In conventional machining process there is direct contact between the work piece and tool. Pdf me6004 unconventional machining processes lecture. The former onesprovide basic shape and size to the material as per designers requirement. A detail classification f the machining process based on the type of energy used, the mechanism of. In this short notes section we will cover the first unconventional machining process electric discharge machining edm. Comparison between conventional and non conventional machining. 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. This gate study preparation material for mechanical engineering may be useful for students who preparing for gate 2021. Materials are removed by traversing in a direction parallel to the axis of.
Senthil kumar, ars publications the book unconventional machining processes for engineering and technology studies. Limitations of conventional machining methods i increased workpiece hardness. Pu be mech non conventional machining 6th semester 20. Gate 2021 mechanical notes sk mondal free download pdf.
The aim of the mtcs nonconventional 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. Mishra, the institution of engineers india test book series. Difference between conventional and nonconventional. Me6004 unconventional machining processes lecture notes ppt. We have covered topics wise study notes, important books, and. Introduction to ntm, edm, usm, ajm, non conventional machining techniques. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. Thus ecm can be thought of a controlled anodic dissolution at atomic level of the work. This book is written to serve the needs of under graduate students embarking introductory course in unconventional machining processes. Nonconventional tools are more accurate and precise than the conventional tool. 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. 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. During drilling, deep holes can be made or several holes at once.
It starts with classification of manufacturing processes and necessity of nonconventional. Note for unconventional machining process ump lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Oct 26, 2015 pu be mech non conventional machining 6th semester 20 question paper mechanical engineering notes edurev notes for mechanical engineering is made by best teachers who have written some of the best books of mechanical engineering. Demerits of conventional machining process i disposal and recycling of the chips are difficult and tedious process. Efficient material removal technologies for demanding applications. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Both the process of machining has some advantage and few disadvantages and suits according to application. Hence the machining process which utilizes other machining methods are termed as unconventional machining or nontraditional machining or advanced machining processes or modern machining processes. Lecture notes on modern manufacturing process prepared by dr pramod kumar parida. Manufacturing notes for gate and mechanical engineering exam. The comparison of various nonconventional machining process can be done.
Nontraditional manufacturing processes or unconventional machining processes. 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. An unconventional machining process or nontraditional machining process is a special type of machining process in which there is no direct contact between the tool and the workpiece. 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. These methods can be classified as the basis of their base principle of working. Wjc will not burn surfaces or produces a heat an affected zone. This post covers the construction of chassis, frame and body of the vehicle which is the one of the contents. Nonconventional machining processes selection using multiobjective 1449 journal of engineering science and technology november 2015, vol.
What are the advantages of wjc over conventional cutting methods. Conventional machining processes and machine tools moduleiv. Download nonconventional resources of energy by sawhney. Nonconventional machining iit notes machining composite. One of the reputed institute, known for gate ies psus coaching. No conventional non conventional 1 direct contact of tool and workpiece. Introduction to nontraditional machining processes prof. The main reasons for choosing nontraditional machining processes are. 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. Pdf unconventional machining processes senthil kumar. Book download link provided by engineering study material esm. The course is consists of all nonconventional manufacturing processes. Here is the list of important manufacturing notes for gate and mechanical engineering exam.
Note for unconventional machining process ump by jntu heroes. Download nc cnc and conventional machining process s k mondals new edition mechanical engineering study material for gate ies psus exam preparation in the form of notes. Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. Manufacturing is an important subject that has some of the technical topics to be learned for the gate exam.
Non traditional machining processes book pdf, calculus purcell 9th edition pdf download, situations where traditional machining processes are unsatisfactory or uneconomical. Comparison between conventional and nonconventional machining. Pdf nonconventional machining processes selection using. The comparison of various non conventional machining process can be done. Pdf unconventional machining processes local author by. The introduction of abrasives to the fluid jet enhances the. 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. Such process leads to tool wear in good amount due to friction because of direct contact between tool and work piece.
No conventional machining nonconventional machining 1 the cutting tool and work piece are always in physical contact and is in relative motion with each other, which results in friction and tool wear. Mechanical machining i jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes. Module 9 non conventional machining notes edurev notes for is made by best teachers who have written some of the best books of. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. Ecm is opposite of electrochemical or galvanic coating or deposition process. 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. Dec 10, 2015 me6004 unconventional machining processes lecture notes ppt. Pdf s k mondals nc cnc and conventional machining process. Conventional and non conventional machining processes. Tools are non conventional technique like laser beam, electric arc etc. Buy nonconventional resources of energy by sawhney, g. 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. Electrochemical machining ecm is a nontraditional machining ntm process belonging to electrochemical category.
