt presentation slides online with. Modern machining processes presents unconventional machining methods which are gradually commercial acceptance. Seminar abrasive jet machining full report download introduction to abrasive jet machining abrasive jet machining ajm is nontraditional manufacturing process. Jan 22, 20 water jet cutting if the cutting edge quality of flame cutting fulfills the requirements, then flame cutting is more cost effective than water jet cutting. Machining is the broad term used to describe removal of material from a workpiece includes cutting, abrasive processes grinding, advanced machining processes electrical, chemical, thermal, hydrodynamic, lasers automation began when lathes were introduced in 1700s now have computer numerical control cnc machines. 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. Oct 04, 2017 abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and micro abrasive blasting,1 is an abrasive blasting machining process that uses abrasives propelled by a. Since the process is non thermal, nonchemical and nonelectrical it creates no. Magnetic abrasive finishingmaf seminar reportpdfppt download.
Abrasives gas propulsion system supplies clean and dry air. Precision abrasive jet machines can obtain about the same or higher tolerances than lasers especially as thickness increases. Oct 09, 2016 blockdiagramof abrasive water jet machining. The water, in this case, acts like a saw and cuts a narrow groove in the work piece material. It is the material removal process where the material is removed by high velocity stream of airgas or water and abrasive mixture. Ajm is mainly used to machine hard raw material, produce complex shape. Jan 07, 2012 presentation of abrasive jet machining 1.
Air, nitrogen and carbon dioxide to propel the abrasive particles. Waterjet cutting seminar report, ppt, pdf for mechanical. The material is placed on a grid above the water tank, which serves the purpose of disbursing and capturing the energy of the. View water jet machining ppts online, safely and virus free. In this process chips are not formed like conventional machining processes e. Gino dini universit di pisa abrasive water jet machining awjm fluido con abrasivo ugello pezzo profondit di taglio portata di abrasivo.
An abrasive is small, hard particle having sharp edges and an irregular shape. Ppt abrasive waterjet cutting powerpoint presentation. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. The process makes use of an abrasive jet with high velocity, to remove material and provide smooth surface finish to hard metallic workpieces. A waterjet machine uses a pump to eject water at an extremely high pressure of over 6,000 bars through a nozzle to cut. Water jet machining working principle, advantages and. Abrasive jet machining ajm ppt video online download.
Water jet machine widely used for cutting plastic, cloth, rubber, paper and leather, because of the lack of heat it produces kerf very narrow, and if set up correctly. Scribd is the worlds largest social reading and publishing site. Abrasive jet machining effect of exit gas velocity and abrasive particle density. Abrasive jet machining is one of the unconventional machining processes which, using various operations such as deburring, polishing, cutting etc.
Nontraditional manufacturing processes chemical machining cm electrochemical machining ecm electrodischarge machining edm laser cutting ultrasonic machining usm a free powerpoint ppt presentation displayed as a flash slide show on id. Seminar on abrasive waterjet machiningnonpollution machining machining of eccentric sheave on cnc complete project report ebook free download doc. Abrasive water jet cutting the following presentation contains facts about how abrasives are used in water jet cutting. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Wjm can be used to cut softer materials like plastic, rubber or wood. The abrasive jet machining is the process of impinging the highspeed stream of abrasive particles by highpressure gas or air on the work surface through a nozzle and metal removal occurs due to erosion caused by highspeed abrasive particles. Abrasive jet machining ajm, also known as abrasive microblasting, pencil blasting and micro abrasive blasting,1 is an abrasive blasting machining process that uses abrasives propelled by a. Ppt abrasive waterjet machining powerpoint presentation.
Magnetic abrasive finishingmaf seminar reportpdf ppt download. Global waterjet machine market 20152019 waterjet machines provide an efficient method of producing intricate components of machines with relative ease and precision. Ppt abrasive%20jet%20machine powerpoint presentation free. 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. Seminar abrasive jet machining full report download. Pure water jet is used to machine softer materials.
Ppt abrasive water jet machining powerpoint presentation free to download id. May 20, 2017 it is based on the principle of water erosion. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. Increased mass flow rate of abrasive will result in a decreased velocity of fluid and there by decreases the available energy for erosion and ultimately the mrr. Abrasive processes are usually expensive, but capable of tighter tolerances and better surface finish than other machining processes. All aspects of mechanical, electrochemical and thermal processes are comprehensively covered. The adobe flash plugin is needed to view this content.
