Comparison of conventional deep drawing, hydromechanical. Generally, an ebook can be downloaded in five minutes or less. Theory, simulation and practice addresses all aspects of micromanufacturing technology, presenting detailed technical information and the latest research developments the book covers fundamentals, theory, simulation models, equipment and tools design, practical micromanufacturing procedures, and micromanufacturingrelated supporting systems, such as laser. Increasing use of new technologies in automotive and aircraft applications requires intensive research and developments on sheet metal. Hora, lnstitut fur umformtechnik, ethzurich submitted by e. Matthias an analysis, based on the energetic stability criterion combined with numerila. An experimental study on nonisothermal deep drawing. Check out other translated books in french, spanish languages. A new type of passivepressurized hydromechanical deep drawing phdd tooling with two pistons is designed and manufactured. The main focus of this course is on deep drawing of vehicle body parts. Hydromechanical deep drawing with uniform pressure on the. The deep drawing process involves a great deal of sliding of the sheet material along the tools.
Springback of hydro mechanical deep drawn parts authors. Read theoretical study on hydromechanical deep drawing process of bimetallic sheets and experimental observations, journal of materials processing technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at. Apart from its use in many other sectors, it is applied in the automotive industry for. Drawing tools nageswara rao posinasetti 1 february 6, 2012 2 february 6, 2012 sheet metal operations drawing is the process of making cups, shells, and similar articles from metal blanks. It is a hybrid approach that integrates the advantages of both hydroforming and warm forming and offers even further benefits and opportunities. In this paper a numerical study of hdd of a can box is presented. Micro hydromechanical deep drawing of metal cups with hydraulic pressure effects liang luo 1, zhengyi jiang 1, 3, dongbin wei 2, xiaogang wang 3, cunlong zhou 3, qingxue huang 3 1. Pdf investigation of hydrodynamic deep drawing for. Warm hydroforming modern manufacturing processes wiley. Hydromechanical definition of hydromechanical by the free. Other readers will always be interested in your opinion of the books youve read.
Under certain conditions, this sliding will cause friction between the tools and the material. It is thus a shape transformation process with material retention. Hydromechanical deep drawing another sheet metal drawing process. Hydromechanical deep drawing of cups with stepped geometries. Special considerations for deep drawing of aluminium sheet metal. Preface the book metal forming, a translation of the eighth revised edition of umformtechnik in german, describes the latest technology in the sector of metal forming. This part has also been analyzed in the deep drawn part sample.
Technical drawing is concerned mainly with using lines, circles, arcs etc. Jens buchert, university of applied sciences, aalen, germany. In a cabinet drawing, receding surfaces are drawn onehalf size. Some of the unconventional processes include hydromechanical deep drawing. On the scale dependence of micro hydromechanical deep drawing. Among them, hydromechanical deep drawing hdd is, probably, the process which has gained the major interest in industries in the last few years. Apart from its use in many other sectors, it is applied in the automotive industry for the manufacturing of car body parts. Deep drawing analysis when a cup or box shaped part is produced from sheet metal, one possible processing alterna ve is deep drawing. Hydromechanical definition of hydromechanical by the. Pdf warm hydromechanical deep drawing of aa 5754o and. Click on the link below to download the book click here download free. In the first part of the current study, whdd of aa 5754o was studied. Deep drawing is a sheet metal forming process in which a sheet metal blank is radially drawn. In this study, the effect of this relative tooling feature size on drawing characteristics and effects to improve the drawability, such as friction holding effect, hydrodynamic lubrication effect and compression effect by blank.
Deep drawing characteristics of square cups through. Two materials, a lowcarbon steel dc04 and stainless steel din 1. The influence of geometrical features of a pressure. This paper deals with the hydromechanical deep drawing of metal cups with complex stepped geometries. In this tutorial, we will examine the deep drawn part shown below. One of the largest applications of hydroforming is the automotive industry, which makes use of the complex shapes made possible by hydroforming to produce stronger, lighter, and more rigid unibody structures for. Numerical simulation conducted by finite element method is one of the most powerful tools for analyzing metal forming processes. Pdf forming conical parts is one of the complex and difficult fields in. Heated hydromechanical deep drawing of magnesium sheet metal. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle.
The warm hydroforming parameters that affect the part. Wagner, institut fur umformtechnik, universitat stuttgart objectives. Microhydromechanical deep drawing of metal cups with hydraulic pressure effects liang luo 1, zhengyi jiang 1, 3, dongbin wei 2, xiaogang wang 3, cunlong zhou 3, qingxue huang 3 1. Theory, simulation and practice or any other file from books category.
Sep 01, 2012 read theoretical study on hydromechanical deep drawing process of bimetallic sheets and experimental observations, journal of materials processing technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Microhydromechanical deep drawing of metal cups with. There is generally very little constructive work which can be done by other departments within the firm without an approved drawing of some form being available. Ifu stuttgart alu training in aluminium application technologies hydromechanical deep drawing 3704. Deep drawing is a sheet metal forming process that involves complex material flow and force distributions. Liewald m 2008 hydromechanical deep drawing of cups with stepped geometries. Pdf theoretical study on hydromechanical deep drawing. Differences in strains obtained for the conventional and hydromechanical deep drawing process as well as process limitations are presented. Pdf investigation of hydrodynamic deep drawing for conical. Investigation of hydrodynamic deep drawing for conicalcylindrical. Hydroforming is capable of producing parts within tight tolerances including aircraft tolerances where a common tolerance for sheet metal parts is within 0. Jmmp free fulltext manufacturing of metallic bipolar.
