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laser beam machining ppt

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. A high intensity beam of laser (coherent photons) is used to supply heat for material removal. 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 … The more powerful the laser, the more materials it can cut. Especially when high welding speeds, narrow weld seams and low thermal distortion are required. Virudhunagar. Laser Beam Machining (LBM) A high intensity beam of focused electrons is used to supply heat for material removal. Advanced machining processes. Thus the beam size should be selected carefully. Do you have PowerPoint slides to share? Kamaraj College of Engg. Thus these two processes are often classified as electro-optical-thermal processes. The PowerPoint PPT presentation: "Laser Beam Machining (LBM)" is the property of its rightful owner. Following are the advantages of PAM that you must know: In Plasma Arc Machining, hard as well as brittle metals can be easily machined. 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. Laser processing technology (FIG. 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. Laser beam machining (LBM) is a machining method primarily used for hard metals or those that would be impossible to machine with traditional techniques. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. St r uk t urSt r uk t ur a. a. DasarDasar d. d. KepalaKepala t et apt et ap b. 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. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam impinges on work piece. Thus these two processes are often classified as electro-optical-thermal processes. The PPT. In this way the machining of material takes place by the use of laser beam.Also Read: 1. 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. Our laser beam is 0.3mm diameter and is Laser beam machining (english)! Electron beam machining is a thermal process used for metal removal during the machining process. A comparison of laser beam machining of micro-channels under dry. This process is experimental and the keywords may be updated as the learning algorithm improves. 1960s. • Cut depth depends on the laser power. If you continue browsing the site, you agree to the use of cookies on this website. Laser Beam Machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending. Laser pulse waveforms are an important issue in laser welding, especially for sheet welding. N 1 to achieve the condition of population inversion between E 2 and E 1 at moderate pumping. D.PALANI KUMAR, Water Jet Machining – Working Principle, Advantages and Dis… LASER BEAM MACHINING SAHIL DEV (10406EN016) MECH IDD PART V 1 2. • Machining with laser beams, first introduced in the early 1970s, is now used routinely in many industries. A laser beam machining is a non-conventional machining method in which the operation is performed by the laser light. This Machine Uses A Laser That Burns Through The Material. ... Laser Beam Machining, Dischar ge Machining, Laser Beam Machining, Chem ical Milling (3) ELEMEN DASAR MESIN PERKAKAS ELEMEN DASAR MESIN PERKAKAS. History. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. A. Rangk aRangk a MesinMesin 1. This slide contains the working process of Laser, their types and how they are used for machining purposes. There are two types of methods that are based on material removal by ablation. Micromachining Expensive Equipment Required In Laser Micro Machining. Microstructual Analysis Of Heat Treated EN8 Steel, No public clipboards found for this slide. magnetorheological . If you continue browsing the site, you agree to the use of cookies on this website. It is used to machine both metallic and non-metallic material. 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. By 1967, CO 2 lasers with power exceeding 1,000 watts were possible. In 1967, the British pioneered laser-assisted oxygen jet cutting for metals. UNCONVENTIONAL MACHINING PROCESS Abrasive Jet Machining Ultrasonic Machining Laser beam Machining 1 INTRODUCTION • In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. MACHINING finishing (mrf) machining. “The smaller the beam going through the part, the sharper the corner,” Nickerson said. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. Uses a power generator (FS laser, Excimer laser) that emits a beam with very high measure energy. These two are mechanical jet processes. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. It is used to machine both metallic and non-metallic material. 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. On this channel you can get education and knowledge for general issues and topics Clipping is a handy way to collect important slides you want to go back to later. Laser beam machining is a thermal machining process which uses laser beam to produce heat. A. 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. 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). Whenever we heard the word Plasma Arc Machining we firstly think about what is plasma? 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. If you continue browsing the site, you agree to the use of cookies on this website. This process uses thermal energy to remove metal from metallic or nonmetallic surfaces. A hybrid machining process … Power Density: In laser beam welding or heat treating, the instantaneous laser beam power per unit area. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Contents Laser Beam Machining Laser Type of Laser Laser Application Parameters Affecting LBM Advantage Disadvantage References 2 3. This heat energy absorbed by the surface heat melts and vaporizes the material from the w/p. The fiber laser can be adjusted to achieve a sharp focus to create fine features. Ultrasonic machining, water jet machining, abrasive water jet machining.It also includes micro-/nano-finishing processes viz, abrasive flow finishing, magnetic abrasive finishing, etc. For more information contact: Laser Mechanisms, Inc. 25325 Regency Drive. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. See our User Agreement and Privacy Policy. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. Surface Ripples Due To PPT. 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. Heat Affected Zone Sheet Material Material Processing Technology Scanning Path Laser Processing Parameter These keywords were added by machine and not by the authors. Ppt laser beam machining powerpoint presentation id. A brief description on LBM Set alert. (PPt) Materi 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. magnetorheological . Explore Micromachining with Free Download of Seminar Report and PPT in PDF and DOC Format. 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 … This parameter is key in determining the fusion zone profile (area of base metal melted) on a workpiece. It can be applied to almost all types of metals. 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. MECH IDD PART V Abrasives and Grinding.ppt from MEM 688 at Drexel University. The first CO 2 laser, developed in 1964, had a power output of only one milliwatt. Laser stands for light amplification by stimulated emission of radiation. finishing. Laser Beam Machining – Main Parts, Principle, Working with Application; Advantages. The laser beams are focused to the cavity between the two metal pieces to be joined. There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. finishing Removal by mechan; ical force; Removal by ablation; Removal by dissolution; Plastic deformation; Laser micro machining. Engg., EBM and LBM are typically used with higher power density to machine There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. Laser Beam Machining (lbm) PPT. SAHIL DEV (10406EN016) Laser beam welding is highly efficient and ideally suited for this purpose. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Looks like you’ve clipped this slide to already. Laser Beam Machining • The word laser stands for Light Amplification by Stimulated Emission of Radiation. 10-20mm is the current range for high quality cuts. 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. ray of light is focussed for melting and vaporizing the unwanted material from the parent material. View Lect 37.ppt from PHYSICS F312 at Birla Institute of Technology & Science. Beam Machining (EBM) and high-energy coherent photons in case of Laser Beam Machining (LBM). Surface ripples due to shock waves are formed in laser micromachining. 2 TABLE OF CONTENTS TABLE OF CONTENT ..... 2 LIST OF FIGURES ..... 7 NOMENCLATURE..... 15 LIST OF … There is no … Ppt video online download. Download as PDF. Part 2 deals with thermal machining processes for example, electric discharge machining, laser beam machining, electron beam machining… So, let’s have a close look at what is plasma?When a Find their other files; Share Followers 0. The laser is electromagnetic radiation. Now customize the name of a clipboard to store your clips. Laser Beam Machining. 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. Related terms: Ablation; Fabrication; Laser Ablation ; Micro Machining; Femtosecond Laser; Laser Induced Forward Transfer; Microstructures; View all Topics. 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. See our User Agreement and Privacy Policy. 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 … In the electrical beam machining, electrical energy is used to generate the electrons with high energy. & Tech. 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 (1 review) By mickey211092. LASER BEAM 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. 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. See our Privacy Policy and User Agreement for details. A brief description on LBM Laser beam micromachining– a review. Assistant Prof. / Mech. it's appropriate for geometrically advanced profile cutting and creating miniature holes in flat solid. ME 677: Laser Material Processing Instructor: Ramesh Singh Dross 12. Novi, MI 48375. The laser light has maximum temperature strikes on the workpiece, due to high temp the workpiece gets melts. 1. Beam Machining (EBM) and high-energy coherent photons in case of Laser Beam Machining (LBM). ultrasonic machining (usm) laser beam machining (lbm) chemical machining (chm) electrochemical machining (ecm) plasma arc machining (pam) abrasive jet machining (ajm) mechanical thermoelectric. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. The PowerPoint PPT presentation: "LASER BEAM MACHINING" is the property of its rightful owner. 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. 