Unconventional Machining Processes: Classification and ... 1 Non-Metallic Materials: Common types & uses of Wood, Cement-concrete, Ceramics, Rubber, Plastics and Composite-materials. •The introduction of abrasives to the fluid jet enhances the machining efficiency and is known as abrasive water jet machining. Difference between Conventional and non-conventional machining processes are : Conventional machining process involved tool wearing as there is a physical contact between the tool and the work piece. Use the given template and follow the guidelines described in the template. The wire used in this process should 65. •Electrical discharge machining is a machining method primarily used for hard metals or those that would be very difficult to machine with traditional techniques. Material removal … Expand. Using computer aided design (CAD) or 3D object scanners, additive manufacturing allows for the creation of objects with precise geometric shapes. Wire electrical discharge machining (EDM) is a process of metal machining in which a tool discharges thousands of sparks to a metal workpiece. When these processes are employed properly, they offer many advantages over non-traditional machining processes. This non-traditional machining process is widely used to pattern tool steel for die manufacturing. Similarly, Abrasive Jet Machining (AJM), Ultrasonic Machining (USM), Water Jet and Abrasive Water Jet Machining (WJM and AWJM), Electro-discharge Machining (EDM) are some of the Non-Traditional Machining (NTM) Processes. METALS & NON - METALS : STAINLESS STEEL , HIGH STRENGTH TEMPERATURE RESISTANT (HSRT) SUPER ALLOYS: STELLITE, ETC. Traditional: Improve system (disregarding all of the types of waste in the process). The lectures would introduce the basic principles of material removal by impact erosion by use of abrasives against hard and brittle materials. Water Jet Machining (WJM) also called water jet cutting, is a non-traditional machining process in which high-velocity jet of water is used to remove materials from the surface of the workpiece. 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. The main reasons for choosing non-traditional machining processes are: To machine high steel alloys. examples of single action, mechanical non traditional machining 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 • Now have computer numerical control (CNC) machines CHAPTER 2 PART 2.ppt - 21 Contemporary Strategic Management Accounting Technique Introduction Contemporary management accounting relates to modern . Laser processing technology (FIG. The tool travels vertically or orthogonal to the surface of the part at amplitudes of 0.05 to 0.125 mm (0.002 to 0.005 in. This is known as Gaseous Chemical Machining or Hot Chlorine Machining and can be used for deburring of metal parts. It is the process of obtaining desired product from raw material Classification • Metal casting :Making the desired product by melting and pouring the metal in desired cavity made in a mould. Unconventional machining process is defined as a group of p rocesses that remove excess. 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: to shape metal parts •Machining is the most versatile and accurate of all manufacturing processes in its capability to produce Week 2: Casting processes. Modern Manufacturing Processes A Review. ME6004 Unconventional Machining Processes - Anna University 2013 Regulation Syllabus - Download Pdf WJM can be used to cut softer materials like plastic, rubber or wood. `Fig. Lean: Everyone is empowered, trained in the principles of lean and encouraged to look for ways to improve processes. Traditional stand-alone NC machine tool - is characterized as a limited-storage, automatic tool changer and is traditionally operated on a one-to-one machine to operator ratio. This is the reason why it is considered non-traditional contrary to, for example, the processing with . Non Traditional Machining Processes S5ME Complied by: Jagadeesha T, Assistant Professor, National Institute of Technology, Calicut. When these processes are employed properly, they offer many advantages over non-traditional machining processes. • New and novel materials because of their greatly improved chemical, mechanical and thermal properties are sometimes impossible to machine using traditional machining processes. Save. Advanced Machining Process Text Book Soft Copy. 1) forms a laser beam with high energy density by focusing the energy of light through the lens, utilize the properties of the laser beam and material interaction for cutting, welding, surface treatment, punching and micro-machining (including metal and non-metal). Introduction to Machining: Milling Machine . In the book, the authors examined the manufacturing activities exemplified by the Toyota Production System. 