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. 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. Pdf unconventional machining process unit 3 electrical. Me6004 unconventional machining processes lecture notes ppt. History the early ancestors of modern humans, likely first used a jawbone of bovid animals as a saw.
Process parameters and machining characteristics abrasive. A new nontraditional machining method using cavitation. 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. Unconventional machining process need classification brief overview. Types of unconventional machining process manufacturing. The objective of this paper is to provide a state of the art in the field of laser cutting process. Unconventional machining processes frequently asked questions, and last year questions. In this sense, they are no more unconventional or nontraditional. In this short notes section we will cover the first unconventional machining process electric discharge machining edm.
This is due to material removal rate mrr decreases with increased hardness of the work material. Unconventional machining process unconventional forming process need for unconventional machining process harder and difficult to machine materials, can be machined easily and precisely. What are the design factors to be considered while selecting the machine tool. The unconventional machining is also called as nontraditional machining the unconventional machining use for the machine the hard and brittle materials such as carbides, stainless steel, hastelloy, nitralloy, waspalloy, and any other that cannot be machined by a conventional process using the conventional machines such as lathe, milling, shaper, planer etc. Syllabus, question banks, books, lecture notes, important part a 2 marks questions and important part b 16 mark questions, previous years question papers collections. 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.
This paper gives an introduction and a brief overview of various unconventional processes that are in practice nowadays. Unconventional machining processes textbook pdf free download unconventional machining processes textbook pdf free download. Pdf in the modern manufacturing industry, monitoring the machining process and tool. Unconventional machining processes notes 1 download pdf unconventional machining processes notes download pdf unconventional machining processes question bank 1 download pdf unconventional machining processes me6004 may june 2016 question paper unconventional machining processes me6004 nov dec 2016 question paper download anna. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. It is now well established that unconventional machining processes are able to meet the challenges posed by the demand for economic machining of ultrahard and high strength materials to close tolerances. Hence the machining process which utilizes other machining methods are termed as unconventional. Traditional machining processes consist of turning, boring, drilling. Then using a forming tool single point incremental forming. Among the major nonconventional fabrication techniques are electrochemical fabrication also called electrochemical machining or ecm, electrical discharge machining or edm, water jet cutting, abrasive water jet cutting wj, awj, laser beam mach. Unconventional machining processes important questions. Manufacturing processes can be broadly divided into two groups and they are primarymanufacturing processes and secondary manufacturing processes.
Also, state the mechanism of material removal, transfer media and energy sources used. Unconventional machining process anna university question paper. 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. In 1926, the first saw which worked with electricity was invented by andreas stihl. Senthil ganesh assistant professor mechanical engineering. Extremely hard and brittle materials are difficult to machine by traditional machining processes such as turning, drilling, shaping and milling.
Jun 20, 2016 the advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. The objective of this paper is to provide a state of. In unconventional machining, a form of energy is used to remove unwanted material from. Unconventional machining processes form an important part of the chapter of machining processes in the subject of manufacturing engineering for gate mechanical engineering. The difficulty to cut materials encouraged efforts that led to the introduction of the unconventional machining. Jan 05, 2019 unconventional machining process book by senthil pdf download unconventional machining processes by l kumar, ars publications the book unconventional machining processes for engineering. 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.
Pdf unconventional machining processes local author by. Conventional machining methods hacettepe universitesi. Material al2o3 sic glass beads shape irregular spherical size 1050. Pdf the constrained applications of conventional machining processes in generating. The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Senthil kumar, apmech of the unconventional machining. Unconventional machining processes textbook pdf free. Machining processes produce finished products with a high degree of accuracy and surface quality. Nonconventional machining processes selection using multiobjective 1449 journal of engineering science and technology november 2015, vol. The usm is effective and particular for all brittle materials 11, 5. 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. Pdf unconventional machining processes local author by dr. Pdf me6004 unconventional machining processes lecture.
