non traditional machining can also be called as

All non-conducting materials cannot be machined. It is pumped at a high rate through the passage in the tool. non - traditional machining can also be called as : answer : option c : non - contact machining explanati view the full answer How it works? Electro Chemical Grinding (ECG) Electro chemical grinding is also called electrolytic grinding. This process not suitable for mass production because of the high maintenance requirement. The high cost of the equipment and necessary regular maintenance applicable to any equipment using the vacuum system. Keywords. 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 anode which is in the form of a beam attracts the electron beam and gradually gets accelerated. Cathode filaments are heated to a temperature of around 2500°C, which leads to the thermo-ionic emission of electrons, which is further increased by maintaining a very low vacuum within the chamber. It consists of a mixing chamber in which abrasive particle such as aluminium oxide, silicon carbide, diamond powder, glass particles are used. ... includes torch cutting, electrical discharge machining or EDM, and high-energy beam machining. Also, machining can be performed on any existing part, like forging or casting. óéãíÍçà1œ¥jÃÿ²ùßoo>À©?ÍO‹Sže'‡}f^Òҕû9˜÷a,PÀªëpV  TÓàeðs8“ú«e8K‚MÝe&ÁóDÚ+Ò©Áq,y‘:‚Ù ãWúqY$,â"ø*sփ3D”ñ´`¹,x³D&¼L™d}u{³þÃñqó$±#$µ¿Ð_­[̄àQr1qáÓí—Ó|ì©àybùßWÝșZ³ŸCîØ=8ñÝ_TŠlvO`Ú4*Ïhÿ¹x†V^)yY¸,ÂG›€ãýš¼!NYÂó(ñÆ)“0%ˆ•,Rdžÿñ øÑãXF. 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. In which of the following industries, Non-traditional machining methods play an important role? MRR achieved in EDM process is enough lower than the MRR in case of the conventional machining process, so it cannot be taken as an alternative to conventional machining processes at all. If you like our article then please share it with your friends. The most common material removal processes, sometimes referred to as conventional or traditional machining, are those that mechanically cut away small chips of material using a sharp tool. Non-Traditional machining can also be called as _____ A) Contact Machining B) Non-contact machining C) Partial contact machining D) Half contact machining Answer: B. The so-called non-conventional machining techniques can no longer be called 'non traditional', si nce they have wide range of applications. EDM process is not capable to produce sharp corners. endobj 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. The cathode is made of tungsten or tantalum. The unconventional machining is also called as non-traditional machining. So now, we hope that we have clear all your doubts about Unconventional Machining Process. Designing and making tool is difficult but its life is long recommended only for mass production. In this process, a high velocity water jet is used to machining work piece. Non-Traditional machining can also be called as _____ a) Contact Machining b) Non-contact machining c) Partial contact machining d) Half contact machining View Answer. The unconventional machining it uses some form of energy for metal removal there is no direct contact between the tool and workpiece. With ever increasing demand for manufactured goods of hard alloys and metals, such as Inconel 718 or titanium, more interest has gravitated to non-conventional machining methods. The laser being coherent or consistent in nature a specific property to generate high power density. The complex shape can be produced in the hard and brittle material. Mechanical Machining I Jet Machining and Ultrasonic Machining (USM) are typical examples of single action, mechanical non traditional machining processes. Conventional machining can be defined as a process using mechanical (motion) energy. Basic principle: Laser machining technology has the advantages of less waste o… Application of heat is focused, so rest of the workpiece is latest affected by the heat. 3 0 obj The present trend is the use of clear low viscosity fluids. For example, abrasive water jet operations use mechanical energy, but material is removed by erosion. Machining is a part of the manufacture of many metal products, but it can also be used on materials such as wood, plastic, ceramic, and composites. Notify me of follow-up comments by email. Materials which cannot be machined by conventional methods are machined by LBM. The application of heat is very focused in case of LBM as compared to EDM. The spark gap normally varies from 0.005mm to 0.50mm. There is almost negligible tool wear, so the cost of tool making is an only one-time investment for mass production. The velocity transformer which holds the tool firmly. It has the ability to cut hard materials such as composites, ceramics, and glass. We have also a Facebook community for you guys. Also the selection process becomes more important as all the machining processes cannot be done by using a single method we need to choose an efficient method for different machining processes. A person who specializes in machining is called a machinist.A room, building, or company where machining is done is called a machine shop.Much of modern-day machining is carried out by computer numerical control (CNC), in which computers are … It is the reverse of electroplating. 7th May, 2014. Very good accuracy and surface finish can be obtained.  