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. Nontraditional machining, utilizing electrical, chemical, and optical sources of energy. Advanced nontraditional machining processes 303 work. Advancements in nonconventional machining of aluminum. Waterjet machining a schematic illustration of waterjet machining. Non traditional machining projects for mechanical students. 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. Selection of nontraditional machining process ijert.
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. Advance machining processes are used where higher accuracy and surface finish is required. 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. Non traditional machining powerpoint machining grinding. 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. 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. 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 machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. Nontraditional processes ntp nontraditional cutting. Download book nontraditional machining processes in pdf format. If you have any query regarding this article, ask by commenting. 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. 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. Nontraditional machining processes covers recent research and development in techniques and processes which focus on. Many unconventional machining processes, have found widespread applications in industry. Difference between conventional and nonconventional.
Nontraditional machining processes an overview machining of. Nontraditional machining the definitive guide machinemfg. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. The non traditional machining methods include, ultrasonic machining, laser beam machining, water jet machining, abrasive water jet machining, electron beam machining, etc. The non traditional machining process that essentially requires vacuum is a electron beam machining.
Pdf nontraditional manufacturing processes by gary f. Material removal can now be accomplished with electrochemical reaction, high temperature plasmas and highvelocity jets of liquids and abrasives. It includes detailed information to gain insight into the manufacturing processes which are new, unconventional and list out the the. The basics of nontraditional machining operations, such as jet. 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. This is all about non traditional machining process, requirements, types, advantages and disadvantages. Oct 31, 2016 working of ultrasonic machining process non traditional machining process anuniverse 22. A group of processes that remove excess material by various techniques involving mechanical, thermal, electrical, or chemical energy or combinations of.
Advantages and limitation of non traditional machining. Materials are removed by traversing in a direction parallel to the axis of. Online library non conventional electrical machines by abderrezak rezzoug. 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. Conventional machining processes and machine tools moduleiv.
I jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes. Download machining process pdf at the end of the article. It combines the physical energy electricity, magnetism, sound, light and heat, chemical energy and even mechanical energy to applied on the machining position. Both are machining processes and thus used for removing excess material. Pdf nontraditional machining nontraditional machining. Advanced nontraditional machining processes springerlink. Electro discharge machining edm is an electrothermal non traditional machining process, where electrical energy is used to generate electrical spark and material removal mainly occurs due to thermal energy of the spark. A machining process is called non traditional if its material removal mechanism is basically different than those in the traditional processes, i. Each process has distinct capabilities and is suitable for specific purposes. High velocity electrons strike the work surface to generate heat used for accurate cutting need vacuum chamber. Nontraditional machining employs processes that remove material by various methods involving thermal, electrical, chemical and mechanical energy or even. Pdf me6004 unconventional machining processes ump books.
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. New and novel materials because of their greatly improved chemical, mechanical and thermal properties are sometimes impossible to machine using traditional machining processes. 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. Understand the compare traditional and nontraditional machining process and recognize the need for nontraditional machining process. Many advanced finishing processes have been employed to make circular andor non circular cavities and holes in difficulttomachine materials.
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. Classification of unconventional machining processes or modern machining processes was mainly on the basis of the nature of energy employed in machining process. If you like this article, dont forget to share it on your social networks. Similarities between conventional machining and ntm. Difference between conventional machining and nontraditional. Predicting the future of the web development 2020 and 2025 duration. Nontraditional processes ntp nontraditional cutting processes. Machining of composite materials is difficult due to the heterogeneity and heat sensitivity of the material and the high.
The machining characterization of ammcs material is necessary for high qualitycost effective product development. It is a process in which the liquid molten metal is poured into the casting cavity whose shape is same as that of the shape of the casting to be produced, allowing to solidify and after solidification, the casting will be taken out by breaking the mould called as casting process. Total 19 questions have been asked from principles of nontraditional machining processes topic of machining and machine tool operations subject in. In view of these limitations, many nontraditional machining ntm methods h been developed since world war. 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. Download nontraditional manufacturing processes by gary f. Non conventional electrical machines by abderrezak rezzoug. Comparison between conventional and non conventional machining. The introduction of abrasives to the fluid jet enhances the. Non traditional machining ntm or non conventional machining ncm, is a kind of machining technology which is different from traditional machining process and equipment.