Pdf unconventional machining processes senthil kumar. Its materialremoval mechanism includes impacting and hammering. Buy unconventional machining process by senthil book online shopping at low prices in india. Me6004 unconventional machining processes ump syllabus unit i introduction. Ingm pec unconventional machining process dr s senthil text books pdf list of ebooks and manuels about unconventional machining procesd dr s senthil text books pdf meunconventiona l machining process unconventional. Page 1 of 3 unconventional machining process iii a mechanical. The usm process is effectively used to machining conductive and nonconductive materials. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Pdf me6004 unconventional machining processes ump books. Write the formula for find the mrr for ductile materials. Material removal is accomplished using electrical, chemical, mechanical and light energies during the last 55 years over 20 different nontraditional manufacturing processes have been invented and used successfully. 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.
Given this, nontraditional machining is widely utilized in responding to modern industrial problems. Jan, 2016 unconventional machining processes important questions for mechanical engineering students. Materials are removed by traversing in a direction parallel to the axis of. Optimisation of machining and geometrical parameters in turning process using taguchi method.
The former onesprovide basic shape and size to the material as per designers requirement. Applications of optimization techniques for parametric analysis of nontraditional machining processes. Unconventional machining processes introduction and. 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. Pdf me6004 unconventional machining processes lecture notes. Unconventional machining processes important questions jntu. Deformation machining is a novel hybrid process that, on one machine, and in one step, combines the machining of thin structures and single point incremental forming. Me1001 unconventional machining process free download as pdf file. 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. Introduction of unconventional machining processes. This paper presents a new method in machining of materials using cavitation process. In ecm process the material dissolution occurs when the workpiece is made an anode in an electrolytic cell. Unconventional machining processes machining metalworking.
Conventional machining utilizes cutting tools that must be harder than workpiece material. Unconventional machining processes textbook is one of the famous textbook for engineering students. Unconventional machining process unit 3 electrical energy based processes. 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 book unconventional machining processes offers an indepth study on various unconventional machining processes. Need for unconventional machining process i harder and difficult to machine materials iican be machined easily and precisely. Machining process book is not for reading online or for free download in pdf or. 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. A new nontraditional machining method using cavitation process. Conventional machining processes and machine tools moduleiv. The advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. In 1950, he invented first portable saw which has a.
Unconventional machining process by senthilbuy online. In 1927, emil lerp invented a saw that works with using oil in germany. 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. Introduction of unconventional machining processes free download as powerpoint presentation. Download pdf unconventional machining processes me6004 may june 2016. Conventional machining uses tools, such as lathes, milling machines, boring machines, drill presses, or. Unconventional machining process imp qusts ump important. Unconventional machining process sasurie college of engineering. Unconventional machining processes textbook pdf free download. Buy unconventional machining process by senthil book online shopping at low. Unconventional machining process imp qusts pdf file ump important questions please find the attached pdf file of unconventional machining process importan. Until at least the mid19th century, saws were made laboriously by hand. Pdf nonconventional machining processes selection using. Senthil kumar, ars publications book free download.
Unconventional machining processes harness energy sources considered unconventional by yesterdays standards. 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. To learn about various unconventional machining processes, the various process parameters and their influence on performance and their applications. Unconventional machining processes important questions for mechanical engineering students. 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. This textbook is also useful to most of the students who are preparing for competitive exams. Abstract laser cutting is an energy based unconventional process is an advanced machining process. Senthil kumar, ars publications the book unconventional machining processes for engineering and technology studies. Unconventional machining process anna university question. This book is written to serve the needs of under graduate students embarking introductory course in unconventional machining processes. Unconventional machining processes me8073, me6004 anna. Pdf applications of optimization techniques for parametric. Pdf machining process monitoring, book chapter in handbook of.
To learn about the various unconventional machining process. Me1001 unconventional machining process physical sciences. However, machining processes inevitably waste material in the form of chips, production rates may be low, and unless carried out properly, the processes can have detrimental effects on the surface properties and performance of parts. The machining process so developed is called hybrid machining processes hmps kozak and rajurkar, 2000.