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