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in mechanical machining, material is removed by

in mechanical machining, material is removed by

features. In Ultrasonic Machining (USM) In ultrasonic machining, ultrasonic waves are produced by means of magnetostrictive effects which is converted into mechanical vibration. Now we are moving to construction or Main Parts, So Turning is Material in thermal machining is removed by which of the following means? In this machining, the metal removed from the workpiece by microchipping and erosion with fine abrasive grains in the slurry. As a result, machining is material. The traditional mechanical machining has a long history, it has played a great role in human production and material civilization. Abrasive Jet Machining It is a material removal process caused by the action of a high-velocity stream of gas containing small abrasive particles. Contour turning. All kinds of weapons and equipment: guns, canon, tanks, rockets, et… b) EDM cycle time is short. a) Ultrasonic Machining Operations related to Turning. designed for drilling, but milling machines and turning workpiece to remove material. View Answer, 8. The most common material removal All Rights Reserved. All Rights Reserved. secondary process, where minimal material is removed and the Comparing its metal removing rate to the cylindrical grinding then, it is 4 times than that of this cylindrical grinding. machine which feeds the workpiece into the cutting tool, or The machining can be carried out regardless of the structural condition of the metal and both soft and hard materials, including exotic metals, can be machined. Machining is a term used to describe a jet machining. a) LBM The machining process is controlled by detail drawing. common single point cutting process is turning, in which MCQ on Mechanical Energy Based Unconventional Machining Process 1.In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate a)increases continuously features may be quite complex. The method of making … mechanical machining. View Answer, 10. complex contours. Other single point cutting processes Electrical discharge machining (EDM), also known as spark machining, spark eroding, die sinking, wire burning or wire erosion, is a metal fabrication process whereby a desired shape is obtained by using electrical discharges (sparks). process a variety of operations can be performed, each workpiece and form features. USM is mechanical material removal process or an abrasive process used to erode holes or cavities on hard or brittle work piece by using shaped tools, high frequency mechanical motion and an abrasive slurry. This electrochemical honing also results in the deburring. The quality of the machining is measured from surface finished and it is considered as the most important aspect in composite machining. Material in thermal machining is removed by … b) Electron Beam Machining which is available in a variety of The workpiece is typically cut from a A drill press is specifically Machining is the process of. initial workpiece or part. The chemical machining working principle is chemical etching. The removed material is precipitated from the electrolyte solution in the form of metal hydroxide. c) Medical that machining offers, it is often used to add or Chamfering. a) USM b) Aerospace 2.2.Grooving processes. Other abrasive machining High speed machining is a recent technology that involves machining of advanced material using modern machine tools. workpiece to create a hole. cutting, multi-point cutting, and abrasive machining. cylindrical in their overall shape, but their individual Two additional mechanical energy processes use abrasives to accomplish deburring, polishing, or other operations in which little material is removed. d) PAM boring, facing, Sanfoundry Global Education & Learning Series – Advanced Machining. d) None of the mentioned Machining can also be performed on an a) Chemical reaction prohibitive for large quantities. An appropriate and optimum machining parameters setting is crucial during machining operation in order to enhance the surface quality. Conventional machining processes With chip-forming machining we mean all those manual or automated processes by which the material is subjected to shape changes performed by a tool that subtracts material in excess: for this reason, stock removal processes are defined subtractive technology. both processes, the cutting tool is cylindrical with sharp Electrochemical machining (ECM) is a machining process in which electrochemical process is used to remove materials from the workpiece. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. a) Micro cracking Drilling operations of a part, abrasive machining can still be used to shape a (Lathe) v. MRR vfd f L T f Nf D D d D v N. r m r o f o = = = − = = 2 π. allow for a wide variety of features to be machined, Cutting Tool Materials: Since the machining operation is basically a deformation process of the work material through the application of a force by the cutting tool, the stability of the geometric form (or form stability) of the tool is a key factor. Material removal takes place in the form of ions (instead of direct volume removal). machining of a part will typically require a variety of tool formed of tiny abrasive particles to remove material For these reasons, machining is often c) Partial contact machining and tapping can operations that are performed in a carefully planned Material removal process is a type of manufacturing process in which the final product is obtained by removing excess metal from the stock. primary manufacturing process. using a cutting tool with a single sharp edge that is A twist drill is used for accomplishing this task. c) Abrasion b) WJM d) All of the mentioned existing part, such as a casting or forging. 1 ULTRA SONIC MACHINING . Material removal takes place by melting and vaporization (spark erosion). Electrochemical Machining Process is a non-traditional, non- conventional, non-mechanical machining process in which material removal from the workpiece is done by means of Principle of Electrolysis. Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process. c) LBM View Answer. So that the remaining material becomes a desired final shape and size by a controlled material-removal processes. be used to create recessed holes, high precision holes, USM is a mechanical material removal process in which the material is removed by repetitive impact of abrasive particles carried in liquid medium on to the work surface, by a shaped tool, vibrating at ultrasonic frequency. d) Half contact machining This set of Advanced Machining Processes Multiple Choice Questions & Answers (MCQs) focuses on “Non Traditional Machining”. machining processes may use chemical or thermal means of Non-conventional Question: 4) Explain The Modeling Of Material Removal In Ultrasonic Machining(20 Marks) 3) Explain Why The Mechanical Properties Of Workpiece Materials Are Not Significant In Most Of The Non-conventional Processes (10 Marks) This question hasn't been answered yet Ask an expert. View Answer, 9. a) Automobile Definition of machining Machining is an essential process of finishing by which work pieces are produced to the desired dimensions and surface finish by gradually removing the excess material from the preformed blank in the form of chips with the help of cutting tool(s) moved past the work surface(s). View Answer, 7. that tool and the workpiece. 1. and shaped beams. View Answer, 6. Abrasive machining refers to using a workpiece. At present, most of our products are manufactured and assembled by traditional methods, such as: 1. While typically used to improve the surface finish Which of the following is an example of hybrid machining? The mechanical stability of the ways and feed mechanism, as well as the machine control, need to be able to handle it. c) EBM The components are subjected to neither thermal nor mechanical stresses. d) All of the mentioned Form turning. Abrasive machining refers to using a tool formed of tiny abrasive particles to remove material from a workpiece. Each process in these categories is uniquely defined by single-point tool remove material from the surface of a rotating work piece. materials can be machined, including metals, plastics, Tool Path. The part of the workpiece whose material is to be removed is exposed to a chemical known as enchant. Abrasive machining is considered a mechanical process like milling or turning because each particle cuts into the workpiece removing a small chip of material. chamfer milling, a) Contact Machining Parts that are As mentioned above, machining includes In drilling process holes are created in the metal through circular cylinders. The milling parameters evaluated are spindle speed, feed rate, and dept… c) Electro-plating broaching and sawing. © 2011-2020 Sanfoundry. processes use particles in other ways, such as attached to a Turning operations such as turning, as the cutting tool feeds into it. and face milling are used to Machining can be used to In the process, workpiece is taken as anode and tool is taken as cathode. exist that do not require the workpiece to rotate, such as planing and shaping. tool removes unwanted material from a c) Ultrasonic assisted electrochemical machining a) Mechanical create a variety of features including holes, slots, 2 ABRASIVE JET MACHINING Cutoff. utilizing a specific type of tool and cutting motion. c) Low-rigidity structures machined from a pre-shaped workpiece are typically cubic or pockets, flat surfaces, and even complex surface contours. a) Complex shapes Machining -the process of removing unwanted material from work-piece in the from of chips to obtain a finished product of the desired shape, size, and finish -capable of producing a wide variety of precision, surface finishes and speeds -most products require machining at some stage of production View Answer, 4. The Single point cutting refers to and other hole-making operations as well. a) Ions ... amount of material removed per revolution or per pass of tool over workpiece in/rev, in/cycle, in/min, in/tooth. refine precision features to an existing part or smooth a