Nontraditional manufacturing processes or unconventional machining processes conventional machining processes mostly remove material in the form of chips by applying forces on the work material with a wedge shaped cutting tool that is harder than the work material under machining condition. Gate 2021 mechanical notes sk mondal free download pdf. Brief overview and introduction to electrochemical machining, electrode discharge machining, ultrasonic machining, abrasive jet machining, material removal r. This gate study preparation material for mechanical engineering may be useful for students who preparing for gate 2021. These methods can be classified as the basis of their base principle of working. Machining a material removal process in which a sharp cutting tool is used to mechanically cut away material so that the desired part geometry remains most common application. Some courses might have presentations or quiz papers uploaded, but rest of them just have transcripts which is pretty useless to refer as notes. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. Selection of nonconventional machining processes using the ocra method article pdf available in serbian journal of management 101 september 2014 with 1,675 reads how we measure reads.
Unconventional machining by harshit aggarwal unacademy plus. Pdf nontraditional manufacturing processes by gary f. This paper presents a new method in machining of materials using cavitation process. Learn for free, pay a small fee for exam and get a certificate. Because of point cutting wjc is able to cut materials almost any pattern. Non traditional manufacturing processes an overview introduction non traditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be. Nov 26, 2017 brief overview and introduction to electrochemical machining, electrode discharge machining, ultrasonic machining, abrasive jet machining, material removal r. Non traditional manufacturing processes or unconventional machining processes conventional machining processes mostly remove material in the form of chips by applying forces on the work material with a wedge shaped cutting tool that is harder than the work material under machining condition.
The improved thermal, mechanical and chemical properties of advanced materials super alloys, composites, and ceramics have created impediments in easy machining of such materials by conventional machining processes namely turning, milling and drilling etc. Conventional machining uses tools, such as lathes, milling machines, boring machines, drill presses, or. This process is particularly suitable for high strength temperature resistant materials which are difficult to machine by conventional machining process tool. The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Too l workpie ce thus the major characteristics of conventional machining are. With ever increasing demand for manufactured goods of hard alloys and metals, such as inconel 718 or titanium, more interest has gravitated to nonconventional machining methods. This is all about non traditional machining process, requirements, types, advantages and disadvantages.
Non traditional abrasive machining processes nptel. The former onesprovide basic shape and size to the material as per designers requirement. Superfinishing processes, honing, lapping and superfinishing. These processes are generally used when traditional methods are not technically or economically feasible. It includes detailed information to gain insight into the manufacturing processes which are new, unconventional and list out the the. Also, the fixtures and tools should be rigid enough to avoid vibration or deflection under the high hydraulic forces to which they are subjected. Unconventional machining process nov,dec2014, may 2014 r2008,unconventional machining process may 2014 r2008,2010,unconventional machining process nov,dec20,unconventional machining process dec2012,unconventional machining process ap,may2008,unconventional machining process may2009,unconventional machining process nov,dec2009,unconventional machining process nov,dec2010. Paul,department of mechanical engineering, iit kharagpur. Sharma, department of mechanical engineering, iit roorkee. Introduction to nontraditional machining iit kanpur. An unconventional machining process or non traditional machining process is a special type of machining process in which there is no direct contact between the tool and the workpiece.
The processes are non traditional or non conventional in the sense that they dont employ a conventional or traditional tool for material removal, instead, they directly utilize some form of energy for metal machining. When these machines are employed, they are many advantages over the traditional machining process. Non conventional energy resources by b h khan pdf file free download non conventional energy resources by b h khan pdf how to download pdf of non conventional energy resources by b h khan free. The following examples are provided where ntm processes are preferred over the conventional machining process.
The book has both conventional and nonconventional machining process to teach you effectively. Nptel, online courses and certification, learn for free. This gate study preparation material for mechanical engineering may be useful for students who preparing for gate 2019. Photo chemical machining pcm also referred to as photo chemical milling. This is used for removing a layer of metal material, either shallow. Plasma arc machining or laser beam machining is that which is the last point. Automatic tool changer pallet shuttles automatic workpart positioning cnc turning center. Materials are removed by traversing in a direction parallel to the axis of rotation of axis or along a specified path to form a complex rotational shape. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Gate 2019 mechanical notes sk mondal free download pdf. Non conventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for. Download link is provided and students can download the anna university me6004 unconventional machining processes ump syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Photochemical machining is a non conventional machining process which employs photoresist and chemical etching techniques.
Lecture notes on modern manufacturing process dr pramod. Before the final evaluation of the completed project a. Materials are removed by traversing in a direction parallel to the axis of. Conventional machining processes and machine tools module. Conventional machining processes mostly remove material in the form of chips by applying forces on the work material with a wedge shaped cutting tool that is harder than the work material under machining condition. Dec 14, 2016 unconventional machining processes or non traditional manufacturing processes conventional machining processes mostly remove material in the form of chips by applying forces on the work material with a wedge shaped cutting tool that is harder than the work material under machining condition. Unconventional machining process anna university question paper. Dec 29, 2012 difference between conventional and non conventional machining processes are. Given this, non traditional machining is widely utilized in responding to modern industrial problems. Jun 20, 2016 hence the machining process which utilizes other machining methods are termed as unconventional machining or non traditional machining or advanced machining processes or modern machining processes. Ecm process non conventional machining process is the metal removal by controlled dissolution of anode of an electrolytic cell. If you continue browsing the site, you agree to the use of cookies on this website. Non conventional machining processes selection using multiobjective 1449 journal of engineering science and technology november 2015, vol. Pdf nonconventional energy resources by b h khan book.
