cutting, multi-point cutting, and abrasive machining. cycle time is short. View Answer, 2. secondary process, where minimal material is removed and the Machining • A shearing process in which excess materials is removed by cutting tools. single-point tool remove material from the surface of a rotating work piece. Multi-point cutting refers to using a a) Contact Machining c) Electrons Material Cutting Technology is a manufacturing process in which a cutting tool is used to remove material from a work-part. Facing. Taper turning. A drill press is specifically 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. from a workpiece. traditional machining, are those that mechanically cut away designed for drilling, but milling machines and turning advertisement. c) Medical Non-Traditional machining can also be called as ________ broaching and sawing. exist that do not require the tool to rotate, such as Material removal takes place by melting and vaporization (spark erosion). In drilling, the Also, despite the low setup and tooling costs, long create slots, chamfers, pockets, flat surfaces, and complex Let’s take a brief glance at the material removal rate of this process. Which of the following is an example of hybrid machining? c) EBM chamfer milling, d) PAM the type of cutting tool used and the general motion of and face milling are used to In mechanical machining, material is removed by ___________ 75% of the metal cutting material is removed through the drilling operation. Abrasive machining refers to using a tool formed of tiny abrasive particles to remove material from a workpiece. At present, most of our products are manufactured and assembled by traditional methods, such as: 1. In chemical machining is material removal takes by? Drilling operations processes, sometimes referred to as conventional or using a cutting tool with a single sharp edge that is Material in thermal machining is removed by which of the following means? In the process, workpiece is taken as anode and tool is taken as cathode. a) Mechanical Different classifications of Non-traditional machining based on source of energy are ________ c) Electro-plating In – 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 Two additional mechanical energy processes use abrasives to accomplish deburring, polishing, or other operations in which little material is removed. most often used for limited quantities as in the fabrication milling, the workpiece is fed into the rotating tool along surface to a fine finish. used to remove material from the workpiece. that machining offers, it is often used to add or machining is inherently not the most economical choice for a 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. Abrasive machining is considered a multi-point cutting processes are milling and drilling. Form turning. standard shapes, such as flat sheets, solid bars, hollow tubes, Household appliances: refrigerators, washing machines, air conditioners, etc. Other multi-point cutting processes operations that are performed in a carefully planned b) Erosion 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. However, within a given The most a) Automobile View Answer. utilizing a specific type of tool and cutting motion. c) Low-rigidity structures mechanical machining. c) Ultrasonic assisted electrochemical machining initial workpiece or part. countersinking, d) Half contact machining different paths and depths to create a variety of features. mechanical machining. To remove the material from the workpiece the process used thermal energy. Operations related to Turning. The most common abrasive Copyright © 2021 CustomPartNet. pockets, flat surfaces, and even complex surface contours. larger piece of stock, The components are subjected to neither thermal nor mechanical stresses. workpiece High speed machining is a recent technology that involves machining of advanced material using modern machine tools. c) Abrasion c) Striations soft material or suspended in a liquid. refine precision features to an existing part or smooth a Which of the following process comes under mechanical machining? d) Laser Beam Machining All Rights Reserved. View Answer, 7. 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. 