Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 3 of. Lowcarbon steel is the most commonly used sheet metal because of its low cost and. Feasibility studies, process streamlining and predicting or compensating for springback effects are in the main concentrations here. 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. Nonferrous extractive metallurgy nptel online videos. Sold either as an individual tool or as a complete kit in a case with 7. Nptel provides elearning through online web and video courses various streams. Finite element analysis of springback of vbending sheet. It is particularly valuable for the economical production of complex shapes, ranging from massproduced parts. Manufacturing process ii fundamentals of metal forming 1. Metal forming is possible in case of such metals or alloys which are sufficiently malleable and ductile. Metal forming processes are characteristic in that the metal being processed is plastically deformed to shape it into a desired geometry. Bending of sheet metal is one of the widely used industrial processes, especially in the automobile and aircraft industries. Metal casting processes indian institute of technology.
Ppt metal injection moulding powerpoint presentation. Theory of machines institute of advanced studies in. Principles of metal forming technology course swayam. The ultimate guide of metal forging free pdf download metal forging plays an important role in the manufacturing industry. 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. Cutting and forming thin sheets of metal usually performed as cold working sheet metal 0. Principles of metal forming technology announcements. Ghosh,department of metallurgy and material science,iit kharagpur. The forging process is very important in industrial metal manufacture, particularly in the extensive iron and steel manufacturing industry.
Manufacturing processes i nptel online videos, courses. It is designed for both experts and nonexperts in the forging industry. Most sheet metals undergo a combination of bending, stretching, unbending and reverse bending during the forming process. Insert moulding process todays technological world is quite aware about the concept and usage of insert moulding in various industries. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Plastic properties of metals are used during the process of metal forming. Some of the original topics have been omitted or given in an abbreviated form in appendices. The lathe machine tool used principally for shaping articles metal.
The process was well established in the bronze age beginning c. Sheet metal forming processes mustansiriyah university. These videos are provided by nptel elearning initiative. The process involves stretching the sheet to a calculated yield point and forming it over a tool. 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. Stresses beyond yield strength of the workpiece material is required. We aim to provide you the basic and advanced foundation of metal forging. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online. Like all forming processes, in metal spinning each unique part needs is own unique tool. The course contents and videos uploaded are free to download for all more detailed. Lower and higher pairs, degrees of freedom, various types of mechanisms, their inversions and. Fundamentals of metal forming rolling forging wire drawing extrusion deep drawing fundamentals of metal forming overview of metal.
He has been teaching the courses related to manufacturing technology and theory of production. Principles of metal forming technology announcements nptel. Understanding basic principles of metal forming and further being applied by engineers and metallurgists. Important casting terms nptel course on manufacturing processes i, pradeep kumar et al. Lecture series on manufacturing processes i by prof. Casting consists of pouring molten metal into a mold, where it solidifies into the shape of the mold. Simple problems forced damped vibration vibration isolation transmissibility. 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. Parts that are redesigned or changed with larger dimension require new tooling. By mechanical working processes, the given shape and size of a machine part can be achieved with great economy in material and time. Email print pdf such as ocean engineering, biotechnology, mining and metallurgy. Apr 07, 20 nptel was the brainchild proposal which was put forward by the five main iits national program in technology enhanced learningnptel.
More than 90% of smelted metal is processed by different methods of metal forming. Hot working and cold working operatio slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. We use diverse software packages for sheetmetal forming. Dear students, welcome to the course principles of metal forming technology.
Metal casting processes indian institute of technology guwahati. An elastic deformation disappears when the load is removed. Lecture 1 introduction to metal forming technology. All forming methods have their own particular limitations and drawbacks. Manufacturing processes i mechanical engineering course from iit roorkee nptel lecture videos by dr. Strength materials khurmi kinematics machinery pdf free. The injection molded components possess a high green strength, permitting fully automated injection molding even of components with complex geometries. Metal forming metal forming is a general term for a large group, that includes a wide variety of manufacturing processes. For the aerospace industry in particular we can form both nearnetshapes out of thick plate and final product shapes out of sheet metal. Metal forming is a very important manufacturing operation. The term plastic deformation describes permanent shape change, in contrast to elastic deformation.
Manufacturing companies producing metals supply metals in form of ingots which are obtained by casting liquid metal into a square cross section. Lecture notes design and manufacturing ii mechanical. Typically, sheets of metal are sold as flat, rectangular sheets of standard size. Smart material, adaptive structures and intelligent mechanical systems iitk. Get metal forming fundamentals video tutorial, complete information for metal forming fundamentals with examples for full functionality of this site it is necessary to enable javascript. Nptel provides elearning through online web and video courses. J s campbell, principles of manufacturing materials and processes. Apr 12, 2018 41 videos play all principles of metal forming technology iit roorkee july 2018. Metal forming is the main method of making metal products and semifinished products.
Sheet stretch forming is a fast, economical, and accurate way to form a large panel from a metal sheet. Particulate materials can be processed in a few different ways, including. Analysis and technology in metal forming 29 influence of strainrate i. Manufacturing processes i nptel online videos, courses iit. Find materials for this course in the pages linked along the left. In this ebook, we will explain you all aspects of metal forging. Groover, fundamentals of modern manufacturing 2e material behavior in metal forming plastic region of stressstrain curve is primary interest. Mechanics of sheet metal forming college of engineering. Sheet metal tools 1 roper whitney hand punch punches up to 14 hole through 16 ga.
In recent years, enormous progress has been made in the analysis of forming of complex shapes using. Metal forming processes indian institute of technology. Metal forming processes indian institute of technology guwahati. Sep 25, 2011 fundamentals of metal forming overview of metal forming material behavior in metal forming temperature in metal forming. Basically, insert moulding is a process of multiple combinations of metal and plastics into a single unit. A free powerpoint ppt presentation displayed as a flash slide show on id. Therefore the first step in any sheet metal process is to cut the correct shape and sized blankfrom larger sheet. The metal spinning process is confined to concentric shapes.
Engineering plastics are user in this process for improved wear resistance, tensile strength and weight reduction. 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. Metal forming fundamentals tutorial of manufacturing processes i course by prof d. Ppt metal injection moulding powerpoint presentation free.
The course contents and videos uploaded are free to download for all. These courses are based on the curriculum of iits and iisc provided under nptel. A first stage where the volume of the part is generated a second stage where the. Practically all metals, which are not used in cast form are reduced to some standard shapes for subsequent processing. Metal forming processes full notes ebook free download pdf. Accurate estimation of springback in these industries is important. Various metal forming techniques and their analysis, viz. The term pressworking or press forming is used commonly in industry to describe general sheetforming operations, because they. Progress in blankholder systems in the pulsating blankholder system the blankholder is subjected to a vibratory pulsating force. Metal forming fundamentals video lecture by prof d. Additional metal powder processes include spray forming, roll compaction, rapid solidification. Demands in bend angles can be within a narrow range. The term pressworking or press forming is used commonly in industry to describe general sheet forming operations, because they typically are performed on presses. Metal forming fundamentals video tutorials video lecture.
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