Mec525 -- Mechanics of Metal Forming

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  • Lovely Professional University, PunjabCourse Code Course Title Course Planner Lectures Tutorials Practicals CreditsMEC525 MECHANICS OF METAL FORMING 15854::Jasvinder Singh 2.0 0.0 0.0 2.0Course Category Courses with Numerical focus

    TextBooks Sr No Title Author Edition Year Publisher NameT-1 MECHANICAL METALLURGY GEORGE E. DIETER 3rd 2013 M. G.HILLS

    Reference BooksSr No Title Author Edition Year Publisher NameR-1 TECHNOLOGY OF METAL

    FORMING PROCESSESSURENDER KUMAR 1st PHI (PRETICE HALL INDIA)

    Relevant WebsitesSr No (Web address) (only if relevant to the course) Salient FeaturesRW-1 http://thelibraryofmanufacturing.com/forming_basics.html Information and description related to Forming

    RW-2 http://www.efunda.com/formulae/solid_mechanics/mat_mechanics/calc_principal_stress.cfm

    Stress calculator

    RW-3 http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&ved=0CDUQFjAB&url=http%3A%2F%2Facademic.uprm.edu%2Fpcaceres%2FCourses%2FMMII%2FIMoM-5A.pdf&ei=kWeEUsu1I4nGrAeRpIHoAw&usg=AFQjCNHo0WGreYWWXV-AGAgOx-PkhkQ4Yg&sig2=-2SOFiKHB7XaBE3R4hinjQ&bvm=bv.56343320,d.bmk

    Principal stresses ans calculation

    Week Number

    Lecture Number

    Broad Topic(Sub Topic) Chapters/Sections of Text/reference books

    Other Readings,Relevant Websites, Audio Visual Aids, software and Virtual Labs

    Lecture Description Learning Outcomes Pedagogical ToolDemonstration/ Case Study / Images / animation / ppt etc. Planned

    Live Examples

    Detailed Plan For Lectures

    LTP week distribution: (LTP Weeks)Weeks before MTE 7

    Weeks After MTE 7

    Spill Over 2

  • Week 1 Lecture 1 Introduction and state of stresses(Cold,hot and warm forming and types of stresses)

    R-1:1.2 and 1.3 Basic introductory partof the course and knowledge about forming process related with temperature

    Basic understanding ofdifferent type ofForming processes

    Figures of Forging processes

    Making of rod and tubes

    Introduction and state of stresses(Components and principle stresses)

    R-1:2.2 Different components of stresses.

    Basic understanding ofdifferent components of stresses.

    Rectangular block representing stresses

    stress produce during work

    Lecture 2 Introduction and state of stresses(Experiments and bulk deformation processes)

    T-1:18.1R-1:1.6 and 1.7

    Different types of deformation processes like Extrusion, Drawing and rolling

    Working of metal deforming processes.

    Figures of different metal deformation processes

    Introduction and state of stresses(Temperature and crack formation)

    R-1:1.7 Relation between temperature and cracking in deformation processes.

    Effect of temperature on cracking in deformation processes

    Figures of different metal deformation processes

    cracks of plastic when put in to sun light , braking of glass due to hot water

    Week 2 Lecture 3 Stress and strain relationships and Elastic behaviours(Description of stress at a point)

    T-1:2.2 Component of stresses Different type of stresses (normal and shear stresses)

    Figure of stresses acting cube.

    Stress and strain relationships and Elastic behaviours(state of stress in two and three dimensions)

    T-1:2.3 and 2.5 Plane stresses in two and three dimensions

    Calculation of stresses in two and three dimensions

    Figure of stresses on oblique plane

    Lecture 4 Stress and strain relationships and Elastic behaviours(state of stress in two and three dimensions)

    T-1:2.3 and 2.5 Plane stresses in two and three dimensions

    Calculation of stresses in two and three dimensions

    Figure of stresses on oblique plane

    Week 3 Lecture 5 Stress and strain relationships and Elastic behaviours(Mohr's circle of stress- two dimension and three dimension)

    T-1:2.4 and 2.7R-1:2.7

    Formation of mohr's circle

    calculation of stresses with the help of mohr's circle

    Figure of mohr's circle

    Lecture 6 Stress and strain relationships and Elastic behaviours(Hydrostatics and Deviator components of stress)

    T-1:2.10 Role of Hydrostatics and Deviator components of stress

    Effect of stress components

    figure of hydrostatic stresses

    Stress and strain relationships and Elastic behaviours(Elastic stress strain relations)

    T-1:2.11 Stress strain relation Knowledge about stress strain relationship

    Hooke's law elastic and plastic body

    Week 4 Lecture 7 Stress and strain relationships and Elastic behaviours(Calculations of stresses from elastic strains)

    T-1:2.12 Stress strain relation Knowledge about stress strain relationship

    Numerical relates to stress strain relation.

