Highpower laser beam characteristics and beam absorption 4. The noncontact nature also ensures better accuracy and zero damage to the equipment, which can often be a problem with milling cutters as they start to get old. Major application are selective weakening of individual layers in multilayer material and perforation, in particular of packaging films. Other laser material processing techniques glossary bibliography biographical sketch summary this article introduces the applications of highpower lasers in production processes. Baker, eoin murphy, duncan walkerb, and roy mcbride powerphotonic ltd, 1 st davids drive, st davids business park, dalgety bay, fife ky11 9pf, uk. The general areas of industrial material processing which are discussed here are 1 welding, 2 cutting and drilling, and 3 surface hardening. The range of procedures in which they are involved is ever increasing. Written in a style that includes both technical detail and humor, bill steens book on laser material processing is the standard by which others are judged. Web material processing perforation and scribing for selective weakening. There are three options available for marking metal. May 28, 20 rofins mps modular processing system is a multipurpose workstation for a very wide range of automated laser material processing applications. To expose the students to the basic concepts of optical fibers and their properties a,d,i b,c,e,g,l j,k 2. United spectrum instruments is a leading professional sales and service company which provides its services to both business and individuals. Laser material processing uses laser energy to modify the shape or appearance of a material.
Consequently, the solidstate ytterbium fiber laser has introduced solidstate laser sources to the material processing applications such as thicksection metal cutting and welding that had previously been considered impractical for the traditional solidstate nd. Design guidelines for direct metal laser sintering dmls the environmental impact of dmls the dmls process requires a considerable amount of energy, particularly if the costs of primary material extraction and processing are taken into consideration. Yag co 2 disc wall plug efficiency 30% 5% 10% 15% output powers to 50kw to 6kw to 20kw to 4kw bpp 45 kw laser material processing will guide you smoothly from the basics of laser physics to the detailed treatment of all the major materials processing techniques for which lasers are now essential. This course will also improve your understanding of processing some of the most common laser materials woods, acrylics and glass and will cover unique tricks and tips on the best ways to cut, mark and engrave these materials with co2 laser technology. The goal of this seminar is to provide the necessary knowledge and understanding of laser material processing on a variety of materials so that you can effectively achieve the same quality results for your business. Laser material processing interaction modification. Fusedsilica lenses provide minimized thermal focus shift and higher resistance when working at high power density. Kongju national university, department of mechanical and automotive engineering 2019 fall, engineering mathematics i. These lenses are usable for wavelength ranges of 340360 nm, 515540 nm, 1030 1080 nm, and 19002000 nm. We have focused on a handful of applications of lasers in material processing to provide the best solution for. Fast surface nanostructuring of metal alloys for tunable wettability. Introduction to laser instruments and applications when the laser was invented in 1960, it was amazingly, a solution looking for a problem. Lasers now play a major part in the processing of the disparate materials used in engineering and manufacturing. We demonstrate how the generation of plasma in this tubular geometry can lead to applications in ultrafast laser material processing in terms of single shot index writing, and discuss how it opens important perspectives for material compression and filamentation guiding in atmosphere.
Rofins mps modular processing system is a multipurpose workstation for a very wide range of automated laser material processing applications. Laser material processing, optical metrology, spectroscopy, imaging. Development of a highpower blue laser 445 nm for material. Nov 30, 2010 the informal style of laser material processing 4th edition will guide you smoothly from the basics of laser physics to the detailed treatment of all the major materials processing techniques for which lasers are now essential.
This method of material modification provides a number of advantages such as the ability to quickly change designs, produce products without the need for retooling, and improve the quality of finished products. Design guidelines for direct metal laser sintering dmls. While the laser s weapons potential was clear, most of the uses of lasers that have changed the world were not foreseen even by the socalled experts of the time. Process becomes faster and also highly reproducible. The absorption rate of the blue laser system for the steel was 2. And each day brings new applications and challenges. Often very specific adaption is necessary to fulfil the various requirements according to a process.
Laser material processing can be divided in several laser applications such as laser marking, laser cleaning and rust removal, laser cutting and laser welding. This course is designed to be beneficial for any level of expertise. Create mobile, sensoraware, and vr applications using processing apache spark 2. Laser processing advanced manufacturing technology centre. A specially developed coating achieves very low re. For example, a laser wood cutter works on a noncontact process that doesnt need any material fixating or changing, which saves a lot of time, especially in the long run. Laser processing can be classified into conventional laser processing and laser chemical processing. Benefits of digital laser material processing the lmj. Laser cutting machine after the analysis it was decided that the next optimization steps will involve the laser cutting machines, namely machines platino 1530 4. However, considerable energy savings are possible if the. The informal style of laser material processing 4th edition will guide you smoothly from the basics of laser physics to the detailed treatment of all the major materials processing techniques for which lasers are now essential. Field mappers for laser material processing paul blair, matthew currie, natalia trela, howard j. Laser material processing third edition by joytirmoy mazumder,william m. Yag laser due to its limited beam quality at high output power 3, 4, 9.