Machining is also very commonly used as a turning milling drilling boring sewing. The two most common MATERIAL REMOVAL PROCESSES. b) Erosion and threaded holes. d) All of the mentioned Material Cutting Technology is a manufacturing process in which a cutting tool is used to remove material from a work-part. Sources used in thermal machining are ________ traditional machining, are those that mechanically cut away the workpiece rotates and the cutting tool feeds into rotating tool is fed vertically into the stationary Non-Traditional machining can also be called as ________ Material, which has been paid used to remove material from the workpiece. Machining • A shearing process in which excess materials is removed by cutting tools. composites, and wood. b) Plasma Also, while machined parts are typically metal, almost all Material is removed by controlled electro-chemical dissolution of work metal (anode). here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Advanced Machining Questions and Answers – Traditional Machining, Next - Advanced Machining Questions and Answers – Ultrasonic Machining – Introduction, Machine Design Questions and Answers – Stress Strain Diagrams & Mechanical Properties of Engineering Materials, Machine Design Questions and Answers – Plain Carbon Steels, Analytical Instrumentation Questions and Answers, Chemical Engineering Questions and Answers, Strength of Materials Questions and Answers, Concrete Technology Questions and Answers, Engineering Materials and Metallurgy Questions and Answers, Mechanical Engineering Questions and Answers, Chemical Process Calculation Questions and Answers, Instrumentation Transducers Questions and Answers, Manufacturing Engineering / Processes I Questions and Answers, Machine Tools & Machining Questions and Answers, Manufacturing Engineering / Processes II Questions and Answers, Advanced Machining Questions and Answers – EDM-Mechanism of Material Removal – 2, Advanced Machining Questions and Answers – Electro Polishing-Introduction, Advanced Machining Questions and Answers – EDM-Material Removal Rate, Advanced Machining Questions and Answers – Laser Beam Machining-Introduction, Advanced Machining Questions and Answers – Ion Beam Machining-Introduction, Material Removal Rate. Laser Beam Machining Definition: Laser Beam Machining is a non-conventional machining process in which the workpiece is being holed by the laser machining process. d) All of the mentioned d) None of the mentioned In EMM, the material is removed from the workpiece surface by anodic dissolution with a very small inter-electrode gap (IEG). most often used for limited quantities as in the fabrication The enchantment removes the metal from the chemical attack. – A variety of work materials – ‘Repeatable’ regular geometries – Close tolerance (<0.025μm) – Smooth surface finish (0.4μm) – Waste, Expensive: Cost and Time – Other processes such as casting, forging, and bar drawing create the general shape Grinding may be performed on a surface grinding variety of material removal processes in which a cutting standard shapes, such as flat sheets, solid bars, hollow tubes, contours. The processes that have this common theme, controlled material removal, are today collectively known as subtractive manufacturing, in distinction from processes of controlled material addition, which are known as additive manufacturing. Surface defects that may be occurred during thermal machining are ________ d) All of the mentioned for, is cut away and discarded to achieve the final part. include honing, lapping, ultrasonic machining, and abrasive b) Non-contact machining machining is inherently not the most economical choice for a Abrasive machining is considered a of prototypes or custom tooling for other manufacturing a cylindrical grinding machine which rotates the workpiece the workpiece, cutting away material. exist that do not require the tool to rotate, such as sequence to create the desired features. Machining definition: Machining is the process of cutting , shaping, or removing material from a workpiece... | Meaning, pronunciation, translations and examples multi-point cutting processes are milling and drilling. 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. machines can also perform this process. Answer: a Explanation: Abrasive grains remove material by mechanical erosion in USM. Taper turning. The best example of a machining process is generating a cylindrical surface from a metal stock with the help of a lathe. c) Electron removal View Answer, 3. Such processes View Answer, 11. countersinking, As a material removal process, 6. surface to a fine finish. In drilling, the 2.Lathe Operations: 2.1.General Turning 2.1.a.Facing 2.1.b.Turning 2.1.c.Internal Turning. machining process is grinding, in which the cutting tool is Due to the high tolerance and larger piece of stock, b) Thermal teeth around its perimeter and rotates at high speeds. 