Cutting laser cutting is able to cut faster and with a higher quality then competing processes. Find powerpoint presentations and slides using the power of, find free presentations research about laser beam machining ppt. It is similar to the electron beam welding machine. Laser machining production engineering i meng 3221. Laser beam machining lbm is used to perform various types of drilling, slitting, slotting, scribing, and marking operations. How to simulate laser beam machining process on a composite material. Production of laser beam and with the use of lasers. This page contains laser communications seminar and ppt with pdf report. Dublin city university laser machining introduction interaction of an intense, highly directional, coherent, and monochromatic beam of light with a workpiece, from which material is removed by vaporization. View and download powerpoint presentations on electron beam machining ppt. Download the seminar report for laser beam machining. Presentations ppt, key, pdf logging in or signing up.
This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Scribd is the worlds largest social reading and publishing site. School of industrial engineering, purdue university. The tophat beam profile of laserlines diode lasers creates very even molten pools and allows for a calm process control that leads to homogeneous, crack free material layers. You can add and remove elements or personalize the design. Pdf a laser beam machining lbm database for the cutting. Laser beam machining main parts, principle, working with. Find powerpoint presentations and slides using the power of, find free presentations research about ultrasonic machining ppt. Laser cutting is a technology that uses a laser to slice materials. Ion beam machining or etching is generally a surface finishing process in which the material removal takes place by sputtering of ions. Electron beam machining is required to be carried out in vacuum. 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. Laser beam machining free download as powerpoint presentation. A free powerpoint ppt presentation displayed as a flash slide show on.
A laser beam machining lbm database for the cutting of ceramic tile. One of the most promising approaches for optimized production processes is the integration of laser beam sources in machine tools for additive manufacturing products. A laser beam is a powerful, narrow, monochromatic and directional beam of electromagnetic radiation. Laser beam machining lbm prepared by, vaishali desai yaminiba chudasama m. Laser beam machining an overview sciencedirect topics.
Laser machining, however, due to its noncontact nature, can be used to create such holes through melt ejection and vaporization as a result of focusing the laser beam on the surface of the material 33. A free powerpoint ppt presentation displayed as a flash slide show on id. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. Electron beam machining ebm similar to lbm except laser beam is replaced by high velocity electrons. Find powerpoint presentations and slides using the power of, find free presentations research about plasma arc machining ppt. Ppt laser beam machining lbm powerpoint presentation. The laser machining process is controlled by switching the laser on and off, changing the laser pulse energy and other laser parameters and by positioning either the work piece or the laser focus. The focused laser beam is directed at the material, which then either melts. Such processing is carried out utilizing the energy of coherent photons or laser beam. Laser machining process an overview sciencedirect topics. A summary of laser machining applications in several industries is tabulated in table 25. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material.
Choose from over a million free vectors, clipart graphics, vector art images, design templates, and illustrations created by artists worldwide. Find powerpoint presentations and slides using the power of, find free presentations research about electrical discharge machining ppt. 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. Electron beam machining ebm and laser beam machining lbm are. Laser beam machining is a thermal machining process which uses laser beam to produce heat. View and download powerpoint presentations on electrical discharge machining ppt.
Today we will learn about laser beam machining principle, working, equipments, application, advantages and disadvantages with its diagram. Laser beam machining process uses highly coherent light source. Ppt laser beam machining powerpoint presentation free. 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. Dec 07, 2016 electron beam machining is a kind of machining process by using highvelocity electron beam. Ppt laser beam machining lbm powerpoint presentation free to download id. May 02, 2017 laser beam machining main parts, principle, working with application may 2, 2017 december 26, 2018 pankaj mishra 2 comments manufacturing processes laser beam machining lbm is a form of machining process in which laser beam is used for the machining of metallic and nonmetallic materials. 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. May 31, 2018 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. View and download powerpoint presentations on chemical machining ppt. Jan 06, 2015 electron beam machining process electron beam is generated in an electron beam gun. Laser beam machining full seminar report, abstract and. In this video we have explained working of laser beam machining process, we.
At the bottom of the articles you can easily download pdf. The focused beam in vaporization cutting first heats up the. In this machining process metal is removed by melting and vaporization of metal particle from surface of work piece. When this high velocity electron strikes the workpiece, it melts and vaporizes the material from the workpiece. In thermal removing processes, thermal energy, provided by a heat source, melts or vaporizes the volume of the material to be removed.
