Hardening electron beam hardening for high loadbearing capacity and a long service life. Electron beam beam anglebroken corner of copper shield copper backup bar fig. Micro drilling efficient drilling using electron beam technology for industrial filters and screens. This vacuum all but elimintats the introduction of impurtities. The pro beam group is a global leader in the field of electron beam and laser technology. 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 welding systems. Welding industry electron beam welding for standard metals. The kinetic energy, which turns into heat upon impact, causes the two pieces to fuse together as a welded component. Electron beam welding produces a minimal heat affected zone haz in the materials being joined but requires the welding to be done in a vacuum atmosphere. Electron beam engineering provides services throughout the u.
Electron beam technology offers manufacturers easy automation, comprehensive monitoring of all process parameters and high design freedom for the production of vehicle components such as chassis, drive trains, transmissions and engines. Due to its particular shape which can be compared to a concave mirror as used in light optic, the wehnelt cylinder also effects, besides the beam current ad justment, the electrostatic focussing of the electron beam. Electron beam, laser beam and plasma arc welding studies by c. It can be operated using any external probeam electron beam generator and is available with turningswivelinglifting equipment that ensures the precise seating of workpieces electron beam welding, despite a long history and widespread arc and laser technology, is still widely used in industry. Beam probing beam probing enables the characteristics of the electron beam to be confirmed prior to welding and is a very useful weld diagnostic tool. Electron beam welding is the ultimate fusion welding process. Where other welding processes have their limitations, the electron beam process ensures optimum results for the aerospace and automotive industries. Pdf electron beam welding, despite a long history and widespread arc and laser technology. Electron beam welding ebw is a fusion welding in which coalescence is produced by heating the workpiece due to impingement of the concentrated electron beam. Electron beam quality electron beam engineering, inc. Electron beam welding demonstration, july 2017 youtube. Electron beam welding electron beam engineering, inc. This high speed stream of electrons is tightly focused using magnetic fields and applied to the materials to be joined. Electrons are generated via an electron gun and then accelerated to very high speeds using electrical fields.
Influence of surface roughness in electron beam welding. Ebe is located in anaheim california and specializes in working with complex components for a variety of applications including medical, sensor, aerospace, and. Pdf electron beam welding and laser manufacturing at the. Optimal welding parameters were determined in prior. The workpiece melt as th slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It specializes in electron beam welding, hardening and drilling.
About pro beam learn more about pro beam, the leading experts in electron beam technology. Dvs research seminar 2014 electron beam welding as a tool for joining technology. Electron beam welding merupakan proses pengelasan yang memanfaatkan sorotan elektron berkecepatan tinggi untuk mencairkan benda kerja. The wire feeder equipment allows welding with additional material and the development of 3d printing applications. The system is optionally available with turningswivelinglifting equipment. The main applications for this high efficiency welding process are. Handbook of electron beam welding by bakish, robert a. Big science welding electron beam welding for large projects from science and research. Whether in research, the automobile or aerospace industry our services and systems are represented in virtually every industry.
An international history of electron beam welding germany. Ebw is often performed under vacuum conditions to prevent dissipation of the electron beam. Twis multidisciplinary team has decades of experience with inchamber electron beam eb welding. Today we will learn about electron beam welding, principle, working, equipments, application, advantages and disadvantages with its diagram. In addition to making eb and laser welding equipment, ptr assists customers with weld process development and provides maintenance. We specialize in welding, hardening, drilling and surface coating. Some observations on the electron beam welding of copper beadonplate welds show the effects of impurities, focus position and energy input, and high rates of heat input can retard recrystallization effects by l. The electrons hit the workpiece and their kinetic energy turns into thermal energy heating the metal so that sides of the workpiece are joined and a weld can be formed after freezing. Live demo of the power of our pro beam k2000 electron beam welding chamber, for a vip visit in july 2017. Electron beam welding advantages,disadvantages and. The probeam group is a global leader in the field of electron beam and laser technology.
