Unconventional machining processes textbook is one of the famous textbook for engineering students. In this sense, they are no more unconventional or non traditional. Module 9 non conventional machining version 2 me, iit kharagpur lesson 38 electro chemical machining version 2 me, iit kharagpur instructional objectives. Process parameters and machining characteristics abrasive. Jul 05, 2014 non conventional machining processes 1. Pdf unconventional machining processes local author by dr. Non conventional machining introduction, ajm, wjm, usm. Our highly skilled craftsman have more than 100 years of machining experience. Aas 0770, ac cnc 0725, bc qa 0729, bc cnc 0724 programs offered at. Jain advanced machining processes allied publishers pvt.
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. Conventional machining processes and machine tools moduleiv. Materials are removed by traversing in a direction parallel to the axis of. This textbook is also useful to most of the students who are preparing for competitive exams.
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. Nontraditional machining, utilizing electrical, chemical, and optical sources of energy. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. Nontraditional machining processes covers recent research and development in techniques and processes which focus on achieving high accuracies and good surface finishes, parts machined without burrs or residual stresses especially with materials that cannot be machined by conventional methods. Lecture series on manufacturing processes ii by prof. Nonconventional machining, electro chemical machining, pdf, 0. Department of mechanical engineering, iit madras,chennai 600036,tamil nadu, india, phone. Highly skilled engineering and the latest programming software and machine tool technologies. View notes instrumentation lecture notes 8 from pci 405 at bingham university. 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. Lecture11nonconventional machiningintroduction, ajm. The course is consists of all nonconventional manufacturing processes. I rapid improvements in the properties of materials hardness. Conventional machining sufficed the requirement of the industries over the decades.
An introduction to machining practices cornell university. 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. Lecture on non conventional machining process by mech zone. Get the iit kharagpur non teaching syllabus 2019 through this page. Instrumentation lecture notes 8 module 5 cnc machines. This led to the development and establishment of ntm processes in. Nov 26, 2017 brief overview and introduction to electrochemical machining, electrode discharge machining, ultrasonic machining, abrasive jet machining, material removal r. Ultrasonic machining is a non traditional process, in which abrasives contained in a slurry are driven against the work by a tool oscillating at low amplitude 25100 microns and high frequency 1530 khz. Department of mechanical engineering indian institute of technology kanpur kanpur, 208016, uttar pradesh. Nonconventional machining iit notes machining composite. This post offers a brief introduction to cnc machining, or computer numerical controlled machining. These new techniques of machining known as nonconventional machining processes, are diverse in nature and differ from each other by their characteristi c features, operati on. 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. This book is written to serve the needs of under graduate students embarking introductory course in unconventional machining processes.
Module 5 cnc machines version 2 ee iit, kharagpur 1 lesson 24 cnc machines. Conventional and non conventional machining hindi by easy. The material removal mechanism in ebm and idm is the same. Machining operations and part geometry each machining operation produces a characteristic part geometry due to two factors. Conventional machining utilizes cutting tools that must be harder than workpiece material. Conventional machining process metal is removed by means of tool which is harder than work piece and they both are in contact with each other demerits of conventional machining process disposal and recycling of the chips are difficult and tedious process large cutting forces are involved in this process. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Relative motions between the tool and the workpart generating part geometry is determined by the feed trajectory of the cutting tool 2. Conventional and nonconventional processes covers the fundamentals machining by cutting, abrasion, erosion, and combined processes. Shape of the cutting tool forming part geometry is created by the. Module 9 non conventional machining version 2 me, iit kharagpur lesson 37 water jet and abrasive water jet machining version 2 me, iit kharagpur. This book is mainly useful for mechanical engineering students. In addition, non traditional manufacturing processes, like electrodischarge machining edm, laser beam machining, plasma cutting etc are also a part of this course. Unconventional machining processes textbook pdf free.
Non traditional abrasive machining processesultrasonic, abrasive. May 19, 2014 nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. But new exotic work materials as well as innovative geometric design of products and components were putting lot of pressure on capabilities of conventional machining processes to manufacture the components with desired tolerances economically. These new techniques of machining known as non conventional machining processes, are diverse in nature and differ from each other by their characteristi c features, operati on. Traditional machining methods are often ineffective in machining hard materials like ceramics and composites or machining under very tight tolerances as in micromachined components.
Brief overview and introduction to electrochemical machining, electrode discharge machining, ultrasonic machining, abrasive jet machining, material removal r. Conventional machining methods hacettepe universitesi. Advanced machining processes online course video lectures by. Nonconventional machining processes as viable alternatives. In unconventional machining, a form of energy is used to remove unwanted material from a. The book provides insight into the use of some basic processes existing today in the domain of nonconventional manufacturing machining. Ramkumar department of mechanical engineering iit kanpur march 26, 2018. Tools that belongs to reaming and tapping processes are tend to breakage so machinists should behave carefully not to break tapers and reamers pieces in the hole. 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. Module 9 nonconventional machining version 2 me, iit kharagpur lesson 35 introduction and abrasive. A circular hole of 25 mm diameter and depth of 20 mm is machined by edm process.