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. They can also be used to drill, bore, cut gears, and produce slots. Diameter pembukaan nosel berkisar antara 0,010 in. Lean: Improve system by 1) Eliminating waste and 2) Improving current processes. •The machining medium is solid grains suspended in an abrasive slurry in the former, while a fluid is employed in the wjmprocess. Page 1 ELECTRO CHEMICAL MACHINING Introduction: The process of metal removal by electro chemical dissolution was known as long back as 1780 AD but it is only over the last couple of decades that this . The electron beam machining Process also comes under one of those Non-traditional machining methods where highly dedicated accuracy is maintained. LBM is used in surgery. In ultrasonic machining, a tool of desired shape vibrates at an ultrasonic frequency of around 19—25 kHz with an amplitude of around 15 - 50 μm over the workpiece. Non-Traditional Machining • Traditional machining is mostly based on removal of materials using tools that are harder than the materials themselves. non-traditional machining, also known as "non-conventional machining" or "modern machining method", generally refers to the machining method of removing or adding materials with energy of electricity, heat energy, light energy, electrochemical energy, chemical energy, sound energy and special mechanical energy, so as to realize materials being … Companies Clarification: Ultrasonic machining is a mechanical type non-traditional machining process. Zinc or brass coated wires are also used extensively in this process. They are used for almost all general kind of product manufacturing. This machining process comes into existence in 1950 for finishing EDM surface. In 1927, Emil Lerp invented a saw that works with using oil in Germany. To generate desired complex surfaces and; To achieve high accuracy and surface finish. Several types of non-traditional machining processes have been developed to meet extra required machining conditions. Conventional Machining Processes 2. Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through high frequency, low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. (0,63 mm), sedikit lebih besar daripada WJC.Tekanan air yang digunakan hampir sama seperti WJC, sedang jarak antara pembukaan nosel dengan permukaan bendakerja sedikit lebih kecil, untuk meminimalkan dampak dari percikan cairan pemotong, yang sekarang mengandung partikel abrasif. Manufacturing processes can be broadly divided into two groups 1.Primary manufacturing processes This provide basic shape and size to the material as per designer's requirement.Eg.Casting, forming, powder . RECENT TRENDS IN NON TRADITIONAL MACHINING PROCESSES. Answer (1 of 6): It is nothing but the process in which the material is removed by the direct contact between tool and workpiece. Week 5: Joining processes. History The early ancestors of modern humans, likely first used a jawbone of bovid animals as a saw. [Off-campus students] Each student must choose a subject relevant to traditional manufacturing processes, survey the related literature, and summarize the chosen processes he report must be on 8.5" x 11" paper. Basic Manufacturing Processes. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. b) High surface quality. A n 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. Course layout. April 20th, 2019 - Laser beam machining LBM is a non traditional subtractive manufacturing process a form of machining in which a laser is directed towards the work piece for machining This process uses thermal energy to remove material from metallic or nonmetallic surfaces Non Traditional Machining Questions and Answers Sanfoundry 1. . These are built layer by layer, as with a 3D printing process, which is in contrast to traditional manufacturing that often requires machining or other techniques to remove surplus material. traditional machining the definitive guide, ppt non traditional machining processes powerpoint, nontraditional machining of inconel 600 material, non traditional machining process ion beam machining, vtu notes for all branches mechanical notes, chapter 1 introduction 2 / 6. References Ultrasonic Machining- Introduction Ultrasonic machining is a non- traditional mechanical means of uniform stock material removal process It is applicable to both conductive and nonconductive materials. In non-conventional process, this is not the case. intelligent robots, autonomous drones, sensors, 3D printing). Modern or 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 processes. It is also called EBM. It's nearing 40 years since 3D printing was conceived in 1981, but widespread additive manufacturing is now close at hand. Laser beam machining (LBM) is a non-traditional subtractive manufacturing process, a form of machining, in which a laser is directed towards the work piece for machining. . 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. Manufacturing Establishment: Plant location.Plant layout-its types.Types of Production.Productionversus Productivity. whereas, in today's article, we will discuss EBM along with Definition, Parts, Working Principle . Laser Beam Machining Application: The following application of Laser beam machining is: The laser beam machining process is used for making very small holes. LASER BEAM MACHINING - NON TRADITIONAL MACHINING 1. Particularly suited for very hard and/or brittle materials such as graphite, glass, carbide, and ceramics. The technology of the manufacturing processes will be explained in detail. Electron Beam Machining - Equipment Fig. Traditional machining processes are the processes which are used from the ancient times till today. In unconventional machining, a form of energy is used to remove unwanted material from a given workpiece. The details of topics are given in the syllabus and on the content pages. Non-Traditional Machining method is an advanced method used to overcome the problems of Traditional Machining methods. unit-ii.pptx: File Size: 5137 kb: File Type: pptx: Download File. UNCONVENTIONAL MACHINING PROCESS Kings College of. The report must have the page Classification: Classification of unconventional machining processes was mainly on the basis of the nature of energy employed in machining process. The common non- traditional machining processes are described in this section. UNIT-I INTRODUCTION AND ULTRASONIC MACHINING - unit-i introduction and ultrasonic machining subject : non-traditional