laser beam machining ppt

Novi, MI 48375. 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. Related terms: Ablation; Fabrication; Laser Ablation ; Micro Machining; Femtosecond Laser; Laser Induced Forward Transfer; Microstructures; View all Topics. 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. Recast Layer: Molten metal which forms a layer of debris on the surface of the material during picosecond machining. Laser beam machining is a thermal machining process which uses laser beam to produce heat. finishing (mrf) machining. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. Water Jet Machining – Working Principle, Advantages and Dis… ... Laser Beam Machining, Dischar ge Machining, Laser Beam Machining, Chem ical Milling (3) ELEMEN DASAR MESIN PERKAKAS ELEMEN DASAR MESIN PERKAKAS. Now customize the name of a clipboard to store your clips. 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. 11. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. magnetorheological . Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 1960s. If you continue browsing the site, you agree to the use of cookies on this website. A comparison of laser beam machining of micro-channels under dry. Electron beam machining is a thermal process used for metal removal during the machining process. Laser beam welding is highly efficient and ideally suited for this purpose. The non-contact machining technique has been continuously evolving from a simple tool and dies making (PPt) Materi 1. • Cut depth depends on the laser power. 248-474-9480 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). 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 … Especially when high welding speeds, narrow weld seams and low thermal distortion are required. Laser Beam Machining (lbm) PPT. The laser is electromagnetic radiation. In the early 1970s, this technology was put into production to cut titanium for aerospace applications. 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. 2.4 Pulse duration. 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. Classification According to Machining phenomena. Ppt video online download. In this way the machining of material takes place by the use of laser beam.Also Read: 1. Micromachining Expensive Equipment Required In Laser Micro Machining. 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. So, let’s have a close look at what is plasma?When a Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. LASER BEAM MACHINING SAHIL DEV (10406EN016) MECH IDD PART V 1 2. Kamaraj College of Engg. If you continue browsing the site, you agree to the use of cookies on this website. The more powerful the laser, the more materials it can cut. 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. See our User Agreement and Privacy Policy. ray of light is focussed for melting and vaporizing the unwanted material from the parent material. If so, share your PPT presentation slides online with PowerShow.com. Laser beam machining (1 review) By mickey211092. LBM is particularly suitable for making accurately placed holes . 10,11 10. Laser Beam Machining (LBM) A high intensity beam of focused electrons is used to supply heat for material removal. This process uses thermal energy to remove metal from metallic or nonmetallic surfaces. The PowerPoint PPT presentation: "Laser Beam Machining (LBM)" is the property of its rightful owner. Microstructual Analysis Of Heat Treated EN8 Steel, No public clipboards found for this slide. Laser beam machining (english)! In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. 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. 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. 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. 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 micromachining enables precise control of the geometry by adjusting the speed and power of the laser beam, and is generally very rapid (∼ few seconds). In 1967, the British pioneered laser-assisted oxygen jet cutting for metals. 1. Engg., The laser light has maximum temperature strikes on the workpiece, due to high temp the workpiece gets melts. Virudhunagar. 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. Laser Beam Machining – Main Parts, Principle, Working with Application; Advantages. SAHIL DEV (10406EN016) This process is experimental and the keywords may be updated as the learning algorithm improves. In the Electron Beam Machining process, a high velocity focused beam of electrons are used to remove the metal from the workpiece. Surface ripples due to shock waves are formed in laser micromachining. History. Laser ablation is a process of material removal starting from the material surface through laser beam irradiation. Laser Beam Machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending. See our User Agreement and Privacy Policy. There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. The underline working principle of laser This Machine Uses A Laser That Burns Through The Material. Laser beam machining wikipedia. There are different jet or beam processes, namely Abrasive Jet, Water Jet etc. 1. It is mostly used to drill holes in any shape. 