Sk mondal sir is the famous faculty of mechanical engineering. Sep 10, 2017 this lecture describes the mechanism of metals cutting using single point cutting tool. Mechanics of metal cutting feed force main cutting force radial force. The most common cutting operations are turning, milling, and drilling followed by special operations such as boring, broaching, hobing, shaping, and form cutting. Introduction of machining or metal cutting lecture 17. Scribd is the worlds largest social reading and publishing site. Geoffrey boothroyd in the more than 15 years since the second edition of fundamentals of machining and machine tools was published, the industry. Pdf metal cutting theory and application researchgate. Idealized chip formation built up edge calculating speeds and feeds idealized chip formation the figure below depicts an idealized, two dimensional view of the metal cutting process. This stress is maximum along the plane is called shear plane. Apr 03, 2019 pdf metal cutting, metal forming, metrology book sk mondal sir download the metal cutting, metal forming, metrology book by sk mondal sir. Mechanics of metal cutting machining physical quantities. Pdf this chapter presents a short analysis of the basics of traditional metal cutting mechanics, outlining its components and the basics of finite. The author distinguishes his work from other works.
Mrr, tool wear physics of cutting mechanics force, power tool materials design for manufacturing 2. The various types of cutting tool materials are used in tools for remove metal from workpiece. This lecture describes the mechanism of metals cutting using single point cutting tool. Kim 3 orthogonal cutting in a lathe rake angle shear angle t o.
Latest sk mondal sir 2021 notes gateesepsuirms free. However, all metal cutting operations share the same principles of mechanics, but their geometry and kinematics may differ from each other. Therefore, it leads to more simple mathematical analysis orthogonal cutting. Machining material removal by a sharp cutting tool, e. Pdf metal cutting mechanics, finite element modelling.
Assumptions orthogonal cutting model the cutting edge is a straight line extending perpendicular. Forces in metal cutting equations can be derived to relate the forces that. Mechanics of metal cutting chapter 2 manufacturing. For a given tool rake angle and depth of cut t the geometry of fig. The sawtooth chip was the last of the major types to be identified. The work piece is securely clamped in a machine tool vice or clamps or chuck or collet. This new edition treats the scientific principles of metal cutting and their practical application to manufacturing problems. The analytical models are based upon the theory of mechanics of cutting.
Nov 14, 2018 prebook pen drive and g drive at teacademy. Cutting edge is inclined at an acute angle to tool feed. The technology of metal cutting has advanced considerably along with new materials, computers, and sensors. The author distinguishes his work from other works through these aspects. Metal cutting is a widely used method of producing manufactured products. Jan 02, 2012 mechanics of metal cutting slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Download fundamentals of metal machining and machine tools by winston a. This process is most important since almost all the products get their final shape and size by metal removal, either directly or indirectly.
Metal cutting mechanics, machine tool vibrations, and cnc design altintas, yusuf on. Viktor p astakhov metal cutting mechanics outlines the fundamentals of metal cutting analysis, reducing the extent of empirical approaches to the problems as well as bridging the gap between design and manufacture. Metal cutting mechanics outlines the fundamentals of metal cutting analysis, reducing the extent of empirical approaches to the problems as well as bridging the gap between design and manufacture. These are the latest notes by sk mondal sir, now sk mondal sir is a famous name and revising all material yearly.
This chapter presents a short analysis of the basics of traditional metal cutting mechanics, outlining its components and the basics of finite element modelling fem of the metal cutting process. International journal of machine tool design and research. You all must have this kind of questions in your mind. Metal cutting is the process of removing unwanted material from the workpiece in the form of chips. Metal cutting mechanics, finite element modelling springerlink. Hey readers, this is saswata again came with a new article named cutting fluid, in this article, i will discuss the properties, purposes, types, and applications of a coolant or cutting fluid. Mechanics of metal cutting free download as powerpoint presentation. Actually, the metal is forced off the work piece by being compressed, shearing off, and sliding along the face of the cutting tool. Thus the metal gets compressed very severely, causing shear stress. An exploratory analysis into the dynamic behavior of the cutting process revealed such dynamic properties as a loop response of the cutting forces caused by the waviness of the work surface. Theory of metal machining overview of machining technology.
Theory of metal machining overview of machining technology theory of chip formation in metal machining force relationships and the merchant equation power and energy relationships in machining cutting temperature. Pdf introduction to metal cutting ijsrd international journal for. Based on a previously proposed definition of metal cutting, advanced metal cutting mechanics considers the power spent in metal cutting as the summation of four components. This new edition considers the scientific principles of metal cutting and their practical application to manufacturing problems.
It begins with metal cutting mechanics, principles of vibration and experimental modal analysis applied to solving shop floor problems. Aug 22, 2014 manufacturing technology theory of metal cutting metal cutting or machining is the process of producing a work piece by removing unwanted material from a block of metal, in the form of chips. Abstract an analysis of the chip geometry and the force system found in the case of orthogonal cutting accompanied by a type 2 chip has yielded a collection of useful equations which make possible the study of actual machining operations in terms of basic mechanical quantities. This causes high temperature shear, and plastic flow if the metal is ductile. Mechanics of metal cutting annealing metallurgy heat. Mechanics of sawtooth chip formation in metal cutting. Advertisements where to find s k mondal notes for mechanical engineering. Shear strength of metal along shear plane is not affected by normal stress. Pdf metal cutting, metal forming, metrology book sk mondal.
Generally, the tool must be harder than the work material. Kim 2 cutting processes objectives product quality. This chapter presents a short analysis of the basics of traditional metal cutting mechanics, outlining its components and the basics of finite element modelling fem of. Metal cutting mechanics, machine tool vibrations, and cnc design metal cutting is a widely used method of producing manufactured products.
Mechanics of metal cutting chapter 2 manufacturing automation. Metal cutting is the process of removing unwanted material in the form of chips, from a block of metal. This occurred in 1954 during machining studies of titanium alloys which were then being considered for aerospace applications because of their large strengthtoweight ratio and corrosion resistance. Topics to be covered inroduction to machining technology. Most metal cutting is done by high speed steel tools or carbide tools. Mechanics of chip formation a basic mechanism of chip.
Pdf fundamentals of metal machining and machine tools by. In metal cutting, the tool does not slide through metal as a jack knife does through wood, not does the tool split the metal as an axe does a log. Oblique cutting orthogonal cutting mechanics of orthogonal metal cutting during metal cutting, the metal is severely compressed in the area in front of the cutting tool. If you continue browsing the site, you agree to the use of cookies on this website.
710 134 739 1048 510 380 375 236 532 1280 841 1149 83 1300 558 1304 1257 1419 785 1201 153 563 58 1025 274 229 326 767 1478 949 222 1168 761 564 1140 1519 1120 257 380 539 655 115 279