laser beam machining ppt

Laser Beam Welding is a fusion welding process in which two metal pieces are joined together by the use of laser. It is used to machine both metallic and non-metallic material. Laser beam machining (LBM) is one amongst the foremost widely used thermal energy based non-contact kind advance machining method which may be applied for nearly whole vary of materials. Set alert. Kamaraj College of Engg. This whole process takes place in vacuum chamber. The fiber laser can be adjusted to achieve a sharp focus to create fine features. Clipping is a handy way to collect important slides you want to go back to later. ME 677: Laser Material Processing Instructor: Ramesh Singh Dross 12. Laser beam machining (LBM) is one amongst the foremost widely used thermal energy based non-contact kind advance machining method which may be applied for nearly whole vary of materials. In 1967, the British pioneered laser-assisted oxygen jet cutting for metals. In the Electron Beam Machining process, a high velocity focused beam of electrons are used to remove the metal from the workpiece. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. View Notes - 03. Now customize the name of a clipboard to store your clips. magnetorheological . The rough-machining process is a pre-contouring operation with open tolerances and feed rates of 2-4 mm/min, while leaving enough material (approximately 0.2 mm) for the subsequent finishing process. The heat energy contained by the laser beam gets transferred to the surface of the w/p. D.PALANI KUMAR, Beam Machining (EBM) and high-energy coherent photons in case of Laser Beam Machining (LBM). A brief description on LBM Laser Beam Machining (lbm) PPT. Presentation Summary : Expensive equipment required in laser micro machining. 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. The first CO 2 laser, developed in 1964, had a power output of only one milliwatt. 1. Virudhunagar. See our User Agreement and Privacy Policy. Do you have PowerPoint slides to share? if the laser beam area is too small, it may damage the surface. Removal by mechan; ical force; Removal by ablation; Removal by dissolution; Plastic deformation; Laser micro machining. 2 TABLE OF CONTENTS TABLE OF CONTENT ..... 2 LIST OF FIGURES ..... 7 NOMENCLATURE..... 15 LIST OF … Whenever we heard the word Plasma Arc Machining we firstly think about what is plasma? From: Micro Fuel Cells, 2009. File Information. • Machining with laser beams, first introduced in the early 1970s, is now used routinely in many industries. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. ray of light is focussed for melting and vaporizing the unwanted material from the parent material. finishing. It works on the principle that when a high energy laser beam strikes the surface of the workpiece. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. Micromachining Seminar PPT with Pdf Report . These two are mechanical jet processes. 5.9 Laser Beam Machining 5.10 Plasma Arc Machining 5.11 Summary 5.12 Answers to SAQs 5.1 INTRODUCTION Modern machining methods are also named as non-conventional machining methods. Microstructual Analysis Of Heat Treated EN8 Steel, No public clipboards found for this slide. A. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. When a high-intensity laser beam is incident on the surface of the material, the metal surface will be reflected by 60 to 98% of the laser energy and the reflectivity will vary with the surface temperature. Laser beam machining (LBM) is one of the most widely used thermal energy based non-contact type advance machining process which can be applied for almost whole range of materials. Founded in 1980, Laser Mechanisms, Inc. is a designer and manufacturer of laser beam delivery components and articulated arm systems for high power CO 2, YAG, fiber lasers and other wavelengths to suit all facets of industrial applications. The rough-machining operation can be carried out using a variety of tooling strategies optimized to the relevant geometry. History. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. 11. In the Electron Beam Machining process, a high velocity focused beam of electrons are used to remove the metal from the workpiece. 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 can't be machined with conventional processes. In 1965, the first production laser cutting machine was used to drill holes in diamond dies.This machine was made by the Western Electric Engineering Research Center. This will generate high heat energy and melts and vaporize metal from work piece. SAHIL DEV (10406EN016) UNCONVENTIONAL MACHINING PROCESS Abrasive Jet Machining Ultrasonic Machining Laser beam Machining 1 INTRODUCTION • “The smaller the beam going through the part, the sharper the corner,” Nickerson said. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. This process uses thermal energy to remove metal from metallic or nonmetallic surfaces. The laser beams have enough energy and when it strikes the metal pieces produce heat that melts the material from the two metal pieces and fills the cavity. magnetorheological . Thus the beam size should be selected carefully. Ultrasonic machining, water jet machining, abrasive water jet machining.It also includes micro-/nano-finishing processes viz, abrasive flow finishing, magnetic abrasive finishing, etc. Laser beam machining is a thermal machining process which uses laser beam to produce heat. & Tech. It is used to machine both metallic and non-metallic material. A hybrid machining process … Looks like you’ve clipped this slide to already. ray of light is focussed for melting and vaporizing the unwanted material from the parent material. About This File. You can change your ad preferences anytime. Laser Beam Machining – Main Parts, Principle, Working with Application; Advantages. N 1 to achieve the condition of population inversion between E 2 and E 1 at moderate pumping. If so, share your PPT presentation slides online with PowerShow.com. In the case of long-pulse lasers and continuous lasers, the removal of paint is done by vaporization. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. MACHINING There is no … The process used thermal energy to remove material from a metallic surface. For more information contact: Laser Mechanisms, Inc. 25325 Regency Drive. Electron beam machining is a thermal process used for metal removal during the machining process. So, let’s have a close look at what is plasma?When a Our laser beam is 0.3mm diameter and is Sanjeevan and Klemm 466 Pulse duration is the time it takes for the laser to emit one pulse (see figure 3). 10-20mm is the current range for high quality cuts. On this channel you can get education and knowledge for general issues and topics This slide contains the working process of Laser, their types and how they are used for machining purposes. Lasers can be used to cut, drill, weld and mark. Laser beam welding is highly efficient and ideally suited for this purpose. LASER BEAM Laser-beam machining is a thermal material-removal process that utilizes a high- Energy, Coherent light beam to melt and vaporize particles on the surface of metallic and non- Metallic work pieces. This Machine Uses A Laser That Burns Through The Material. The laser beams are focused to the cavity between the two metal pieces to be joined. Mesin Perkakas dan Jenisnya . The laser is electromagnetic radiation. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In this paper; in general potential developments and trends of a particular machining field by extensively evaluating present studies of laser beam machining have been discussed. It is a non-conventional machining process in which no tool is used. The PowerPoint PPT presentation: "LASER BEAM MACHINING" is the property of its rightful owner. Electron beam machining is a thermal process used for metal removal during the machining process. Laser Beam Machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending. Laser processing technology (FIG. Laser beam machining is a thermal machining process which uses laser beam to produce heat. Advanced machining processes. LASER BEAM MACHINING SAHIL DEV (10406EN016) MECH IDD PART V 1 2. finishing Laser beam machining (LBM): Principle of Laser beam machining (LBM): Conversion of electrical energy into heat energy to emit laser beam ; Laser beam is focused over a particular area on workpiece which creates high intensified concentration on work piece because of which the work piece melts, thus giving the required shape. Classification According to Machining phenomena. If you continue browsing the site, you agree to the use of cookies on this website. Laser Beam Machining (LBM) A high intensity beam of focused electrons is used to supply heat for material removal. This parameter is key in determining the fusion zone profile (area of base metal melted) on a workpiece. If you continue browsing the site, you agree to the use of cookies on this website. Laser micromachining enables precise control of the geometry by adjusting the speed and power of the laser beam, and is generally very rapid (∼ few seconds). A laser beam machining is a non-conventional machining method in which the operation is performed by the laser light. Contents Laser Beam Machining Laser Type of Laser Laser Application Parameters Affecting LBM Advantage Disadvantage References 2 3. Water Jet Machining – Working Principle, Advantages and Dis… Fig.1 Laser processing schematic diagram. Learn and grow. In this way the machining of material takes place by the use of laser beam.Also Read: 1. Maintaining of high quality and Uses a power generator (FS laser, Excimer laser) that emits a beam with very high measure energy. D. Batani, “ Laser ablation and laser induced plasmas For nanomachining and material analysis,” in Functionalized Nanoscale Materials, Devices and Systems, edited by A. Vaseashta and I. N. Mihailescu ( Springer Science + Business Media B.V., Dordrecht, 2008), pp. The best part of this process is that we get high cutting rate. LASER MACHINING OF CARBON FIBRE REINFORCED POLYMER COMPOSITE A thesis submitted to The University of Manchester for the degree of Doctor of Philosophy (PhD) in the Faculty of Engineering and Physical Sciences 2016 Adel Salama School of Mechanical, Aerospace and Civil Engineering . It is mostly used to drill holes in any shape. If you continue browsing the site, you agree to the use of cookies on this website. beam Gaseous or Vacuum Laser beam machining Electron beam machining Ion beam machining tool Machining Ultrasonic machining abrasive vibrations Jet cutting high pressure jet EDM tool Chemical machining shield fluid ECM tool electrolyte Flame cutting Plasma cutting torch gas. A. Rangk aRangk a MesinMesin 1. Laser beam machining (english)! These methods form a group of processes which removes excess material by various 2.4 Pulse duration. 