    Lecture 8 Test1

  • Week 5 Lecture 10 Yield criteria and flow rules(Yield criteria of ductile metals)

    T-1:3.4 Von Mises or Distortion-energy Criterion

    Calculation of stresses for ductile materials

    Equations of Von Mises

    Lecture 9 Yield criteria and flow rules(Introduction)

    T-1:3.1 Introduction about theory of plasticity

    Knowledge about stress-strain curves

    Figure of Stress-strain curves of different materials

    Yield criteria and flow rules(The flow curve)

    T-1:3.2 Description of flow curve

    Knowledge about flow curve

    Idealized flow curve

    Yield criteria and flow rules(True stress and true strain)

    T-1:3.3 Relation between true stress and true strain

    Knowledge about stress-strain equations

    Equations of stress-strain relation

    deformation of object

    Week 6 Lecture 11 Yield criteria and flow rules(Combined stress test)

    Spill Over Spill Over Spill Over

    Lecture 12 Yield criteria and flow rules(Yield locus)

    T-1:3.5 and 3.6 Combined stress test and Yield locus

    Calculations of stresses

    Figure of Yield criteria for plane stresses

    Yield criteria and flow rules(Anistropy in yielding)

    T-1:3.7 Anistropy in yielding Calculations of stresses

    Demonstration by Faculty

    Yield criteria and flow rules(Yield surface and normality)

    T-1:3.7 Yield surface and normality

    Yield surface for Von Mises criterion

    Figures of Yield Locus

    Week 7 Lecture 13 Yield criteria and flow rules(Octahedral shear stress and shear strain)

    T-1:3.9 shear stress and shear strain in Octahedral condition

    Knowledge about the calculation of stress and strain

    Demonstration by Faculty

    Yield criteria and flow rules(Levy Mises equation)

    T-1:3.11 Plastic stress-strain relation

    Levy Mises equation Demonstration by Faculty

    Yield criteria and flow rules(Prandtl Reuss equation)

    T-1:3.11 Plastic stress-strain relation

    Prandtl Reuss equation

    Equations of Prandtl Reuss

    Lecture 14 Yield criteria and flow rules(Slip line field theory)

    T-1:3.12 Two - Dimensional plastic flow - Slip line field theory

    Methods of developing plastic constraint

    Figure of mohr's circle

    MID-TERMWeek 8 Lecture 15 Forging and rolling of

    metals(Classification of forging process)

    T-1:16.1 Different types of forging processes

    Uses of forging processes

    Figure of different types of forging processes

    Manufacturing of object by blacksmith

    Forging and rolling of metals(Equipments)

    T-1:16.2 Different types of forging equipments

    Uses of forging equipments

    Figure of different types of forging equipments

    Forging and rolling of metals(Forging plain strain)

    T-1:16.3 Calculation of forces in forging

    Knowledge about different forces in forging

    Figure of stress distribution

    Lecture 16 Forging and rolling of metals(Open die and close die forging)

    T-1:16.4 and 16.5 Description of open and closed die forging.

    Knowledge about different types of forging dies

    Figures of open and closed die forging.

    Manufacturing of object by blacksmith

    Forging and rolling of metals(Calculation of Forging)

    T-1:16.6 Calculation of Forging loads in closed-die forging

    Calculation of loads Figure of slab

  • Week 9 Lecture 17 Forging and rolling of metals(Hot rolling and cold rolling)

    T-1:17.3 and 17.4 Hot and cold rolling Different types of rolling

    Figures of Rolling mill

    Manufacturing of object by blacksmith

    Forging and rolling of metals(Rolling of bar and shapes)

    T-1:17.5 Methods of rolling Different types of rolling

    Figures of Rolling mill

    similar process as sugar cane

    Forging and rolling of metals(Forces and geometrical relationship in rolling)

    T-1:17.3 and 17.4 Geometric relationship in rolling

    Calculations related to rolling

    Figures of forces acting during rolling

    Lecture 18 Forging and rolling of metals(Analysis of rolling load)

    T-1:17.7 Analysis of rolling loads Knowledge about the calculation of rolling lodes

    Figures used to define the rolling loads

    Week 10 Lecture 19 Test2

    Lecture 20 Extrusion and Drawing(Classification o f Extrusion process)

