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. 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. Advanced nontraditional machining processes 303 work. There is no cutting of metal with the help of metallic tool having sharp cutting edge. Introduction to nontraditional machining iit kanpur. 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 manufacturing processes an overview. Vivo hrs marks marks marks marks hrs hrs hrs hrs 2 0 0 2 2 3 70 30 0 20 120 learning objectives.
Use features like bookmarks, note taking and highlighting while reading non traditional machining processes. Pdf the role of nonconventional machining processes ncmps in todays manufacturing environment has been well acknowledged. Principles of nontraditional machining processes machining. These include mechanical, electrical, thermal, and chemical methods. 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. Conventional machining processes and machine tools moduleiv. Nontraditional manufacturing processes or unconventional machining. Conventional machining uses tools, such as lathes, milling machines, boring machines, drill presses, or. Nontraditional manufacturing processes introduction many material removal processes have been developed since world war ii to address problems that cant be handled with conventional, that is, traditional chipforming machining processes. 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. Download free or read online nontraditional manufacturing processes by garyf.
This book provides a convenient, single source of information on advanced machining, material forming. These nonconventional methods of treatment, are termed as alternative medicine. May 19, 2014 nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. Introduction to nontraditional machining processes machining.
Pdf nontraditional manufacturing processes by gary f. Difference between conventional machining and nontraditional. Given this, nontraditional machining is widely utilized in responding to modern industrial problems. The high demand and stringent design requirements in developing fields of microengineering as well as various needs of society and nation require the utilization of suitable techniques of non traditional machining processes on different existing and newly developed metals, non metals, alloys, polymers, ceramics, rubber and composites, etc.
Traditional machining processes consist of turning, boring, drilling. Ultrasonic machining is a mechanical type non traditional machining process. Various similarities and differences between conventional machining and non traditional machining ntm processes are given below in table format. Introduction to nontraditional machining processes. Nontraditional manufacturing processes manufacturing engineering and materials processing gary f. Nontraditional manufacturing processes, marcel dekker inc. Nontraditional machining processes, jagadeesha t, ebook. This paper presents a new method in machining of materials using cavitation process. Unconventional machining processes introduction and. Mechanical machining i jet machining and ultrasonic machining usm are typical examples of single action, mechanical non traditional machining processes. Nontraditional manufacturing processes teaching scheme credits marks distribution total l t p c marks theory marks practical marks ese ce ese ce 3 0 0 3 70 30 0 0 100 course content. Ultrasonic machining is a mechanical type nontraditional machining process. No conventional nonconventional 1 direct contact of tool and workpiece.
It describes available technologies that use tools, such as high velocity material jets, pulsed magnetic fields, light beams, electrochemical reactions, and more. Pdf nontraditional machining nontraditional machining. 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. Several types of nontraditional machining processes have been developed to meet extra required machining conditions. 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.
Nontraditional processes ntp nontraditional cutting processes. When these processes are employed properly, they offer many advantages over nontraditional machining processes. Comparison between conventional and nonconventional machining. Materials are removed by traversing in a direction parallel to the axis of. Tools are non conventional technique like laser beam, electric arc etc. The tool acts a cathode, and is immersed in a dielectric insulating fluid, and the workpiece acts as an anode.
A decision guidance framework for nontraditional machining. Nontraditional machining the definitive guide machinemfg. Non traditional machining non traditional machining. Download nontraditional manufacturing processes by gary f. Many advanced finishing processes have been employed to make circular andor noncircular cavities and holes in difficulttomachine materials. Nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. Unconventional machining process sasurie college of engineering. Various similarities and differences between conventional machining and nontraditional machining ntm processes are given below in table format. This book provides a convenient, single source of information on advanced machining, material forming, and joining processes. Pdf nonconventional machining processes selection using. Nontraditional machining traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. A new nontraditional machining method using cavitation process. Comparison between conventional and non conventional 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. The high demand and stringent design requirements in developing fields of microengineering as well as various needs of society and nation require the utilization of suitable techniques of nontraditional machining processes on different existing and newly developed metals, non metals, alloys, polymers, ceramics, rubber and composites, etc. These methods form a group of processes which removes excess material by various techniques involving mechanical, thermal, electrical chemical energy or combination of these energies. Similarities between conventional machining and ntm. 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. It is employed to machine hard and brittle materials both electrically conductive and non conductive material having hardness usually greater than 40 hrc. Dekker new york wikipedia citation please see wikipedias template documentation for further citation fields that may be required. In all these processes, except ion beam machining, abrasion of the workpiece takes place in a. 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.
