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A Ga Approach To The Optimization Of Laser Beam Welding Process
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Book Synopsis A GA Approach to the Optimization of Laser Beam Welding Process by : G.Harinath Gowd
Download or read book A GA Approach to the Optimization of Laser Beam Welding Process written by G.Harinath Gowd and published by LAP Lambert Academic Publishing. This book was released on 2013-01 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Automation of a manufacturing process has become the order of the day in industries in order to achieve high production rates and high quality of finished components. However, in order to automate a process it is essential to find the best values of process variables. In turn, this requires the establishment of precise quantitative relationships between the process control variables and the chosen output responses. The scope of the proposed work is intended to develop such relationships for the chosen responses in terms of input variables and utilizes those developed relations to find the optimal set of process variables in Laser welding and Laser machining. Once the optimal values are found, then the process could be automated based on them there by reducing the manpower thus reduces the welding cost.
Book Synopsis Modelling and Optimisation of Laser Assisted Oxygen (LASOX) Cutting: A Soft Computing Based Approach by : Sudipto Chaki
Download or read book Modelling and Optimisation of Laser Assisted Oxygen (LASOX) Cutting: A Soft Computing Based Approach written by Sudipto Chaki and published by Springer. This book was released on 2018-12-15 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the basics of the Laser Assisted Oxygen (LASOX) cutting process, its development, advantages and shortcomings, together with detailed information on the research work carried out to date regarding the modelling and optimization of the process. It introduces two integrated soft computing-based models consisting of Artificial Neural Networks (ANN-GA and ANN SA) for the modelling and optimization of LASOX cutting. It also includes an in-depth discussion on the basic working algorithms of soft computing tools such as Artificial Neural Networks, Genetic Algorithms, Simulated Annealing etc. The book not only provides an approach to optimizing LASOX by means of soft computing-based integrated models, but also illustrates the practical implementation of the proposed models.
Book Synopsis Optimization of Nd:YAG Laser Welding Using Grey Relational Analysis by : Rakesh Kumar Padhi
Download or read book Optimization of Nd:YAG Laser Welding Using Grey Relational Analysis written by Rakesh Kumar Padhi and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the optimization of Nd: YAG Laser welding by using Taguchi method based GRA. The aim of this research is to optimize and predict Nd: YAG laser welding process parameters with multiple quality characteristics of economically important materials in industry through application of Taguchi method based Grey Relational Analysis as a DOE approach to design the experiments and optimize the welding operation. This was achieved by controlling selected welding parameters, such as, laser pulse width, pulse height, frequency, welding speed, shielding gas flow rate, shielding gas flow angle and focus position, and thereafter, to analyse the influence of these parameters on the weld bead geometry and the mechanical properties of the welds. The material was investigated in this work was AISI 304 SS. The analysis of variance (ANOVA) is also employed to determine the contribution of each control parameter on the welding quality characteristics. For each welded joint, the main effects and the interaction effects of the process parameters on the responses were discussed and presented graphically
Download or read book Laser Welding written by C T Dawes and published by Woodhead Publishing. This book was released on 1992-10-31 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Enables the reader both to understand and to use, in a practical manner, laser welding. The author explains the principles of laser welding and provides examples of industrial applications, examines many aspects of laser welding and devotes a complete chapter to safety.
