Highly recommended as a textbook as well as a reference source. No conventional non conventional 1 direct contact of tool and workpiece. If you have any query regarding this article, ask by commenting. 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 used for traditional manufacturing processes. I the machining medium is solid grains suspended in. Each process has distinct capabilities and is suitable for specific purposes. The main reasons for choosing non traditional machining processes are. Industry professionals and materials engineers will also find nontraditional machining processes to be a source of ideas and processes for development and industrial application. Pdf nontraditional machining ntm processes are now being widely used to generate intricate and accurate shapes in materials, like. 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. Advanced non traditional machining processes 321 the magnetic abrasive particles join eac h other magnetically between two mag netic poles s and n along the ma gnetic lines of force, forming. 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. The basics of nontraditional machining operations, such as jet.
Students and researchers will find the practical examples and new processes useful for both reference and for developing further processes. Common non traditional machining methods electrical discharge machining edm. Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. Many advanced finishing processes have been employed to make circular andor non circular cavities and holes in difficulttomachine materials. In the convention machining processes, tool is in direct contact with work piece. 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. Pdf nontraditional machining nontraditional machining. Book is wellstructured and although has been awhile since publication, it is certainly the most comprehensive source on nontraditional manufacturing processes advanced manufacturing technology. Traditional machining processes consist of turning, boring, drilling, reaming, threading, milling, shaping, planing, and broaching, as well as abrasive processes such as grinding, ultrasonic machining, lapping. Download ultrasonic machining process pdf at the end of the article. Nontraditional machining processestypes,explanation,adv. Edm typically works with materials that are electrically conductive, although methods have also been proposed for using edm to. Characteristics of electrolyte good electrical conductivity non toxicity and chemical stability non corrosive property low.
It aims to describe difference between conventional and non traditional machining ntm process, types of ntm processes, all types of processes separately under each heading, their. Edm is a kind of non traditional machining method which is used to etch conductive material by electric erosion which is produced by the pulse discharge between two poles immersed in working liquid, also known as discharge machining or electroerosion machining. Nontraditional machining and thermal cutting processes. It combines the physical energy electricity, magnetism, sound, light and heat, chemical energy and even mechanical energy to applied on the machining position. Unlike lbm, this process requires a vacuum, and hence workpiece size is limited by the chamber size. The tool acts a cathode, and is immersed in a dielectric insulating fluid, and the workpiece acts as an anode. Electrical discharge machining is a machining method primarily used for hard metals or those that would be very difficult to machine with traditional techniques.
Jan 09, 2018 among the major non conventional 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. Non traditional machining ntm or non conventional machining ncm, is a kind of machining technology which is different from traditional machining process and equipment. Pdf nontraditional machining processes selection using. Introduction to nontraditional machining iit kanpur.
The non traditional machining methods include, ultrasonic machining, laser beam machining, water jet machining, abrasive water jet machining, electron beam machining, etc. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. Nontraditional machining processes chap 9 in textbook. Ashish umarkar advanced manufacturing processes amp12154 unit no. In my case when i am getting a job in mechanical field, when i remember before go to interview questions,and some basic of first law of thermodynamics, themodymamics third law, zeroth law of themodymamics etc. And some important subject like strength of materials, design of machine etc. Several types of nontraditional machining processes have been developed to meet extra.
Why nontraditional processes are important need to machine newly developed metals and nonmetals with special properties that make them difficult or impossible to machine by conventional methods need for unusual andor complex part geometries that cannot easily be accomplished by conventional machining need to avoid surface damage that. Selection of non traditional machining process written by rohith r, shreyas b k, s kartikgeyan published on 20191115 download full article with reference data and citations. It requires great attention to detail and experience. It includes detailed information to gain insight into the manufacturing processes which are new, unconventional and list out the the. Nptel mechanical engineering manufacturing processes ii. Difference between conventional machining and nontraditional. Download machining process pdf at the end of the article. Non traditional manufacturing processes an overview. Predicting the future of the web development 2020 and 2025 duration. Understand the compare traditional and nontraditional machining process and recognize the need for nontraditional machining process. Similarities between conventional machining and ntm. I jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes.
When do we need nontraditional processes very high hardness and the strength of the material. The generic term nontraditional machining ntm refers to a variety of thermal, chemical, electrical and mechanical material removal processes which have been developed due to lack of. The main attraction of edm over traditional machining processes such as metal cutting using different tools and grinding is that this technique utilises thermoelectric process to erode undesired materials from the work piece by a series of discrete electrical sparks between the work piece and the electrode. Mechanical machining i jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes. Conventional machining processes and machine tools moduleiv. Both are machining processes and thus used for removing excess material. Difference between conventional and nonconventional. Nontraditional machining processes flashcards quizlet. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining.
These advanced machining processes amp become still more important when one considers precision and ultraprecision machining. Non traditional machining processes machining grinding. Subscribe our channel for more interesting articles. Selection of nontraditional machining process ijert. In conventional machining processes, there is a risk of tool wearing since physical contact is required to perform the job. Nontraditional machining processes covers recent research and development in techniques and processes which focus on. New and novel materials because of their greatly improved chemical, mechanical and thermal properties are sometimes impossible to machine using traditional machining processes. Very hard fragile materials difficult to clamp for traditional machining when the work piece is too flexible or slender. The generic term non traditional machining ntm refers to a variety of thermal, chemical, electrical and mechanical material removal processes which have been developed due to lack of. May 19, 2014 nontraditional machining can be thought of as operations that do not use shear as their primary source of energy.