Hydromechanical deepdrawing of aluminiumalloys at elevated. The sheet of metal is formed into 3d product by deep drawing process. Theoretical study on hydromechanical deep drawing process. Read investigation of hydrodynamic deep drawing for conicalcylindrical cups, the international journal of advanced manufacturing technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Conventional deep drawing of automobile parts which have large outer surface areas such as roofs, doors and hoods leaves. Le corbusier all that you need in the way of technique for drawing is bound up in the technique of seeing that is, of understanding, which after all is mainly dependent on feeling. Engineering drawing, also called technical drawing and engineering graphics, is the. The study of the mechanics of fluids or the laws of equilibrium and motion concerning fluids. Theoretical study on hydromechanical deep drawing process of bimetallic sheets and experimental observations. The process is considered deep drawing when the depth of the drawn part exceeds its diameter. Investigation of hydrodynamic deep drawing for conical. Rao, manufacturing technology, tata mcgraw hill, 1998.
However, it is very important that the drawing produced to be accurate and clear. Deep drawing deep drawing is one of the most widely used processes in sheet metal forming. Hydroforming is a costeffective way of shaping ductile metals such as aluminium, brass, low alloy steel, and stainless steel into lightweight, structurally stiff and strong pieces. Deep drawing draw ratio blank holder blank holder force tube hydroforming these keywords were added by machine and not by the authors. Deep drawing using a novel hydromechanical tooling.
It is a language of communication between architects and engineers, usually to convey information about the object. A new type of passivepressurized hydromechanical deepdrawing phdd tooling with two pistons is designed and manufactured. Sheet metal drawing is a more complex operation than cutting or bending, and more things can go wrong. Deep drawing is a manufacturing process that is used extensively in the forming of sheet metal into cup or box like structures. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Finite element analysis of nonisothermal warm deep drawing of. Finite element analysis of nonisothermal warm deep drawing of dual phase steel. Warm hydromechanical deep drawing whdd has increasingly been implemented by automotive industry due to its various benefits including mass reduction opportunities in auto bodyinwhite components and improved formability for lightweight alloys. So far, it has mainly been applied for small batches, but it offers substantial advantages regarding both costs and installation space compared to the established graphite based solutions. One new possibility for an efficient manufacturing process of these metallic bipolar. Sheet hydroforming conical cup hydrodynamic deep drawing finite element simulation. Newly developed technology, including micro wedge rolling, micro flexible rolling and micro hydromechanical deep drawing, as well as traditional methods, such as micro deep drawing, micro bending and micro ultrathin strip rolling, are discussed. Free mechanical engineering drawing book to download the book.
Tooling feature size to minimum thickness becomes small in micro scale products and its ratio affects the deformation behavior in micro sheet forming significantly. To avoid this problem the hydromechanical deep drawing process has been modified in such a way, that the pressure on the flange is uniform throughout the deep drawing. Heated hydromechanical deep drawing of magnesium sheet. This book on machine drawing is written, following the principles of drawing, as recommended by bureau of indian standards bis, in their standards titled engineering drawing practice for schools and colleges. Talat lecture 3704 deep drawing 15 pages, 16 figures advanced level prepared by k. Machine drawing p s gill full notes pdf free book download. Hydromechanical deep drawing another sheet metal drawing process which has. Hydraulicpressureenhanced deep drawing techniques generally increase the depthtodiameter ratio possible in cup drawing.
This process is experimental and the keywords may be updated as the learning algorithm improves. Teaching the most important fundamental laws governing deep drawing. Theoretical study on hydromechanical deep drawing process of. Apr 02, 2011 read investigation of hydrodynamic deep drawing for conicalcylindrical cups, the international journal of advanced manufacturing technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. This is the only book on machine drawing, incorporating the. Maximum punch velocities of 35 mms and 300 mms were obtained for the al and mg alloys, respectively. Producing metallic bipolar plates for proton exchange membrane pem fuel cells by forming is still a topic of research. The advantages of hydromechanical deep drawing such as increased deep drawing ratio, transfer of complex contours from punch to the blank surface, reduction of drawing stages. Hydromechanical deep drawing of stepped geometries is proven to be feasible. Hydromechanical deep drawing, geerts deep drawing and re.
Jens buchert, university of applied sciences, aalen, germany david k harrison, glasgow caledonian university, glasgow, uk. Pdf machine elements in mechanical design download pdf. Jun 06, 2014 animation hydromechanical deep drawing, geerts deepdrawing, the specialist in deep drawing metall. It will further show how the process parameters temperature and fluid pressure influence the deep drawing process. This process is sometimes called drawing and is not. Brandes ea, brook gb 1992 smithells metals reference book. This paper presents a technology that combines the different effects used in hydromechanical and warm deep drawing to reduce the drawing force and to. Mechanical engineering drawing book pdf mechanical engineering drawing book pdf, engineering drawing symbols and their meanings pdf at drawing design then we can present our concept in a drawing format hehe the video tutorial link is added. This is the only book on machine drawing, incorporating the latest standards published. This paper will give an overview about the heated hydromechanical deep drawing process of magnesium sheet metal.
473 619 20 760 583 970 369 383 122 764 425 1125 542 1235 972 443 128 1361 692 1035 1030 1427 168 1094 1084 1081 759 415 1362 1262 1055 340 1449 358 970 593 616 738 709 363 765 52