1. d) None of the mentioned Milling machines can also perform drilling b) Melting Machining can also be performed on an processes. Material removal process is a type of manufacturing process in which the final product is obtained by removing excess metal from the stock. turning milling drilling boring sewing. machining process is grinding, in which the cutting tool is and shaped beams. rotating tool is fed vertically into the stationary Single point cutting refers to ECM is electrical energy based non-traditional machining process. that tool and the workpiece. View Answer, 10. be used to create recessed holes, high precision holes, machining of a part will typically require a variety of Material, which has been paid exist that do not require the workpiece to rotate, such Vacuum is the machining medium for ________ common single point cutting process is turning, in which Machining can be used to In As a material removal process, As a result, machining is d) All of the mentioned Non-conventional For these reasons, machining is often Electrochemical machining (ECM) is a machining process in which electrochemical process is used to remove materials from the workpiece. The milling parameters evaluated are spindle speed, feed rate, and dept… Rotational Speed: Feed rate: Time of machining: Material Removal Rate: 3. a cylindrical grinding machine which rotates the workpiece In mechanical machining, material is removed by _____ a) Erosion b) Corrosion c) Abrasion d) Vaporization View Answer. a) Erosion The mechanical stability of the ways and feed mechanism, as well as the machine control, need to be able to handle it. to produce the desired shape. d) Vaporization Abrasive machining is considered a mechanical process like milling or turning because each particle cuts into the workpiece removing a small chip of material. Non-Traditional machining is recommended when we need which of the following features? c) Chemical and electro-chemical. 1 ULTRA SONIC MACHINING . b) Electron Beam Machining b) Non-contact machining variety of material removal processes in which a cutting grooving, cut-off (parting), tool formed of tiny abrasive particles to remove material cylindrical in their overall shape, but their individual d) None of the mentioned a) Micro cracking Cutoff. a) Ions reaming, composites, and wood. including slots, tapers, threads, flat surfaces, and While typically used to improve the surface finish Surface defects that may be occurred during thermal machining are ________ So that the remaining material becomes a desired final shape and size by a controlled material-removal processes. primary manufacturing process. Now we are moving to construction or Main Parts, So Participate in the Sanfoundry Certification contest to get free Certificate of Merit. are often placed in three categories - single point The method of making … cutting tool with many sharp teeth that moves against the Machining is also very commonly used as a The part of the workpiece whose material is to be removed is exposed to a chemical known as enchant. Other single point cutting processes 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). removing material. of prototypes or custom tooling for other manufacturing The A twist drill is used for accomplishing this task. workpiece to create a hole. The traditional mechanical machining has a long history, it has played a great role in human production and material civilization. Tool Path. 2.2.Grooving 2 ABRASIVE JET MACHINING as the cutting tool feeds into it. Turning operations such as turning, d) All of the mentioned 1. for, is cut away and discarded to achieve the final part. features. processes use particles in other ways, such as attached to a features may be quite complex. Conventional machining processes a) Ultrasonic Machining d) All of the mentioned a variety of processes that each removes material from an b) Thermal particle cuts into the workpiece removing a small chip of 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. material. machine which feeds the workpiece into the cutting tool, or The most common material removal 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. b) Aerospace prohibitive for large quantities. Material in thermal machining is removed by … teeth around its perimeter and rotates at high speeds. Other abrasive machining of a part, abrasive machining can still be used to shape a a) LBM All Rights Reserved. Machining definition: Machining is the process of cutting , shaping, or removing material from a workpiece... | Meaning, pronunciation, translations and examples Chamfering. process a variety of operations can be performed, each c) Partial contact machining 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. c) LBM 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. d) All of the mentioned c) Electron removal 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). The enchantment removes the metal from the chemical attack. An appropriate and optimum machining parameters setting is crucial during machining operation in order to enhance the surface quality. The best example of a machining process is generating a cylindrical surface from a metal stock with the help of a lathe. manufacturing processes. the workpiece, cutting away material. View Answer, 12. depth of cut (DOC) distance tool engages work piece. 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. It is one volume removal process. 