Lecture series on manufacturing processes i by prof. Sheet metal forming basics, processes and material used. Analysis of springback during forming of the element made of ams 5604 steel analiza sprezynowania powrotnego podczas ksztaltowania elementu ze stali ams 5604 springback poses a serious problem during the design of the sheetmetal forming processes due to di. Manufacturing processes i nptel online videos, courses. Other topics include relatively new technologies, such as warm forming of magnesium and aluminum alloys, forming of advanced highstrength steels ahss, and hot stamping. Other sheet metal forming operationsquiz questions. These defects, which may occur on the surface or be internal, are undesirable not only because of the surface. Principles of metal forming technology announcements. It enjoys industrial importance among various production operations due to its advantages such as cost. The principle variables of sheet formingincluding the interactions between variablesare. Sheet metal forming processes almustansiriya university.
Higher mount of force and energy is required for metal forming process compared to other manufacturing methods. Metal forming is possible in case of such metals or alloys which are sufficiently malleable and ductile. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The course focuses on understanding the science and technology of different. Sheet metal forming processes and applications asm. Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 7 of. Metal spinning, also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part. Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 3 of.
Machining processes, which include cutting, grinding, and various nonmechanical chipless processes, are desirable or even necessary for the following basic reasons. Machining material removal by a sharp cutting tool, e. Mechanical working requires that the material may undergo plastic deformation during its processing. The temperature of work is increases due to adiabatic heating.
Nptel syllabus advanced manufacturing processes video course course outline the course covers the details of the advanced machining theory and practices, advanced machining processes, advanced metal forming processes, advanced welding processes and advanced foundry processes. Under the action of such forces, the shape and size of metal piece undergo a change. If coefficient of friction becomes very high it leads to a situation called sticking friction. Nptel provides elearning through online web and video courses various streams. An analysis of metal forming processes using large deformation elastic plastic formulations jungho cheng and noboru kikuchi department of mechanical engineering and applied mechanics, the university of michigan, ann arbor, mi 48109. High energy rate forming herf processes introduction.
Mar 17, 2016 higher mount of force and energy is required for metal forming process compared to other manufacturing methods. Thus we have both hot and cold metal forming operations. Theory of metal machining overview of machining technology. Metal forming, third edition this book is designed to help the engineer understand the principles of metal forming and analyze forming problems both the mechanics of forming processes and how the properties of metals interact with the processes. Practically all metals, which are not used in cast form are reduced to some standard shapes for subsequent processing. Fundamentals of metal forming overview of metal forming material behavior in metal forming. The term plastic deformation describes permanent shape change, in contrast to elastic deformation. Cutting and forming thin sheets of metal usually performed as cold working sheet metal 0. They include a very wide range of consumer and industrial products, such as beverage cans, cookware, file cabinets, metal desks, appliances, car bodies figure 9. Manufacturing process ii fundamentals of metal forming 1 introduction metal forming includes a large group of manufacturing processes in which plastic deformation is used to change the shape of metal workpieces. Finite element analysis of sheet metal forming process 60 3. Materials which do not become brittle at higher strain rates alone can be explosive formed. Numerical methods are used increasingly to optimize product design and deal with problems in metal forging, rolling, and extrusion processes. Individual chapters cover all major sheet forming processes such as blanking, bending, deep drawing, and more.
Metal forming processes, also known as mechanical working processes, are primary shaping processes in which a mass of metal or alloy is subjected to mechanical forces. Principles of metal forming technology course swayam. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Students were strengthening their knowledge from the rolling, forging, bending of sheet, extrusion like processes and. Metal formingintroduction to deformation processes a forming operation is one in which the shape of a metal sample is altered by plastic deformation. An elastic deformation disappears when the load is removed.
Forming processes processes which cause the metal to undergo desired shape. Forming processes include stamping, rolling, extrusion and forging, where deformation is induced by external compressive forces or stresses exceeding the yield stress of the material. Material removal processes a family of shaping operations, the common feature of which is removal of material from a starting workpart so the remaining part has the desired shape categories. Metal forming processes full notes ebook free download pdf. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. The forming processes are affected by the rates of strain used. The application of the finite element method fem for the simulation of metal forming processes has provided a rational methodology for designing and optimizing these processes. The course is meant as an introduction towards primary manufacturing processes such as casting, forming and welding. Except the forging operation, all other metal forming process are used for producing uniform cross sectioned components only. Manufacturing companies producing metals supply metals in form of ingots which are obtained by casting liquid metal into a square cross section. Medraj mech 4216511 lecture 32 example a metal obeys the hollomon relationship and has a uts of 300 mpa. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Then the problem is the time required will also be high, then and another problem is the spring back problem.