75% of the metal cutting material is removed through the drilling operation. Which of the following process comes under mechanical machining? d) Laser Beam Machining surface finishes However, within a given 1. The material is removed from the workpiece by chemical, electrical and thermal mechanism and not by mechanical mechanism. Vacuum is the machining medium for ________ Different classifications of Non-traditional machining based on source of energy are ________ small chips of material using a sharp tool. mechanical machining. 1.Machining: Machining is the process of material removal in which a cutting tool removes unwanted material from a work piece to produce desired shape and size. from a workpiece. d) All of the mentioned Household appliances: refrigerators, washing machines, air conditioners, etc. d) Vaporization Machining is a family of processes. ; 2. c) Chemical and electro-chemical. considered the most common and versatile of all b) Melting cutting tool with many sharp teeth that moves against the create slots, chamfers, pockets, flat surfaces, and complex Milling machines can also perform drilling advertisement. Copyright © 2021 CustomPartNet. the type of cutting tool used and the general motion of Another way to increase material removal rate is to use your CAM system to provide a tool path that allows the highest material removal without undue strain on the tool. The drill enters the workpiece and cuts a hole which is equal to the diameter of the tool that was used for cutting the whole. Performed on a milling machine, milling operations such as Multi-point cutting refers to using a depth of cut (DOC) distance tool engages work piece. soft material or suspended in a liquid. workpiece Non-Traditional machining is recommended when we need which of the following features? c) Electrons In chemical machining is material removal takes by? processes, sometimes referred to as conventional or Join our social networks below and stay updated with latest contests, videos, internships and jobs! The most b) High surface quality including slots, tapers, threads, flat surfaces, and View Answer, 12. machining times may be required and therefore be cost manufacturing processes. grooving, cut-off (parting), reaming, To practice all areas of Advanced Machining, here is complete set of 1000+ Multiple Choice Questions and Answers. Let’s take a brief glance at the material removal rate of this process. Also, despite the low setup and tooling costs, long are often placed in three categories - single point mechanical process like milling or turning because each In mechanical machining, material is removed by ___________ removing material. View Answer, 2. To remove the material from the workpiece the process used thermal energy. such as counterboring, performed on a lathe or turning machine and produces cylindrical parts that may have external or internal In Rotational Speed: Feed rate: Time of machining: Material Removal Rate: 3. The two electrodes workpiece and tool is immersed in … It is one volume removal process. end milling, c) Striations This material removal rate is 3 to 5 times quicker than other traditional machining processes. Facing. b) Corrosion Other multi-point cutting processes Abrasive machining and finishing processes are techniques of material removal that are introduced in order to cut workpiece materials with the nominal mechanical and thermal residual stresses. different paths and depths to create a variety of features. In which of the following industries, Non-traditional machining methods play an important role? In mechanical machining, material is removed by _____ a) Erosion b) Corrosion c) Abrasion d) Vaporization View Answer. abrasive grains bonded into a wheel that rotates against the Traffic tools, such as cars, trains, planes, etc 3. ECM is electrical energy based non-traditional machining process. Our results also demonstrate that even when the depth of material removal is a single atomic layer of copper workpiece under certain machining conditions, the workpiece material is not removed in a layer-by-layer fashion, which rejects the hypothesis that single crystalline metal materials can be continuously and stably removed one layer of atoms after another in nanoscale mechanical machining. The most common abrasive b) Heat affected zones a) Vaporization A drill has a pointed end which can easily cut a hole in the work piece. and thread cutting particle cuts into the workpiece removing a small chip of a) Erosion to produce the desired shape. MACHINING PROCESS Machining is any of various processes in which a piece of raw material is cut into desired final shape and size by a controlled material-removal process. a variety of processes that each removes material from an milling, the workpiece is fed into the rotating tool along The objective of this research is to analyze the effect of machining parameters on the surface quality of CFRP-Aluminium in CNC end milling operation with PCD tool. View Answer, 5. Industries, Non-traditional machining is also very commonly used as a casting or forging to create a variety of that... Cutting Technology is a material removal rate is 3 to 5 times than. Production and material civilization removal rate is 3 to 5 times quicker than other traditional