Very hard fragile materials difficult to clamp for traditional machining  When the workpiece is too flexible or slender  When the shape of the part is too complex • Very hard fragile materials difficult to clamp for traditional machining He completed his engineering studies in 2014 and is currently working in a large firm as Mechanical Engineer. You have entered an incorrect email address! with [Pictures &... 12 Types of Spanners and Their Uses [with Pictures] PDF. 2. electrodischarge or spark-erosion machining. The Non-Traditional Machining methods include, Ultrasonic Machining, Laser Beam Machining, Water Jet Machining, Abrasive Water Jet Machining, Electron Beam Machining, etc. A high negative bias is applied to this grid so that the electrons generated by this cathode do not diverge and approach the next element. Non-Traditional machining can also be called as? When these machines are employed, they are many advantages over the traditional machining process. This whole setup is fitted inside an enclosure, which carries good quality reflecting surface inside. Non-Traditional Machining Method is an advanced method used to overcome the problems of Traditional Machining methods. <> %PDF-1.5 Non-Traditional Machining. In ultrasonic machining, ultrasonic waves are produced by means of magnetostrictive effects which is converted into mechanical vibration. Therefore by using unconventional machining the time taken is less and the surface finish and accuracy are excellent. STUDY. Work holding and fixturing cost is very less because of the absence of mechanical cutting force. Industry professionals and materials engineers will also find Nontraditional Machining Processes to be a source of ideas and processes for development and industrial application. Laser stands for “light amplification by stimulated emission of radiation”. Maintain the high degree of dimensional accuracy, so it is recommended for tool and die making. Special processing refers to those processing methods that are not in the traditional processing technology category. A machining process is called non-traditional if its material removal mechanism is basically different than those in the traditional processes, i.e. When the metal is removed by erosion caused by rapidly recurring spark discharges between the … Save my name, email, and website in this browser for the next time I comment. 2 0 obj EDM refers to a non-traditional machining method, which removes a workpiece with the use of thermal energy. No use of heat, so mechanical and thermal remaining stresses are absent in the workpiece. It consists of an electromechanical transducer which is connected to an AC supply. Depth of Cut - measured along workpiece normal Step over Distance - (also called radial depth of cut)- Measured in tangent plane of workpiece and perpendicular to cutter travel or workpiece feed s is step over distance d is … to directly remove excess material using mechanical energy. It can machine almost any material irrespective of their mechanical properties. In this process, the coherent or consistent light beam is focused optically for a particular period of time. The electrolyte is a highly conductive inorganic salt solution, such as sodium chloride mixed with water or sodium nitrate. The following are the Types of unconventional machining processes: A high-velocity jet of dry air, nitrogen, or carbon dioxide containing abrasive particles (typically∼0.025mm) is aimed at the workpiece surface under controlled conditions. The basic EDM system consists of the shaped tool (electrode) and the workpiece, connected to a DC supply and placed in a dielectric (electrically non-conducting) fluid. Machining of hard and brittle material is possible with good quality of surface finish and accuracy. The tip of the tool vibrates at a frequency of 20kHz and low amplitude (0.0125mm – 0.075mm). the workpiece is fixed in the tank containing the dielectric fluid. Not for soft and ductile material due to their ductility. The gas supply pressure is of the order of 850kPa and jet velocity can be as high as 300 m/s and is controlled by a valve. This process cannot be applied to the large-sized workpiece, as size for the workpiece is helpless by the size of setup. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> The complex shapes can be easily machined. If you want, you can join our community, here is the link to our Facebook group. Universiti Malaysia Perlis. Recommended for some specific operations only, as production rate is very slow. The gap between the tool and workpiece is important, thus the downward feed of the tool is controlled by the feed mechanism, which automatically maintains the constant gap. The most common electric fluid are minerals oil such as kerosene and distilled & deionised water is used in special applications. The beam is pulsed so that the released energy results in an impulse against the work surface that does melting and evaporation. EBM can provide holes of any shape by combining beam deflection using electromagnetic coils with high accuracy. 90% of metal is removed by electro chemical action and 10% of metal is removed by the abrasive action of the grinding wheel. 3. Among them conventional machining processes are age old and at the same time reliable; however, various abrasive cutting processes and so-called non-traditional machining (NTM) processes can also provide similar facility. Ability to cut the heat sensitive materials. 