Nontraditional manufacturing processes crc press book this book provides a convenient, single source of information on advanced machining, material forming, and joining processes. Ultrasonic machining usm and waterjet machining wjm are typical examples of single action, mechanical non traditional machining processes. This e book gives a handy, single supply of data on superior machining, materials forming, and becoming a member of processes. Mepr206a teaching scheme credits and hours teaching scheme total credit evaluation scheme total marks l t p total theory ie cia pr. Organized by type of process mechanical, chemical, electrochemical, and thermal, the book discusses 31. Benedict gf 1987 nontraditional manufacturing processes. Modern machining methods are also named as nonconventional machining methods. Nontraditional machining techniques for fabricating metal. Characteristics of electrolyte good electrical conductivity non toxicity and chemical stability non corrosive property low. They include homeopathy, traditional chinese medicine, ayurveda, acupuncture, yoga and many. Non traditional machining traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. It includes detailed information to gain insight into the manufacturing processes which are new, unconventional and list out the the. The processes described in this chapter are often called nontraditional machining ntm. Nontraditional machining processes kindle edition by jagadeesha t.
The process was first developed in 1950s and was originally used for finishing edm surfaces. 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. Several types of non traditional machining processes have been developed to meet extra required machining conditions. Each process has distinct capabilities and is suitable for specific purposes.
Nontraditional machining, utilizing electrical, chemical, and optical sources of energy. Tools are nonconventional technique like laser beam, electric arc etc. Nontraditional manufacturing processes 1st edition gary f. A new nontraditional machining method using cavitation. 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.
Computer aided process planning of nontraditional machining processes. It is an electro deposition process, so there is no formation of burrs, haz or other edge defects. Nontraditional processes ntp nontraditional cutting. The common non traditional machining processes are described in this section. Dekker new york wikipedia citation please see wikipedias template documentation for further. Use features like bookmarks, note taking and highlighting while reading nontraditional machining processes.
Given this, non traditional machining is widely utilized in responding to modern industrial problems. The common non traditional machining processes are described in. No conventional non conventional 1 direct contact of tool and workpiece. Even though the conventional medical practice of this era primarily refers to western medicine or allopathy, there are people, who still follow other systems of medicine. When these processes are employed properly, they offer many advantages over non traditional machining processes. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. This article discusses the various categories of nontraditional machining processes that are subdivided according to the form of energy being harnessed. Many advanced finishing processes have been employed to make circular andor non circular cavities and holes in difficulttomachine materials. Nontraditional machining processes flashcards quizlet. Nontraditional manufacturing processes manufacturing. Non traditional machining processes kindle edition by jagadeesha t. Nonconventional machining processes selection using multi. His main research interests are micro fabrication and nontraditional machining technologies. 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.
Non traditional machining free download as powerpoint presentation. 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. Download it once and read it on your kindle device, pc, phones or tablets. Electricaldischarge machining is based on the erosion of metals by spark discharge. Advanced nontraditional machining processes springerlink. Gate 2019 mechanical engineering syllabus contains engineering mechanics, mechanics of materials, theory of machines, vibrations, machine design, fluid mechanics, heattransfer, thermodynamics, engineering materials, casting, forming and joining processes, machining and machine tool operations, metrology and inspection, computer integrated manufacturing, production planning and control. Nontraditional manufacturing processes manufacturing engineering and materials processing benedict, gary f. Nontraditional manufacturing processes crc press book. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. Common non traditional machining methods electrical discharge machining edm.
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