Process is free from chatter and vibration as there is no contact between the tool. This project was done and completed under the guidance of er. Maintenance on the abrasive jet nozzle is simpler than that of a laser, though probably just as frequent. It facilitates versatile and effective machining, cutting, and shaping of metals and other materials. Introduction to water jet it is a tool capable of slicing metal or other materials using a jet of water at high velocity and pressure the process is same as water erosion found in nature but is greatly accelerated and concentrated. Ppt nontraditional machining processes powerpoint presentation free to download id. Seminar on abrasive waterjet machining nonpollution machining machining of eccentric sheave on cnc complete project report ebook free download doc. A study of effect of process parameters of abrasive jet machining. Ppt abrasive water jet machining powerpoint presentation. The following are some of the important process parameters of abrasive jet machining. 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. Common uses include cutting heatsensitive, brittle, thin, or hard materials. The variables that influence the rate of metal removal and accuracy of machining in this process is. Abrasive jet machining ajmis a nontraditional machining process that can machine material without generating heat and shock.
For example in laser jet machining, machining is carried out by laser beam. Common uses include cutting heatsensitive, brittle, thin, or. After laser cutting after waterjet cutting waterjets vs. 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. 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. Ppt nontraditional manufacturing processes powerpoint. The versatility of the abrasive water jet in cutting almost any engineering material is a very special feature of this technology. Abrasive jet machining effect of mixing ratio on material removal ratemrr. Abrasive waterjet machining is the property of its rightful owner. Ajm is inherently free from chatter and vibration problems. Types of abrasive materials different types of abrasive are used in abrasive jet machining like garnet, aluminum oxide, olivine, silica sand, silicon carbide,etc.
This can be used to remove corrosion from metals, making holes and cutting of a composite material. Abrasive jet machining hindi by easy engineering youtube. 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. 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. A free powerpoint ppt presentation displayed as a flash slide show on id. It also provides information about the largest garnet abrasive manufacturers and exporters in india, like vv mineral. Common examples include grinding, honing, and polishing. Abrasive jet machining ajm presentation transcript. Abrasive jet machining project report faadooengineers. Abrasive jet machining ajm introduction a high speed stream of abrasive particles mixed with high pressure air or gas are injected through a nozzle on the workpiece to be machined process parameters mass flow rate abrasive grain size. Abrasive jet machining ajm is nontraditional manufacturing process.
Powerpoint ppt presentation free to download bacoff cleaning products instead of depending on new research and innovation, hermitage bought you the best ecofriendly products which are. When a highvelocity jet of water strikes the surface, the removal of material takes place. View electrochemical machining ppts online, safely and virus free. High velocity jet is aimed at a surface under controller condition. Some of the job shop industries and manufacturers claim to have successfully used awjm in free form surface generation by milling as shown in the following web.
Abrasive jet machining ajm case studies powerpoint ppt presentation. Virtually any material can be cut by using abrasive jet machining method, i. 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. Abrasive jet machine index introduction to ajm component of ajm working parameter of ajm conclusion introduction of ajm abrasive jet machining. Abrasive flow machining afm was developed in 1960s as a method to deburr, polish, and radius difficult to reach surfaces like intricate geometries and edges by flowing a abrasive laden. Water jet cutting technology ankit pal me5th sem 0902940012 2.
The purpose of this study is to optimize the operational parameters. Introduction to water jet machining process advantages. 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. This chapter provides an overview of various issues related to the machining of composites in traditional techniques followed by detailed fundamental scientific aspects of the abrasive water jet. Sep 11, 2015 abrasive jet machining effect of exit gas velocity and abrasive particle density. You can visit similar threads as well for more free pdf and get yourself updated. Water jet cutting provides benefits with respect to the surface, because depending on the process there are no weld spatters and no burr formation. Abrasivejet machining ajm modern machining process. Abrasive jet machining ajm is the process of material removal from a work piece by the application of a highspeed stream of abrasive particles carried in a gas or air medium from a nozzle. Water jet cutting a technology on the rise october 2010 page 5 fig.
The cutting action is cool because the carrier gas serves as a coolant. Ppt abrasive jet machining ajm case studies powerpoint. But to cut harder materials, some abrasive particles mixed with the water for machining and it is called as awjm abrasive water jet machining abrasive. Abrasive jet machining pptpdfseminar faadooengineers. Abrasive jet machining free download as powerpoint presentation.
969 492 361 87 1047 1004 1302 1002 1350 1348 897 1077 580 17 1369 776 1510 1053 859 1506 413 1190 1497 381 1220 402 1367 1074 1459 1023 1019 774 358 636 1159