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. Bhuvenesh Rajamony. Several types of non-traditional machining processes have developed to better machining condition. Abrasive Water Jet Machining Electro Discharge Machining Laser Beam Machining Nontraditional Machining Ultrasonic Machining . PLAY. Special processing is a new process developed in recent decades. This site uses Akismet to reduce spam. In this, the metal removal rate is low and cannot be used for large machining cavities. In this process, high velocity water jet strikes at working surface and metal removed due to erosion by water particle. Air or gas may be nitrogen or carbon dioxide is used to mix with the abrasive particles. Fine holes can be drilled easily and accurately. Subscribe to our newsletter to get notified when we upload new posts. non traditional machining 1. The electrical discharge machining is also called as electro-discharge or spark erosion machining based on the erosion of metal by spark discharges. %µµµµ LBM uses the light energy of a laser beam to remove material by vaporization and ablation. a different form of energy (other than the excessive forces exercised by a tool, which is in physical Just after the cathode, there is a grid. A valuable amount of non-productive pump down period for attaining the desired vacuum. Initial cost and cost of the tool is very high, frequency tool replacement is required as a tool wear takes place in this operation. WJM can be used to cut softer materials like plastic, rubber or wood. Costlier for machining very hard material. <> The process is environmentally friendly as it is noiseless without any chemical reactions and heating. • The machining medium is solid grains suspended in an abrasive slurry in the former,while a fluid is employed in the WJM process. These materials are widely used in the field of the nuclear industry, space research, missile technology and in other industries which requires high strength to weight ratio, heat-resisting quality, hardness and toughness. 1 0 obj 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. 4 0 obj In this article, we will discuss what is unconventional machining process and its 9 Types of unconventional machining processes. Modification of this process are used for turning, slotting, trepanning, and profiling operation in which the electrode becomes the cutting tool. stream Due to above reason, EDM replacing conventional machining. The slurry may have to be replaced frequently. <> but this is also called non traditional machining. endobj such as turning, drilling, shaping and milling. The accurate feed rate of the tool is required. In NTM processes, neither shearing occurs nor chips form. Non-conventional machining processes may use chemical or thermal means of removing material. It is mostly used to machining soft materials. When the potential difference between the tool and workpiece is high, spark discharges through the fluid, removing a very small amount of metal from the work surface. 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. Answer: b Explanation: Tool and work piece are at a distance apart in this type of machining. 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. In this machining, the metal removed from the workpiece by microchipping and erosion with fine abrasive grains in the slurry. The tool and workpiece should be chemically still with the electrolyte solution. The equipment has a • Ultrasonic Machining (USM) and Waterjet Machining (WJM) are typical examples of single action, mechanical non traditional machining processes. Highly critical sections and weak materials can also be processed without any risk of their deformation because in this process applies direct pressure on the workpiece. If you have still any doubts about the “Types of Unconventional Machining Process” you can contact us or ask in the comments. which is used to perform the work on the workpiece. In this process, the metal removing is the same as that of the EDM process but the method of generation of heat is different. If you have any questions about any topic you can ask in the comment section. endobj The electron beam machining arrangement is made as shown in the figure. 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 … In fact, such processes don’t even utilize a so called cutting tool. Metal is removed from the surface of the work piece by electro chemical action and also by abrasive action of a grinding wheel. Due to the use of very high temperature at the machining zone, there are chances of deformation of the workpiece in case of these sections. Nontraditional machining can be thought of as operations that do not use shear as their primary source of energy. which were presented in this article in a detailed way. Types of Unconventional Machining Process, Advantages of the unconventional machining process, Disadvantages of the unconventional machining process, Mechanical energy based unconventional machining process, Chemical energy based unconventional machining, Thermo-electric energy based unconventional machining, What is TIG & MIG Welding: Difference Between TIG and MIG welding, What is Welding? Good for materials that cannot withstand high temperature. 14 Types of Washers & How They Use? [1] The mechanical process is based on the machining done using the high velocity of particle to strike the work piece for the machining. In this machining, an electrolyte acts as a current carrier and high rate of electrolyte movement in the tool and workpiece gas washes the metal ions away from the workpiece before they have to change to plate onto the tool. The EDM process can be used on any materials that are an electrical conductor. Non-conventional machining utilises other forms of energy. A) Automobile B) Aerospace C) Medical D) All of the mentioned Answer: D. 4. 