Nptel provides elearning through online web and video courses various streams. The reasons for manufacturing steel by the duplex process are, briefly. Web courses are available in html format, pdf downloads with illustration, animation 2d, 3d, lab demos, video clippings course name. A parametric study on forming length in roll forming. About us documents feedback careers help videos live sessions code of conduct. Virtual engineering and planning process in sheet metal forming dr. The objective in this presentation is to focus on the current state of finite element methods with respect to reliability and efficiency in modeling forming processes. The finite element procedures pertain to the simulation of sheet metal forming, bulk forming, extrusion and drawing, rolling, welding, cutting processes, etc. Forging is a metal working process in which useful shape is obtained in solid state by hammering or pressing metal. Nptel an indian online short term course initiative. Building materials and construction 140602 engineering geology 140604. Digimat has created a complete list of youtube links for 1492 nptel video courses after fixing many of the broken links that existed in. Transverse sheet stretch forming press fett up to 12 independently controlled axes allow for. Practically all metals, which are not used in cast form are reduced to some standard shapes for subsequent processing.
The temperature of work is increases due to adiabatic heating. Understand in depth the sheet metal processes and their formation mechanism. Forming sheet stretch forming is a fast, economical, and accurate way to form a large panel from a metal sheet. Chemical engineering video lectures nptel video lectures. Study material from nptel civil engineering department. A complete stress analysis of a metal forming process is necessary in order to assess the onset of metal forming defects such as the initiation of internal or surface cracks or the generation of residual stresses. In extrusion, for example, the flow stress considerably changes during the forming process as the material gets work hardened considerably. Manufacturing processes are classified into shaping casting, forming, joining, and coating, dividing, machining and modifying material property. Lecture series on manufacturing processes i by prof.
The fast translation of simulation results in geometric proposals is an essential step. Improved lubrication if lubricating film is maintained. Metal in powder form is costlier than in solid form. The program is based on the threedimensional finite element analysis of shape and roll forming under. Nowadays the engineering and planning process in sheet metal forming is fundamentally supported by cad and cae systems. Be able to choose the best forming process for a specific product. High energy rate forming herf processes introduction. Book finite elements procedures in engineering analysis pdf download m.
Dec 31, 2016 electro hydraulic forming ehf, also known as electro spark forming, is a process in which electrical energy is converted into mechanical energy for the forming of metallic parts. Pdf transcriptions, html5 support, video subtitles for media player. How to download all of the lectures for a course in nptel. Nptel mathematics video lecture online study material. Nptel national programme on technology enhanced learning exams, conducted during septemberoctober 2016. A zipped file with the following documents are enclosed. Most manufacturing environments fit into one of five general categories. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution.
What is the difference between uniform and non uniform flow. What are the difference between pipe flow and free surface flow. Manufacturing companies producing metals supply metals in form of ingots which are obtained by casting liquid metal into a square cross section. Nptel has changed the links of pdf lecture notes since august 2019. In this process, the workpiece in the form of slab or plate is. The course is meant as an introduction towards primary manufacturing processes such as casting, forming and welding.
Some courses might have presentations or quiz papers uploaded, but rest of them. Sheet metal forming massachusetts institute of technology. Me 206 manufacturing processes 1 department academic. A simulation program has been developed in order to examine the roll forming process. Process design is the ensemble of operations leading from the design geometry to the dieface. The other forming processes or other manufacturing processes are like casting welding machining all that and there are other varieties.
Bathe written the book namely finite elements procedures in engineering analysis author k. Powder metallurgy pm is a metal working process for forming precision metal components from metal powders. Press brake forming, explosive forming, hydro forming, electro hydraulic forming, and magnetic pulse forming. Stresses beyond yield strength of the workpiece material is required.
Oct 09, 2019 nptel has changed the links of pdf lecture notes since august 2019. An experimental investigation into the relationship. Civil engineering department civil engineering department. Migration requires all these memories to be repopulated. Metal forming processes full notes ebook free download pdf. There are four basic production processes for producing desired shape of a product. Video tutorials, lessons from youtube nptel videos. A complete stress analysis of a metalforming process is necessary in order to assess the onset of metalforming defects such as the initiation of internal or surface cracks or the generation of residual stresses. 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. Electromagnetic forming process is capable of a wide variety of forming and assembly operations. How to download all of the lectures for a course in nptel quora. Find all acronyms and expansion of these 5 letters. On account of the latter reason, some plants duplex only at such times as.