You all must have this kind of questions in your mind. Plasma arc machine pdf 3 technical features of plasma machine. Several types of nontraditional machining processes have been developed to meet extra required machining. Gate 2021 mechanical notes gate mechanical preparation study material sk mondal notes better for the preparation of gate examination. The aim of the mtcs non conventional machining ncm theme is to provide efficient, costeffective solutions for the manufacture of traditionally difficult to machine materials using stateoftheart spark erosion and laser technologies. Also, the fixtures and tools should be rigid enough to avoid vibration or deflection under. Non conventional tools are more accurate and precise than the conventional tool.
Download nontraditional manufacturing processes by gary f. There can be a very long list of non conventional machining methods. In this sense, they are no more unconventional or non traditional. Brief introduction of nonconventional machining processes. A new nontraditional machining method using cavitation process. Nptel provides elearning through online web and video courses various streams. Non conventional machining non conventional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be used for traditional manufacturing processes. The main reasons for choosing non traditional machining processes are. Conventional machining processes and machine tools moduleiv. This book covers all possible topics needed in an undergraduate machining processes course. Jan, 2016 brief introduction of non conventional machining processes.
Nonconventional machining iit notes free download as pdf file. Machining centers machining center highly automated machine tool capable of performing multiple machining operations under cnc control. Difference between conventional and non conventional machining processes are. Conventional machining processes and machine tools moduleiv turning turning operation is a machining process and is used to produce round parts in shape by a single point cutting tool. The course is consists of all nonconventional manufacturing processes. Water jet and abrasive water jet machining csvtu mechanical. What are the advantages of wjc over conventional cutting methods. Lecture series on manufacturing processes ii by prof. Several types of non traditional machining processes have developed to better machining condition. The role of non conventional machining parameters during machining helps in understanding the mechanism of hybrid machining processes. Generally macroscopic chip formation by shear deformation material removal takes place due to application of cutting forces energy domain can be classified as mechanical cutting tool is harder than work piece. Conventional machining also costs in terms of tool wear and in loss of quality in the product owing to induced residual stresses during manufacture. Pdf nonconventional machining processes selection using.
Subscribe our channel for more interesting articles. One of the most important non conventional machining methods is plasma arc machining. If you have any query regarding this article, ask by commenting. Review of basic machining processes and the mechanics of chip formation. Use of non corrosive and electrically non conducting material for making fixtures is recommended. Difference between conventional and nonconventional. In unconventional machining, a form of energy is used to remove unwanted material from.
It is a material cutting process that engages an abrasive tool whose cutting elements are grains of. Classification of non traditional machining is based on following factors. Non traditional manufacturing processes an overview introduction nontraditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies but do not use a sharp cutting tools as it needs to be. Plasma arc machining process pdf 10 plasma arc machining. In edm material removal takes place as a result of occurring plasma channel erosion effect between tool electrode and workpiece surface, separated by dielectric. If you like this article, dont forget to share it on your social networks. Conventional and non conventional machining processes. How can i download notes directly in pdf format from nptel. The processes are non traditional or nonconventional in the sense that they dont employ a conventional or traditional tool for material removal, instead, they directly utilize some form of energy for metal machining.
Machining processes, which include cutting, grinding, and various non mechanical chipless processes, are desirable or even necessary for the following basic reasons. This book addresses issues essential to unconventional machining processes, covering all modern machining processes such as mechanical processes, electrochemical and chemical metal removal processes, and thermal metal removal processes. Comparison ajm, wjm mechanical energy is used to machine material, whereas in ecm electroche mical dissolution constitutes material removal 5. Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. Compare conventional and non conventional machining and analyze the different elements of ultrasonic machining and its applications. Non traditional abrasive machining processes ultrasonic, abrasive jet and abrasive water jet.
The need to a avoid surface damage that often accompanies the stresses created by conventional machining. Electrochemical machining ppt machining electrochemistry. Majority of video courses on nptel do not offer lecture notes for download. Pdf selection of nonconventional machining processes using. Machining is one of the basic and very important courses for the mechanical undergraduate students. Photochemical machining is a nonconventional machining process which employs photoresist and chemical etching techniques. Non traditional manufacturing processes or unconventional machining processes. Pdf me6004 unconventional machining processes ump books. Understand of fundamentals of the non traditional machining methods and industrial applications.
Nonconventional manufacturing processes question 1 b the areas of application of nonconventional manufacturing processes are as follows. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. Download that books into available format 2019 update. Traditional machining methods are often ineffective in machining hard materials like ceramics and composites or machining under very tight tolerances as in micromachined components. Non conventional machining processes slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. How is classification of nontraditional machining done.
Conventional and non conventional manufacturing, metrology and computer aided inspection. Grinding grinding is the most common form of abrasive machining. Plasmaarc machining pam employs a highvelocity jet of hightemperature gas to melt and displace material in its path. Cannot be used for machining castings or hot rolled steel, since hard outer scale will damage the cutter. Dec 29, 2015 machining is a processes in which a piece of raw material is cut into a desired final shape and size by a controlled materialremoval process. Nonconventional machining iit notes machining composite. Non traditional machining is also called advance manufacturing process. References module 9 nonconventional machining iit kharagpur. Non conventional machining methods also provide very good quality of surface finish which may also be an encouragement to these methods. Gate mechanical notes gate mechanical preparation study material sk mondal notes better for preparation of gate examination.
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