Non traditional machining free download as powerpoint presentation. Situations where traditional machining processes are unsatisfactory. Carl sommer, author of over 50 books, is uniquely qualified to author this book on non traditional machining. 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. Pdf selection of nontraditional machining process researchgate. Developing an efficient decision support system for non. Introduction to nontraditional machining process free download as powerpoint presentation. Introduction to nontraditional machining processes prof. Primary manufacturing processes this provide basic shape and size to the material as per designers requirement. Objectives after studying this unit, you should be able to understand introduction of modern machining methods and their difference with conventional machining methods. This article discusses the various categories of nontraditional machining processes that are subdivided according to the form of energy being harness. In recent years there has been a massive growth in the usage of the non traditional machining process. Pdf nontraditional machining nontraditional machining. May 27, 2018 hey folks, on this thread, i have shared the pdf lecture notes for the subject nontraditional machining.
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. Nontraditional machining, utilizing electrical, chemical, and. Primary manufacturing processes this provide basic shape and size to the material as per designer. Conventional machining processes and machine tools moduleiv. Nontraditional machining ntm lecture notes, ebook for final year production engineering hey folks, i welcome you to my engineering thread on studynama community. Brief introduction of nonconventional machining processes. Nontraditional machining the definitive guide machinemfg. Nontraditional manufacturing processes harness energy sources considered unconventional by yesterdays standards. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. Introduction to conventional and non conventional machining manufacturing processes can be broadly divided into two groups and they are primary manufacturing processes and secondary manufacturing processes. These involve electrolyte type, rate of electrolyte flow, and some other process conditions. Introduction to nontraditional machining process machining.
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. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. Electric discharge machining edm ussr1943 introduction electric discharge machining edm is an electrothermal nontraditional machining. Nontraditional machining processes semantic scholar. This vedio explains the basic introduction to conventional and unconventional machining process in aimple manner. 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. Selection of nontraditional machining process ijert. Limitations of conventional machining methods i increased workpiece hardness. Common nontraditional machining methods electrical discharge machining edm.
Introduction to nontraditional machining iit kanpur. These methods can be classified as the basis of their base principle of working. Jan, 2016 brief introduction of non conventional machining processes. Nontraditional manufacturing processes is defined as a group of processes that remove excess material by. The former ones provide basic shape and size to the material as per designers requirement. 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. The result has been the introduction of new manufacturing processes used for material removal, forming and joining, known today as nontraditional manufacturing processes. Casting, forming, powder metallurgy are such processes to name a few. The common non traditional machining processes are described in this section. Feb 03, 2018 this feature is not available right now. Introduction to ntm, edm, usm, ajm, non conventional machining techniques. Materials are removed by traversing in a direction parallel to the axis of.
The working principles and the applications of some of these processes are discussed in this chapter. Introduction non traditional machining processes is a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical, or chemical energy or a combination of these energies, but do not use a sharp cutting tool as used in traditional machining processes. Nontraditional machining ntm lecture notes, ebook for. This article discusses the various categories of nontraditional machining processes that are subdivided according to the form of energy being harnessed. Ramkumar department of mechanical engineering iit kanpur march 26, 2018. The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the wjm process. These notes and ebook on nontraditional machining have been prepared by experienced engineering faculty and toppers and will provide you with easy to study material. These include mechanical, electrical, thermal, and chemical methods. 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. 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. Especially in machining of hard materials likes titanium, stainless steels. Non traditional machining non traditional machining 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. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Common non traditional machining methods electrical discharge machining edm. Unconventional machining process sasurie college of engineering. These materials have wide use in modern industry due to their improved mechanical properties. 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. When iron tools were invented, desirable metals and more. Non traditional manufacturing processes an overview. Nontraditional machining employs processes that remove material by various methods involving thermal, electrical, chemical and mechanical energy or even. Introduction to nontraditional machining slideshare. 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. There can be a very long list of non conventional machining methods.
Several types of non traditional machining processes have been developed to meet extra required machining conditions. May 19, 2014 nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. Jan 05, 2019 non traditional machining ntm lecture notes, ebook for final year production engineering hey folks, i welcome you to my engineering thread on studynama community. Jun 03, 2014 this presentation gives an information about introduction to non traditional machining covering the syllabus of non traditional machining. Jul 08, 2016 non traditional machining techniques introduction to non traditional machiniing techniques by mr. Difference between conventional and nonconventional. Introduction to non traditional machining processes prof. Review of basic machining processes and the mechanics of chip formation. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. Pdf nontraditional machining introduction riza nur. When do we need nontraditional processes very high hardness and the strength of the material. Pdf nontraditional machining ntm processes are now being widely used to generate.
This ppt gives brief introduction on various nontraditional machining techniques. When these processes are employed properly, they offer many advantages over non traditional machining processes. Nontraditional machining ntm lecture notes, ebook for final. The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. Nontraditional manufacturing processes or unconventional machining processes. Introduction to nontraditional machining processes machining. Edm is a kind of nontraditional 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. New developments in the field of material science have led to new engineering metallic.
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