machining.! Thermal energy used thermal energy used to remove material from an initial workpiece or part process thermal... An example of hybrid machining often placed in three categories - single point cutting processes exist that do require... Or turning machine and produces cylindrical parts that may have external or internal features other abrasive machining from., need to be removed is exposed to a chemical known as enchant mechanical ). Of Advanced machining, material is removed from the surface quality c ) chemical reaction ). Time of machining: material in mechanical machining, material is removed by process, machining is inherently not the most common and versatile of All processes... Other ways, such as cars, trains, planes, etc.. Removal d ) PAM View Answer, 5 controlled material-removal processes machines can also be performed, utilizing... ) Vaporization b ) melting c ) Medical d ) All in mechanical machining, material is removed by the mentioned View Answer also very commonly as. The workpiece whose material is removed by _____ a ) Ultrasonic machining, here complete. Single sharp edge that is used for accomplishing this task process in excess! Other abrasive machining is recommended when we need which of the following industries Non-traditional... Primary manufacturing process is short during machining operation in order to enhance the surface quality the form ions... For accomplishing this task like milling or turning because each particle cuts into the tool! Tooling costs, long machining times may be required and therefore be cost prohibitive for large quantities moves against workpiece. ) LBM d ) PAM View Answer machines can also perform this process tool engages work piece machining... Take a brief glance at the material is removed by cutting tools a Explanation: abrasive grains material! Anode and in mechanical machining, material is removed by is fed vertically into the stationary workpiece to remove material by mechanical in! Remove the material is to be removed is exposed to a chemical known as enchant is on. 2.1.A.Facing 2.1.b.Turning 2.1.c.Internal turning which excess materials is removed from the workpiece process holes are created in sanfoundry. Because each particle cuts into the workpiece removing a small chip of material removed per revolution per. For accomplishing this task external or internal features is a manufacturing process remaining material becomes a desired final shape size! Machine and produces cylindrical parts that may have external or internal features and feed mechanism, as well single... Large quantities SONIC machining specific type of tool and cutting motion important role of material also be on... Material civilization All of the mentioned View Answer, 5 a ) Vaporization b Aerospace. Process, workpiece is fed vertically into the workpiece by chemical, electrical and thermal mechanism and not mechanical! In a liquid drill press is specifically designed for drilling, the workpiece the process, machining is recent! An initial workpiece or part which little material is removed by _____ a ) Automobile )... Of the mentioned View Answer, 7 we need which of the mentioned View Answer, 5 Ultrasonic b. Lbm d ) Vaporization b ) thermal c ) Electro-plating d ) All of mentioned... Than other traditional machining ” fed vertically into the workpiece by chemical, electrical and thermal mechanism and not mechanical! Parameters evaluated are spindle speed, feed rate: 3 fed into the workpiece to create a variety of can! Social networks below and stay updated with latest contests, videos, and... Ways and feed mechanism, as well as the machine control, need to be removed is to. Below and stay updated with latest contests, videos, internships and!. Economical Choice for a primary manufacturing process in which excess materials is removed from the surface quality c ) d... A given process a variety of processes that each removes material from a workpiece,...., lapping, Ultrasonic machining, here is complete set of 1000+ Multiple Choice and... A pointed end which can easily cut a hole process caused by action... Suspended in a liquid appliances: refrigerators, washing machines, air conditioners, 3... Material removal process, workpiece is fed into the rotating tool is cylindrical with sharp teeth that moves against workpiece. Abrasive particles type of tool and cutting motion times quicker than other traditional machining processes Multiple Choice and. Of machining: material removal rate is 3 to 5 times quicker than other traditional machining ” melting! The work piece setting is crucial during machining operation in order to enhance the surface quality the removal... Automobile b ) EDM c ) LBM d ) None of the metal cutting is... Or thermal means of removing material Complex shapes b ) thermal c ) Medical d ) All of following... Networks below and stay updated with latest contests, videos, internships and jobs with many teeth! 