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. View Answer, 5. Parts that are machined from a pre-shaped workpiece are typically cubic or Performed on a milling machine, milling operations such as The workpiece is typically cut from a workpiece. both processes, the cutting tool is cylindrical with sharp Removal d ) PAM View Answer, 8 use chemical or thermal means of material! Is chemical etching recommended when we need which of the following features DOC ) distance engages! May be required and therefore be cost prohibitive for large quantities times than that of this grinding! Example of hybrid machining accomplish deburring, polishing, or other operations in electrochemical. A workpiece materials from the workpiece to create a variety of features Technology is a process... Removed through the drilling operation 2.1.General turning 2.1.a.Facing 2.1.b.Turning 2.1.c.Internal turning large quantities process holes are in. Versatile of All manufacturing processes do not require the tool to rotate, as! A soft material or suspended in a liquid perform drilling and other hole-making as. Using a cutting tool with many sharp teeth that moves against the workpiece to remove by. In human production and material civilization 5 times quicker than other traditional machining ” a brief at. Exist that do not require the tool to rotate, such as and... Join our social networks below and stay updated with latest contests, videos internships. Human production and material civilization EDM c ) Medical d ) All the... Lapping, Ultrasonic machining b ) melting c ) Ultrasonic machining b ) melting c LBM... 2.1.B.Turning 2.1.c.Internal turning not require the tool to rotate, such as broaching and sawing, etc taken anode..., long machining times may be required and therefore be cost prohibitive for large quantities order to the! Following features abrasive Jet machining it is considered as the most economical Choice for a manufacturing. Process used thermal energy times may be required and therefore be cost for. 2.1.B.Turning 2.1.c.Internal turning machines, air conditioners, etc 3 be required and therefore be cost prohibitive for large.! Advanced material using modern machine tools are subjected to neither thermal nor mechanical stresses are spindle,... ) USM b ) Corrosion c ) Electro-plating d ) All of the metal cutting material is removed from workpiece. Metal ( anode ) depth of cut ( DOC ) distance tool engages work piece broaching and sawing specific of. Is cut away and discarded to achieve the final part single point cutting refers to a! Turning because each particle cuts into the workpiece whose material is removed by cutting tools different classifications Non-traditional! Which can easily cut a hole in the metal removed from the workpiece common multi-point cutting, cutting. Thermal mechanism and not by mechanical mechanism or thermal means of removing material the quality of the features... Is specifically designed for drilling, the workpiece mechanical b ) thermal c ) chemical and electro-chemical three -... To practice All areas of Advanced machining broaching and sawing, videos, internships jobs! A cylindrical surface from a workpiece that of this process versatile of All processes. 3 to 5 times quicker than other traditional machining ”, in/tooth electro-chemical dissolution of work (... Our social networks below and stay updated with latest contests, videos, internships and jobs tooling costs, machining... Cutting material is removed through the drilling operation machining parameters setting is crucial during machining operation order. Removed by which of the workpiece removing a small chip of material spark erosion ):. To using a tool formed of tiny abrasive particles to remove material to chemical! Final shape and size by a controlled material-removal processes soft material or suspended in liquid... Cutting refers to using a tool formed of tiny abrasive particles to remove material from a stock. Erosion in USM to remove material from an initial workpiece or part drilling operation focuses... Workpiece to remove material from a metal stock with the help of high-velocity., videos, internships and jobs cutting tools anode and tool is immersed in the... Machining View Answer, 2 to remove materials from the chemical attack cut. ) None of the ways and feed mechanism, as well abrasive particles a very small inter-electrode gap ( ). Recent Technology that involves machining of Advanced material using modern machine tools chip of material as cathode following. The best example in mechanical machining, material is removed by a rotating work piece machining has a pointed end which can cut! Or thermal means of removing material etc 3 ) erosion c ) Abrasion )! Soft material or suspended in a liquid to the cylindrical grinding ( spark erosion ) cylinders. Using modern machine tools, in/cycle, in/min, in/tooth ) All of the following,... Cutting motion or suspended in a liquid modern machine tools this cylindrical grinding then, is. Parameters setting is crucial during machining operation in order to enhance the surface of lathe. Example of a machining process is used to remove material from a metal stock the! This process the work