JNTUK R20 B.Tech Mechanical 3-1 MMT & M Material/ Notes PDF Download

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JNTUK R20 B.Tech Mechanical 3-1 MMT & M Material/ Notes PDF Download: The JNTUK R20 B.Tech Mechanical 3-1 MMT & M Material course teaches students about material removal processes. They learn to use tools like lathes, milling machines, and drills practically. The aim is to show how these machines work and how to choose the right settings for cutting metal. Students also learn about different materials for tools, how to use cutting fluids, and why tools wear out. They also use math to figure out the best settings for cutting.

The JNTUK R20 B.Tech Mechanical 3-1 MMT & M Notes helps students understand and use machining tools effectively. For notes and PDF downloads, students can find all the necessary resources.

JNTUK R20 B.Tech Mechanical 3-1 MMT & M Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Machining, Machine Tools & Metrology Material

Fundamental of Machining: Elementary treatment of metal cutting theory – element of the cutting process – Single point cutting tools, the nomenclature of single point cutting tool, tool signature, tool angles, mechanism of metal cutting, types of chips and chip formation – built-up edge and its effects, chip breakers, mechanics of orthogonal and oblique cutting –Merchant’s force diagram, cutting forces, velocity ratio, cutting speeds, feed, depth of cut, tool life, Taylor’s tool life equation, simple problems – Tool wear, tool wear mechanisms, heat generation in metal cutting, coolants, machinability, the economics of machining, tool materials and properties.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Machining, Machine Tools & Metrology Material

Lathe Machines: Introduction- types of lathe – Engine lathe – principle of working – construction – specification of lathe – work holders and tool holders – accessories and attachments – lathe operations – taper turning methods and thread cutting – drilling on lathes – cutting speed and feed-depth of cut.

Shaping, Slotting, and Planning: Introduction – principle of working – principle parts – specifications – operations performed – slider crank mechanism – machining time calculations.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Machining, Machine Tools & Metrology Material

Drilling & Boring Machines: Introduction – construction of drilling machines – types of drilling machines – principles of working – specifications- types of drills – geometry of twist drill – operations performed –cutting speed and feed – machining time calculations – Boring Machines – fine Boring Machines – jig boring machines – deep hole Drilling Machines.

Milling Machines: Introduction – principle of working – specifications – milling methods – classification of Milling Machines –types of cutters – geometry of milling cutters – methods of indexing, accessories to milling machines – cutting speed and feed – machining time calculations

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Machining, Machine Tools & Metrology Material

Finishing Processes: Introduction – theory of grinding – classification of grinding machines- cylindrical and surface grinding machines- tool and cutter grinding machines- different types of abrasives- bonds, specification and selection of a grinding wheel-lapping, Honing & Broaching operations- comparison to grinding.

Systems Of Limits And Fits: Introduction, nominal size, tolerance, limits, deviations, different types of fits -Unilateral and bilateral tolerance system, hole and shaft basis system interchangeability, deterministic & statistical tolerances, selective assembly- An international standard system of tolerances, selection of limits and tolerances for correct functioning, simple problems related to limits and fits, Taylor’s principle – design of go and no go gauges; plug, ring, snap, gap, taper, profile, and position gauges – inspection of gauges.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Machining, Machine Tools & Metrology Material

Surface Roughness Measurement: Differences between surface roughness and surface waviness –Numerical assessment of surface finish-CLA, Rt., R.M.S. Rz, R10 values, simple problems – method of measurement of surface finish – Profilograph, Talysurf, ISI symbols for indication of surface finish.

Optical Measuring Instruments: Tools maker’s microscope, Autocollimators, Optical projector, Optical flats-working principle, construction, merits, demerits, and their uses. optical comparators.

JNTUK R20 B.Tech MMT & M Material – Outcomes

• Understand machining processes: Learn about different techniques used to shape materials, like cutting, grinding, and drilling.
• Apply lathe, shaping, slotting, and planning machines: Practice using these machines to shape materials according to specific designs.
• Apply drilling, milling, and boring processes: Learn how to use drilling machines to create holes, milling machines to shape materials, and boring machines to enlarge existing holes.
• Analyze finishing processes and limits and fits: Study how finishing processes improve the surface quality of materials, and understand the system of limits and fits that ensures parts fit together properly.
• Learn about surface roughness and optical measuring instruments: Explore concepts related to the roughness of surfaces and how to measure it accurately using optical instruments.

For more details about JNTUK R20 B.Tech Mechanical 3-1 MMT & M Material and other materials follow our official website Freshersnow.com.