Instruments rofin laser material processing solutions. Mazumder, springer, 2010, 1849960623, 9781849960625. To provide adequate knowledge about the industrial applications of. Tubular filamentation for laser material processing. Materials processing using lasers materials for laser systems. Synergistic process material engineering for deployment of laser processing technology in combination with advanced material processing technologies for producing layers or components of nanophase and glassy materials. Steen and a great selection of related books, art and collectibles available now at. Synergistic processmaterial engineering for deployment of laser processing technology in combination with advanced material processing technologies for producing layers. Browse our image gallery of materials that have been processed by universal laser systems laser technology. With this growing prominence comes a need for clear and instructive textbooks to teach the next generation of laser users.
Laser drilling is a noncontact process and does not require a physical drill bit. Practising engineers and technicians in these areas will also find the book an authoritative source of information on the rapidly expanding use of industrial lasers in material processing. We have focused on a handful of applications of lasers in material processing to provide the best solution for the automotive and primary metal industry. Process control in laser materials processing the process control group at the fraunhofer institute for laser technology ilt develops and evaluates industrial process control systems. The laser materials processing lab lmpl at the university of iowa pursues research on the advancement of material processing technology and sciences. Process, material, work cycle, ambient conditions, and criteria such as throughput, precision, geometry tolerances, size of the machining surface, and. Laser material processing laser material processing steen pdf laser material processing by william steen level 2 sterile processing study material processing for android. Software tools for laser material processing software is an elementary part for the control and automatization of processes and the handling of digital data.
Laser cutting, welding, drilling or structuring when it comes to material processing, the whole diversity of laser technology can be applied. A blue diode laser has a higher absorption rate than a traditional laser, while the maximum power is limited. Conventional laser processing can be performed, at least in principle, in an inert atmosphere. To contribute to the knowledge of fiber optics and laser instrumentation and its industrial and medical application. Yag laser wavelength is used for drilling holes in metals only co 2 laser is equally suitable for drilling in metallic and nonmetallic materials. Lasermaterial processing or laserassisted machining at purdue. For further details on laser material processing, the textbook by steen 1 is the most. Practising engineers and technicians in these areas will also find the book an authoritative source of. Laser material processing is an introductory book on the application of lasers to cutting, welding, and the many new processes in surface treatment. Laser materials processing has made tremendous progress and is now at the forefront of industrial and medical applications. These laser systems were especially developed for highspeed web processing. The range of materials and cutting tasks has led to a variety of processes such deposited on top of the part and the next laser processing step begins. The informal style of laser material processing 3rd edition will guide you smoothly. Also, laser processing uses no water, oil or chemicals and leaves no particle or artifact on the sheets.
For more details on what a co 2 or a fiber laser can cut, mark or engrave please read the below reference sheet. The fiber laser can also be used to deep engrave metal and cut thin metal foils. Laserassisted materials processing lab school of mechanical engineering 585 purdue mall purdue university west lafayette, in 479071288. There are several key laser technologies employed for materials processing and each laser type, wavelength, and architecture has its advantages and key applications where it excels. This for example, is how the electronics manufacturing, semiconductor industry, automotive industry, or medical technology benefits from the advanced capabilities for laser material processing. Laser material processing is a clear and instructive textbook for students who will become the next generation of laser specialists, and it is a good source of updated knowledge for practicing engineers and technicians in optoelectronics, laser processing, materials treatment, and advanced manufacturing. Laser cutting, welding, drilling or structuring when it comes to material processing, the whole diversity of laser technology can be. It includes scribing, cutting, drilling, and welding, but also annealing. Helps you to understand how the laser works and to decide which laser is best for your purposes. This list is based on the processing capabilities of a speedy flexx machine, which combines both co 2 and fiber laser sources in one machine. Melting with a focused laser beam and molten material ejection by a high pressure gas jet know as fusion cutting co2 laser 10.
These laser systems were especially developed for highspeed webprocessing. Laser materials processing lab ding research group. The book describes recent advances in smart and nanoscaled materials going well beyond the traditional cutting and welding applications. The general areas of industrial material processing which are discussed here are 1 welding, 2. Delivering the beam to the work piece, and monitoring both the beam characteristics, as well as the process, are important enablers for any given application. The ability of lasers to produce very high power densities is the key characteristic which has led to the recent emergence of the laser as an important manufacturing tool. Rameshsingh comparison with fiber properties of various lasers courtesy ipg photonics properties fiber laser nd. Laser material processing 4th edition will be of use as university or industrial course material for senior undergraduate, graduate and nondegree technical training in optoelectronics, laser processing and advanced manufacturing.