    T-1:18.1 Different types of extrusion processes

    Knowledge about extrusion processes

    Figure of extrusion processes

    making of sheets at jindal aluminum factory

    Extrusion and Drawing(Deformation lubrication and Defects in extrusion)

    T-1:18.4 Different types of lubrication and defects in extrusion processes

    Knowledge about lubrication and defects in extrusion processes

    Figure of extrusion processes

    Extrusion and Drawing(Analysis of extrusion process)

    T-1:18.5 Analysis of extrusion process

    Knowledge about different forces in extrusion

    Figure of stress-strain distribution in partial tube

    Week 11 Lecture 21 Extrusion and Drawing(Hydrostatic extrusion)

    T-1:18.7 Use of hydro pressure in extrusion

    Role of hydrostatic pressure in extrusion

    Figures of extrusion processes

    Extrusion and Drawing(Rod and wire drawing)

    T-1:19.2 Different types of drawing processes

    Use and working of drawing process equipments

    Figures of different drawing processes

    Extrusion and Drawing(Analysis of wire drawing)

    T-1:19.3 Analysis of forces acting during process

    Knowledge related forces in wire drawing

    Figures of wire drawing processes

    Lecture 22 Extrusion and Drawing(Tube drawing process)

    T-1:19.4 Types of tube drawing processes

    Knowledge about tube drawing

    Figure of tube drawing processes

    Extrusion and Drawing(Analysis of tube drawing)

    T-1:19.5 Analysis of forces acting during process

    Knowledge related forces in tube drawing

    Figure of tube drawing processes

    Week 12 Lecture 23 Test3

    Lecture 24 Sheet metal Forming and Lubrication mechanisms(Forming methods)

    T-1:20.1 and 20.2 Introduction and methods of forming processes

    Different types of forming processes

    Figures of different forming processes

    Sheet metal Forming and Lubrication mechanisms(Shearing and Blanking)

    T-1:20.3 Introduction and methods of shearing and blanking processes

    Different types of shearing and blanking processes

    Figures of different shearing and blanking processes

    Manufacturing of object by blacksmith

  • Week 13 Lecture 25 Sheet metal Forming and Lubrication mechanisms(Bending)

    T-1:20.4 Definition of terms used in bending

    Springback in bending

    Different types of bending processes

    Manufacturing of object by blacksmith

    Sheet metal Forming and Lubrication mechanisms(Stretch forming)

    T-1:20.5 Stretch forming operation

    Variation of necking Figures of stretching processes

    Lecture 26 Sheet metal Forming and Lubrication mechanisms(Deep drawing)

    T-1:20.6 Description of Deep drawing

    Analysis of deep drawing process

    figures of different drawing processes

    making of tube

    Sheet metal Forming and Lubrication mechanisms(Forming limit criteria)

    T-1:20.7 Description forming limit

    Analysis of forming limit

    Forming limit diagram

    Week 14 Lecture 27 Sheet metal Forming and Lubrication mechanisms(Lubrication principle and mechanism)

    R-1:7.2 and 7.3 Lubrication principals and mechanism

    Knowledge about lubrication mechanism

    Figure of three regimes of lubrication

    Sheet metal Forming and Lubrication mechanisms(Lubrication need and their components and cost selection)

    R-1:7.4 and 7.5 Need of lubrication in industries

    Knowledge about costs of lubrication

    Different components of costs in lubrication

    Lecture 28 Sheet metal Forming and Lubrication mechanisms(Chemical characteristics and solid lubrication)

    R-1:7.10 and 7.11 Chemical characteristics values and categories of solid lubrication

    Types of solid lubrication

    Demonstration by Faculty

    Sheet metal Forming and Lubrication mechanisms(classification of lubricants and use in forming process)

    R-1:7.7 and 7.8 classification of lubricants

    Use of lubrication in forming process

    Demonstration by Faculty

    SPILL OVERWeek 15 Lecture 29 Spill Over

    Lecture 30 Spill Over

    Scheme for CA:Component Frequency Out Of Each Marks Total Marks

    Test 2 3 10 20

    Total :- 10 20

    Details of Academic Task(s)

  • AT No. Objective Topic of the Academic Task Nature of Academic Task(group/individuals/field

    work

    Evaluation Mode Allottment / submission Week

    Test1 To check student's ability to understand subject matter through written test

    Unit 1 and Unit 2 Individual Answers should be to the point and problems should be solved step wise.

    3 / 4

    Test2 To check the understanding of students about the topics done in class

    Unit : 4 Individual Answers should be to the point and problems should be solved step wise.

    9 / 10

    Test3 To test the knowledge of the student

    Unit : 5 Individual Answers should be to the point and problems should be solved step wise.

    11 / 12