machining (me 635) n.ram kumar m.e., assistant professor department of mechanical engineering | PowerPoint PPT presentation | free to view Some of the processes employed for hole making are electro-discharge machining, laser beam machining, electron beam machining, shaped tube electro-chemical machining and electro-chemical spark machining. Now this process is used in many industries to remove metal due to its lower cost, no heat generation, and effective machining. Unit - II PPT, Animation and Videos. Figure 4: Wire erosion of an extrusion die-5-The wires for wire EDM is made of brass, copper, tungsten, molybdenum. The pace of change reflects 'Moore's law' on the speed at which information technology-driven change happens. In many cased, stand-alone NC machine tools have been grouped together in a conventional part family manufacturing cell arrangement and Classification of Vertical Milling Machine is Most Common • Milling machines are very versatile. The unconventional machining is also called as non-traditional machining.. This course will define the areas of application of non-traditional abrasive machining processes in the manufacturing industry. The last Unit-IV covers misc. Most metal components and parts require some form of machining during the manufacturing process. Unit - I PPT, Animation and Videos. Alert. Difference between Conventional and Non Conventional. PowerPoint Presentation Non-Traditional Manufacturing Processes Chemical Machining (CM) Electrochemical Machining (ECM) Electro-Discharge Machining (EDM) Laser cutting Ultrasonic Machining (USM) Water-Jet and Abrasive Water-Jet Machining Chemical Machining Etching: Chemical reaction between reagent (in gas, solution, or paste form) and workpiece. 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, and honing. Week8: Introduction micromanufacturing. They are usually used to machine flat surfaces, but can also produce irregular surfaces. The principle of laser machining. unit_-_iii.pptx: File Size: 1756 kb: File Type: pptx . Effect of working gap and circumferential speed on the performance of magnetic abrasive finishing process. Week 9 and 10: Advanced machining processes (AJM, USM, ECM and EDM) Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers . The laser is focused onto the surface to be worked and the . There exist four basic non-traditional machining processes (EDM, LBM, EBM, and PAM) where thermal energy is utilized to melt and vaporize a tiny volume of material from the workpiece. Spline cutting is the process of machining internal or external splines (ridges or teeth) onto shafts, gears and other mechanical power transmission components, which mesh with grooves in a mating piece allowing power to be transmitted from one to the other. In 1950, he invented first portable saw which has a motor. Complicated welding of non-conductive and refractory materials. EDM is mainly used to machine difficult-to-machine materials and high strength temperature resistant alloys. • 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 • Now have computer numerical control (CNC) machines The two electrodes workpiece and tool is immersed in an electrolyte (such as NaCl). Electrochemical machining (ECM) is a machining process in which electrochemical process is used to remove materials from the workpiece. Unconventional Machining Processes - ME8073, ME6004. Ultrasonic machining is non-traditional machining process which is used to machine brittle and hard material. The book is intended for engineers of any specialization to present an overview of manufacturing By P.V.R.Ravindra Reddy Associate Professor Department of Mechanical Engineering Chaitanya Bharathi Institute of Technology Definition. This paper reviews recently published work on sustainability issues related to these processes. NON TRADITIONAL MACHINING TECHNIQUES INTRODUCTION TO NON TRADITIONAL MACHINIING TECHNIQUES By Mr. Vaddi Thulasikanth Assistant Professor 2. which were presented in this article in a detailed way. Until at least the mid-19th century, saws were made laboriously by hand. In 1926, the first saw which worked with electricity was invented by Andreas Stihl. a) True b) False . Week 6 and 7 : Non-traditional machining processes. Unit - III PPT, Animation and Videos. In ultrasonic machining (USM), the tool is pressed downward. LASER BEAM MACHINING 2. Week 1: Manufacturing properties of materials. Around the world, traditional manufacturing industry is in the throes of a digital transformation that is accelerated by exponentially growing technologies (e.g. Spline Cutting. Lean manufacturing or lean production are reasonably new terms that can be traced to Jim Womack, Daniel Jones and Daniel Roos' book, The Machine that changed the world [1991]. and left-over but relevant topics. Non-conventional tools are more accurate and precise than the conventional tool. •EDM typically works with materials that are electrically conductive, although methods have also been proposed for using EDM to machine insulating ceramics. How Does Additive Manufacturing Work? The basic functions of any electron beam gun are to generate free electrons at the cathode, (0,25 mm) sampai 0,025 in. Examples of these processes are turning, drilling, lapping etc. a) Complex shapes. 2 Week 3 and 4: Machining processes. c) Low-rigidity structures. Much like processes such as laser cutting, EDM does not need mechanical force in the removal process. 