MACHINABILITY NPTEL PDF

Page 1. Module. 3. Machinability. Version 2 ME IIT, Kharagpur. Page 2. Lesson. Failure of cutting tools and tool life. Version 2 ME IIT, Kharagpur. Page 3. Recommended materials for machinability. Parts made from both ferrous and non -ferrous material can be machined. However, materials like plastics (with or. Page 1. Version 2 ME, IIT Kharagpur. Module. 3. Machinability. Page 2. Version 2 ME, IIT Kharagpur. Lesson. Cutting Tool Materials of common use. Page 3.

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Optics Glass production Machining. Diamond milling can be used to generate aspheric lens arrays by annulus cutting methods with a spherical diamond tool. Sign up for free.

Add as “Interested” to get notified of this course’s next session. KDP is water-soluble, so conventional grinding and polishing techniques are not effective in producing optics. Introduction to Manufacturing and Machining.

Manufacturing Processes II | NPTEL Online Videos, Courses – IIT Video Lectures

Please help improve this article by adding citations to reliable sources. Use of various Attachments in Machine Tools. First Name Last Name. Capstan and turret lathes, automats, broaching machines, centreless grinding machines. Taught by Mamilla Ravi Sankar. Carter wear, flank wear, nose wear, other tool wears, tool life criteria. This process comes under the subtractive manufacturing processes where in material is removed. Tool life improvement has been under consideration in diamond turning as the tool is expensive.

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Introduction to Numerical Control. By using this site, you agree to the Terms of Use and Privacy Policy. Grinding wheel specification, classification, Thermal aspects, Lapping, Honing, Super finishing, Drag finishing, vibratory finishing, Applications.

Tool Geometry, Tool signature. Standoff distance, angle of impingement, contact angle, area of cooling, Solid lubricants. The machined element is attached to an air chuck using negative air pressure and is usually centered manually using a micrometer. Despite all the automation involved in the diamond turning process, the human operator still plays the main role in achieving the final result. The process of diamond turning is widely used to manufacture high-quality aspheric optical elements from crystalsmetalsacrylicand other materials.

Principles, Systems and Applications. We have detected that JavaScript is disabled in your web browser.

Dynamometers for measuring cutting forces. Development of sustainable cutting fluids application techniques to improve the machining performance. Cutting fluids in grinding, honing, super-finishing. Basic principle, purpose and mahinability of grinding.

Diamond turning

The SPDT manufacturing process produces a relatively high percentage of defective parts, which must be discarded. Plastic optics are frequently molded using diamond turned mold inserts. Machining forces and Merchant? Get personalized course recommendations, track subjects nptrl courses with reminders, and more.

Manufacturing Processes – II NPTEL

Never miss a course! This article needs additional citations for verification. Cutting fluids for machining advanced materials, high speed npgel, hard machining. Special purpose machines for thread cutting and gear cutting hobbing and shaping. SpeedyCourse will work better if you enable JavaScript. Articles needing additional references from December All articles needing additional references All articles with unsourced statements Articles with unsourced statements from January Articles with unsourced statements from May Mechanics of Machining, tool geometry and materials, chip formation, tool temperature, tool wear, tool life, surface finish, machinability.

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Geometry of single point cutting tools. Basic working principle, configuration, specification and classification of machine tools. Diamond turning is a multi-stage process. Purposes of jigs and fixtures and their Design principles. Generation of surfaces by machining, basic operations on shaping, slotting and planning machines, lathe, drilling and boring machines and grinding machines.

Retrieved from ” https: Overview Syllabus Related Courses Reviews. Ferrous materials are not readily machinable because the carbon in the diamond tool chemically reacts with the substrate, leading to tool damage and dulling after short cut lengths. Failure of cutting tools and tool life. Mechanism of chip formation Lesson. Machinbaility course also gives emphasis on cutting fluid emissions and its effect on operators, environment and water pollution.