NPTEL : NOC:Elements of Metal Cutting, Machine tools, Gear Cutting and CNC Machining (Mechanical Engineering)

Co-ordinators : Prof. Asimava Roy Choudhury


Lecture 1 - Introduction

Lecture 2 - Geometry of single point turning tools - 1

Lecture 3 - Geometry of turning tools - 2

Lecture 4 - Geometry of single point turning tools -3

Lecture 5 - Geometry of cutting tools and numerical problems

Lecture 6 - Different types of tools and mcq

Lecture 7 - Mechanism of chip formation

Lecture 8 - Mechanics of material removal

Lecture 9 - Measurement Of Cutting Forces

Lecture 10 - Numerical problems and MCQ

Lecture 11 - Tool wear and Tool life

Lecture 12 - Wear and life of cutting tools - 2

Lecture 13 - The lathe

Lecture 14 - Calculations on mechanisms in machine tools

Lecture 15 - Numerical problems on lathe

Lecture 16 - milling machines

Lecture 17 - Milling machine - indexing

Lecture 18 - Gear cutting CNC and non traditional machining

Lecture 19 - CNC and non-traditional machining methods

Lecture 20 - Numerical problems for week 4

Lecture 21 - Introduction

Lecture 22 - Simple Gear Calculations

Lecture 23 - Gear Geometry

Lecture 24 - Helical Gear Problems

Lecture 25 - Numerical Problem MCQ

Lecture 26 - Numerical Problem Milling of Helical Gears

Lecture 27 - Simple and Compound Indexing

Lecture 28 - Differential Indexing

Lecture 29 - Helical Gear Cutting on Milling Machine

Lecture 30 - Numerical Problems on Gear Milling

Lecture 31 - Gear Shaping - I

Lecture 32 - Gear Shaping - II

Lecture 33 - Gear Shaping - III

Lecture 34 - Gear Shaping - IV

Lecture 35 - Gear Hobbing - I

Lecture 36 - Gear Hobbing - II

Lecture 37 - Gear Hobbing - III

Lecture 38 - Gear Hobbing - IV

Lecture 39 - Gear Hobbing - V

Lecture 40 - Gear Hobbing - VI

Lecture 41 - Introduction to computer control role of computers in automation

Lecture 42 - Introduction (Continued...) binary logic and logic gates

Lecture 43 - Classification of Computer numerical control (CNC) Point to point and continuous control

Lecture 44 - Classification (Continued...) : Closed loop and open loop control

Lecture 45 - Tutorial involving simple calculations on different aspects of CNC controls

Lecture 46 - Questions, MCQ Discussions on Motors, Encoders, Decoders and Programming Practice

Lecture 47 - Stepper motors, Permanent magnet DC motors

Lecture 48 - Binary circuits and decoders

Lecture 49 - Tachogenerator, printed circuit motors, Encoders

Lecture 50 - Programming Practice - I

Lecture 51 - Programming Practice - 1I

Lecture 52 - Computer Aided Offline Programming

Lecture 53 - Interpolators - Linear

Lecture 54 - Interpolators - Curvilinear

Lecture 55 - Questions on Programming and Interpolation

Lecture 56 - 3-D Machining - Basic Concepts

Lecture 57 - Curved Surface Geometry

Lecture 58 - Cutter Path Generation for Curved Surfaces

Lecture 59 - Cutter Path Generation (Concluding Part) and Current Status - CNC Machining and Related Processes

Lecture 60 - Questions and Discussions on Curved Surface Machining