Electron beam eb welding is a fusion welding process whereby electrons are generated by an electron gun and accelerated to high speeds using electrical fields. Welding was carried out with a probeam universal chamber machine, equipped with a 45kw ebgun. Electron beam welding machines are engineered for high performance with advanced computer controls, data logging and beam control mechanisms. A beam focusing device is included, and the workpiece is usually placed in an evacuated chamber to allow uninterrupted electron travel. We offer solutions for electron beam welding and drilling, along with surface coating solutions. Many metallic materials and material combinations can be welded using an electron beam at a higher speed and with practically no ejections. Our customers can choose depending on their requirements between contract manufacturing by probeam or their own customerspecific system supplied by probeam. Electron beam welding spike suppression using feedback.
The welding voltage range for low voltage equipment or for thin welding is about 5 30 kv and for high voltage equipment or 70 150 kv for thick welding. Fitted with high magnification optics, cnc 3 axis work manipulation, wirefeed, and 9 diameter x 72 extension tubes. The k 40 welding system can be operated with any external pro beam electron beam generator. Electron beam welding process applications and equipment. The energy of these electrons is converted to heat upon impact. Pdf electron beam welding ebw technology is an established. Electron beam welding ebw technology is an established and widely adopted. The high energy density of the electrons melts sheets or cylindrical workpieces at a defined location without affecting the surrounding areas. Pronexos has 50 years of experience in electron beam welding ebw a welding process that produces coalescence with a concentrated beam composed primarily of highvelocity electrons, impinging on the joint. Eb welding offers numerous benefits to a wide range of industry sectors and applications. Finished components are ready to install immediately or after only. The workpieces melt and flow together as the kinetic energy of the electrons is transformed into heat upon impact. Electron beam welding ptrprecision technologies, inc.
Electron beam engineering provides precision electron beam welding and laser beam welding services throughout the united states, europe, and australia. Electron beam welding process, applications and equipment dr. Ebe facilities equipment list electronbeam welding. Measurement and control of the beam energy distribution can be as important as control of the main parameters such as the accelerating voltage, beam current, welding speed etc. Electronbeam welding ebw is a fusion welding process in which a beam of highvelocity electrons is applied to two materials to be joined. Electron beam drilling is ideally suited for small hole diameters large numbers of holes and deep drilling.
Electron beam welding achieves precise results with minimum stress and warping of workpieces. In addition to building advanced eb systems, ptr provides electron beam welding services using stateofthe art equipment supported by experienced welding engineers. Electron beam welding systems, eb welders ptrprecision. Banas united aircraft research laboratories i summary a direct comparison was made of electron beam, laser beam and arc welding processes in ti6alw alloy in nominal thicknesses of 0.
Electron beam welding advantages,disadvantages and application introduction to e beam welding. Publication date 1964 topics electric welding, electron beams, electric welding, electron beams publisher new york, j. Electron beam welding, despite a long history and widespread arc and laser technology, is still widely used in industry. Electron beam welding is a fusion welding process in which a beam of highvelocity electrons is applied to the material to be joined. The k 640 is a true allrounder because it can be used universally for a wide range of component types. Some observations on the electron beam welding of copper. Electron beam engineering selected as qualified laser. Electron beam welding using ebw consists of a highly focused, high speed stream of electrons that bombard the component to be welded. Electron beam welding machines are engineered for high performance with advanced computer controls, data logging and beam. Ptr is an electron beam welding systems manufacturer and contract welding service provider on the leadingedge of electron beam and vacuum welding technology. Ebe facilities equipment list qty mfg description chamber size 3 ebe beamer 2 x 60 kv 3 kw electron beam welders 1 x 60 kv 5 kw electron beam welders 12 cube 2 ebe beamer 60 kv 3 kw electron beam welder. Liquid state welding are those welding processes in which, the metal to metal joint form in liquid or molten state.
Electron beam welding process, applications and equipment. Application of the 500 kv ultrahigh voltage electron beam to welding was then investigated and it was found that this beam enabled a penetration depth of 200 mm in flat position welding with a. Electron beam welding ebw technology is an established and widely adopted technique in nuclear research and development area. Electron beam welding is a liquid state welding process. The beam of electrons creates kinetic heat as it impacts with the workpieces, causing them to melt and bond together. The electron beam is also an efficient and economical tool for precise welding of filigree copper hairpins such as those used in electric drives. Eb welding 6 eb welding thanks to the maximum power density, the electron beam generates very narrow. Over 40 years of expertise in all relevant electron beam processes. Electron beam welding is a welding process utilizing heat generated by a beam of high energy electron. The process is used without shielding gas and without the application of pressure.
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