Carl zweben, metal matrix composites, contractor report for ota, january 1987. Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 3 of. The sheet metal forming energy evaluation, by means of finite element method, has been used to. The course is meant as an introduction towards primary manufacturing processes such as casting, forming and welding. Metal casting processes indian institute of technology. 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. The present course intends to give the exposure of various methods of producing thread, gear manufacturing processes as well as semi automats. Manufacturing processes i nptel online videos, courses. J s campbell, principles of manufacturing materials and processes. Lecture 1 fundamentals of metal forming there are four basic production processes for producing desired shape of a product. 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. Velocity effects in metal forming and machining processes.
A first stage where the volume of the part is generated a second stage where the. Metal forming is the main method of making metal products and semifinished products. Metal forming analysis describes the latest and most important numerical techniques for simulating metal forming operations. Lecture series on manufacturing processes i by prof. Starting with a brief survey of the early trends in metal extraction, the lectures will go on to present, within a logical, physicochemical framework, the. 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. Content total hrs % weightage 1 basics of metal forming mohrs circle isotropic elasticity yield theories plastic stress strain relationship plastic work the principle of normality incremental plastic strain 08 22. Some mmc properties cannot be measured as they would be for monolithic metals. Spinning can be performed by hand or by a cnc lathe. Property data given in this chapter are therefore given as ranges rather than as single values.
Nptel syllabus marine construction and welding video course. Important casting terms nptel course on manufacturing processes i, pradeep kumar et al. For instance, toughness is an important but hardtodefine material property. Study material from nptel civil engineering department.
Analysis and technology in metal forming 29 influence of strainrate i. Various metal forming techniques and their analysis, viz. The structure of the equations governing elasticplastic defonation calls for a quite different solution procedure from that for plasticrigid theory. Advanced metal forming processes details of high energy rate forming herf process electromagnetic forming, explosive forming electrohydraulic forming stretch forming 4. Principles of metal forming technology announcements. Faculty of engineering and architecture m e c h a n i c a l e n g i n e e r i n g d e p a r t m e n t mech521 manufacturing processes ii catalog description. In recent years, finite element methods have been used extensively in the metalforming industry. Cambridgeuniversity press 32 avenueofthe americas, new york, ny. Mechanics modeling of sheet metal forming list of chapters preface 1. Solution manual for metal forming mechanics and metallurgy.
Virtual engineering and planning process in sheet metal. Cutting and forming thin sheets of metal usually performed as cold working sheet metal 0. In this fourth edition, an entire chapter has been devoted to forming limit diagrams and various aspects of stamping and another on other sheet forming. Materials and processes in manufacturing 8th edition. A numerical approach to the establishment of a sheet metal forming process technology based on process forming energy evaluation, optimized modeling as relates to cnc programming and the definition of forming technology has been presented in this paper. Most manufacturing environments fit into one of five general categories. Manufacturing companies producing metals supply metals in form of ingots which are obtained by casting liquid metal into a square cross section. Combining forging forming with alternative production technologies can enable next generation products opportunities exist to break the economic barrier of tooling and provide flexible and configurable methods it is and can be high value manufacturing really achieving advances in metal forming requires a total route to market. They pointed out that the high forming velocity indeed helps to. The materails to be used in places where the component is subjected to very high impact load, shock load, intermittant load and in power transmission lines, need to be produced with dense grain structure. Email print pdf such as ocean engineering, biotechnology, mining and metallurgy. Using the finite element method in metalforming processes. 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. Thus we have both hot and cold metal forming operations.
In the rigidviscoplastic domain, the finite element method is being utilized as a forming process simulation tool, and in elastic and thermal domains, the method is being applied in forming tooling design. Strength of materials nptel online videos, courses iit. Metal forming is a very important manufacturing operation. L pugazhenthy the course will discuss the theoretical and practical aspects of extraction of nonferrous metals. Once the certificates are printed, reprint of certificates with corrections will be done only by paying additional fees. Form the tensile test data, we can determine flow stress, though this method has limitations. This treatise on engineering materials and metallurgy contains a comprehensive treatment of the subject matter in a simple, lucid and direct language and envelopes a large number of figures which reinforce the text in the most efficient and effective way. From the uniaxial tensile test, one can understand material behavior considerably. These are casting, machining, joining welding, mechanical fastners, epoxy, etc. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Nptel provides elearning through online web and video courses various streams.
Casting process exploit the fluidity of a metal in liquid state as it takes shape and solidifies in a mold. Stresses beyond yield strength of the workpiece material is required. This is true for forming, shearing, cutting and nonconventional processes as well as joining operations which are based on forming processes. Chapter 4 metal matrix composites princeton university. Mechanics and metallurgy chapter 1determine the principal stresses for the stress state 1. The course seeks to impart an understanding of those manufacturing methods traditionally not associated. In the field of forming, for example the manufacturing of car body components, the stroke rate is often used as a. Stress required for forming, yield or flow stress therefore depends on several factors, such as strain, strain rate, temperature etc. Principles of metal forming technology course swayam. 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. 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. Beside the full 3d design process of parts and tools the simulation of sheet metal forming processes has established itself in the last 15 years within standard industrial practises. The remaining chapters focus on applications of numerical analysis to speci.
The course contents and videos uploaded are free to. It enjoys industrial importance among various production operations due to its advantages such as cost. Mse newsletter, sep dec 2019 volume 1 issue 3 mse department invites applications for faculty positions assistant professor, associate professor and professor level. Manufacturing process ii fundamentals of metal forming 1.
Nonferrous extractive metallurgy matsci 435 by nptel on. Fundamental concepts of metal forming technology nptel. This book helps 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. Introduction to typical automotive sheet metal forming processes 1. Nonferrous extractive metallurgy free materials science online course on nptel by iit kharagpur h. Manufacturing technology, me202e d24 notes unit v metal forming process mohammad amir, lecturer, department of mechanical engineering, bhcet, dhauj, faridabad121004 page 2 though cold work affects the recrystallisation temperature to a. Practically all metals, which are not used in cast form are reduced to some standard shapes for subsequent processing. Nowadays the engineering and planning process in sheet metal forming is fundamentally supported by cad and cae systems. Metal forming processes full notes ebook free download pdf. Metal forming is the final stage of metallurgical manufacturing permitting to produce metal ware used in national economy as the finished products or as the billet for further processing.
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