Laser beam machining lbm is a non conventional machining manufacturing process, a form. These methods form a group of processes which removes excess material by various. Working principle the laser beam is focused onto the work piece and can be moved relative to it. Shaping of the diode laser beam by optical integrators is the challenge.
Often, these beams are within the visible spectrum of light. Ppt laser beam machining lbm powerpoint presentation free. There is a inverse relationship between cutting rate and material thickness. Instead of a flashlamp, direct electrical energy is used to provide. Graphite materials are widely utilized as electrical discharge machiningedm electrodes for fabricating molds for diecasting, plastics and more. Microsofts free reader application, or a booksized computer this is used solely. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. At present, plasma arc machining pam and laser beam machining lbm represents the most modern machining technologies used in the industry domains such as. It offers its competences from macro machining to micro and nanomachining of simpletocomplex shapes. This beam can be focused by means of a lens on a very small.
Micromachining seminar report, ppt, pdf for mechanical. The micromachining laser system is suitable for a very wide variety of micromaching operations on a large number of materials. Current research and development in laser beam machining. In fact, its a subtractive manufacturing process in which a laser beam is used for cutting through the metals and other materials for getting the desired product. Laser welding is by far the most efficient and fast welding technique ever. The adobe flash plugin is needed to view this content. Electronbeam machining is a kind of machining process by using highvelocity electron beam. As there is an absence of direct contact between the tool and the work piece. Current research and development in laser beam machining \lbm\. Ppt laser engineered net shaping powerpoint presentation free to view id. Lbm uses the light energy focused coherent beam of monochromatic.
Laser beam machining lbm prepared by, vaishali desai yaminiba chudasama. Such processing is carried out utilizing the energy of coherent photons or laser beam, which is mostly converted into thermal energy upon. Applications 1 processing of all kinds of materials like plastic,leather,cork etc. Laser beam machining process uses highly coherent light source. Lbm is one of the advanced machining processes which are used for shaping almost whole range of engineering materials. What happens if you focus a 5w laser with a giant magnifying glass. Our inhouse engineering and design staff consists of electrical, mechanical, and optical engineers. Electron beam machining ebm and laser beam machining lbm are. A laser device excites the atoms in a lasing medium. The machining results of laser cutting depend on both machining process parameters and laser parameters. The tool is especially useful for rapid prototyping of miniature 2 12d parts in most materials including metals, polymers, ceramics and semiconductors. The main operating parameters associated with laser assisted machining are.
A laser machine consists of the laser, mirrors for. A laser beam can be bounced off a target such as enemy air plane or ship,to determine its distance and speed. Laser beam machining lbm is one of the advance manufacturing processes which are used for. Machining is the broad term used to describe removal of material from a workpiece includes cutting, abrasive processes grinding, advanced machining processes electrical, chemical, thermal, hydrodynamic, lasers automation began when lathes were introduced in 1700s now have computer numerical control cnc machines. Laser beam machining lbm kcg college of technology. It finds wide applications in various industries like space tech, automobiles, avionics, shipbuilding and many others manufacturing process. Download the seminar report for laser beam machining. A laser beam is a powerful, narrow, monochromatic and directional beam of electromagnetic radiation.
Laser beam machining lbm, state of the art and new opportunities. In ebm, electrons are accelerated to high velocity as half of the light speed, then it is impinged to. Mechanical machining is not possible since it could greatly affect. View electron beam machining process ppts online, safely and virusfree. This page contains laser communications seminar and ppt with pdf report.
Presentations ppt, key, pdf logging in or signing up. Laser beam machining lbm has proven its applications and advantages over almost all the range of engineering materials. The tool uses mirrors that direct the proton laser beam to the desired cutting location. Hence, it was realize to develop some nonconventional machining methods known as advanced machining processes. The custom manufacturing division of haas laser technologies, inc. Parametric analysis of cutting parameters for laser beam. Major applications of laser beam is in cutting of metals and non metals, soft. Electrical discharge machining edm applications toyo. Laser beam machining full seminar report, abstract and. Singh, balbir singh modern machining processes presents unconventional machining methods which are gradually commercial acceptance. Laser beam machining, laser beam hybrid machining, and. Laser beam delivery micromachining laser system laser beam. Ppt laser beam machining lbm powerpoint presentation. Laser stands for light amplification by stimulated emission of radiation.
