How to download notes directly in pdf format from nptel. Press working 2 press working operations 1 press working terminology 1 principle elements of metal machining 1. I hope you enjoy working with this book, and that it helps you learn to program and think like a computer scientist, at least a little bit. Oct 09, 2019 nptel has changed the links of pdf lecture notes since august 2019. But bigger engine, which weigh more and cost more to build and maintain are not always better ii. Identify the graphic symbols for various types of hydraulic components. Hydraulic circuit design and analysis a hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task. The operations performed on the sheets to get the required shape is called sheet metal operations. Unit 6 design of sheet metal, design of sheet metal, blanking. Design and manufacturing of progressive press tool 21 faster due to the introduction of more efficient machines. Unit 6 design of sheet metal, blanking and piercing tools structure 6. Press working operationssheet metal operations pdf.
Nptel mechanical engineering fluid mechanics video introduction and. Forming tools apply more complex forms to work pieces. Nptel provides courseware in the form of video lectures and web courses. Sheet metalworking terminology punchanddie tooling to perform cutting, bending, and drawing stamping press machine tool that performs most sheet metal. The line of bend is curved instead of straight and the metal is subjected to plastic flow or deformation. It is one of the oldest metalworking arts with its origin about some thousands of years back. The jigs and fixtures are the economical ways to produce a component in mass. It is also referred to a complete tool consists of a pair of mating members for producing work in a press.
Introduction press it is a machine by which we can do cutting and non cutting process by applying force without removing chip on metallic or non metallic sheet. Unit 7 air compressors working of a single stage reciprocating air compressor, calculation of work input, volumetric efficiency, isothermal efficiency, advantages of multi stage compression, two stage compressor with intercooling, perfect inter cooling, optimum intercooler pressure. Learn for free, pay a small fee for exam and get a certificate. In dynamic recovery, dislocation crossslipping, climbing occurs. Lecture 24 hydraulic circuit design and analysis learning objectives upon completion of this chapter, the student should be able to. Metal forming processes indian institute of technology guwahati. This manual does not for designing centrifugal compressor and those parts. Lecture notes synthesis of polymers chemical engineering. This is a reasonable assumption if the filter medium is a canvas cloth. Another way to add power is to make a normal sized engine more efficient. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. A press brake is a special type of machine press that bends sheet metal into shape. So jigs and fixtures are used and serve as one of the most important facility of mass production system.
Jun 30, 2010 lecture series on design of reinforced concrete structures by prof. Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 5 of. Quality of the performance of a process largely influenced by the quality of jigs and fixtures used for. Sep 09, 2018 majority of video courses on nptel do not offer lecture notes for download. Working principle derived from automatic identification and data capture aidc technology. As of today we have 78,260,526 ebooks for you to download for free. Transformer dc machines induction machine power system power electronics analog electronics prof. So, usually the press tool has 3 elements at the top and 3. Majority of video courses on nptel do not offer lecture notes for download. Contents of power system protection lecture, iit bombay. Downey olin college acknowledgments many thanks to jeff elkner, who translated my java book into python, which got this project started and introduced me to what has turned out to be my favorite. Hello guys, we had discussed about press working operationssheet metal operations in the previous post. In this operation, forming of a flat metal sheet into a hollow or concave shape like a cup, is performed by stretching the metal in some regions.
Hello guys, we had discussed press working operations in the previous post. Efficiency of operation it is very important for the fluid power hydraulics and pneumatics designer to have a working knowledge of components and how they operate in a circuit. Press working operations or sheet metal operations. Hydraulics and hydraulic machinery notes pdf hhm notes pdf. Sheet metal forming massachusetts institute of technology. Find materials for this course in the pages linked along the left. Drill press upright drill bench drill radial drill gang drill 26 drills together nc drill vice, jig and fixture. Introduction and classification of forging processes.
A good example of the type of work a press brake can do is the backplate of a computer case. Stresses beyond yield strength of the workpiece material is required. Contents introduction press working terminology press selection classification of press types of press references 2 3. Metal forming processes indian institute of technology. The press machines may be of 1 ton, 2ton, 3ton etc. One can download or view all the lecture notes in pdf through the following website browse. Other machining operations shaping and planing a singlepoint tool moves linearly relative to the work part shaping a tool moves.
Milling milling a machine operation in which a work part is fed past a rotating cylindrical tool with multiple edges. Unit 6 design of sheet metal, design of sheet metal. Press hello, i welcome you all in this presentation related with the subject, fundamentals of the manufacturing process and we are talking about the metal working processes and we know that the metal working processes can be placed in the two categories one is where. Filtration is a process of separation of solid particles from a liquid in which they are suspended by using a medium filter through which only the liquid can pass. You can also get course completion certification for some of the courses. In this, the sheet material is strained by punch to give a bend shape angle shape usually in a straight axis. These are special work holding and tool guiding device. Lecture series on design of reinforced concrete structures by prof. It is a type of machine press used to cut the material. Press tools are commonly used in hydraulic, pneumatic, and mechanical presses to produce. Punching and blanking process sheet metal forming slideshare. No annoying ads, no download limits, enjoy it and dont forget to bookmark and share the love. Turbocharger and supercharger to increase the output of any engine more fuel can be burned and make bigger explosion in every cycle.
Pilot plant equipment center for crops utilization research. Guide northwest native symbols pdf to download nptel. Nptel lectures power system protection and switchgear. Working stress method working stress method is the traditional method of design not only for reinforced concrete but also for structural steel and timber design. These notes has been made by me after watching nptel lectures given by various professor from different iits and iisc.
In this lab, you will first perform experiments with a smallscale batch filter and use your experimental data to predict. This book is suitable to the engineering students of b. Nptel has changed the links of pdf lecture notes since august 2019. Forging is a metal working process in which useful shape is obtained in solid state by hammering or pressing metal. Press working terminology is described in a simple way to understand. Tool making machines can grind, mill and polish up the tools within a very short time. How can i download notes directly in pdf format from nptel. Therefore, it will be important to have a design that. Both power generation and refrigeration are usually accomplished by a system that. Crane hook, connecting rod of ic engine, spanner, gear blanks etc. Apr 06, 2016 contents introduction press working terminology press selection classification of press types of press references 2 3. Unit 7 air compressors working of a single stage reciprocating air compressor, calculation of work input, volumetric efficiency, isothermal efficiency, advantages of multi stage compression, two stage compressor with. Some examples of shapes obtained by forging process.
A shop press is commonly used to press interference fit parts together, such as gears onto shafts or bearings into housings. Nptel, online courses and certification, learn for free. Which is basically a large heat exchanger, by rejecting heat to a cooling. Dhang, department of civil engineering, iit kharagpur. Some courses might have presentations or quiz papers uploaded, but rest of them just have transcripts which is pretty useless to refer as notes. Most of these courses consists 40 videos and 1 hour duration each. Electrical, electronics and communications engineering. I have written only those lectures which i found important and which are in the gate syllabus. Ech 4224l unit operations lab i filtration 15 accounting for resistance of filtration medium the derivation above assumes that the only source of resistance to the fluid flow is the filtration cake and neglects resistance due to the filter medium. This mechanism is predominant in high stacking fault energy metals, flow. Pdf press tools are commonly used in hydraulic, pneumatic, and mechanical presses to produce components at high volumes.
First go through it so that you can understand the current topic must. There are numerically controlled machines that are used to make tools more easily. Here you can download the free lecture notes of hydraulics and hydraulic machinery notes pdf hhm notes pdf materials with multiple file linksthe hydraulics and hydraulic machinery pdf notes hhm pdf notes. When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account.
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