Pdf sheet metal products are used extensively in aerospace and automobile. Metal forming involves changing the shape of the material by permanent plastic deformation. In the final discussion of current research, we focus on the modelling of metal forming processes with high process dynamics, which illustrates the need for the analysis to consider elastic. Finite element analysis of sheet metal forming process. Sheet metal operations other sheet metal forming processes nptel. To access an electronic pdf document that has been purchased, the document will appear in content. For each course, reporting of issues comes with its own deadline date and time check the exam scoreecertificate as soon as you receive our notification. Metal forming is a very important manufacturing operation. Please help improve this article by adding citations to reliable sources. Manufacturing process ii fundamentals of metal forming 1.
These three shaping methods can be considered competing processes. So, metal forming process as you know they are used for plastically deforming work piece to desirable shape and obtaining optimum mechanical properties. There are a wide range of physical defects which occur during metal forming processes. Ppt metal forming processes powerpoint presentation. In order to manufacture a machine component, such as a wheel suspension arm for a car, one can choose metal forming, casting, or machining as the shaping method. Ppt metal forming processes powerpoint presentation free. The term pressworking or press forming is used commonly in industry to describe general sheetforming operations, because they. The fundamental of metal forming theory, the theories of processes of rolling, forging and stamping as well as drawing and pressing extrusion have been given.
The present course intends to give the exposure of various methods of producing thread, gear manufacturing processes as well as semi automats and automats and unconventional. Forming processes rolling, extrusion, forging, drawing dr. This is very much associated with all the conventional forming, most of the conventional forming processes applied to sheet metal forming. Deformation results from the use of a tool, usually called a. Nptel mechanical engineering manufacturing processes i. Manufacturing processes ii nptel online videos, courses. The course contents and videos uploaded are free to download for all. Forging process analysis and preform design by harshil parikh, bhavin mehta, jay gunasekera department of mechanical engineering ohio university, athens, ohio 45701 rob mayer, president queen city forging company, cincinnati, ohio 45226 abstract the purpose of this paper is to optimize the forging process and reduce the required force. Introduction of metal forming as a manufacturing process, and its relation with other processes, metal forming from systems point of view, advantages of metal forming as a manufacturing process, classifications of metal forming processes, forming equipments, presses mechanical, hydraulic. Coefficients of friction in forming processes are quiet high. Sheet metal forming processes sheet metal processes can be broken down into two major classifications and one minor classification shearing processes processes which apply shearing forces to cut, fracture, or separate the material. Fundamentals of metal forming outline 9mechanical properties example 9overview of metal forming 9cold working strain hardening 9annealing recrystallization 9temperature in metal forming 9friction and lubrication in metal forming dr.
What are the requirements for superplastic forming. Metal forming analysis the introduction of numerical methods, particularly. The term pressworking or press forming is used commonly. Spinning can be performed by hand or by a cnc lathe metal spinning does not involve removal of material, as in conventional wood or metal turning, but forming moulding of sheet.
Me 206 manufacturing processes 1 department academic. Metal forming processes indian institute of technology. Once the certificates are printed, reprint of certificates with corrections will be done only by paying additional fees. Introduction to rolling processes introduction rolled productsrolling mills typical rolling processes quiz questions. Metal forming introduction to deformation processes a forming operation is one in which the shape of a metal sample is altered by plastic deformation. Fundamental concepts of metal forming technology nptel. Unsourced material may be challenged and removed january 2012 learn how and when to remove this template message. The members of scientific committee are highly experienced professionals from. This is a commonly used manufacturing process that helps in manufacturing the parts for tons of known and unknown purposes.
Since the shear stress gets reduced at higher temperatures, the hot working requires much less force to achieve the necessary. March, 2014 ambo university institute of technology department of mechanical engineering production engineering ii. Email print pdf such as ocean engineering, biotechnology, mining and metallurgy. Download book pdf modeling of metal forming and machining processes pp 2 cite as. The components with cross holes cannot be produced easily using metal forming process. Improved lubrication if lubricating film is maintained. Manufacturing technology, me202e d24 notes unit v metal forming process mohammad amir, lecturer, department of mechanical engineering, bhcet, dhauj, faridabad121004 page 3 3. Application of the finite element method in metal forming. Metal forming and machining processes springerlink. Rolling process has a high efficiency of 75 to 95% due to its low redundant deformation and smaller deformation zone geometry. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Metal casting is a labour intensive process automation. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
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