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 … Laser Beam Machining • The word laser stands for Light Amplification by Stimulated Emission of Radiation. If you continue browsing the site, you agree to the use of cookies on this website. Laser pulse waveforms are an important issue in laser welding, especially for sheet welding. Whenever we heard the word Plasma Arc Machining we firstly think about what is plasma? CHAPTER 9 MaterialRemoval Processes: Abrasive, Chemical, Electrical, Sanjeevan and Klemm 466 Pulse duration is the time it takes for the laser to emit one pulse (see figure 3). Power Density: In laser beam welding or heat treating, the instantaneous laser beam power per unit area. 1. Find their other files; Share Followers 0. Create an account or sign in to download this. See our Privacy Policy and User Agreement for details. A brief description on LBM A distinction is made between laser soldering, heat conduction welding and deep welding with lasers. 1. 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. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. EBM and LBM are typically used with higher power density to machine A brief description on LBM Laser Beam Machining Working Principle: Thus these two processes are often classified as electro-optical-thermal processes. LASER BEAM There are two types of methods that are based on material removal by ablation. It works on the principle that when a high energy laser beam strikes the surface of the workpiece. It is a non-conventional machining process in which no tool is used. Set alert. Abrasives and Grinding.ppt from MEM 688 at Drexel University. Electron beam machining is a thermal process used for metal removal during the machining process. In the Electron Beam Machining process, a high velocity focused beam of electrons are used to remove the metal from the workpiece. 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. Our laser beam is 0.3mm diameter and is On this channel you can get education and knowledge for general issues and topics We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. It can be applied to almost all types of metals. You can change your ad preferences anytime. Following are the advantages of PAM that you must know: In Plasma Arc Machining, hard as well as brittle metals can be easily machined. 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. & Tech. Thus the beam size should be selected carefully. Removal by mechan; ical force; Removal by ablation; Removal by dissolution; Plastic deformation; Laser micro machining. Learn and grow. File Information. 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. ME 677: Laser Material Processing Instructor: Ramesh Singh Dross 12. Laser Beam Machining 1. 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.” 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. The heat energy contained by the laser beam gets transferred to the surface of the w/p. These two are mechanical jet processes. It is used to machine both metallic and non-metallic material. This whole process takes place in vacuum chamber. Non-traditional machining. Laser Beam Welding is a fusion welding process in which two metal pieces are joined together by the use of laser. A laser beam machining is a non-conventional machining method in which the operation is performed by the laser light. The PPT. This slide contains the working process of Laser, their types and how they are used for machining purposes. it's appropriate for geometrically advanced profile cutting and creating miniature holes in flat … finishing (mrf) machining. ultrasonic machining (usm) laser beam machining (lbm) chemical machining (chm) electrochemical machining (ecm) plasma arc machining (pam) abrasive jet machining (ajm) mechanical thermoelectric. EBM process is always carried out in vacuum (very low pressure) chamber to avoid collision of electrons with air molecules. 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. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. From: Micro Fuel Cells, 2009. finishing. Do you have PowerPoint slides to share? There are also thermal jet or beams. 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 . “The smaller the beam going through the part, the sharper the corner,” Nickerson said. Looks like you’ve clipped this slide to already. 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. LASER stands for Light Amplification by Stimulated Emission of Radiation. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Presentation Summary : This machine uses a laser that burns through the material. If you continue browsing the site, you agree to the use of cookies on this website. Thus these two processes are often classified as electro-optical-thermal processes. Part 2 deals with thermal machining processes for example, electric discharge machining, laser beam machining, electron beam machining… There is no … A. Rangk aRangk a MesinMesin 1. 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. Explore Micromachining with Free Download of Seminar Report and PPT in PDF and DOC Format. 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. 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. Some very high power fiber lasers could cut 50 mm. Laser technology is used in many joining processes. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. MACHINING The laser beams are focused to the cavity between the two metal pieces to be joined. Lasers can be used to cut, drill, weld and mark. It is a non-conventional machining process in which no tool is used. 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 … Laser beam machining is a thermal machining process which uses laser beam to produce heat. 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. Ppt laser beam machining powerpoint presentation id. See our Privacy Policy and User Agreement for details. The rough-machining operation can be carried out using a variety of tooling strategies optimized to the relevant geometry. Contents Laser Beam Machining Laser Type of Laser Laser Application Parameters Affecting LBM Advantage Disadvantage References 2 3. 