Some examples of shapes obtained by forging process. Study on process parameters in incremental roll forming for. An experimental investigation into the relationship between process variables and forming conditions during splined mandrel flow forming operations. Mechanical engineering manufacturing processes i nptel. Crane hook, connecting rod of ic engine, spanner, gear blanks etc. Study on process parameters in incremental roll forming. The benefits derived from the duplex process for making steel have been enumerated in the reasons given for duplexing. Distributed under creative commons attributionsharealike cc bysa. We have provided over a century of service to our community.
Transverse sheet stretch forming press fett up to 12 independently controlled axes allow for the forming of leading edge and fuselage parts. Computer integrated manufacturing systems nptel links for various lectures uniti group technology and computer aided process planning. Beside the full 3d design process of parts and tools the simulation of sheet. Sheetmetal forming processes, sheetmetal characteristics, shearing, bending of sheet and plate, stretch forming, bulging, deepdrawing, formability of sheet metals learn about sheetmetal process. How to download notes directly in pdf format from nptel quora. Learn for free, pay a small fee for exam and get a certificate. Here, you can teach online, build a learning network, and earn money. The forming processes are affected by the rates of strain used. In forming processes, such as forging, the instantaneous flow stress can be found from the flow curve, as the stress required to cause a given strain or deformation. What is the difference between steady and unsteady flow. Manufacturing processes ii nptel online videos, courses. The compression applications involve swaging to produce compression, tensile, and torque joints or sealed pressure joints. Lecture notes on renewable energy sources subject code. The course seeks to impart an understanding of those manufacturing methods traditionally not associated.
Virtual engineering and planning process in sheet metal. A program to evaluate complete stress distributions has been developed and applied to the. New paris telephone company offers lifeline assistance to eligible customers. Finite elements procedures in engineering analysis by. Metal forming processes indian institute of technology. Knowing the final strain in the forming process, one can calculate flow stress using above equation.
How to download notes directly in pdf format from nptel. Nptel provides courseware in the form of video lectures and web. On the state of finite element procedures for forming processes. Nptel courses medical courses donate to nptel contact. Ta as per nptel norms, workshop kit and certificates along with tea. It is one of the oldest metalworking arts with its origin about some thousands of years back. New paris telephone new paris telephone npt is a locally owned telephone company headquartered in new paris indiana. In such cases, an average flow stress is determined from the flow curve. Apr 07, 20 nptel an indian online short term course initiative. National programme on technology enhanced learning. The process involves stretching the sheet to a calculated yield point and forming it over a tool. Nptel advanced geotechnical engineering chapter 5 lecture 28 consolidation2 topics 1.
Stanford university, stanford, galiji 94305, usa university. Superforge is very helpful in optimizing the forging process. We request the host college to take care of the process of. Introduction to metal forming technology classification of metal working processes behavior of materials failure of materials concept of stress and strain. It has found extensive applications in the fabrication of hollow, non circular, or asymmetrical shapes from tubular stock. Name of the student course pranav pinesh mehta soft nano technology shreya anil naik programming, data structures and algorithms in python tushar dey niti shah karan savla. Definition, long form, meaning and full name of nptel. Costly process has a bitmask that tells what processors it can. A bank of capacitors is first charged to a high voltage and then discharged across a gap between two electrodes, causing explosions inside the hollow work piece. Kindly send completed registration form mentioned in the brochure at earliest. Classle is a digital learning and teaching portal for online free and certificate courses. Below is the list of all full forms and acronym of nptel. Wolfram volk, pierre charvet bmw ag, munich, germany summary. What is the difference between rotational and irrotational flow.
Virtual engineering and planning process in sheet metal forming. Learn for free, pay a small fee for exam and get a certificate nptel brochures. The five types of manufacturing processes i t may be surprising to learn that many engineers with great talent and a depth of experience have a hard time answering questions about the types of manufacturing environments that exist in their company. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Manufacturing processes i nptel online videos, courses. 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. Load estimation for bulk forging, rolling, extrusion. Nptel, online courses and certification, learn for free. Fundamental concepts of metal forming technology nptel. High velocity forming of metals and high energy rate forming. Nptel is a five letter word which starts with n and ends with l. The course is aimed at teaching the pros and cons of different processes, so that one can apply this knowledge to the selection of a process for making a part to the required level of accuracy and in required time. Majority of video courses on nptel do not offer lecture notes for download. Additionally, different kinds of joining processes welding and their process parameters are discussed.
Sheet stretch forming is a fast, economical, and accurate way to form a large panel from a metal sheet. Aug 27, 2018 so, you want to download all of the video lectures for a course in nptel. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. Book finite elements procedures in engineering analysis by k.
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