Plasma arc machining process working animation video. On this channel you can get education and knowledge for general issues and topics. Here a steam of high speed electrons impinges on the work surface so that the kinetic energy of electrons is transferred to work producing intense heating. International journal of advanced manufacturing technology. The arc transfers to workpiece once torch is within 18 of workpiece. Similar to gtaw tig, the plasma arc welding process uses this plasma to transfer an electric arc to a work piece. The plasma welding process was introduced to the welding industry in 1964 as a method of bringing better control to the arc welding process in lower current ranges. Plasma arc machining free download as powerpoint presentation. Protective equipment for plasma welding is as described for tig in job knowledge for welders no 17. Principles equipment types beam control techniques applications. Download full seminar topics for automobile engineering in doc, pdf or ppt format.
The plasma arc cutting process is illustrated in fig. The key difference from gtaw is that in paw, by positioning the electrode within the body of the torch, the plasma arc can be separated from the shielding gas envelope. Download full technical seminar topics for mechanical engineering with ppt in doc, pdf or ppt format. Plasma nitriding process powerpoint ppt presentations. Plasmaarc machining pam employs a highvelocity jet of hightemperature gas to melt and displace material in its path. The plasma welding process was introduced to the welding industry in 1964 as a method of bringing better control to the arc. Ppt plasma arc welding powerpoint presentation, free download. Here we discuss the fundamentals, characteristics, classification and need of modern non traditional machining processes.
The electrode and workpiece are immersed in a dielectric liquid, and a feed mechanism maintains a spark. Ppt of plasma arc welding, detailed overview paw slideshare. Arc welding process that produces coalescence of metals by heating them with a constricted arc between an electrode and the work piece. The plasma arc torch has a space or area surrounding. When a flowing gas is heated to a sufficiently high temperature of the order of 16,500c to become partially ionised, it is known as plasma. Regarding protection from arc light, a similar shade number to tig at the same welding current level should be used in head or hand shield. View plasma nitriding process ppts online, safely and virusfree. Called pam, this is a method of cutting metal with a plasma arc, or tungsten inertgas arc. As shown in the figure, there are four types of matter solid, liquid, gas and plasma. Pac uses a plasma stream operating at temperatures in the range from 10,000 to 14,000. Plasma arc machining pam employs a highvelocity jet of hightemperature gas to melt and displace material in its path. Find powerpoint presentations and slides using the power of, find free presentations research about electron beam machining ppt. Ultrasonic machining is a special processing that uses ultrasonic frequency as a tool for small amplitude vibration and slamming the surface of the workpiece by the slamming action of the abrasive which is free from the liquid between the workpiece, which is abbreviated as usm. Plasma arc machining working principle best engineer youtube.
Depending upon the intensity of heating the workpiece can melt and vaporize. Electron beam machining ebm advantages and disadvantages electron beam machining is a thermal process used for the metal removal during the machining process. The the plasma arc welding paw and cutting process was invented by robert m. Find powerpoint presentations and slides using the power of, find free presentations research about electrical discharge machining ppt. In plasmaarc welding paw is an arc welding process, a concentrated plasma arc is produced and directed towards the weld area. Plasma cutting machine market size, share and growth analysis by 2025. Plasma arc welding and machine seminar reportpdf ppt download introduction. Welcome to the course on advanced machining processes.
With a power source, plasma torch, compressed air, electrical power, and a supply of tips and electrodes, plasma arc cutting machines can rapidly and precisely cut through, gouge, or pierce any electrically conductive metal without preheating and with a minimal heataffected zone. Taking plasma cutting training to the next level hypertherm develops material for educators. Latest top 343 technical seminar topics for mechanical engineering with ppt. Plasma cutting is a process that cuts through electrically conductive materials by means of an accelerated jet of hot plasma. Instead of diverging into open arc, the nozzle constricts arc into a small cross section.
Pass a written test on safety and operating procedures of the plasma arc cutter with 100 percent accuracy. Plasma arc cutting process and equipment considerations. Plasma torch in pam, electric arc constricts from nozzle, generates basic plasma jet. This process was unique because it could do precision cutting on both thick and thin metal. Content introduction keywords plasma arc welding equipment how it works. The arc is constricted with the help of a watercooled small diameter nozzle which squeezes the arc, increases its pressure, temperature and heat intensely and thus improves arc stability, arc. The term plasma, as employed in physics, means ionized particles. This channel is formed by faculty from bit to enhance the knowledge of students towards technical and fundamentals this video explains plasma arc machining. Nontraditional processes ntp nontraditional cutting.