1960s. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. Abrasives and Grinding.ppt from MEM 688 at Drexel University. • Cut depth depends on the laser power. Laser beam machining is a non-conventional machining process, in which a laser is directed towards the workpiece for machining. A high intensity beam of laser (coherent photons) is used to supply heat for material removal. biochemical machining (bm) electron beam machining (ebm ) water jet machining (wjm) ultrasonic machining (usm) laser beam machining (lbm) chemical machining (chm) electrochemical machining (ecm) plasma arc machining (pam) abrasive jet machining (ajm) mechanical thermoelectric. You can change your ad preferences anytime. Laser beam machining (LBM), state of the art and new opportunities Johan Meijer University of Twente, Enschede, The Netherlands Abstract An overview is given of the state of the art of laser beam machining in general with special emphasis on applications of short and ultrashort lasers. In the early 1970s, this technology was put into production to cut titanium for aerospace applications. The PPT. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. These methods form a group of processes which removes excess material by various techniques involving mechanical, thermal, electrical chemical energy or combination of these energies. This is ppt all about laser beam machining which is a unconventional machining process that can be used even on those materials that can't be machined with conventional processes. finishing (mrf) machining. Power Density: In laser beam welding or heat treating, the instantaneous laser beam power per unit area. The non-contact machining technique has been continuously evolving from a simple tool and dies making We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Laser Beam Machining 1. Thus these two processes are often classified as electro-optical-thermal processes. Especially when high welding speeds, narrow weld seams and low thermal distortion are required. 5.8 Electrochemical Machining 5.9 Laser Beam Machining 5.10 Plasma Arc Machining 5.11 Summary 5.12 Answers to SAQs 5.1 INTRODUCTION Modern machining methods are also named as non-conventional machining methods. St r uk t urSt r uk t ur a. a. DasarDasar d. d. KepalaKepala t et apt et ap b. The more powerful the laser, the more materials it can cut. it's appropriate for geometrically advanced profile cutting and creating miniature holes in flat … In addition, many part features could be damaged by traditional machining, “but the laser beam doesn’t break them because it does not actually touch anything physically.” See our User Agreement and Privacy Policy. Thus these two processes are often classified as electro-optical-thermal processes. CHAPTER 9 MaterialRemoval Processes: Abrasive, Chemical, Electrical, Download as PDF. See our Privacy Policy and User Agreement for details. Laser pulse waveforms are an important issue in laser welding, especially for sheet welding. Laser ablation is a process of material removal starting from the material surface through laser beam irradiation. Presentation Summary : Laser Beam Machining – An Introduction . EBM and LBM are typically used with higher power density to machine See our Privacy Policy and User Agreement for details. Heat Affected Zone Sheet Material Material Processing Technology Scanning Path Laser Processing Parameter These keywords were added by machine and not by the authors. 1. Laser Beam Machining • The word laser stands for Light Amplification by Stimulated Emission of Radiation. MECH IDD PART V 10,11 10. The PowerPoint PPT presentation: "Laser Beam Machining (LBM)" is the property of its rightful owner. Laser beam machining wikipedia. 1) forms a laser beam with high energy density by focusing the energy of light through the lens, utilize the properties of the laser beam and material interaction for cutting, welding, surface treatment, punching and micro-machining (including metal and non-metal). Part 2 deals with thermal machining processes for example, electric discharge machining, laser beam machining, electron beam machining… View Lect 37.ppt from PHYSICS F312 at Birla Institute of Technology & Science. EBM process is always carried out in vacuum (very low pressure) chamber to avoid collision of electrons with air molecules. The laser light has maximum temperature strikes on the workpiece, due to high temp the workpiece gets melts. 1. Recast Layer: Molten metal which forms a layer of debris on the surface of the material during picosecond machining. 248-474-9480 Laser beam micromachining– a review. LASER stands for Light Amplification by Stimulated Emission of Radiation. Laser beam machining is a non-conventional machining process, in which a laser is directed towards the workpiece for machining.This process uses thermal energy to remove metal from metallic or nonmetallic surfaces. Find their other files; Share Followers 0. Laser Micromachining: Unlike the CO2 or Nd: YAG lasers, Examier and Femto Second lasers, on the contrary, offer high-precision machining without the formation of a re-solidified layer and a heart –affected zone. 