Crack free cutting can be obtained by preheating the workpiece above a temperature of 1. Find powerpoint presentations and slides using the power of, find free presentations research about chemical machining ppt. Mechanical machining is not possible since it could greatly affect this surface. A laser device excites the atoms in a lasing medium. Free laser cut templates, download laser cutting designs. In ebm, electrons are accelerated to high velocity as half of the light speed, then it is impinged to. Jul 7, 2017 shop online templates, patterns, designs for laser cutting and engraving.
Nov 05, 2014 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. Simultaneously hardfacing material in the form of powder is introduced into the laser beam and melted. Laser beam machining process lbm in hindi out of the. Laser beam machining lbm kcg college of technology. Ppt laser beam machining powerpoint presentation, free. A laser machine consists of the laser, mirrors for. Ppt laser beam machining lbm powerpoint presentation free. Used for very accurate cutting of a wide variety of metals. View and download powerpoint presentations on plasma arc machining ppt.
Laser beam can very easily be focused using optical lenses as their wavelength ranges from half micron to around 70 microns. Among thermal removal methods, electrical discharge machining or edm is the oldest and most widely used. Such processing is carried out utilizing the energy of coherent photons or laser beam, which is mostly converted into thermal energy upon. The adobe flash plugin is needed to view this content. Laser beam machining is a nonconventional machining method. Laser beam machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending etc. This page contains micromachining seminar and ppt with pdf report. Here today we are going to study definition, working process, principle, advantages, disadvantages, and application note.
Use your favorite editing program and scale to any size. It can travel over great distances or can be focused to a very small spot with a brightness which. Drilling small diameter holes is possibledown to 0. Introduction ucsb laser safety manual 2 safety precautions for class 3 and 4 lasers class 3 eye and specular reflection hazard never aim the laser at a persons eye or stare at the laser from within the beam. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer this is used solely as a reading device such as nuvomedias rocket ebook.
Find powerpoint presentations and slides using the power of, find free presentations research about electron beam machining ppt. Lbw is a versatile process, capable of welding carbon steels, hsla steels, stainless steel, aluminum. The laser machining is driven by pyrolitic and photolitic. Laser beam machining full seminar reports, pdf seminar abstract, ppt, presentation, project idea, latest technology details, ask latest information. Give us feedback to let us know how useful is our videos. Download laser communications complete documentation with ppt and pdf for free. 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. This beam can be focused by means of a lens on a very small. Nov 10, 2012 laser welding process when overlaying with a laser an optical arrangement is used to focus the laser beam on the work piece and heat it.
Electron beam machining is a kind of machining process by using highvelocity electron beam. Ppt laser beam machining powerpoint presentation free to. Electron beam machining is process in which high velocity electrons are concentrated in a narrow beam and then directed towards the workpiece for machining. View electron beam machining process ppts online, safely and virus free. 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. Its high beam quality, portable installation size, high. 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.
Module 5 laser beam machining senthil1 free download as powerpoint presentation. Otherwise the electrons would interact with the air molecules, thus they would loose their energy and cutting. Electron beam machining process electron beam is generated in an electron beam gun. The electrons of these atoms move to a higher orbit, then release photons, creating a laser beam. Laser beams are being used for a variety of industrial applications, including heat treatment, welding, measurement as well as cutting, drilling, slitting, slotting.
View and download powerpoint presentations on laser beam machining ppt. Working principle the laser beam is focused onto the work piece and can be moved relative to it. Apr 21, 2015 lbm is nontraditional thermal process. Conversion of electrical energy into heat energy to emit laser beam. How to simulate laser beam machining process on a composite. Light from a laser typically has very low divergence. Dec 08, 2017 thanks for watching our video like, comment, share and subscribe if you find this video useful. The process is different from electric discharge, electron beam, laser and plasma arc machining in that the process does not. Laser micromachining 2 process are soaring in the recent days and its potential merits add a significant impact in its application areas. Mar 30, 2017 today we will learn about laser beam machining principle, working, equipments, application, advantages and disadvantages with its diagram. View electron beam machining ppts online, safely and virus free. Laser beam machining lbm is a non conventional machining manufacturing process, a form.
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