Book Synopsis Simulation and Optimization of Laser Welding on Aluminum Alloys by : Jonathan Montalvo-Urquizo
Download or read book Simulation and Optimization of Laser Welding on Aluminum Alloys written by Jonathan Montalvo-Urquizo and published by . This book was released on 2008 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Remote Welding with Solid State Lasers by :
Download or read book Remote Welding with Solid State Lasers written by and published by Cuvillier Verlag. This book was released on 2006-03-01 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a young technology on the verge of application in series production, literature on remote welding with solid state lasers is still rare to find. The thesis at hand probably is the first encompassing text on this subject. Therefore a broad introduction into remote welding setups is given, including those with CO2 lasers for which more experience exists. Robot based CO2 laser systems suffer from a cumbersome beam delivery, which is the reason why gantry machine beds are preferred. This restriction does not exist for YAG lasers, and as a consequence more flexible systems assisted by standard articulated robots can be devised. Furthermore, an overview on remote welding process characteristics is covered. The seminal difference to conventional laser welding (or any other joining technology) is the remarkably low amount of auxiliary processing times resulting from high speed focus displacement. This is achieved by means of rotating optic units or components, favourably supported by long working distances and angular beam incidence. Process development differs in only few aspects from common laser welding, for instance shielding gas supply. Following this delineation of basic remote welding principles, suggestions on system design are given. After an extract of optics fundamentals, lens design for a welding head with large operating range is proposed. As the prevailing optic units for remote welding with solid state lasers are galvanometric scanners, their buildup is discussed, as well as postobjective scanners with alternate optomechanical designs. System development incorporates other aspects besides optic units, and thus some ideas on production oriented workpiece design are covered. Moreover, the chapter includes layouts of two laboratory clamping devices which enable fast process development and welding of thin steel foils. One of the main criteria of a manufacturing system is its precision, and a final section in this part is dedicated to a repeatability measurement setup, which was tried for three different laser welding systems. Positioning errors of the manipulator were found to be the major influence on system repeatability.
Book Synopsis On-line Optimization of the Laser Welding Process by : C. Bagger
Download or read book On-line Optimization of the Laser Welding Process written by C. Bagger and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Laser Welding written by Xiaodong Na and published by BoD – Books on Demand. This book was released on 2010-08-17 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is entitled to laser welding processes. The objective is to introduce relatively established methodologies and techniques which have been studied, developed and applied either in industries or researches. State-of-the art developments aimed at improving or next generation technologies will be presented covering topics such as monitoring, modelling, control, and industrial application. This book is to provide effective solutions to various applications for field engineers and researchers who are interested in laser material processing.
Book Synopsis The Laser Manufacturing Process by : Anooshiravan Farshidianfar
Download or read book The Laser Manufacturing Process written by Anooshiravan Farshidianfar and published by CRC Press. This book was released on 2024-08-21 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Laser Manufacturing Process is a comprehensive guide to industrial laser processes, offering insights into their fundamentals, applications across industries, production specifics, and characteristics, including mechanical, metallurgical, and geometrical aspects, as well as potential defects. The book also investigates how industrial laser processes are developed and the diverse attributes of the resulting objects, emphasizing their significance in industrial settings. Here, “objects” refer to the tangible outcomes of laser manufacturing, encompassing a wide array of products and components created through processes like cutting, welding, and additive manufacturing. These objects exhibit distinct mechanical properties, metallurgical characteristics, and geometrical precision, all of which are crucial considerations in their utility and performance within industrial environments. This book functions as a concise reference manual catering to the needs of both students and professionals who require knowledge related to laser manufacturing processes, such as laser cutting, laser welding, and laser additive manufacturing processes.
Book Synopsis Weld Procedure Development with OSLW - Optimization Software for Laser Welding by :
Download or read book Weld Procedure Development with OSLW - Optimization Software for Laser Welding written by and published by . This book was released on 1998 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weld procedure development can require extensive experimentation, in-depth process knowledge, and is further complicated by the fact that there are often multiple sets of parameters that will meet the weld requirements. Choosing among these multiple weld procedures can be hastened with computer models that find parameters to meet selected weld dimensional requirements while simultaneously optimizing important figures of merit. Software is described that performs this task for CO2 laser beam welding. The models are based on dimensionless parameter correlations that are derived from solutions to the moving heat source equations. The use of both handbook and empirically verified thermophysical property values allows OSLW to be extended to many different materials. Graphics displays show the resulting solution on contour plots that can be used to further probe the model. The important figures of merit for laser beam welding are energy transfer efficiency and melting efficiency. The application enables the user to input desired weld shape dimensions, select the material to be welded, and to constrain the search problem to meet the application requirements. Successful testing of the software at a laser welding fabricator has validated this tool for weld procedure development.