I the machining medium is solid grains suspended in. One of them, abrasive jet machining is a non traditional machining process in which a highpressure air stream and. May 19, 2014 nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. 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. Pdf nontraditional machining ntm processes are now being widely used to generate intricate and accurate shapes in materials, like. Department of mechanical engineering, indian institute of technology kanpur. The energy forms include mechanical, electrochemical, thermal, and chemical. Can anyone tell me the basic difference in these two processes, which machining process is applicable for composite materials. Lecture 35 non traditional manufacturing lecture series on manufacturing processes ii by page 12.
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. You can read online nontraditional machining processes here in pdf, epub, mobi or docx formats. The main reasons for choosing non traditional machining processes are. Find out how conventional machining process differs from non conventional machining process. Both are subtractive manufacturing processes topdown approach. Non traditional manufacturing processes harness energy sources considered unconventional by yesterdays standards. Finally, some geometries are too delicate to machine while others are too complex. May 05, 2017 conventional and non conventional machining processes. These advanced machining processes amp become still more important when one considers precision and ultraprecision machining. Principles of nontraditional machining processes machining. Non traditional machining process 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 used for traditional. Non traditional machining method is an advanced method used to overcome the problems of traditional machining methods. Tools are non conventional technique like laser beam, electric arc etc. Nontraditional machining processes research advances.
Nontraditional machining processestypes,explanation,adv. Conventional and non conventional machining processes. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. 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.
Nontraditional machining employs processes that remove material by various methods involving thermal, electrical, chemical and mechanical energy or even combinations of these. Unlike lbm, this process requires a vacuum, and hence workpiece size is limited by the chamber size. Subscribe our channel for more interesting articles. Non traditional machining powerpoint free download as pdf file. Hence the machining process which utilizes other machining methods are termed as unconventional. Non traditional machining traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. Pdf nontraditional machining processes selection using. This ntm process also gives us a path for various innovations as well as it makes us comfortable for designing of complex geometrical shapes.
Edm is mainly used to machine difficulttomachine materials and high strength temperature resistant alloys. Mechanical machining i jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes. 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. No conventional non conventional 1 direct contact of tool and workpiece. Nontraditional machining mechanical engineering, iitb. Non traditional machining non traditional machining.
Traditional machining processes consist of turning, boring, drilling. Non traditional machining the definitive guide machinemfg. Introduction to nontraditional machining iit kanpur. Apr 02, 2017 this is all about nontraditional machining process, requirements, types, advantages and disadvantages. Nontraditional machining processes chap 9 in textbook. High speed machining and assembly high speed machined aluminum parts are replacing builtup parts made by forming and assembly riveting in the aerospace industry. Highly recommended as a textbook as well as a reference source. 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 is due to material removal rate mrr decreases with increased hardness of the work material.
Book is wellstructured and although has been awhile since publication, it is certainly the most comprehensive source on nontraditional manufacturing processes advanced manufacturing technology. Mar 30, 2017 non traditional machining process 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. Pdf download nontraditional machining processes free. Several types of non traditional machining processes have been developed to meet extra required machining conditions. Download casting process pdf at the end of the article.
Edm process has many advantages over traditional manufacturing process during the machining of inconel 718. 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 used for traditional manufacturing. People have been exploring and researching new machining methods, and nontraditional machining is put forward and developed under this condition. Non traditional manufacturing processes an overview. Basically two types of machining process have been used for metal cutting or machining process. This channel is formed by faculty from bit to enhance the knowledge of students towards technical and fundamentals. Electrical discharge machining is a machining method primarily used for hard metals or those that would be very difficult to machine with traditional techniques. 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. During the manufacturing of a part, a variety of processes are needed to remove excess material. Materials that in the past have been extremely difficult to form, are now.
When these processes are employed properly, they offer many advantages over non traditional machining processes. Jun 20, 2016 the advent of hard materials for aerospace applications have made the machining process by conventional methods very difficult and time consuming. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. Various similarities and differences between conventional machining and non traditional machining ntm processes are given below in table format. 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. Conventional and non conventional machining processes are divided according to contact between tool and work material.
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