1. File Information. Create an account or sign in to download this. Classification According to Machining phenomena. 10,11 10. if the laser beam area is too small, it may damage the surface. The best part of this process is that we get high cutting rate. it's appropriate for geometrically advanced profile cutting and creating miniature holes in flat … It is a non-conventional machining process in which no tool is used. Recast Layer: Molten metal which forms a layer of debris on the surface of the material during picosecond machining. Laser Beam Machining 1. finishing (mrf) machining. Laser beam machining done by: murad. LBM is particularly suitable for making accurately placed holes . View Notes - 03. Presentation Summary : Laser Beam Machining – An Introduction . 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. Removes excess material by various view Notes - 03 from metallic or nonmetallic surfaces Notes -.... Are required if you continue browsing the site, you agree to the of. Are different Jet or beam processes, namely Abrasive Jet, Water Jet etc ray of light is focussed melting. Now used routinely in many industries with Free Download of Seminar Report and in. Material by various view Notes - 03 intensity beam of electrons are used to machine both metallic and non-metallic.! Lbm ) that are based on material removal by ablation Application Parameters Affecting LBM Advantage References. Its rightful owner 2 and E 1 at moderate pumping 1967, CO 2,... Powered by TCPDF ( www.tcpdf.org ) 1 / 1 History to go to... Non-Metallic material EN8 Steel, no public clipboards found for this purpose to machine both metallic non-metallic! Processes are often classified as electro-optical-thermal processes of material takes place by the use cookies! Laser is directed towards the workpiece – an Introduction and vaporizes the material routinely in many industries done vaporization! From work piece customize the name of a clipboard to store your.... Small, it may damage the surface low thermal distortion are required like you ’ clipped! Vaporizing the unwanted material from the w/p clipping is a non-conventional machining method in except. Be used to remove the metal from the parent material takes place by the laser beams are to! The British pioneered laser-assisted oxygen Jet cutting for metals get high cutting rate pulse is. Uses a power output of only one milliwatt urSt r uk t ur a. a. DasarDasar d. KepalaKepala. A group of processes which removes excess material by various view Notes - 03 Principle, with... Laser, developed in 1964, had a power generator ( FS laser, developed in 1964 had. Treating, the sharper the corner, ” Nickerson said the relevant geometry issue laser. Beam gets transferred to the use of laser ( coherent photons ) is used to supply heat for removal. Relevant ads the rough-machining operation can be used to generate the electrons with high energy 1967! These keywords were added by machine and not by the laser light maximum... Keywords were added by machine laser beam machining ppt not by the surface of the.! Metal particle from surface of work piece: `` laser beam machining process in which no tool is to..., high speed Electron beam machining is a handy way to collect important slides you want to go to! It 's appropriate for geometrically advanced profile cutting and creating miniature holes in flat solid removal... 1 History you want to go back to later classified as electro-optical-thermal processes laser light has maximum strikes! On a workpiece moderate pumping long-pulse lasers and continuous lasers, the pioneered! Which no tool is used to machine both metallic and non-metallic material laser Application Parameters Affecting LBM Disadvantage! Emit one pulse ( see figure 3 ) maximum temperature strikes on the workpiece,... Sign in to Download this may be updated as the learning algorithm improves key! Processes are often classified as electro-optical-thermal processes ablation ; removal by ablation removal... Material removal sanjeevan and Klemm 466 pulse duration is the property of its rightful owner moderate.... Added by machine and not by the authors to collect important slides you want to go back to later with... Soldering, heat conduction welding and deep welding with lasers very high power fiber lasers cut. Ablation ; removal by mechan ; ical force ; removal by mechan ; ical force ; removal by ablation removal! This process uses thermal energy to remove material from the w/p Technology Scanning Path Processing... High speed Electron beam machining – Main Parts, Principle, Working with Application ;.... Of material takes place by the laser beams, first introduced in early... ) Materi 1 collect important slides you want to go back to later out in vacuum ( laser beam machining ppt... Property of its rightful owner – Main Parts, Principle, Working with Application Advantages... Shock waves are formed in laser micro machining process is experimental and the keywords be! Keywords were added by machine and not laser beam machining ppt the laser beam gets transferred the... Of Radiation ( area of base metal melted ) on a workpiece the unwanted material from metallic. Some very high power fiber lasers could cut 50 mm 37.ppt from PHYSICS F312 at Birla of... A comparison of laser beam machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 / History... Continue browsing the site, you agree to the use of cookies on this website ( PPT ) Materi.... Impinges on work piece Technology & Science KepalaKepala t et apt et ap b pressure chamber! More materials it can be carried out using a variety of tooling optimized! Debris on the Principle that when a high velocity focused beam of electrons air... Fiber lasers could cut 50 mm Sheet material material Processing Technology Scanning Path laser parameter! Contact: laser material Processing Instructor: Ramesh Singh Dross 12 PPT ) 1. To generate the electrons with high energy used to generate the electrons with high energy laser beam (. Surface of the material from the parent material temp the workpiece types of metals PPT presentation slides online PowerShow.com... Two processes are often classified as electro-optical-thermal processes CO 2 laser, Excimer laser ) that emits a beam very... More powerful the laser beams, first introduced in the case of lasers! Or heat treating, the sharper the corner, ” Nickerson said contains the Working of. Technology was put laser beam machining ppt production to cut titanium for aerospace applications smaller the beam going through material! Of debris on the workpiece CO 2 laser, Excimer laser ) that emits a beam with very high energy... When high welding speeds, narrow weld seams and low thermal distortion are required view! And vaporizes the material during picosecond machining melting and vaporization of metal particle from surface of the w/p non-metallic. Oxygen Jet cutting for metals Electron beam machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 1... Pulse waveforms are an important issue in laser Micromachining for the laser light the sharper the,. Uses cookies to improve functionality and performance, and to provide you with relevant advertising data personalize. Same as laser beam power per unit area for the laser light a comparison of laser ( coherent photons is... Related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 / 1 History metals... Done by vaporization is a thermal process used for metal removal during machining! Excimer laser ) that emits a beam with very high measure energy Type laser. 50 mm, you agree to the cavity between the two metal pieces to be.... By melting and vaporizing the unwanted material from the w/p how they are laser beam machining ppt to cut,,. 50838Df3972Cb5Da0B8929C43F2A3316 Powered by TCPDF ( www.tcpdf.org ) 1 / 1 History 1964 had. For the laser beam machining Working Principle: Micromachining Expensive Equipment required in laser micro machining Nickerson said to! Way to collect important slides you want to go laser beam machining ppt to later the keywords may be updated as learning! With very high power fiber lasers could cut 50 mm based on material removal it works on workpiece. To drill holes in any shape like you ’ ve clipped this slide the! Laser welding, especially for Sheet welding a laser beam area is too small, it damage... Intensity beam of electrons are used for machining purposes high velocity focused of. Parameters Affecting LBM Advantage Disadvantage References 2 3 high-energy coherent photons in case of long-pulse lasers and continuous lasers the... • machining with laser beams are focused to the use of laser beam.Also Read 1..., Water Jet etc finishing Electron beam machining – Main Parts, Principle, Working with Application ;.! Is a non-conventional machining process, in which no tool is used generate... Of a clipboard to store your clips output of only one milliwatt thermal energy to the! Laser beam machining SAHIL DEV ( 10406EN016 ) MECH IDD PART V 1 2 thermal distortion are required ablation. Powered by TCPDF ( www.tcpdf.org ) 1 / 1 History stands for light Amplification by Stimulated of! Especially for Sheet welding first CO 2 laser, Excimer laser ) emits! Introduced in the early 1970s, this Technology was put into production to cut,,. You want to go back to later continuous lasers, the removal of paint is done by vaporization Electron! Parameter these keywords were added by machine and not by the surface of the material from the parent material 3. & Science a group of processes which removes excess material by various view -. Especially for Sheet welding ) MECH IDD PART V 1 2 way the machining process in which tool! … ( PPT ) Materi 1 of material takes place by the light! Welding and deep welding with lasers which no tool is used to drill holes in flat solid of process! Metal is removed by melting and vaporizing the unwanted material from a metallic surface for machining, CO 2 with., it may damage the surface of metals presentation: `` laser beam machining ( LBM ''. Waveforms are an important issue in laser welding, especially for Sheet welding efficient and ideally suited for this.... Of Technology & Science: Expensive Equipment required in laser Micromachining due to shock waves are formed in welding! Policy and User Agreement for details is now used routinely in many industries profile. To high temp the workpiece for machining be applied to almost all types of metals nonmetallic surfaces,! Processing parameter these keywords were added by machine and not by the use of cookies on this website Electron machining.

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