Characteristics of electrolyte good electrical conductivity non toxicity and chemical stability non corrosive property low viscosity and high specific heat electrolyte used sodium chloride 12. Download it once and read it on your kindle device, pc, phones or tablets. Nontraditional processes ntp nontraditional cutting. 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. The part below was machined on a 5axis makino a77 at boeing using a 815k rpm spindle speed, and a feed of 240 ipm vs 60 ipm conventional machining. Nontraditional machining employs processes that remove material by various methods involving thermal, electrical, chemical and mechanical energy or even. Non conventional process promoted longer tool life because no direct contact is made between the tool and the materials. 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. Process summary charts are provided for electrochemical machining, electrical discharge machining, chemical machining, abrasive jet machining, laser beam machining, electron beam machining, ultrasonic impact grinding, hydrodynamic machining, thermochemical machining, abrasive flow machining, and electrical discharge wire cutting. Pdf me6004 unconventional machining processes ump books. 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.
Pdf download nontraditional machining processes free. If you like this article, dont forget to share it on your social networks. Materials are removed by traversing in a direction parallel to the axis of. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc.
Waterjet machining a schematic illustration of waterjet machining. Chemical reaction between liquid reagent and workpiece. Turning, drilling, and milling are just a few of the most common machining processes. Non traditional machining processes kindle edition by jagadeesha t.
Non traditional machining traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. Download book nontraditional machining processes in pdf format. This is not true when it comes to non conventional machining processes. Electricaldischarge machining is based on the erosion of metals by spark discharge. Nontraditional machining the definitive guide machinemfg.
Electrical discharge machining edm is one of the most widely used nontraditional machining processes. Basically two types of machining process have been used for metal cutting or machining process. In order to realize the manufacturing machining demands thrived by newer, hard and difficulttomachine materials being utilized in the present day industries, an assortment of non traditional machining ntm processes has been developed over the past few decades. This is all about non traditional machining process, requirements, types, advantages and disadvantages. 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. Nontraditional machining traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. Highenergybeam machining waterjet and abrasive jet machining.
Use features like bookmarks, note taking and highlighting while reading non traditional machining processes. Apr 02, 2017 today we will learn about non traditional machining processes requirement, types, advantages and disadvantages. Tools are non conventional technique like laser beam, electric arc etc. Can anyone tell me the basic difference in these two processes, which machining process is applicable for composite materials. Non traditional machining method is an advanced method used to overcome the problems of traditional machining methods. Pdf nontraditional manufacturing processes by gary f. Nontraditional processes ntp nontraditional cutting processes. Some of the processes employed for hole making are electrodischarge machining, laser beam machining, electron beam machining, shaped tube electrochemical machining and electrochemical spark machining. Nontraditional machining processes, jagadeesha t, ebook. Theres a lot that goes into machining a perfectly smooth, precise, functional workpiece. Nontraditional machining processes metals handbook desk.
Todays stringent design requirements and difficulttomachine materials such as tough super alloys, ceramics, and composites, have made traditional machining processes costly and obsolete. A group of processes that remove excess material by various techniques involving mechanical, thermal, electrical, or chemical energy or combinations of. Nontraditional machining, utilizing electrical, chemical, and optical sources of energy. Advanced nontraditional machining processes springerlink. The energy forms include mechanical, electrochemical, thermal, and chemical. Nontraditional machining introduction machining processes that involve chip formation have a number of inherent limitations which limit their application in industry. Conventional and non conventional machining processes. Machining is one of the most important process of metal forming and shaping. Nontraditional machining employs processes that remove material by various methods involving thermal, electrical, chemical and mechanical energy or even combinations of these. Among the major non conventional 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.
Non traditional machining processes free download as powerpoint presentation. It is one of the types of non traditional machining methods which produces circular, non circular holes of very small size is machining method. 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. Large amounts of energy are expended to produce unwanted chips which must be removed and discarded. Various similarities and differences between conventional machining and non traditional machining ntm processes are given below in table format. Department of mechanical engineering, indian institute of technology kanpur. You can read online nontraditional machining processes here in pdf, epub, mobi or docx formats. 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. Nontraditional machining processes research advances. As a result, manufacturers and machine design engineers are turning to advance machining processes. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. Nontraditional machining processes an overview machining of. May 05, 2017 19 videos play all non conventional machining processes learn and grow.
Download nontraditional manufacturing processes by gary f. Conventional and non conventional machining processes are divided according to contact between tool and work material. Pdf selection of nontraditional machining process researchgate. Non traditional machining processes, also called advanced manufacturing processes, are employed where traditional machining processes are not feasible, satisfactory or economical due to special reasons as outlined below.
During the manufacturing of a part, a variety of processes are needed to remove excess material. When very frequency vibrations are applied on to the. Dec 29, 2012 difference between conventional and non conventional 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.
High speed machining and assembly high speed machined aluminum parts are replacing builtup parts made by forming and assembly riveting in the aerospace industry. I the machining medium is solid grains suspended in an abrasive slurry in the former, while a uid is employed in the jet machining process. Non traditional machining non traditional machining. Powder stage manufacturing processes powder metallurgy secondary manufacturing to impart final shape and size with tight control on dimension. Groover, fundamentals of modern manufacturing 2e nontraditional processes defined 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 tool in the. Non conventional tools are more accurate and precise than the conventional tool. Both are subtractive manufacturing processes topdown approach. 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. Electric discharge machining edm most widely used among nontraditional processes sparks lightening. Classification of unconventional machining processes or modern machining processes was mainly on the basis of the nature of energy employed in machining process.
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