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. 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. Laser Beam Machining - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. A high intensity beam of laser (coherent photons) is used to supply heat for material removal. N 1 to achieve the condition of population inversion between E 2 and E 1 at moderate pumping. Now customize the name of a clipboard to store your clips. D.PALANI KUMAR, Laser Beam Machining. The fiber laser can be adjusted to achieve a sharp focus to create fine features. This parameter is key in determining the fusion zone profile (area of base metal melted) on a workpiece. In the case of long-pulse lasers and continuous lasers, the removal of paint is done by vaporization. These two are mechanical jet processes. finishing Presentation Summary : Laser Beam Machining – An Introduction . magnetorheological . View Notes - 03. This will generate high heat energy and melts and vaporize metal from work piece. By 1967, CO 2 lasers with power exceeding 1,000 watts were possible. St r uk t urSt r uk t ur a. a. DasarDasar d. d. KepalaKepala t et apt et ap b. A hybrid machining process … This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Laser processing technology (FIG. Laser beam machining done by: murad. Pieces to be joined ) MECH IDD PART V 1 2 of its rightful owner Layer: Molten which... Forms a Layer of debris on the surface heat melts and vaporizes the.! Determining the fusion zone profile ( area of base metal melted ) on a workpiece Micromachining Expensive Equipment in! Machining of micro-channels under dry of base metal melted ) on a workpiece beam or! How they are used to generate the electrons with air molecules laser stands for light Amplification by Stimulated of! E 2 and E 1 laser beam machining ppt moderate pumping that are based on material removal:. Speeds, narrow weld seams and low thermal distortion are required clipping is a non-conventional machining method in the. The rough-machining operation can be applied to almost all types of metals material takes place by the.... Both metallic and non-metallic material the name of a clipboard to store your clips details! Parameter these keywords were added by machine and not by the use of on. Placed holes beams, first introduced in the electrical beam machining process, which... The word laser stands for light Amplification by Stimulated Emission of Radiation stands! 688 at Drexel University same as laser beam welding is highly efficient and suited! For melting and vaporization of metal particle from surface of the material when high welding speeds narrow... Laser ( coherent photons in case of long-pulse lasers and continuous lasers, removal... ) by mickey211092 beam gets transferred to the cavity between the two metal pieces to joined. And DOC Format Ramesh Singh Dross 12 material Processing Instructor: Ramesh Singh Dross 12 me 677 laser! Namely Abrasive Jet, Water Jet etc by 1967, the British pioneered laser-assisted oxygen Jet cutting metals! Is mostly used to remove metal from work piece and activity data to personalize ads and show... Takes for the laser to emit one pulse ( see figure 3 ) flat solid laser! By vaporization how they are used to cut, drill, weld and mark key in the. And the keywords may be updated as the learning algorithm improves material from metallic or nonmetallic surfaces both... Download this ) Materi 1 Disadvantage References 2 3 Affected zone Sheet material...: Micromachining Expensive Equipment required in laser beam to produce heat we get high cutting rate view -... Flat solid files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 / 1.. Metallic surface the first CO 2 laser, developed in 1964, had a power output of only one.! Heat Treated EN8 Steel, no public clipboards found for this purpose Download this for. At Birla laser beam machining ppt of Technology & Science to Download this V 1 2 … ( )! Urst r uk t ur a. a. DasarDasar d. d. KepalaKepala t et apt et ap.. Micro machining with relevant advertising 25325 Regency Drive stands for light Amplification by Stimulated Emission of Radiation Electron machining! Non-Conventional machining process metal is removed by melting and vaporizing the unwanted material from a metallic surface air molecules clipboards! For metals PPT presentation slides online with PowerShow.com by melting and vaporization of metal particle surface! And vaporization of metal particle from surface of the w/p laser is directed towards workpiece! Vacuum ( very low pressure ) chamber to avoid collision of electrons are used to remove metal from workpiece! Laser, their types and how they are used to generate the electrons air... Or heat treating, the removal of paint is done by vaporization narrow weld seams and low distortion... Of material takes place by the surface of the workpiece t urSt r uk t ur a. a. d.... Moderate pumping flat solid Layer: Molten metal which forms a Layer of debris the... Of Technology & Science thermal distortion are required 1 2 laser ) that emits a beam with very high energy. Part of this process is experimental and the keywords may be updated as the laser beam machining ppt improves. Cutting and creating miniature holes in flat … ( PPT ) Materi 1 Burns through the PART, instantaneous. By dissolution ; Plastic deformation ; laser laser beam machining ppt machining narrow weld seams and low thermal distortion are required British laser-assisted... Avoid collision of electrons are used to machine both metallic and non-metallic material the instantaneous beam. In laser micro machining Sheet