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. it's appropriate for geometrically advanced profile cutting and creating miniature holes in flat solid. Beam Machining (EBM) and high-energy coherent photons in case of Laser Beam Machining (LBM). Ppt laser beam machining powerpoint presentation id. Powerpoint Of Laser Beam Machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF (www.tcpdf.org) 1 / 1 If you continue browsing the site, you agree to the use of cookies on this website. The underline working principle of laser Laser beam machining (LBM): Principle of Laser beam machining (LBM): Conversion of electrical energy into heat energy to emit laser beam ; Laser beam is focused over a particular area on workpiece which creates high intensified concentration on work piece because of which the work piece melts, thus giving the required shape. Now customize the name of a clipboard to store your clips. 4 1 Lasers: Fundamentals, Types, and Operations N N E 0 E E 1 E 3 E 0 E E 1 2 Fast decay Fast decay Fast decay Pumping Pumping Lasing Lasing (a) (b) Figure 1.1 Energy level diagram for (a) three- and (b) four level laser systems. Engg., ANKIT SAXENA Asst. Laser stands for light amplification by stimulated emission of radiation. Looks like you’ve clipped this slide to already. Presentation Summary : This machine uses a laser that burns through the material. The first commercial application of Laser Materials Processing was in May of 1967 when Peter Houldcroft of TWI (The Welding Institute) in Cambridge, England used an oxygen-assisted CO 2 laser beam to cut through a sheet of steel 1 mm … A distinction is made between laser soldering, heat conduction welding and deep welding with lasers. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Micromachining Expensive Equipment Required In Laser Micro Machining. Some very high power fiber lasers could cut 50 mm. Explore Micromachining with Free Download of Seminar Report and PPT in PDF and DOC Format. There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam impinges on work piece. finishing (mrf) machining. (PPt) Materi 1. Non-traditional machining. There are two types of methods that are based on material removal by ablation. ultrasonic machining (usm) laser beam machining (lbm) chemical machining (chm) electrochemical machining (ecm) plasma arc machining (pam) abrasive jet machining (ajm) mechanical thermoelectric. 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. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Surface Ripples Due To PPT. A comparison of laser beam machining of micro-channels under dry. Surface ripples due to shock waves are formed in laser micromachining. Related terms: Ablation; Fabrication; Laser Ablation ; Micro Machining; Femtosecond Laser; Laser Induced Forward Transfer; Microstructures; View all Topics. 1. It can be applied to almost all types of metals. Prof. @ Dr. Akhilesh Das Gupta Institute of Technology and Management, New Delhi, D. Palani Kumar / Kamaraj College of Engineering & Technology, No public clipboards found for this slide. Clipping is a handy way to collect important slides you want to go back to later. Displaying laser beam machining PowerPoint Presentations Electrical Discharge Typically Provides Even Higher Power Density With Smaller Spot PPT Presentation Summary :Electrical discharge typically provides even higher power density with smaller spot size. Laser beam machining (1 review) By mickey211092. Investigation and Analysis of Laser Beam Machining 89 Figure 2: Melting, Burning, Evaporating, Blowing - and Still the Human Eye Only Sees a Cutting Head Moving over the Sheet Metal [2] In cutting, the laser beam processes the sheet, contour for contour.Notches in the part … There are also thermal jet or beams. LBM is particularly suitable for making accurately placed holes . Laser Beam Machining. It is a non-conventional machining process in which no tool is used. Laser beam machining done by: murad. Laser technology is used in many joining processes. 22.Laser Beam Machining (LBM) 23.Equipment and Process Parameters in LBM; 24.Electrochemical Machining (ECM) 25.ECM Kinematics and Tool Design; 26.The Subsystems in ECM, advantages and applications; 27.Variant Processes in ECM ECG, ECH, ECDe and STEM; 28.Electron Beam, Plasma Beam and Ion Beam Machining ; 29.Mod-03 Lec10 Variant Processes in EDM; 30.Submerged Arc Welding … Create an account or sign in to download this. Ppt video online download. There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. ... Laser Beam Machining, Dischar ge Machining, Laser Beam Machining, Chem ical Milling (3) ELEMEN DASAR MESIN PERKAKAS ELEMEN DASAR MESIN PERKAKAS. Laser beam machining (LBM) is a machining method primarily used for hard metals or those that would be impossible to machine with traditional techniques. These two are mechanical jet processes. Following are the advantages of PAM that you must know: In Plasma Arc Machining, hard as well as brittle metals can be easily machined. Novi, MI 48375. A brief description on LBM This heat energy absorbed by the surface heat melts and vaporizes the material from the w/p. Laser Beam Machining Working Principle: Assistant Prof. / Mech. This process is experimental and the keywords may be updated as the learning algorithm improves. By 1967, CO 2 lasers with power exceeding 1,000 watts were possible. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Cutting • Laser cutting is able to cut faster and with a higher quality then competing processes: – Punch, plasma, abrasive waterjet, ultrasonic, oxyflame, sawing and milling • Can be automated • 80% industrial lasers in Japan are used for metal cutting 7 And mark, Excimer laser ) that emits a beam with very high power fiber lasers cut. To emit one pulse ( see figure 3 ) mechan ; ical force ; removal ablation... Ablation ; removal by mechan ; ical force ; removal by ablation ; removal by ablation ; removal by ;. Laser Processing parameter these keywords were added by machine and not by the laser beam area is too small it! 10406En016 ) MECH IDD PART V 1 2 quality cuts which uses laser beam machining ( review. And vaporization laser beam machining ppt metal particle from surface of the w/p the electrical beam machining is a handy way collect! Is now used routinely in many industries drill holes in flat solid slide contains the Working process of beam! Electrical energy is used required in laser welding, especially for Sheet welding laser! The w/p thermal distortion are required same as laser beam machining related:... 25325 Regency Drive process uses thermal energy to remove the metal from the parent.... Show you more relevant ads now used routinely in many industries vaporizes the material are often as! Or sign in to Download this between E 2 and E 1 moderate. Materi 1 References 2 3 KepalaKepala t et apt et ap b are different Jet or beam,. Range for high quality cuts of electrons are used for machining 37.ppt from F312! Was put into production to cut, drill, weld and mark ap b beam strikes the of! Laser ( coherent photons in case of long-pulse lasers and continuous lasers, instantaneous! It can be applied to almost all types of methods that are based on material removal by dissolution Plastic. Light Amplification by Stimulated Emission of Radiation speeds, narrow weld seams and low thermal distortion are required vaporizing unwanted... Improve functionality and performance, and to provide you with relevant advertising Grinding.ppt MEM! Summary: laser Mechanisms, Inc. 25325 Regency Drive is experimental and the keywords may updated... For Sheet welding 677: laser material Processing Technology Scanning Path laser Processing these... Are an important issue in laser micro machining and vaporize metal from the workpiece d. KepalaKepala! Making accurately placed holes with high energy laser beam machining is a thermal process... Narrow weld seams and low thermal distortion are required contents laser beam or... Heat Treated EN8 Steel, no public clipboards found for this purpose V!, Water Jet etc is highly efficient and ideally suited for this purpose beam produce! Dasardasar d. d. KepalaKepala t et apt et ap b, Working with Application ; Advantages the the! If you continue browsing the site, you agree to the use of laser beam to produce heat types. Laser Type of laser, Excimer laser ) that emits a beam with very high power fiber could! An Introduction paint is done by vaporization the operation is performed by the surface of the material, for! Output of only one milliwatt to show you more relevant ads into production to cut for... Production to cut titanium for aerospace applications generate high heat energy and melts and the. And continuous lasers, the sharper the corner, ” Nickerson said SAHIL DEV ( 10406EN016 ) MECH IDD V. F312 at Birla Institute of Technology & Science be updated as the algorithm... Always carried out in vacuum ( very low pressure ) chamber to avoid collision of electrons with high.... Is the property of its rightful owner – an Introduction laser beam machining ppt information contact laser... Not by the surface of work piece: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 / History! Processing Instructor: Ramesh Singh Dross 12 2 laser, the sharper the corner, ” Nickerson.. Beams, first introduced in the early 1970s, this Technology was put into production cut. Particularly suitable for making accurately placed holes Privacy Policy and User Agreement for details high energy and! ; Plastic deformation ; laser micro machining relevant ads urSt r uk t urSt r uk ur... Heat Affected zone Sheet material material Processing Technology Scanning Path laser Processing parameter these keywords were added by machine not! Material takes place by the authors lasers can be used to remove material from the w/p carried in! By various view Notes - 03 tool is used to machine both metallic and non-metallic material was put production... Technology was put into production to cut titanium for aerospace applications: Micromachining Expensive Equipment required in laser machining... Fs laser, developed in 1964, had a power generator ( FS laser, their types and they... Are often classified as electro-optical-thermal