ME6503 Design Of Machine Elements Hand Written Lecture Notes - Mr.N.Krishnamoorthy

  • 17Feb
  • 2017
  • 0
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    Design Of Machine Elements Premium Lecture Notes Contains all units by Mr. Krishnamoorthy. Specially for Mechanical Engineering Candidates. Syllabus Covered based on Anna University B.E Mechanical Engineering

    Special Thanks To:
    Mr.N. Krishnamoorthy
    P.T.Lee Chengalvaraya Naicker Engg College

    Attachment: click here


    CONTENTS:

    Unit-1
    STEADY STRESSES AND VARIABLE STRESSES IN MACHINE MEMBERS


    UNIT-2
    SHAFTS AND COUPLING

    UNIT-3
    TEMPORARY AND PERMANENT JOINTS

    UNIT-4
    ENERGY STRONG ELEMENTS AND ENGINE COMPONENTS

    UNIT-5
    BEARINGS DESIGN

    Unit-1
    STEADY STRESSES AND VARIABLE STRESSES IN MACHINE MEMBERS
    Introduction
    Definition of design
    Design process
    Factors influencing machine design
    Selection of materials based on mechanical properties
    Fits and tolerance
    Fits types:
    1. Clearance fits
    2. Interference fits
    3. Transition fits
    Direct bending and torsional stress
    1. Direct stress
    2. Bending stress
    Calculation of principle stress for various load combination
    1. Normal stress
    2. Tangential stress
    Eccentric loading
    Design of curved beams – crane hook and c- frame
    Factor of safety
    Theories of failure
    Design of crane hooks
    Solved problems on theories of failure
    Stress concentration
    Terms used in variable stress condition
    1. Load factor
    2. Surface finish factor
    3. Size factor
    4. Reliability factor
    5. Miscellaneous factor


    UNIT-2
    SHAFTS AND COUPLING
    Design of shaft based on strength against static loading
    Design of shaft based on rigidity
    Design of shaft based on critical speed
    Design of keys and keyway
    Design of splines
    Design of rigid and flexible coupling
    Classification of coupling
    Flange coupling
    1. Unprotected type flange coupling
    2. Protected type flange coupling
    3. Marine type flange coupling
    Design procedure for flange coupling

    UNIT-3
    TEMPORARY AND PERMANENT JOINTS
    Threaded fasteners
    Design of blots for eccentric loading
    Promblems
    Design of welding joints
    1. Types of welding joints
    2. Basic weld symbols
    3. Design of welding joints based formula
    Pin joints
    1. Cotter joints
    2. Knukle joints
    Design of socket and spigot cotter joints
    Problems
    Design of sleeve and cotter joints
    Design of GIB and cotter joint for square rods
    Design of knuckle joints

    UNIT-4
    ENERGY STRONG ELEMENTS AND ENGINE COMPONENTS
    Various types of spring
    1. Helical spring
    2. Spiral spring
    3. Leaf spring
    4. Belleville spring
    Problems
    Design of torsion spring
    Design of Belleville spring
    Design of connecting rods
    Design of crank shaft


    UNIT-5
    BEARINGS DESIGN
    Problems

    Attachment: click here