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Author : Guohua Zhang
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.3/5 (91 download)
Download or read book Analysis and Optimization of Sheet Metal Flanging and Hemming Processes written by Guohua Zhang and published by . This book was released on 2001 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amrut Mulay
Publisher : CRC Press
ISBN 13 : 1040027318
Total Pages : 371 pages
Book Rating : 4.0/5 (4 download)
Download or read book Analysis and Optimization of Sheet Metal Forming Processes written by Amrut Mulay and published by CRC Press. This book was released on 2024-06-13 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis and Optimization of Sheet Metal Forming Processes comprehensively covers sheet metal forming, from choosing materials, tools and the forming method to optimising the entire process through finite element analysis and computer-aided engineering. Beginning with an introduction to sheet metal forming, the book provides a guide to the various techniques used within the industry. It provides a discussion of sheet metal properties relevant to forming processes, such as ductility, formability, and strength, and analyses how materials should be selected with factors including material properties, cost, and availability. Forming processes including shearing, bending, deep drawing, and stamping are also discussed, along with tools such as dies, punches, and moulds. Simulation and modelling are key to optimising the sheet metal forming process, including finite element analysis and computer-aided engineering. Other topics included are quality control, design, industry applications, and future trends. The book will be of interest to students and professionals working in the field of sheet metal and metal forming, materials science, mechanical engineering, and metallurgy.
Author : Hsien-Chih Wu
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (428 download)
Download or read book Analytical and Numerical Investigations of Sheet Metal Bending, Flanging and Hemming written by Hsien-Chih Wu and published by . This book was released on 1999 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quality and preciseness requirements for automobile parts are getting more severe year by year. One of the significant factors to determine a high quality automobile is their appearance. The outer panel surface quality includes the matching quality among press- formed parts and fitting quality which involves the dimensions of uniformity in clearance and level-mismatch between panels. A number of automotive interior and exterior panels are formed by press brake bending or flanging, then joined by hemming. Therefore, the way to get higher quality appearance is to improve press brake technologies. Traditionally the design process for bending, flanging and hemming tools are based on trial-and-error processes and on the skill of experienced die-makers. This approach results in high development cost and long lead-times. Computer simulations are good tools to predict and evaluate the tool and process design. The improvement of computer hardware and software has permitted "virtual" metal forming processes to be conducted on digital computers. Finite element method (FEM) is a numerical procedure for analyzing problems that are too complex to be solved by classical analysis methods. The main objectives of this study are to investigate the flat surface-straight edge, flat surface-contour edge and curved surface-straight edge flanging and hemming processes. Furthermore, The development of new tool design method for flanging and hemming is included. To achieve these goals, numerical models and finite element analysis were performed to compare with experimental data. Besides, industrial flanging and hemming case studies were conducted by commercial FEM package. Consequently, a set of part, process and die design rules and guidelines for bending, flanging and hemming were developed.
Author : Thaweepat Buranathiti
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (613 download)
Download or read book Design and Optimization Under Uncertainty in Sheet Metal Forming Processes Constrained with Failure Analysis written by Thaweepat Buranathiti and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Through the integration of these features, the current research establishes a framework for design under uncertainty in sheet metal forming. The robust design model takes into account producibility requirements through failure analysis and uncertainties from forming conditions and material properties. The approach was demonstrated through a demonstration example of a wheelhouse stamping process used in automobile industry. In addition, model validation approaches taking uncertainty into account are demonstrated in a simulation of a sample flanging process. Overall, this research presents the methodology and feasibility of implementing the framework for design and optimization under uncertainty, which can certainly be generalized for other industrial cases.