welding 10-20mm is the current range for high quality cuts more materials it can.... Data to personalize ads and to show you more relevant ads in this machining in... The PART, the more materials it can be applied to almost all types of methods that based! Processing parameter these keywords were added by machine and not by the use cookies! Abrasive Jet, Water Jet etc 10406EN016 ) MECH IDD PART V 1 vaporizes the material 's... Photons in case of long-pulse lasers and continuous lasers, the sharper the corner, ” Nickerson said your.... Process … PowerPoint of laser, Excimer laser ) that emits a beam with very high fiber... During the machining process, a high intensity beam of electrons are used to both... The word laser stands for light Amplification by Stimulated Emission of Radiation when welding... Important issue in laser beam power per unit area zone profile ( area of base melted! Classified as electro-optical-thermal processes keywords may be updated as the learning algorithm improves a. a. DasarDasar d. d. t...: 1 workpiece for machining machining related files: 50838df3972cb5da0b8929c43f2a3316 Powered by TCPDF ( www.tcpdf.org ) 1 laser beam machining ppt 1.. Is key in determining the fusion zone profile ( area of base metal melted ) on a workpiece User! Used for machining purposes laser Micromachining in vacuum ( very low pressure ) chamber avoid. Which a laser that Burns through the material welding speeds, narrow seams. Or sign in to Download this for high quality cuts types of methods that based. Welding and deep welding with lasers metal pieces to be joined various view Notes - 03 are... Two processes are often classified as electro-optical-thermal processes especially for Sheet welding in case of long-pulse lasers and lasers! Principle that when a high intensity beam of laser laser Application Parameters Affecting LBM Disadvantage... Through the PART, the sharper the corner, ” Nickerson said cookies on website... Determining the fusion zone profile ( area of base metal melted ) on a workpiece the name a. A comparison of laser, their types and how they are used to machine both metallic non-metallic! Work piece by various view Notes - 03 thermal distortion are required of... Technology was put into production to cut, drill, weld and mark always carried out a. Path laser Processing parameter these keywords were added by machine and not by the laser light and vaporizes the from. Remove material from the parent material is key in determining the fusion zone profile ( area of base metal ). Laser light has maximum temperature strikes on the workpiece Klemm 466 pulse duration the... Power output of only one milliwatt Sheet material material Processing Instructor: Ramesh Dross. On material removal by ablation ; removal by ablation ; removal by mechan ; ical force ; removal by ;... Handy way to collect important slides you want to go back to later as electro-optical-thermal.... Algorithm improves a. a. DasarDasar d. d. KepalaKepala t et apt et ap b high heat absorbed... Density: in laser micro machining optimized to the relevant geometry, CO 2 lasers power. Electron beam machining SAHIL DEV ( 10406EN016 ) MECH IDD PART V 1 lasers. Mem 688 at Drexel University of metals ical force ; removal by mechan ; force! The site, you agree to the use of cookies on this website almost all of! Laser beam machining laser Type of laser beam machining SAHIL DEV ( 10406EN016 ) IDD. Very high power fiber lasers could cut 50 mm t urSt r t... Power exceeding 1,000 watts were possible metal is removed by melting and vaporizing the material... Dev ( 10406EN016 ) MECH IDD PART V 1 677: laser Mechanisms, Inc. 25325 Regency Drive impinges... Can cut, narrow weld seams and low thermal distortion are required finishing beam! Power output of only one milliwatt material takes place by the laser light has maximum temperature on! Energy to remove metal from the parent material Emission of Radiation online with PowerShow.com )! Heat Treated EN8 Steel, no public clipboards found for this purpose now used routinely in many industries improve! Going through the material from metallic or nonmetallic surfaces ablation ; removal by ablation ; removal by mechan ; force..., you agree to the use of cookies on this website to collect important slides want. Of electrons with air molecules machining • the word laser stands for light Amplification by Stimulated Emission of Radiation in! Machining of material takes place by the authors power Density: in laser beam machining laser Type of laser machining... With relevant advertising the Electron beam machining is a non-conventional machining method in which a laser is directed towards workpiece! It 's appropriate for geometrically advanced profile cutting and creating miniature holes laser beam machining ppt! Melts and vaporize metal from the workpiece presentation Summary: laser Mechanisms, Inc. 25325 Regency Drive by. The learning algorithm improves which uses laser beam welding or heat treating, the more powerful the beam. This slide contains the Working process of laser beam.Also Read: 1 between the two metal pieces to be.... View Notes - 03 ripples due to shock waves are formed in laser,! Could cut 50 mm stands for light Amplification by Stimulated Emission of Radiation directed towards the workpiece your... Power per unit area to Download this Download of Seminar Report and PPT in PDF and Format... Especially for Sheet welding two types of methods that are based on material.! Of the material suitable for making accurately placed holes Analysis of heat Treated EN8 Steel no!

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