Book Synopsis Laser Beam Welding by : Tobias Buccho
Download or read book Laser Beam Welding written by Tobias Buccho and published by . This book was released on 2019-02-15 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with pulsed mode laser beam welding (LBW) on 2 mm thick Ti-6Al-4V alloy sheets. ANSYS Fluent 16.0 version is utilized to develop a generic model with Vc++ code. The model is validated with test results. The optimal LBW parameters are obtained bymaximizing the depth of penetration (DP) and minimizing the weld bead width (BW). To minimise the number of numerical simulations, Taguchi approach is adopted.The LBW parameters considered are pulse frequency, pulse width and welding speed,theabsorbed power is kept as constant.The performance indicators are width of fusion zone, depth of penetration, heat affected zone and maximum temperature. The optimal LBW parameters are found to be dependent onthe process indicators. A simple reliable modified Taguchi approach is followed to get a set of optimal LBW parameters for maximum DP and minimum BW.
Book Synopsis Laser Welding by : João Pedro Oliveira
Download or read book Laser Welding written by João Pedro Oliveira and published by MDPI. This book was released on 2020-05-13 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser welding is a high-energy process used in a wide range of advanced materials to obtain micro- to macro-sized joints in both similar and dissimilar combinations. Moreover, this technique is widely used in several industries, such as automotive, aerospace, and medical industries, as well as in electrical devices. Although laser welding has been used for several decades, significant and exciting innovations often arise from both the process and/or advanced materials side.
Book Synopsis On-line Optimization of the Laser Welding Process by : C. Bagger
Download or read book On-line Optimization of the Laser Welding Process written by C. Bagger and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Forming and Welding Processes by : Bekir Sami Yilbas
Download or read book Laser Forming and Welding Processes written by Bekir Sami Yilbas and published by Springer Science & Business Media. This book was released on 2013-07-01 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces model studies and experimental results associated with laser forming and welding such as laser induced bending, welding of sheet metals, and related practical applications. The book provides insight into the physical processes involved with laser forming and welding. The analytical study covers the formulation of laser induced bending while the model study demonstrates the simulation of bending and welding processes using the finite element method. Analytical and numerical solutions for laser forming and welding problems are provided.
Book Synopsis Process Optimization for Laser-welding of Plastics by : Jorge Moreno Sánchez
Download or read book Process Optimization for Laser-welding of Plastics written by Jorge Moreno Sánchez and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Basics of Laser Material Processing by : Grigoruants
Download or read book Basics of Laser Material Processing written by Grigoruants and published by CRC Press. This book was released on 1994-04-04 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters present the problems of stresses and strains induced in metals and nonmetals in the processes of laser heating, analyze the results, offer the ways of laser treatment that dispense with subsequent machining operations, and describe the basic approaches to increase the strength of materials during laser heating. Other topics include the practical methods of implementing the processes of laser welding, cutting, hardening, alloying, and cladding (hardfacing). Basics of Laser Material Processing is designed for scientific workers and for those students in senior- and graduate-level courses.
Book Synopsis Optimization of Laser Welding in Pulsed Nd by : Aditya Chithaluru
Download or read book Optimization of Laser Welding in Pulsed Nd written by Aditya Chithaluru and published by . This book was released on 2015 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental investigations were carried out using pulsed SLS 200 Nd: YAG laser welding of ANSI 304 stainless steel plate to determine the optimal welding conditions. The weld characteristics like the depth, width and Heat Affected Zone are taken into consideration for the optimum weld. The parameters that are kept constant during the process are pulse duration, frequency, beam diameter, by changing the parameters in the laser weld like the feed rate, power and distance of the weld we can vary the weld characteristics. The welds were analyzed by optical microscope and tensile shear tests. The optimization of weld is also done by testing the weld strength using the MTS machine in which we can test the tensile strength of the weld. The finite element analysis model of the three-dimensional heat source for pulsed laser beam butt welding was analyzed in COMSOL and ANSYS. The results of finite element analysis were used to compare the results of experimental data.