Ultrasonic machining is a mechanical type nontraditional machining process. No conventional machining non conventional machining 1 the cutting tool and work piece are always in physical contact and is in relative motion with each other, which results in friction and tool wear. Introduction to nontraditional machining iit kanpur. Tools are nonconventional technique like laser beam, electric arc etc. Mishra, the institution of engineers india test book. On this thread, i have shared the pdf lecture notes for the subject nontraditional machining. Several types of nontraditional machining processes have been developed. Modern manufacturing processes are classified according to the type of fundamental machining energy employed.
Nov 17, 2015 module 9 non conventional machining notes edurev notes for is made by best teachers who have written some of the best books of. Conventional machining processes mostly remove material in the form of. Non traditional machining free download as powerpoint presentation. The main reasons for choosing non traditional machining processes are. Gate 2021 mechanical notes gate mechanical preparation study material sk mondal notes better for the preparation of gate examination. Electrochemical machining is a time saving process when compared with conventional machining. Candidates may refer this nc cnc and conventional machining process study. All questions carry equal marks 1 how will you analyze the applicability of different processes to different types of materials, namely metals, alloys, and non metals. I the machining medium is solid grains suspended in an abrasive slurry. No conventional nonconventional 1 direct contact of tool and workpiece. This paper gives an introduction and a brief overview of various unconventional processes that are in practice nowadays. Unconventional machining processes introduction and.
Brief introduction of nonconventional machining processes. Pdf me6004 unconventional machining processes ump books. Pdf unconventional machining processes local author by dr. Nonconventional machining methods also provide very good quality of surface finish which may also be an encouragement to these methods. Non conventional machining iit notes free download as pdf file. Download pdf of unconventional machining process note mechanical engineering offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download.
Manufacturing processes can be broadly divided into two groups and they are primarymanufacturing processes and secondary manufacturing processes. 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. Pu be mech non conventional machining 6th semester 20 question paper mechanical engineering notes edurev notes for mechanical engineering is made by best teachers who have written some of the best books of mechanical engineering. It is a nonconventional mechanical machining method. Pdf me6004 unconventional machining processes lecture notes. Note unconventional machining process ump by jntu hero.
Non conventional machining methods also provide very good quality of surface finish which may also be an encouragement to these methods. Lecture notes on modern manufacturing process dr pramod. Nontraditional machining ntm lecture notes, ebook for final. I rapid improvements in the properties of materials hardness. There can be a very long list of non conventional machining methods. Difference between conventional and non conventional machining processes are. Nonconventional machining iit notes free download as pdf file. Ultrasonic machining is a mechanical type non traditional machining process. 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. The process was first developed in 1950s and was originally used for finishing edm surfaces. 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.
Because of point cutting wjc is able to cut materials almost any pattern. There can be a very long list of nonconventional machining methods. Download me6004 unconventional machining processes ump books lecture notes syllabus part a 2 marks with answers me6004 unconventional machining processes ump important part b 16 marks questions, pdf books, question bank with answers key, me6004. Cutting tool is harder than work piece at room temperature as well as under machining conditions nonconventional manufacturing processes. There is no physical contact between the tool and work piece. Non traditional manufacturing processes an overview. Unconventional machining process note pdf download. Ramkumar department of mechanical engineering iit kanpur march 26, 2018. Note for unconventional machining process ump lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year. Download me6004 unconventional machining processes lecture notes, books, syllabus parta 2 marks with answers me6004 unconventional machining processes important partb 16 marks questions, pdf books, question bank with answers key.
Non conventional tools are more accurate and precise than the conventional tool. The process of impinging the highspeed stream of abrasive particles by highpressure gas or air on the work surface through a nozzle and metal removal occurs due to erosion caused by highspeed abrasive particles. Unconventional machining process sasurie college of engineering. It is a non conventional mechanical machining method. Unconventional machining processes form an important part of the chapter of machining processes in the subject of manufacturing engineering for gate mechanical engineering. Difference between conventional and nonconventional machining processes are. It is employed to machine hard and brittle materials both electrically conductive and non conductive material having hardness usually greater than 40 hrc. The common non traditional machining processes are described in this section. The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Review of basic machining processes and the mechanics of chip formation.
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