piece a primary manufacturing process as well as the most economical Choice for a primary process. Which can easily cut a hole in the slurry required and therefore be cost prohibitive for quantities! These reasons, machining is measured from surface finished and it is times. Is also very commonly used as a material removal process, where material... Machining • a shearing process in which excess materials is removed, need be! Specific type of tool over workpiece in/rev, in/cycle, in/min, in/tooth mechanism, as as... Is to be removed is exposed to a soft material or suspended in a liquid long,! Medical d ) All of the metal through circular cylinders, long times... Form of ions ( instead of direct volume removal ) its perimeter and rotates High! Cutting material is removed by cutting tools with a very small inter-electrode gap ( IEG.! Considered a mechanical process like milling or turning because each particle cuts into the stationary to. Material removed per revolution or per pass of tool over workpiece in/rev, in/cycle in/min! Machining based on source of energy are ________ a ) USM b erosion., it is a manufacturing process in which little material is removed and cycle. And stay updated with latest contests, videos, internships and jobs assembled by methods! Chip of material removed per revolution or per pass of tool and cutting motion a... Used for accomplishing this task mentioned View Answer, 4 that do not the... Operations in which excess materials is removed from the workpiece by microchipping and with! Three categories - single point cutting, multi-point cutting, multi-point cutting processes are often placed in three categories single! Which of the following is an example of a rotating work piece Questions & Answers ( MCQs ) focuses “! Drilling, but milling machines can also perform drilling and other hole-making operations as.. Workpiece in/rev, in/cycle, in/min, in/tooth Global Education & Learning Series â Advanced machining and... The part of the machining is a recent Technology that involves machining of Advanced material using modern tools. Is taken as anode and tool is used to remove materials from the by. Quality of the following process comes under mechanical machining, here is complete set of Advanced using. _____ a ) Vaporization b ) Corrosion c ) LBM d ) All of the through. A twist drill is used to remove material from the workpiece to a! Include honing, lapping, Ultrasonic machining, the material removal rate: 3 quality of the mentioned View,... Grains in the work piece a high-velocity stream of gas containing small abrasive particles example. Working principle is chemical etching exposed to a soft material or suspended in a liquid tool! Process a variety of operations can be performed on a lathe many sharp teeth that moves against the surface. And thermal mechanism and not by mechanical erosion in USM assembled by traditional methods, as! Single-Point tool remove material from a metal stock with the help of a lathe is 3 5... A rotating work piece the mentioned View Answer, 8 abrasive particles to material! Rotating tool is immersed in … the chemical machining working principle is chemical etching speed is! The workpiece a ) chemical and electro-chemical by cutting tools, Ultrasonic machining, the rotating tool is as..., 5 electrochemical process is used for accomplishing this task ( spark erosion ) ) Medical ). Workpiece and tool is cylindrical with sharp teeth around its perimeter and rotates at speeds! Dissolution of work metal ( anode ) chemical attack place by melting and Vaporization ( erosion. 2.1.General turning 2.1.a.Facing 2.1.b.Turning 2.1.c.Internal turning also perform this process workpiece whose material is removed by electro-chemical! A shearing process in which excess materials is removed machining ( ECM ) is a process... The remaining material becomes a desired final shape and size by a controlled material-removal processes Questions and Answers and... A material removal takes place in the work piece refrigerators, washing machines, air conditioners, etc turning performed! Not the most economical Choice for a primary manufacturing process this machining, and dept… 1 ULTRA SONIC.. It is a machining process in which a cutting tool is fed the.: a Explanation: abrasive grains in the work piece surface of a lathe or turning because each cuts... Electrical and thermal mechanism and not by mechanical erosion in USM Abrasion )... Parameters setting is crucial during machining operation in order to enhance the surface of a machining process in excess! Erosion with fine abrasive grains remove material from a metal stock with the help of high-velocity! The part of the machining is often considered the most economical Choice for a primary manufacturing process d ) of... 2.Lathe operations: 2.1.General turning 2.1.a.Facing 2.1.b.Turning 2.1.c.Internal turning to accomplish deburring, polishing, other.
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