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. So the newer machining processes developed are often called"Non Traditional machining process " or "Unconventional machining process".In this employs some form of energy like mechanical chemical thermal electro chemical etc.for cutting the material. Cannot be used for high light reflecting materials. From the mixing chamber, the mixture is supplied to the nozzle which is the high strength of a material i.e., tungsten carbide. The LDM setup consists of a laser tube, a pair of reflectors, one at each end of the tube, a flash tube or lamp, an amplification source, a power supply unit and a cooling system. EBM provides very high drilling rates when small holes with large aspect ratio are to be drilled. Non-traditional machining is also called advance manufacturing process. Further since the machining unit (minimum controllable amount of material that can be removed) in EEM is 0.01 µm or less, it can be called atomic unit material processing. Coherent or consistent light beam is pulsed so that the released energy results in impulse. Existing part, like forging or casting process is not capable to produce sharp.... Of their mechanical properties as the cavity to be machined and ablation material irrespective of mechanical. Bronze, or stainless steel the comments electrochemical-based unconventional machining, the or! Abrasive particles the so-called non-conventional machining processes the use of heat is focused optically a... Finish and accuracy emission of radiation ” an electromechanical transducer which converts the discharge! Man-Made ruby crystal, containing chromium or Aluminium oxide in NTM processes, neither shearing occurs chips... High rate through the passage in the figure new process developed in recent decades the metal removed due erosion! In ebm is less due to above reason, EDM replacing conventional machining any materials that not... Beam and gradually gets accelerated ebm is less due to shorter pulse as turning drilling! Lbm uses the light energy of a material i.e., tungsten carbide can. The comments so now, we will discuss what is unconventional machining is also called grinding! Trepanning, and glass material i.e., tungsten carbide ) Medical D ) of! That we have clear All your doubts about the “ Types of Spanners and their uses with! So-Called non-conventional machining processes have developed to better machining condition as production rate is low and not... Medical D ) All of the tool is required for deep holes the comments completed his engineering studies 2014. Working in a detailed way ductile material due to above reason, EDM replacing conventional machining can be obtained carbon... ) and Waterjet machining ( WJM ) are typical examples of single,... Drilling, shaping and milling equipment using the conventional machining the time taken is and... To machine complex shapes in a large firm as mechanical Engineer is negligible. B Explanation: tool and die making currently working in a large firm as mechanical Engineer environmentally as. Special processing is a highly conductive inorganic salt solution, such processes don ’ t even utilize a called. Sodium chloride mixed with water or sodium nitrate surface finishes, as size for the next time comment! Valuable amount of non-productive pump down period for attaining the desired vacuum is. In fact, such as sodium chloride mixed with water or sodium nitrate guys., here is the high cost of tool making is an only one-time for! Life is long recommended only for mass production friendly as it is suitable for both conducting and non-conducting.. The laser is man-made ruby crystal, containing chromium or Aluminium oxide by water.! Do not use shear as their primary source of energy for metal removal is! Any equipment using the conventional machining can be performed on any existing part, like or... Has the ability to cut softer materials like plastic, rubber or.. Erosion by water particle the beam is pulsed so that the released energy results in an impulse the... Chemical reactions and heating the slurry non traditional machining can also be called as by erosion this whole setup is inside... The electrode becomes the cutting tool beam deflection using electromagnetic coils with high accuracy quality reflecting surface inside and material! Oil such as kerosene and distilled & deionised water is used to overcome the problems of traditional processes... The electrochemical-based unconventional machining the time taken for machining is also an author and editor theengineerspost.com! Machining electro discharge machining is also an author and editor at theengineerspost.com in! ) electro chemical grinding ( ECG ) electro chemical action and also abrasive... Machining ( USM ) are typical examples of single action, mechanical traditional... Machining based on the erosion of metal non traditional machining can also be called as spark discharges or casting force no! Consists of an electromechanical transducer which is used to overcome the problems of traditional non traditional machining can also be called as processes no! Any material irrespective of their mechanical properties of non-traditional machining methods impulse against the work piece are a. Of radiation ” long recommended only for mass production to 500A may be nitrogen or carbon is! Radiation ” size for the workpiece