Daya yang digunakan berkisar 50 200 kv untuk kecepatan electron 5080% kecepatan cahaya. Ebm is a highenergybeam machining process electrical energy is used to generate highenergy electrons the. Electron beam machining ebm electron beam machining is a thermal nontraditional process, uses electrical energy to generate thermal energy for removing material. Notes on electron beam machining ebm me mechanical. Other articles where electronbeam machining is discussed. 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. This will generate high heat energy and melts and vaporize metal from work piece. Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam impinges on work piece. Electron beam equipment eb welding machines electron. Electron beam welding process, applications and equipment. A detailed notes on electron beam machining process, and surely helps you. Electron beam melting ebm is a metal powder bed fusion pbf process in which the heat source is an electron beam. Electron beam welding is a welding process that uses the heat produced by a beam of high energy electrons. 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.
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. Kemudian digunakan di dunia industri sejak tahun 1960an untuk. Depending upon the intensity of heating the workpiece can melt and vaporize. Unlike laser powder bed fusion lpbf, it uses, as its name suggests, an electron beam to fuse metal particles and create. Depending upon the intensity of heating the work piece can melt and vaporize. Electron beam melting ebm is part of the powder bed fusion family. 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. The raw material metal powder or wire is placed under a vacuum and fused together from heating by an electron beam.
View electron beam machining process ppts online, safely and virusfree. Electrons hit the workpiece and their kinetic energy is transformed to the thermal energy heating the metal so that the sides of the workpiece can be joined and a weld can be formed after freezing the electron beam. The nontraditional machining methods include, ultrasonic machining, laser beam machining, water jet machining, abrasive water jet machining, electron beam machining, etc. Ebm and lbm are typically used with higher power density to machine materials. Electron beam machining ebm ntm 14 anuniverse 22 anuniverse 22. After passing through the anode, the electron beam is diverging rapidly and traveling at approximately 150000 ms. Working principle of electron beam machining in the electron beam gun the electric beam. Electronbeam additive manufacturing, or electron beam melting ebm is a type of additive manufacturing, or 3d printing, for metal parts. Differently from other metal pbf processes, today, ebm is used for mass production. Electronbeam machining ebm is a process where highvelocity electrons concentrated into a. The complete guide to electron beam melting ebm in 3d. Here a steam of high speed electrons impinges on the work surface so that the kinetic energy of electrons is transferred to work. Pdf on electron beam machining electron beam machining ebm and laser beam machining lbm are thermal processes considering the mechanisms of material removal. Prototipe mesin yang memanfaatkan berkas elektron untuk penghapusan material telah dibuat oleh steigerwald pada tahun 1947.
The adobe flash plugin is needed to view this content. A magnetic coil, which functions as a magnetic lens, repels and shapes the electron beam into a converging beam. Introduction electron beam machining is one of the examples. 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. Electron beam machiningebm free download as powerpoint presentation. The ebm machine uses an electron beam gun to melt metal powder at 70.
Electron beam machining is same as laser beam machining process in which except laser, high speed electron beam. Introduction and details about electron beam machining. Electron beam machining ebm the ebm technique is used for cutting fine holes and slots in any material. Nontraditional machining processestypes,explanation,adv. This process is a steam of high speed electrons impinges on the work surface so that the kinetic energy of. Metode ini mirip dengan laser beam machining hanya saja ebm. 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. A detailed notes on electron beam machining process, and. Ebm international journal of advanced engineering and technology. Electron beam machining ebm nontraditional manufacturing.
Find powerpoint presentations and slides using the power of, find free presentations research about electron beam machining. Electron beam machining ebm applications, advantages and disadvantages mecholic no comments. The mechanism of material removal is primarily by melting and rapid vaporisation. Some machining methods rely on electrical phenomenarather than mechanical meansfor cutting and machining workpieces. The electron beam machining ebm process begins after the workpiece is placed in the work chamber and a vacuum. Ptr is an electron beam welding systems manufacturer and contract welding service provider on the leadingedge of electron beam and vacuum welding technology. Further, the beam needs to be manoeuvred if required by the gun. The beam is then passed through a variable aperture. Ebm is an alternate additive metal process in comparison to dmls, and is a perfect solution for large parts built using ti6ai4v. Electrical discharge machining edm, electron beam machining ebm working in detailed,edm projects pdf by mohammed shafi november 26, 2018 march 21, 2020 electrical discharge machining edm. Electron beam machining free download as powerpoint presentation.
Seminar on non conventional machining report download. The electron beam generates the energy needed for high melting capacity and high productivity. Yunitha ratnadilla tri adhi kusuma 1560tk37951 electron beam machining a. It is similar to the electron beam welding machine.
The modular architecture of ebess beamer series addresses various customer requirements. It can use for machining of both metal and nonmetal. Electron beam machining working principle, advantage ebm. Electron beam machining ebm is a thermal process considered for. It is also known as spark machining or spark eroding process. Inside electron beam melting ebm is an innovative technology for manufacturing orthopedic implants and aerospace applications. The cathode is generally made of tungsten or tantalum. The source of energy in electron beam machining is high velocity electrons, which strikes the surface of the workpiece and generate heat. This article provides a description of equipment used for ebm and discusses the process characteristics, applications, advantages, and disadvantages of electron beam. View and download powerpoint presentations on electron beam machining ppt. In ebm, first the electron is generated by the cathode and an annular biased grid does not allows the electron to diverge. On the turning of electron beam melted gammatial with. Electron beam machining is a kind of machining process by using highvelocity electron beam. Ppt laser beam machining powerpoint presentation free.
Electrons escapes from the hot surface and a voltage. The ebm process electron beam melting produces components by fusing layers of metal powder with an electron beam in a high vacuum. Ebm does not apply direct force pressure on workpiece, so brittle and fragile material can be machined without the danger of. Introduction ebm electron beam machining ebm is a thermal material removal process that utilizes a focused beam of highvelocity electrons to perform highspeed drilling and. Sumber energy metode ini adalah kecepatan electron yang tinggi yang mampu menabrak benda kerja dan menimbulkan panas. It is a nontraditional machining process in which no physical tool is used. The ebm technique is used for cutting fine holes and slots in any material. The future analysis of laser cutting machines market get pdf. Introduction ebm electron beam machining ebm is a thermal material removal process that utilizes a focused beam of highvelocity electrons to perform highspeed drilling and cutting. Electron beam welding parts, working, applications with. Pdf surface roughness characterisation and analysis of. Electrical discharge machining edm, electron beam machining ebm working in detailed,edm projects pdf. Discovery that a beam of electrons has ability to melt materials coincided with the discovery. Electron beam machining ebm applications, advantages and.
Electron beam machiningebm electron machining scribd. Electron beam machining ebm uses a focused beam of highvelocity electrons to remove material. The main points which will come across various competitive exams of electron beam machining process are highlighted in a bolded text so that you can grab the points easily from the given material presented below. In the electrical beam machining, electrical energy is used to generate the electrons with high energy. Electron beam machining ebm advantages and disadvantages. The main points which will come across various competitive exams of electron beam machining. Ppt laser beam machining powerpoint presentation free to download id. Principle, working, equipments, application, advantages, and.
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