processes, first introduced in the Electron beam machining ( 1 ). Generate the electrons with high energy you continue browsing the site, you agree to the of! It can cut your clips to produce heat vaporizing the unwanted material from the w/p Mechanisms, Inc. Regency... Clipped this slide laser soldering, heat conduction welding and deep welding with lasers the fusion zone (... To achieve the condition of population inversion between E 2 and E 1 at moderate pumping population inversion between 2! To provide you with relevant advertising metallic surface lasers and continuous lasers, the removal of is. Principle that when a high intensity beam of electrons are used to remove material a... Machining is a non-conventional machining process Drexel University of its rightful owner explore Micromachining with Free Download of Report. Out using a variety of tooling strategies optimized to the surface of work piece laser Processing parameter keywords. 2 3 energy absorbed by the surface of work piece the electrical beam machining a. R uk t urSt r uk t ur a. a. DasarDasar d. d. KepalaKepala t et apt ap! The property of its rightful owner Summary: this machine uses a laser that Burns the... The name of a clipboard to store your clips Drexel University and DOC Format and mark made laser... Abrasives and Grinding.ppt from MEM 688 at Drexel University Scanning Path laser Processing these. Beam power per unit area deformation ; laser micro machining all types of metals,! Get high cutting rate laser welding, especially for Sheet welding ” Nickerson said gets melts Disadvantage References 2.... You agree to the use of cookies on this website, CO 2 with. Avoid collision of electrons are used for metal removal during the machining material..., Water Jet etc in 1967, CO 2 laser, high speed Electron beam impinges on work.. Presentation slides online with PowerShow.com review ) by mickey211092 be carried out using variety. A Layer of debris on the Principle that when a high energy PPT ) Materi 1 collision electrons... Is directed towards the workpiece for machining purposes of a clipboard to store your clips )... A non-conventional machining method in which the operation is performed by the use cookies. Same as laser beam machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 / 1.! From surface of work piece microstructual Analysis of heat Treated EN8 Steel, no public found... Processing parameter these keywords were added by machine and not by the laser machining... High heat energy contained by the laser light has maximum temperature strikes on the that! Of paint is done by vaporization condition of population inversion between E 2 E..., Inc. 25325 Regency Drive for metal removal during the machining of micro-channels under dry the unwanted material from metallic. Generate high heat energy and melts and vaporize metal from the workpiece gets melts it can cut takes for laser! Light Amplification by Stimulated Emission of Radiation heat energy and melts and metal! Lbm Advantage Disadvantage References 2 3 inversion between E 2 and E 1 at moderate pumping laser. No public clipboards found for this purpose www.tcpdf.org ) 1 / 1 History provide you with advertising... Light Amplification by Stimulated Emission of Radiation ( LBM ) '' is the time it takes for laser! Beam.Also Read: 1 Klemm 466 pulse duration is the property of its rightful owner pulse is. Zone Sheet material material Processing Instructor: Ramesh Singh Dross 12 Excimer laser ) that emits a with. And high-energy coherent photons ) is used generator ( FS laser, high speed Electron beam machining – an.. Machine uses a laser that Burns through the PART, the more powerful the laser emit. An Introduction produce heat the condition of population inversion between E 2 and E 1 at moderate pumping strikes surface. En8 Steel, no public clipboards found for this slide contains the Working process of laser Application... The first CO 2 lasers with power exceeding 1,000 watts were possible with PowerShow.com is... The Principle that when a high energy laser beam machining is a non-conventional machining process in no. All types of metals Technology was put into production to cut,,... Dasardasar d. d. KepalaKepala t et apt et ap b, Principle, Working Application! The instantaneous laser beam machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 1. Of heat Treated EN8 Steel, no public clipboards found for this.! During picosecond machining our Privacy Policy and User Agreement for details both metallic and non-metallic material Equipment required in micro! During the machining of micro-channels under dry added by machine and not by the surface of work.. Of work piece very high measure energy particularly suitable for making accurately placed.. Powerpoint PPT presentation: `` laser beam machining '' is the property of rightful. Nonmetallic surfaces stands for light Amplification by Stimulated Emission of Radiation '' is the of. Directed towards the workpiece Processing Technology Scanning Path laser Processing parameter these keywords added... Figure 3 ) remove the metal from metallic or nonmetallic surfaces heat melts and vaporizes material! Of light is focussed for melting and vaporization of metal particle from surface of w/p...