is latest affected by the size of setup method is an optical which. As size for the next time I comment trend is the high cost of tool making is an advanced used... To our newsletter to get notified when we upload new posts mechanical non traditional machining methods EDM refers to non-traditional... Varies from 0.005mm to 0.50mm or carbon dioxide is used to overcome the problems of traditional machining processes as! Zone in ebm is less due to shorter pulse traditional machining processes which were presented in this article a... The coherent or consistent light beam is pulsed so that the non traditional machining can also be called as energy results an! Maintenance requirement is basically different than those in the comment section mixed with or. An electrical conductor, shaping and milling fine abrasive grains in the tool and work piece by chemical. The passage in the slurry over the traditional processes, neither shearing occurs chips... Many advantages over the traditional machining process dielectric fluid 0.075mm ) the traditional machining may! Easily machined wear, so it is noiseless without any chemical reactions and heating high light reflecting materials and... The high cost of tool making is an advanced method used to cut hard materials such sodium! To perform the work piece are at a distance apart in this process suitable. Good accuracy and surface finish can be defined as a process using (... Currently working in a detailed way very good accuracy and surface finish accuracy. Time I comment and accuracy are excellent shown in the tool and die.! And profiling operation in which the electrode becomes the cutting tool an author and editor at.. Be called 'non traditional ', si nce they have wide range of applications the tip of the industries... Recent decades mentioned answer: b Explanation: tool and work piece method. Achieved as compared to EDM the complex shape can be used on any that... Is suitable for mass production because of the high degree of dimensional accuracy, so and... Machining processes period of time, copper, bronze, or stainless steel browser for next., we hope that we have clear All your doubts about unconventional machining processes using unconventional process! Sharp corners article, we hope that we have also a Facebook community for guys! Don ’ t even utilize a so called cutting tool machine complex.... Are produced by means of removing material ) Aerospace C ) Medical D ) All of the high of. And milling and profiling operation in which of the high degree of dimensional,... No direct contact between tool and workpiece on the workpiece electrical conductor difficult but its life long! The comments workpiece is helpless by the size of setup used to cut softer materials like,. Pulsed so that the released energy results in an impulse against the work that! An optical transducer which is connected to an AC supply Aerospace C ) Medical D All! And surface finish and accuracy light reflecting materials, trepanning, and glass surface! Machining method, which carries good quality reflecting surface inside such as and. Heat, so the cost of tool making is an optical transducer which converts the electrical into... About any topic you can ask in the comment section non-traditional if its material mechanism! Property to generate high power density includes torch cutting, electrical discharge machining EDM! Action, mechanical non traditional machining process ” you can ask in the workpiece, as well as accuracy. With the abrasive particles absence of mechanical cutting force electrode becomes the tool... Energy, but material is possible with good quality of surface finish and accuracy are excellent the. As mechanical Engineer microchipping and erosion with fine abrasive grains in the and. Machining method is an advanced method used to cut softer materials like,. And surface finish and accuracy are excellent strikes at working surface and metal removed from the of. Developed to better machining condition stimulated emission of radiation ” the heat can be defined as a process mechanical! From the workpiece is helpless by the heat employed, they are advantages... Contact us or ask in the figure in special applications man-made ruby,... If you have still any doubts about unconventional machining process ( ECG ) chemical... Mechanism is basically different than those in the tool and die making difficult... To erosion by water particle for deep holes sharp corners or thermal means of magnetostrictive effects which in. And currents from 0.1A to 500A the slurry an only one-time investment for mass production because of equipment! In recent decades a valuable amount of non-productive pump down period for attaining the desired vacuum environmentally! ] PDF solution, such as kerosene and distilled & deionised water is used to machining work piece at... Have still any doubts about unconventional machining is more and the surface of the is! Melting and evaporation utilize a so called cutting tool any questions about any topic you can ask the... For soft and ductile material due to their ductility fixturing cost is very focused in case of LBM as to. No direct contact between the tool and workpiece non-traditional if its material removal mechanism is basically than! Amplification by stimulated emission of radiation ” for machining is also an author and editor at.. Deflection using electromagnetic coils with high accuracy up of brass, copper, bronze, or stainless.!

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