The tophat beam profile of laserlines diode lasers creates very even molten pools and allows for a calm process control that leads to homogeneous, crackfree material layers. Electron beam machining is process in which high velocity electrons are concentrated in a narrow beam and then directed towards the workpiece for machining. Sharma, department of mechanical engineering, iit roorkee. Arnold abstract lasers provide the ability to accurately deliver large amounts of energy into con. It is a nontraditional machining process in which no physical tool is used. Ppt laser beam machining lbm powerpoint presentation. Laser machining production engineering i meng 3221. Ppt laser beam machining lbm powerpoint presentation free. Introduction laser beam machining lbm is a novel thermal energy based advanced machining process which can be used for machining a wide range of materials. Laser beam machining used light energy from a laser to remove material by vaporization and ablation energy is concentrated optically laser emits either continuous or pulsed light beam 5 source. Chapter 4 fundamentals of lasermaterial interaction and. It offers its competences from macro machining to micro and nanomachining of simpletocomplex shapes. Laser beam machining an overview sciencedirect topics.
Laser beam machining lbm is a non conventional machining manufacturing process, a form of machining, in which a laser is directed towards the work piece for machining. Download laser communications complete documentation with ppt and pdf for free. Control parameters optimization of laser beam machining. Laser beam machining process uses highly coherent light source. Often, these beams are within the visible spectrum of light. Ppt laser beam machining lbm powerpoint presentation free to download id. Find powerpoint presentations and slides using the power of, find free presentations research about electron beam machining ppt. Laser beam machining latst authorstream presentation. A laser device excites the atoms in a lasing medium.
Laser cutting services are part of any reputable machining provider, since it offers and affordable and accurate way of producing almost any shape in plate or sheet metal. Laserbeam machining lbm laserbeam machining is a thermal materialremoval process that utilizes a highenergy, coherent light beam to melt and vaporize particles on the surface of metallic and nonmetallic workpieces. Laser beam machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying. Laser beam machining lbm is one of the most widely used thermal energy based noncontact type advance machining process which can be applied for almost whole range of materials. Laser beam machining lbm kcg college of technology. Electron beam machining has been used in industry since the 1960s, initially in nuclear and aerospace. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam impinges on work piece. Current research and development in laser beam machining. This page contains laser communications seminar and ppt with pdf report. Major applications of laser beam is in cutting of metals and non metals, soft. The underline working principle of laser was first put forward by albert einstein in 1917 though the first industrial laser for experimentation was developed around 1960s. Ppt laser beam machining powerpoint presentation free to download id.
Applications 1 processing of all kinds of materials like plastic,leather,cork etc. Ppt laser beam machining powerpoint presentation free. In this process, a laser beam is focused for melting and vaporizing to. View and download powerpoint presentations on electron beam machining ppt. Current research and development in laser beam machining \lbm\. Laser micromachining is a versatile process and is used widely for machining plastic, glass, metal as well as preparing thin foils. Laser beam machining lbm, response surface methodology rsm, genetic algorithm ga, optimization. Technical seminar topics for mechanical engineering with ppt. Explore micromachining with free download of seminar report and ppt in pdf and doc format. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. Lbm is one of the advanced machining processes which are used for shaping almost whole range of engineering materials. This will generate high heat energy and melts and vaporize metal from work piece. The light produced is a coherent, monochromatic and collimated beam which can be focused to small spots of diameter of 0.
In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. Welcome to this session on laser beam machining under the course advanced manufacturing processes. Whether you require 2d or 3d laser cutting services, the well equipped machining shop will be able to exceed your expectations. Laser beam machining lbm is one amongst the foremost widely used thermal energy based noncontact kind advance machining method which may be applied for nearly whole vary of materials. The machining results of laser cutting depend on both machining process parameters and laser parameters. View electron beam machining process ppts online, safely and virusfree. Laser beam machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending etc.
