Theory of metal cutting the process of metal removal, a process in which a wedgeshaped tool engages a workpiece to remove a layer of material in the form of a chip, goes back many years. Clipping is a handy way to collect important slides you want to go back to later. How to select the proper cutting tool for lathe operations basic tutorial smithy granite 3in1 duration. Latest sk mondal sir 2021 notes gateesepsuirms free. Introduction of machining or metal cutting lecture 17. Metal cutting metal cutting or machining operation is to produce a desired shape, size and finish of a component by removing excess material in the form of chips. Now customize the name of a clipboard to store your clips. This process is most important since almost all the products get their final shape and size by metal removal, either directly or indirectly. Single, multipoint tool signature for single point cutting tool mechanics of orthogonal cutting.
Theory of metal cutting machining mechanical engineering. Movement of the tool relative to the material or vice versa, so as to make cutting action possible. The tool is strong enough to resist the cutting pressures. Machining processes are performed on metal cutting machines. 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. Orthogonal and oblique cutting classification of cutting tools. Thus the metal gets compressed very severely, causing shear stress. This stress is maximum along the plane is called shear plane. Chip formation tool will cut or shear off the metal, provided 1.
Tool is properly shaped so that its edge can be effective in cutting the metal 3. Material removal processes a family of shaping operations, the common feature of which is removal of material from a starting workpart so the remaining part. A room, building or company where machining is done is called a machine shop. Metal cutting is the process of removing unwanted material in the form of chips, from a block of metal, using cutting tool.
Theory of metal cutting, metal forming free ebook download as powerpoint presentation. Scribd is the worlds largest social reading and publishing site. These are the latest notes by sk mondal sir, now sk mondal sir is a famous name and revising all material yearly. A person who specializes in machining is called a machinist. Ppt fundamentals of metal cutting and machining processes.
If the material of the workpiece is ductile, the material flows plastically along the shear plane, forming chip, which flows upwards along the face of the tool. Tool is properly shaped so that its edge can be effective in cutting the metal. Chips may constitute more than 50% of initial work piece. The tool will cut or shear off the metal, provided. Theory of metal cutting principles of metal cutting, orthogonal and oblique cutting, merchant circle diagram, cutting forces, power requirements. Theory of metal cutting, metal forming forging sintering.
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