Author : Ganesh M. Kakandikar
Publisher : CRC Press
ISBN 13 : 149879615X
Total Pages : 248 pages
Book Rating : 4.4/5 (987 download)
Download or read book Sheet Metal Forming Optimization written by Ganesh M. Kakandikar and published by CRC Press. This book was released on 2017-10-16 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Automotive and aerospace components, utensils, and many other products are manufactured by a forming/drawing process on press machines of very thin sheet metal, 0.8 to 1.2 mm. It is imperative to study the effect of all involved parameters on output of this type of manufacturing process. This book offers the readers with application and suitability of various evolutionary, swarm, and bio-inspired optimization algorithms for sheet metal forming processes. Book initiates by presenting basics of metal forming, formability followed by discussion of process parameters in detail, prominent modes of failure, basics of optimization and various bioinspired approaches followed by optimization studies on various industrial components applying bioinspired optimization algorithms. Key Features: • Focus on description of basic investigation of metal forming, as well as evolutionary optimization • Presentation of innovative optimization methodologies to close the gap between those formulations and industrial problems, aimed at industrial professionals • Includes mathematical modeling of drawing/forming process • Discusses key performance parameters, such as Thinning, Fracture, and Wrinkling • Includes both numerical and experimental analysis
Author : Tomas Jansson
Publisher :
ISBN 13 : 9789185297740
Total Pages : 30 pages
Book Rating : 4.2/5 (977 download)
Download or read book Optimization of Sheet Metal Forming Processes written by Tomas Jansson and published by . This book was released on 2005 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. H. Wagoner
Publisher : Cambridge University Press
ISBN 13 : 9780521642675
Total Pages : 396 pages
Book Rating : 4.6/5 (426 download)
Download or read book Metal Forming Analysis written by R. H. Wagoner and published by Cambridge University Press. This book was released on 2001-05-07 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2001 book describes the most important numerical techniques for simulating metal forming operations.
Author :
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (936 download)
Download or read book Analysis and Optimization of Springback in Sheet Metal Forming written by and published by . This book was released on 2015 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dr B V S rao
Publisher : Archers & Elevators Publishing House
ISBN 13 : 9386501759
Total Pages : pages
Book Rating : 4.3/5 (865 download)
Download or read book Analytical And Experimental Evaluation Of Flange Wrinkling In Sheet Metal Forming written by Dr B V S rao and published by Archers & Elevators Publishing House. This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ganesh Kakandikar
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659159688
Total Pages : 112 pages
Book Rating : 4.1/5 (596 download)
Download or read book Evolutionary Optimization Of Sheet Metal Forming written by Ganesh Kakandikar and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing/Forming/Stamping is a compression-tension forming process, which are widely used sheet metal working processes in the industries, to produce cup shaped components at a very high rate. In this process the blank is generally constrained over the draw punch into the die to give required shape of cavity. In drawing the sheet material is subject to a large plastic deformation combined with a complex flow of material. When a metal sheet is deep drawn, the development of wrinkling and a decrease in the limit drawing ratio should be simultaneously suppressed. Blank holder is applied to prevent the wrinkling in the flange & cup wall. Wrinkling is basically initiated by localized buckling due to compressive stresses in circumferential direction. Tensile stress in radial direction causes tearing. Friction coefficient is usually used as a main indicator of friction, which is dependent on material, contact surface and lubricant. Appropriate Punch nose radius & Die profile radius should be selected. The success of process depends upon various parameters and their interactions. It important to understand the influence of all parameters on process output and to optimize them."
Author :
Publisher :
ISBN 13 :
Total Pages : 816 pages
Book Rating : 4.3/5 (91 download)
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2000 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Haydar Livatyali
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.:/5 (48 download)
Download or read book Computer Aided Process Design of Selected Sheet Metal Bending Processes - Flanging & Hemming written by Haydar Livatyali and published by . This book was released on 1998 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George E. Totten
Publisher : CRC Press
ISBN 13 : 9780203912591
Total Pages : 1318 pages
Book Rating : 4.9/5 (125 download)
Download or read book Handbook of Aluminum written by George E. Totten and published by CRC Press. This book was released on 2003-03-27 with total page 1318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Aluminum: Vol. 1: Physical Metallurgy and Processes covers all aspects of the physical metallurgy, analytical techniques, and processing of aluminium, including hardening, annealing, aging, property prediction, corrosion, residual stress and distortion, welding, casting, forging, molten metal processing, machining, rolling, and extrusion. It also features an extensive, chapter-length consideration of quenching.