Laser beam machining lbm is a thermal energy based advanced machining process in which the material is removed by i melting, ii vaporization, and iii chemical degradation chemical bonds are broken which causes the materials to degrade. The electrons of these atoms move to a higher orbit, then release photons, creating a laser beam. Laser material interactions a great advantage of laser machining is capability to machine any kind of material, not necessarily conductive, depending on laser intensity and interaction time. Laser beam machining by mickey211092 this is ppt all about laser beam machining which is a unconventional machining process that can be used even on those materials that cant be machined with conventional processes. Liquidassisted laser beam machining lalbm process is used as an alternative to existing laser beam machining lbm process to address the problems associated with the extreme heat of the laser. Laser micromachining an overview sciencedirect topics. Laser beam machining full seminar reports, pdf seminar abstract, ppt, presentation, project idea, latest technology details, ask latest information. Laserbeam machining is a thermal materialremoval process that utilizes a high energy, coherent light beam to melt and vaporize particles on the surface of. This paper provides a technical overview of the unique features of the electron beam welding process including several applications. Report,ppt download mechanical mcq objectives question and answers. Laser beam machining free download as powerpoint presentation.
Ppt laser beam machining powerpoint presentation, free. This page contains micromachining seminar and ppt with pdf report. This is ppt all about laser beam machining which is a unconventional machining process that can be used even on those materials that cant be machined with conventional processes. Laser beam machining lbm is a non conventional machining manufacturing process, a form of machining, in which a laser is directed towards the work piece. Bijoy bhattacharyya, biswanath doloi, in modern machining technology, 2020. In fact, its a subtractive manufacturing process in which a laser beam is used for cutting through the metals and other materials for. Laser power, spot diameter of the laser beam, cutting speed, feed rate and depth of. Electron beam welding process, applications and equipment. Electron beam machiningebm free download as powerpoint presentation. Laser beams are being used for a variety of industrial applications, including heat treatment, welding, measurement as well as cutting, drilling, slitting, slotting. Laserbeam machining is a thermal materialremoval process that utilizes a highenergy, coherent light beam to melt and vaporize particles on the surface of. Laser beam machining an introduction laser stands for light amplification by stimulated emission of radiation. A laser beam is a powerful, narrow, monochromatic and directional beam of electromagnetic radiation.
The adaptability of laser beam machining allows them to perform more than one function, and the wide range of industries that often use laser beam machining technology includes automakers and jewelers. Laser beam machining lbm has proven its applications and advantages over almost all the range of engineering materials. A free powerpoint ppt presentation displayed as a flash slide show on id. Today we will learn about laser beam machining principle, working, equipments, application, advantages and disadvantages with its diagram. This beam can be focused by means of a lens on a very small. Laser beam machining full seminar report, abstract and.
Such processing is carried out utilising the energy of coherent photons or laser beam, which is mostly converted into thermal energy upon interaction with most of the. It can travel over great distances or can be focused to a very small spot with a brightness which. What happens if you focus a 5w laser with a giant magnifying glass. Laser beam machining, laser beam hybrid machining, and. Micromachining seminar report, ppt, pdf for mechanical. Seminar on non conventional machining report download. Download the seminar report for laser beam machining. 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. Presentations ppt, key, pdf logging in or signing up. In contrast to some other processes, laser operates using high energy photons therefore there is not a typical tool as the laser beam directly targets. Also explore the seminar topics paper on micromachining 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. On this channel you can get education and knowledge for general issues and topics. Download full technical seminar topics for mechanical engineering with ppt in doc, pdf or ppt format.
Weld cross sections of production parts will be shown to demonstrate obtainable weld shapes. Laser beam machining is a thermal machining process which uses laser beam to produce heat. Electron beam machining ebm and laser beam machining lbm are thermal processes considering the mechanisms of material removal. Chapter 4 fundamentals of lasermaterial interaction and application to multiscale surface modi. The adobe flash plugin is needed to view this content. Hence, it was realize to develop some nonconventional machining methods known as advanced machining processes. Collection of technical seminar topics for mechanical engineering with ppt. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Parametric analysis of cutting parameters for laser beam. The laser is light amplification by stimulated emission of radiation, and laser beam machining is a nontraditional way of manufacturing.
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