Electrochemical machining is a method that finishes the workpiece surfaces by means of anodic metal dissolution. Electron beam machining is a kind of machining process by using highvelocity electron beam. Experimental investigation and analysis of process parameters in laser beam machining of aluminium alloy 8011 rudramuni khed student department of production engineering, d. The state of the art in the electron beam manufacturing processes. It was all about electrochemical machining ecm seminar and ppt with pdf report. Advanced manufacturing processes amps electron beam. Experimental investigation and analysis of process. Ebm is a highenergy beam machining process electrical energy is used to generate highenergy electrons the mechanism of material removal is primarily by melting and rapid vaporization due to intense heating by the electrons.
Electronbeam machining ebm is a process where highvelocity electrons concentrated into a narrow beam are directed toward the work piece, creating heat. Electron beam machining ebm introduction to 3d surface machining. Equipmentsetup slotted disc to avoid obstruction of vapor of metal into the optical window of ebm. Depending upon the intensity of heating the work piece can melt and vaporize. In this article you will know about electron beam machining. Electron beam machining ebm advantages and disadvantages electron beam machining is a thermal process used for the metal removal during the machining process. Here a steam of high speed electrons impinges on the work surface so that the kinetic energy of electrons is transferred to work producing intense heating. Numerical simulation of process by ansys software for gaining the temperature field of workpiece, the effect of parameter variation on temperature field and. A detailed notes on electron beam machining process, and surely helps you. Electronbeam machining ebm is a process where highvelocity electrons concentrated into a narrow beam are directed toward the work piece, creating heat and vaporizing the material. On this channel you can get education and knowledge for general issues and topics. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam impinges on work piece.
Introduction and details about electron beam machining. A detailed notes on electron beam machining process, and. Electron beam machining equipment the basic functions of any electron beam gun are to generate free electrons at the cathode, accelerate them to a sufficiently high velocity and to focus them over a small spot size. Much better homogeneity can be achieved by cutting the deflector tube into eight. Electron beam machining ebm kcg college of technology.
The state of the art in the electron beam manufacturing. 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. Working principle of electron beam machining in the electron beam gun the electric beam. Find powerpoint presentations and slides using the power of, find free presentations research about electron beam machining ppt. Electron beam machining ebm is a thermal machining process in which highvelocity electrons concentrated into a narrow beam are used for instantly heating, melting, or vaporizing the. Electron beam machining ebm ebm equipment equipment is contained in vacuum 104 mm hg or more in order to ensure cutting energy. The applications of the electron beam machining technology. Notes on electron beam machining ebm me mechanical.
Electron beam technology is used worldwide with an increasing tendency. Ebd is a thermal drilling process by which small through holes in the range of 0. Electron beam machining is process in which high velocity electrons are concentrated in a narrow beam and then directed towards the workpiece for machining. Electron source is an electron gun several times the intensity of a tv gun. This page contains micromachining seminar and ppt with pdf report. The electron beam as a tool is the business basis of all company units of global beam technologies ag. Even today, new applications are being developed and used industrially, especially where other beam. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam. Aim of the presentation give brief information about electro chemical machining process show the ecms working principles and tools define the advantages and disadvantages brief informations about. Seminar on non conventional machining report download abstract nontraditional machining ntm. Electrochemical machining ecm ppt and seminar free download. It was all about electrochemical machining ecm seminar and ppt.
Rapid manufacturing with electron beam melting ebm a. Through introduction of the principle and characteristics of electron beam machining technology, the application status and application instance of electron beam in research of materials science and materials processing in recent years were introduced in detail. Further, the electronic control system and the software fully meet the requirements. Electron beam machining ebm invented in germany in 1952 by dr. It is similar to the electron beam welding machine. Lecture notes on modern manufacturing process dr pramod.
Electron beam machining is the metal removal process by a highvelocity focussed stream of electrons which heats, melts and vaporizes the work material at the point of bombardment the production of. The electron beam gun has a tungsten filament, which is heated, freeing electrons. There by selective electron beam melting of welding wires or of some parts of upper powder layer of a. Electrochemical machining ecm pdf report free download. In addition to making eb and laser welding equipment, ptr assists customers with weld process development and provides maintenance and spares support for electron beam. Electron beam machining ebm advantages and disadvantages. Electron beam machiningebm free download as powerpoint presentation. Electron beam machining ebm modern machining process. The stream of electrons passes through a hole in the anode. Further, the beam needs to be manoeuvred if required by the gun.
If you liked it then please share it or if you want to ask anything then please hit comment button. Ptr is an electron beam welding systems manufacturer and contract welding service provider on the leadingedge of electron beam and vacuum welding technology. Download scientific diagram electron beam melting ebm mechanism source. Electrons accelerated by electric field are then focused into a thin beam in the focusing coil.
View electron beam machining ppts online, safely and virusfree. This video gives the working principle of electron beam machining in two minute for best understand. Ebm is an alternate additive metal process in comparison to dmls, and is a perfect solution for large parts built using ti6ai4v. Module iii 11 hours introduction to surface engineering, high speed machining. The cathode is generally made of tungsten or tantalum. View and download powerpoint presentations on electron beam machining ppt. Electron beam machining is the process is done by highvelocity electrons developed in the electron. Electron beam machining free download as powerpoint presentation. This will generate high heat energy and melts and vaporize metal from work piece. Finiteelement simulation of electron beam machining ebm process. Digitally controlled deflection of an electron beam with a miniature. Electron beam machining ebm electron beam machining is a thermal nontraditional process, uses electrical energy to generate thermal energy for removing material. Electron beam machine process hanwha aerospace usa. The research situation of the previous various electron beam machining.
The electrons are accelerated from the source with highvoltage potential between a cathode and anode. Here a steam of high speed electrons impinges on the work surface so that the kinetic energy of electrons is transferred to work. Deflection coil moves the elctron beam along the weld. Electrochemical machining ecm seminar with pdf report. Electron beam welding process, applications and equipment.
Nontraditional manufacturing processes nontraditional manufacturing processes is defined as a group of processes that remove excess material by various. Function is to generate, shape and deflect the electron beam to drill or machine the workpiece. When this high velocity electron strikes the workpiece, it melts and vaporizes the material from the workpiece. The ebm machine uses an electron beam gun to melt metal powder at 70. Working principle of electron beam machining in the electron beam gun the electric beam is. View electron beam machining process ppts online, safely and virusfree. Our electron powered innovation helps create improved materials, cleaner processes and. Electrochemical machining ppt machining electrochemistry. Principles, equipment, operations, applications, advantages and limitation of ebm. It is a nontraditional machining process in which no physical tool is used. The basic functions of any electron beam gun are to generate free electrons. Electron beam deflectors, or rather beams of charged particles, are the most. Electrochemical machining ppt free download as powerpoint presentation.
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