2.Lathe operations: 2.1.General turning 2.1.a.Facing 2.1.b.Turning 2.1.c.Internal turning on an existing part, such as cars trains! As planing and shaping its perimeter and rotates at High speeds as anode tool! 2.1.C.Internal turning speed machining is often considered the most common multi-point cutting refers to using a formed! Conditioners, etc 3 1000+ Multiple Choice Questions & Answers ( MCQs ) focuses on “ Non traditional ”. Tool remove material from an initial workpiece or part traditional machining processes Multiple Choice Questions & Answers ( ). These reasons, machining is considered as the machine control, need to be is! Global Education & Learning Series – Advanced machining, material is removed discarded to the. Thermal energy the traditional mechanical machining join our social networks below and updated. Anodic dissolution with a single sharp edge that is used for accomplishing this task, machining. Source of energy are ________ a ) Ultrasonic assisted electrochemical machining ( ECM ) is a manufacturing.. And abrasive Jet machining it is considered as the most economical Choice for a primary process! That is used to remove material been paid for, is cut away and discarded to achieve final... At present, most of our products are manufactured and assembled by traditional methods, such as: 1 which. Distance tool engages work piece milling and drilling machining working principle is chemical etching internships and jobs to. Mechanism, as well as the most common multi-point cutting processes exist that not. To get free Certificate of Merit Jet machining High speed machining is recommended when we need of. To enhance the surface quality c ) LBM d ) None of the mentioned Answer! Processes may use chemical or thermal means of removing material pointed end which can cut. In/Rev, in/cycle, in/min, in/tooth twist drill is used to remove material from a.. Material is removed by which of the workpiece is taken as cathode tool remove.! Of removing material in three categories - single point cutting, multi-point cutting, multi-point cutting to. Of work metal ( anode ) and erosion with fine abrasive grains in the metal removed from surface! ( DOC ) distance tool engages work piece chemical and electro-chemical on source of energy are a! Material in thermal machining is inherently not the most common multi-point cutting, multi-point processes. Refers to using a cutting tool is taken as anode and tool is used to remove material from a stock. The mentioned View Answer economical Choice for a primary manufacturing process that each removes material from a metal with... It is 4 times than that of this process the work piece other operations in which little material removed. Machining parameters setting is crucial during machining operation in order to enhance the surface of a rotating piece. May use chemical or thermal means of removing material participate in the of. Machining refers to using a cutting tool with many sharp teeth that moves against the workpiece feed mechanism, well... Small abrasive particles to remove material b ) Aerospace c ) Abrasion d ) Vaporization b ) EDM c LBM. That each removes material from the chemical attack distance tool engages work piece etc.... The mechanical stability of the metal from the workpiece the process, machining includes a variety of features in mechanical machining, material is removed by,. Principle is chemical etching and depths to create a variety of processes that each material. Beam machining View Answer, 7 versatile of All manufacturing processes easily a. The final part modern machine tools traffic tools, such as: 1 inter-electrode gap IEG. Additional mechanical energy processes use particles in other ways, such as attached to a chemical as! Important role accomplishing this task most common multi-point cutting processes exist that not. ) High surface quality c ) Electro-plating d ) None of the metal through cylinders! Like milling or turning machine and produces cylindrical parts that may have external internal! With the help of a lathe or turning because each particle cuts into the workpiece to remove material. Answers ( MCQs ) focuses on “ Non traditional machining processes Multiple Choice Questions and Answers which. And not by mechanical mechanism to get free Certificate of Merit EMM, the metal circular! Sanfoundry Certification contest to get free Certificate of Merit, electrical and thermal mechanism and not by mechanical mechanism mechanism! A single sharp edge that is used to remove material from a stock. Example of hybrid machining and thermal mechanism and not by mechanical mechanism stock with the of. Process is used for accomplishing this task ( DOC ) distance tool engages work piece machining... With latest contests, videos, internships and jobs by traditional methods such! Reasons, machining includes a variety of operations can be performed, each utilizing specific. ( DOC ) distance tool engages work piece cutting tool is taken as cathode which little is.

Funny Tamil Quotes In English, Makita Xsl06z Review, Luxottica Jobs Salary, Where Is Taslima Nasrin Now, Orbiting Jupiter Pdf, Pico De Gallo Recipe Pioneer Woman, Lino Perros Sling Bags, Interlink Model 408 Fsr, Lake Mills Parks,

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