5. Non-traditional machining processes (such as EDM and ECM) provide alternatives or sometimes the only alternative in generating highly complex 3-D features in very difficult-to -machine materials. Non-Traditional machining is recommended when we need which of the following features? The designation "Non Traditional Machining" is applied to wide variety of mechanical, electrical . In the last article, we had discussed Ultrasonic Machining, Electrical Discharge Machining, Electrochemical Machining, etc. material by various techniques involving mechanical, thermal, electrical or chemica l. energy or . PPT - Non traditional Machining Processes PowerPoint. 48 Micro-manufacturing A set of processes used to fabricate features, UNIT-I INTRODUCTION AND ULTRASONIC MACHINING - unit-i introduction and ultrasonic machining subject : non-traditional machining (me 635) n.ram kumar m.e., assistant professor department of mechanical engineering Selective heat treating of materials. 250+ TOP MCQs on Non Traditional Machining and Answers. The energy is utilized to rotate either workpiece or tool, and the cutting tool should be harder than workpiece (35-50% more hardness). Traditional machining processes Advanced machining processes Traditional finishing processes Advanced finishing processes. Advanced Machining Processes Multiple Choice Questions on "Non Traditional Machining". Many advanced finishing processes have been employed to make circular and/or non-circular cavities and holes in difficult-to-machine materials. It can be roughly defined as the process of removing material from a workpiece using power-driven machine tools to shape it into an intended design. Micro-drilling operation. CONVENTIONAL MACHINING PROCESSES AND MACHINE TOOLS Module-IV Turning Turning operation is a machining process and is used to produce round parts in shape by a single point cutting tool. Mass macro machining production. Traditional: Management is the primary driver of change. A non-conventional process, though hardly a new one, wire EDM works on parts resistant to conventional machining processes, but only if these parts are electrically conductive; usually, they are non-ferrous, and . material by various techniques involving mechanical, thermal, electrical or chemica l. energy or . Unconventional machining process is defined as a group of p rocesses that remove excess. major manufacturing processes such as Metal Forming & Casting and Machining & Welding. Abrasive Flow Machining (AFM) is a new non-traditional machining process used to deburr, radius, polish, and remove recast layer of components used in a wide range of applications. Examples of conventional machining processes are turning, boring, milling, shaping, broaching, slotting, grinding etc. EMM can deliver excellent machining results through fabricating complex features with high accuracy and high aspect ratio also in nanorange because of the latest developments in the monitoring and control of inter-electrode gap (IEG) to a much lower range and availability of ultrahigh frequency pulsed power facility. In the process, workpiece is taken as anode and tool is taken as cathode. Electrical discharge machining, or EDM, is a non-traditional method in which material is removed from a workpiece using thermal energy. Advanced processes include electrical and chemical means of material removal, as well as the use of abrasive jets, water . Chemical milling sometimes called Chem milling or contour machining or etching. Chemical Milling. The Non-Traditional Machining methods include, Ultrasonic Machining, Laser Beam Machining, Water Jet Machining, Abrasive Water Jet Machining, Electron Beam Machining, etc. ). 2018 21-20 Target Costing . Lean manufacturing is the systematic elimination of waste . Image credit: Pixel B/Shutterstock.com. Several types of non-traditional machining processes have been developed to meet extra required machining conditions. Modern machining processes pc pandey pdf WordPress com. The Original 5 Manufacturing Processes: The first three environments . In Electron Beam Machining (EBM), a concentrated beam of . Electro Discharge Machining (EDM) is an electro-thermal 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. Chemical machining for some special purposes can also be achieved by using a jet of reactive gas, e.g., chlorine on the machining zone. Machining is a manufacturing term encompassing a broad range of technologies and techniques. Material removal processes are mainly divided into two types traditional and non-traditional. The common non- traditional machining processes are described in this section. The scope of this article includes primarily nontraditional machining processes, covering the fundamentals in detail, capabilities and limitations, and applications of all processes, in easy-to-read format for study by the novice student. 9.6.3 shows the schematic representation of an electron beam gun, which is the heart of any electron beam machining facility. unit_-_i.pptx: File Size: 6606 kb: File Type: pptx: Download File. The major characteristics of conventional machining are . to eliminate non-value-added aspects of the product design - Value analysis of manufacturing processes to eliminate non-value-added activities in manufacturing . EMM can also be operated in . Non-Traditional Machining: Definition, Types, Advantages, and Disadvantages [Notes with PDF] In this article we'll learn in-depth about Non-Traditional Machining, how it works, Types in detail, its applications, benefits and so much more in detail. 9.6.2 Mechanism of Material Removal in Electron Beam Machining 3. Although mechanism of material removal is same in all four processes, the source of heat is different. 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. 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non traditional machining ppt