Hatala michal faculty of manufacturing technologies of the technical university of kosicesturova, the principle of plasma cutting technology and six fold plasma cutting, 5th international multidisciplinary conference. This channel is formed by faculty from bit to enhance the knowledge of students towards technical and fundamentals plasma arc machining is used for variety of industrial application. We manufacture a full line of products for welding schools, light to heavy duty metal fabricators, maintenance shops, home use and more. Working of ultrasonic machining usm process parameters. Working principle of electron beam machining in the electron beam gun the electric beam is. View and download powerpoint presentations on electron beam machining ppt. Plasma arc welding paw is an arc welding process similar to gas tungsten arc welding gtaw. Plasma arc machining pam plasma arc machining is a nontraditional thermal process. Operators will receive procedures and bestpractices for proper installation and setup of plasma cutting equipment in order to achieve optimal performance and operational longevity. Plasma cutting machine market is anticipated to gain substantially from the geographical expansions of established market participants.
Me477 fall 2004 kwon 3 electric discharge machining edm most widely used among nontraditional processes sparks lightening. Plasma arc cutting is the process in which the metal is cut by melting a localized area with a constricted arc and removing the molten material with a high velocity jet of hot, ionized gas. Apr 21, 2015 introduction the plasma arc machining process was introduced to the industries in 1964 as a method of bringing better control to the arc welding process in lower current ranges. The arc is constricted with the help of a watercooled small diameter nozzle which squeezes the arc, increases its pressure, temperature and heat intensely and thus improves arc stability, arc shape and heat transfer characteristics. Mar 17, 2016 electron beam machining ebm is a thermal process. With the unveiling of processes such as plasma arc or electrochemical erosion, the. Advantages and disadvantages of plasma arc welding,cutting. Plasma is defined as a gas that has been heated to a sufficiently high temperature to become partially ionized and therefore electrically conductive. Plasma arc welding process principle, main parts, working. View and download powerpoint presentations on electrical discharge machining ppt. Thermal spray coating study of different thermal spray coating processes, components and steps in spray coating. Called pam, this is a method of cutting metal with a plasmaarc, or tungsten inertgasarc, torch. The metal to be welded is melted by the intense heat of the arc and fuses together. 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.
Plasmaarc machining pam employs a highvelocity jet. Plasma arc welding and machine seminar report pdf ppt download introduction. Explore waterjet cutting with free download of seminar report and ppt in pdf and doc format. These system components provide the electrical energy, ionization capability and process control that is necessary to produce high quality, highly productive cuts on a variety of different materials. The focus on this project is to obtain an optimum condition setting to obtain maximum mrr and minimum the surface roughness sr. Machine tool electricaldischarge machining edm britannica. The electric arc is formed between an electrode which is usually but not always made of sintered tungsten and the workpiece. Advantages and disadvantages of plasma arc welding and arc cutting. Plasma arc cutting system the basic plasma arc cutting system consists of a power supply, an arc starting circuit and a torch. Mar 16, 2018 download the seminar report, notes, ppt and journals on the topic unconventional manufacturing process. Instead of welding, the metal was cut by the plasma jet. The plasma arc process has always been seen as an alternative to the oxyfuel process.
Plasma arc machining pam kcg college of technology. Holding torch firmly to workpiece causes nozzle to stick and makes smooth cutting difficult. This page covers advantages and disadvantages of plasma arc welding and arc cutting. Plasma can also be used for plasma arc welding and other applications 24. Nov 05, 2017 this channel is formed by faculty from bit to enhance the knowledge of students towards technical and fundamentals this video explains plasma arc machining pam in details with explanation of all. It mentions advantages of plasma arc weldingcutting and disadvantages of plasma arc weldingcutting.
In this part of the series the process fundamentals are described with emphasis being placed on the operating features and the advantages of the many process variants. These methods form a group of processes which removes excess material by various. Usm is grouped under the mechanical group ntm processes. Plasma arc machining pam methods machining engineering. Automation is available with portable trolleys rail. Plasma arc machining process, diagram, advantages and. Oct 15, 20 a typical value of temperature obtained in a plasma jet torch may be of the order of 50,000f against about 10,000f in ordinary electric welding arc. Gtaw the gtaw process, also known as the tig tungsten inert gas or wig wolfram inert gas process, is illustrated in the above figure. We provide list of latest seminar topic for mechanical engineering.
Electric discharge wire cutting electron beam machining laser beam machining plasma arc machining. Nov 05, 2017 this channel is formed by faculty from bit to enhance the knowledge of students towards technical and fundamentals plasma arc machining is used for variety of industrial application. Plasma assisted milling of hrsa seminar report, ppt, pdf. In paw the heat source is an arc maintained between a nonconsumable electrode and the workpiece the arc is constricted by a cooled orifice that surrounds the electrode inert gas is supplied separately to the orifice and to a surrounding lowvelocity shielding flow p2. Plasma cutting really shines in some niche applications, such as cutting expanded metal, something that is nearly impossible with oxyfuel. Aim of the presentation give brief information about electro chemical machining process show the ecms working principles and tools define the advantages and disadvantages brief informations about application areas, economics, products and developments. A concentrated plasma arc is produced and directed toward the weld area.