Author : Zeeshan Azmat
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783838344843
Total Pages : 92 pages
Book Rating : 4.3/5 (448 download)
Download or read book Optimization of Sheet Metal Forming Process written by Zeeshan Azmat and published by LAP Lambert Academic Publishing. This book was released on 2010-03 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical simulations of sheet metal forming process based on finite element method (FEM) is widely applied for its powerful capability in forming process prediction. Since there are parameters which could affect the result of forming process, it becomes important to approach a set of parameters to improve the formability. In the present work, first, a comprehensive literature review was made for different optimization methodologies in sheet metal forming process. Then we proposed an optimization methodology using Response Surface methodology (RSM) and Genetic Algorithm (GA) for the optimization of sheet metal forming process, and the theory of RSM and GA are illustrated. The presented method was first applied to an example from literature, the results verified the feasibility of the proposed methodology. Then the methodology was applied to variable binder force optimization of the NUMISHEET 93 2D draw bending problem. The work indicated that the proposed optimization methodology is efficient and universal, which means it can also be applied in other applications of aerospace industry.
Author :
Publisher :
ISBN 13 :
Total Pages : 850 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2001 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ping Hu
Publisher : Springer Science & Business Media
ISBN 13 : 1447140990
Total Pages : 218 pages
Book Rating : 4.4/5 (471 download)
Download or read book Theories, Methods and Numerical Technology of Sheet Metal Cold and Hot Forming written by Ping Hu and published by Springer Science & Business Media. This book was released on 2012-07-23 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last 15 years, the application of innovative steel concepts in the automotive industry has increased steadily. Numerical simulation technology of hot forming of high-strength steel allows engineers to modify the formability of hot forming steel metals and to optimize die design schemes. Theories, Methods and Numerical Technology of Sheet Metal Cold and Hot Forming focuses on hot and cold forming theories, numerical methods, relative simulation and experiment techniques for high-strength steel forming and die design in the automobile industry. Theories, Methods and Numerical Technology of Sheet Metal Cold and Hot Forming introduces the general theories of cold forming, then expands upon advanced hot forming theories and simulation methods, including: the forming process, constitutive equations, hot boundary constraint treatment, and hot forming equipment and experiments. Various calculation methods of cold and hot forming, based on the authors’ experience in commercial CAE software for sheet metal forming, are provided, as well as a discussion of key issues, such as hot formability with quenching process, die design and cooling channel design in die, and formability experiments. Theories, Methods and Numerical Technology of Sheet Metal Cold and Hot Forming will enable readers to develop an advanced knowledge of hot forming, as well as to apply hot forming theories, calculation methods and key techniques to direct their die design. It is therefore a useful reference for students and researchers, as well as automotive engineers.
Author : Amit Goel
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (77 download)
Download or read book Blank Optimization in Sheet Metal Forming Using Finite Element Simulation written by Amit Goel and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study aims to determine the optimum blank shape design for the deep drawing of arbitrary shaped cups with a uniform trimming allowance at the flange i.e. cups without ears. This earing defect is caused by planar anisotropy in the sheet and the friction between the blank and punch/die. In this research, a new method for optimum blank shape design using finite element analysis has been proposed. Explicit non-linear finite element (FE) code LSDYNA is used to simulate the deep drawing process. FE models are constructed incorporating the exact physical conditions of the process such as tooling design like die profile radius, punch corner radius, etc., material used, coefficient of friction, punch speed and blank holder force. The material used for the analysis is mild steel. A quantitative error metric called shape error is defined to measure the amount of earing and to compare the deformed shape and target shape set for each stage of the analysis. This error metric is then used to decide whether the blank needs to be modified or not. The cycle is repeated until the converged results are achieved. This iterative design process leads to optimal blank shape. In order to verify the proposed method, examples of square cup and cylindrical cup have been investigated. In every case converged results are achieved after a few iterations. So through the investigation the proposed systematic method of optimal blank design is found to be very effective in the deep drawing process and can be further applied to other stamping applications.