A laser cutter is a prototyping and manufacturing tool used primarily by engineers, designers, and artists to cut and etch into flat material. 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. All aspects of mechanical, electrochemical and thermal processes are comprehensively covered. High energy lasers are being employed to destroy enemy air crafts and missiles. Production of laser beam and with the use of lasers. In this process, a laser beam is focused for melting and vaporizing to. Ppt laser beam machining powerpoint presentation free to download id. 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 machining latst authorstream presentation. It is similar to the electron beam welding machine.
Custom manufacturing laser beam delivery system laser beam. Laser beam machining is the property of its rightful owner. Laser beam machining lbm, response surface methodology rsm, genetic algorithm ga, optimization. Control parameters optimization of laser beam machining. Explore micromachining with free download of seminar report and ppt in pdf and doc format. However in electrochemical machining there is a physical tool that is very much required for machining in ntm, the tool need not be harder than the work piece material. This page contains micromachining seminar and ppt with pdf report. These lasers can generate 400 to 1,500 watts of power, which can cut through 1inch 2. Ppt laser engineered net shaping powerpoint presentation.
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. Laser cutters use a thin, focused laser beam to pierce and cut through materials to cut out patterns and. Laser beam machining or more broadly laser material processing deals with machining and material processing like heat treatment, alloying, cladding, sheet metal bending etc. Laser beam machining lbm 1 laser beam machining lbm by.
Ppt laser cutting machine powerpoint presentation free. I thought anyone reading this material is supposed to know already what laser is, how it works and which types are. 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 free download as powerpoint presentation. How to simulate laser beam machining process on a composite material. 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. Electrical discharge machining edm electrical discharge machining edm toyo tanso provides a wide range of graphite materials for edm. Click on the link below to view more pictures and read more about investigating solidification with. Download your full reports for laser beam machining.
Welcome to this session on laser beam machining under the course advanced. Electric discharge wire cutting electron beam machining laser beam machining plasma arc machining conventional thermal cutting processes 24 electric discharge processes metal removal by a series of discrete electrical discharges sparks causing localized temperatures high enough to melt or vaporize the metal can be used only on electrically. Nontraditional manufacturing processes nontraditional manufacturing processes is defined as. Many different types of lasers have been developed, with highly. A laser beam machining lbm database for the cutting of ceramic tile. Laser, a device that stimulates atoms or molecules to emit light at particular wavelengths and amplifies that light, typically producing a very narrow beam of radiation.
A co2 laser is one of the more powerful types of laser used in laser beam machining. Download laser communications complete documentation with ppt and pdf for free. 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. The light produced is a coherent, monochromatic and collimated beam which can be focused to small spots of diameter of 0. Ppt laser beam machining lbm powerpoint presentation free to download id. Laser beam machining can be used for cladding, cutting, welding and drilling.
Introduction laser beam machining lbm is a novel thermal energy based advanced machining process which can be used for machining a wide range of materials. Laser beam machining 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. Ppt laser beam machining powerpoint presentation free. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. The laser cutting machines initially casts laser beam on the surface of work piece, melts it and finally evaporates the particular area of work piece using the energy released by laser. This is ppt all about laser beam machining which is a unconventional machining process that can be used even on those materials that cant be machined with conventional processes.
The emission generally covers an extremely limited range of visible, infrared, or ultraviolet wavelengths. Electric discharge wire cutting electron beam machining. About 29% of these are laser engraving machines, 5% are laser equipment parts, and 21% are laser cutting machines. Yag produces a green light with a wavelength of 532 nm. Laser beams are being used for a variety of industrial applications. The adaptability of laser beam machining allows them to perform more than one function, and the wide range of industries that often use laser beam machining technology includes automakers and jewelers. S kovalenko, t matsunawa, a ostendorf, r poprawe, w schulzlaser machining by short and ultrashort pulses, state of the art and new opportunities in the age of the photons.
Current research and development in laser beam machining lbm. A wide variety of laser beam machine machine price options are. Laser power, spot diameter of the laser beam, cutting speed, feed rate and depth of. Laser machining is characterized by a number of advantages such as the absence of tool wear, tool breakage, chatter, machine deflection, and mechanically induced material damage, phenomena that are usually associated with traditional machining processes.
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