Electron beam machining ebm advantages and disadvantages. Explore plasma assisted milling of hrsa with free download of seminar report and ppt in pdf and doc format. Cnc application and design worcester polytechnic institute. The welding of stainless steels 3 2 stainless steel welding processes 2. Machine tool machine tool electricaldischarge machining edm. Presentations and quizzes explore welding quizzes and presentations from miller, covering topics like mig, tig and stick welding, basic electricity and filler metal selection. Principle of operation plasma arc welding is a constricted arc process. Unconventional manufacturing processes pdf topics for seminar. Scribd is the worlds largest social reading and publishing site.
Plasma arc welding and machining project reports projects. Cnc application and design by patrick collins, charles cummings, wesley dittrich, paul jones, andrew sealey. Ppt plasma arc welding powerpoint presentation free to. Plasma arc welding is an arc welding process wherein coalescence is produced by the heat obtained from a constricted arc setup between a tungstenalloy tungsten electrode and the watercooled constricting nozzle nontransferred arc or between a tungstenalloy tungsten electrode and the job transferred arc. List of mechanical engineering seminar topics with ppt enggroom. Plasma arc machining plasma physics electric arc scribd. Also explore the seminar topics paper on plasma assisted milling of hrsa 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. The plasma is sufficiently hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the cut. Oct 19, 2011 plasma arc welding paw is the process of joining metals that are produced by heating using a constricted arc placed between an electrode and work piece. The topic for the thesis writing is the analysis of process parameters of plasma arc cutting using design of experiment techniques.
Machining is an important manufacturing process that is used in a wide range of. The torch produces a highvelocity jet of hightemperature ionized gas plasma that cuts by melting and displacing material from the workpiece. Plasma arc cutting process and applications for pipefitting. How plasma welding works a plasma is a gas which is heated to an extremely high temperature and ionized so that it becomes electrically conductive. Waterjet cutting seminar report, ppt, pdf for mechanical. Competencies given a properly adjusted plasma arc cutter, accessories, instruction and demonstration of use, each student will be able to.
Experimental investigation of the plasma arc cutting process. Edm involves the direction of highfrequency electrical spark discharges from a graphite or soft metal tool, which serves as an electrode, to disintegrate electrically conductive materials such as hardened steel or carbide. Plasma arc welding and machine seminar reportpdfppt download. Specifically for the service professional, the plasma automation technology seminar provides handson application and classroom training. Cutting dont fire pilot arc into air start cutting from edge of workpiece sparks should come out from bottom of piece.
Plasma arc machining pam employs a highvelocity jet of high temperature gas to melt and displace material in its path. Technical seminar topics for mechanical engineering with ppt. It is also capable of spray coating hardening metal on other metals. The figure depicts how one matter is obtained from the other and vice. Ppt laser beam machining powerpoint presentation free to. A plasma is an ionized very hot gas composed of nearly same numbers of electrons and ions. Me2037me6012 maintenance engineering lecture notes ppt. It mentions advantages of plasma arc welding cutting and disadvantages of plasma arc welding cutting.
However, as with any piece of equipment you need to know how and why it does what it does and the necessary precautions to do the job safely. Today we are going to discuss on plasma arc machining process. Free download latest technical seminar topic and presentation with ppt for mechanical engineering and diploma mechanical engineering students. Pdf experimental investigation of the plasma arc cutting. If they spray on the top, you are moving the torch too fast or dont have enough power to fully penetrate workpiece hold torch lightly on metal or just off metal. And, compared to mechanical mean of cutting, plasma cutting is typically much faster, and can easily make nonlinear cuts. Plasma arc cutting is such a simple process you could almost take it out of the box and start using it. Basics of plasma arc cutting vs oxyfuel cutting grainger. Called pam, this is a method of cutting metal with a plasma arc, or tungsten inertgas arc, torch. Arc cutting processes plasma arc cutting air carbon arc cutting other arc cutting processes oxyfuel cutting processes. Electrical discharge machining edm is a wellknown machining. Plasma arc machining process does high temperature and high velocity contracted arc through an amount of gas between the.
Plasma arc machining process, diagram, application, advantages and disadvantages introduction. Typical materials cut with a plasma torch include steel, stainless steel, aluminum, brass and copper, although other conductive metals may be cut as well. Plasma arc machining machine tool technology britannica. However, as with any piece of equipment you need to know how and why.
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