Principles of nontraditional machining processes machining. Mechanical engineering at iit madras cnc machining. Kenniston machine meets the precise specifications of our customers two ways. The following examples are provided where ntm processes are preferred over the conventional machining process. Conventional machines requires direct contact of tool and work piecematerial. Nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. Conventional machining processes and machine tools pdf.
Module 9 non conventional machining version 2 me, iit kharagpur lesson 38. Nonconventional machining iit notes free download as pdf file. Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled materialremoval process. Accommodation accommodation will be provided to all the participants from. Iit kharagpur non teaching syllabus 2019 pdf download. Pdf version 2 me, iit kharagpur karuppaiah sridhar academia. View notes lm35 from mechanical 102 at indian institute of technology, kharagpur.
Limitations of conventional machining methods i increased workpiece hardness. 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. In elastic emission machining process, machining is carried out by a spinning. The material removal rate in mm 3 min is expressed as. 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. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. In this article we will discuss about the nonconventional methods of machining used in industries. Material al2o3 sic glass beads shape irregular spherical size 1050. The main reasons for choosing non traditional machining processes are. 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. Classification of metal removal processes and machine tools. Pdf version 2 me, iit kharagpur karuppaiah sridhar. Nonconventional methods of machining industries engineering. Electrical nonconducting material cant be cut by plasma arc cutting machine.
Micro manufacturing indian institute of technology kanpur. The main reasons for choosing nontraditional machining processes are. Claridge onestop engineering, 11 boulton road, reading, berkshire, rg2 0nh tel. Manufacturing processes i lecture series on manufacturing processes i by prof. Lm35 module 9 nonconventional machining version 2 me iit. Dec 14, 2016 the machining is carried out as high velocity 200 ms abrasive particles are issued from the nozzle onto a work piece traversing under the jet. The difficulty to cut materials encouraged efforts that led to the introduction of the unconventional machining processes that are well. Unconventional machining processes introduction and. Modern machining processes tata mcgrawhill, new delhi, 2007. Introduction to nontraditional machining processes prof. Introduction as a result of the advances in machine tools and cutting tool technology in recent decades, many of the conventional machining processes such as turning, milling and drilling have become costeffective, flexible and highthroughput manufacturing processes for producing high precision and high. Objective of presentation at the end of this presentation, audience will be aware of merits of non conventional machining processes over their traditional counterparts.
New and novel materials because of their greatly improved chemical, mechanical and thermal properties are sometimes impossible to machine using traditional. Non conventional machining processes linkedin slideshare. Mechanical engineering manufacturing processes ii nptel. Machining with a difference thats what nonconventional machining is all about. Dating back decades, cnc machining is now an integral part of metal manufacturing and a wide variety of parts depend on its incomparable accuracy and precision. In this sense, they are no more unconventional or nontraditional. Non traditional abrasive machining processesultrasonic, abrasive jet and abrasive water jet machining. Ultrasonic machining is a mechanical type nontraditional machining process. Nontraditional manufacturing processes central libraryiit kgp. Unconventional machining processes textbook pdf free download.
Nonconventional machining introduction, ajm, wjm, usm. Cnc machining emphasis to illinois institute of technology visit your academic advisor, ccc. A combined topsisahp method based approach for non traditional machining processes selection by chakladar n. This book is written to serve the needs of under graduate students embarking introductory course in. Non traditional machining process mechenchy modern machining processes by p. Precision machining cnc milling and turning, conventional. The need to a avoid surface damage that often accompanies the stresses created by conventional machining. Ultrasonic machining is a mechanical type non traditional machining process. Material removal processes machining is the broad term used to describe removal of material from a workpiece includes cutting, abrasive processes grinding, advanced machining processes electrical, chemical, thermal, hydrodynamic, lasers automation began when lathes were introduced in 1700s.
The precise meaning of the term machining has evolved over the past two centuries as technology has advanced. The machining is carried out as high velocity 200 ms abrasive particles are issued from the nozzle onto a work piece traversing under the jet. Nielsen book data summary completely revised and updated, this second edition of fundamentals of machining processes. For example to cut an aluminium bar, an iron fast rotating cutter may be used. Senthil kumar, ars publications the book unconventional machining processes for engineering and technology studies. Introduction to non traditional machining processes prof. Ultrasonic machining is a nontraditional process, in which abrasives contained in a slurry are driven against the work by a tool oscillating at low amplitude 25100 microns and high frequency 1530 khz. Lecture notes on modern manufacturing process dr pramod. Conventional machining technology fundamentals introduction. Pdf fluid mechanics and thermodynamics of turbomachinery by s. The indian institute of technology kharagpur will conduct the written test for the junior executive, staff nurse, junior engineer, senior library information assistant, physical training instructor, junior accounts officer, assistant security officer gradeii, security inspector, driver gradeii vacancies in the upcoming months.