notes For RGPV Bhopal CBCS CBGS Students

  • Machine Drawing & CAD (ME-4003)

    Machine Drawing & CAD (ME-4003) RGPV notes CBGS Bachelor of engineering

    Objectives

    To enable the students to prepare a detailed assembly drawing for machine components.


    Outcomes

    1. Understand Indian standards for machine drawing.
    2. Understand Fits and Tolerances in technical drawing.
    3. Prepare assembly drawing of joints, couplings and machine elements.
    4. Design and prepare Jigs and fixtures for given components.


    Syllabus

    UNIT 1:
    Drawing conventions; IS codes, sectional views and sectioning, surface finish and tolerances representation of machine parts such as external and internal threads, slotted heads, square ends, and flat radial ribs, slotted shaft, splined shafts, bearings, springs, gears, Rivet heads and Riveted joints, Welded joints, Drawing of Threaded fasteners .

    UNIT 2:
    Assembly Drawing : Assembly Machine Drawing ,Basic concept of assembly drawing ,bill of materials, Assembly drawing of Cotter and Knuckle joints, pedestal and footstep bearings, Engine parts- crosshead and stuffing box, IC engines parts - piston and connecting rods; lathe machine parts-Tool post and Tail Stock.

    UNIT 3:
    CAD : software and hardware required to produce CAD drawings Software: operating systems; CAD software packages e g AutoCAD, AutoCAD/Inventor, Micro station, Catia, Pro/ENGINEER, Solid works; minimum system requirements. Preparing & interpreting CAD drawing, orthographic projections; Commands: absolute/relative/polar coordinates; features eg line types, grids, snaps, circle, text, hatching, dimensioning, layers/levels, colour; viewing e g zoom, pan; inserting other drawings e g symbols, blocks; modifying e g copy, rotate, move, erase, scale, chamfer, fillet Interpret: determine properties of drawn objects e g list, distance, area, volume use CAD software to produce 2D & 3D assembly drawings and views

    UNIT 4:
    3D environment: 3D views e g top, front, side, isometric 3D models: 3D techniques e g addition and subtraction of material, extrude, revolve, sweep, 3D coordinate entry (x, y, z), wire frame drawing, 2D to 3D (thickness, extrusion); surface models; solid


    NOTES


    EVALUATION

    Evaluation will be continuous an integral part of the class as well through external assessment.


    Books Recommended

    1.Bhatt, ND; Machine Drawing; Charotar Publication
    2. K C John ,Machine Drawing , PHI
    3. Singh A; Machine Drawing; TMH publication
    4. Narayana and Reddy; Machine Drawing; New age, Delhi.
    5. Shigley JE et al; Mechanical Engineering Design, TMH


    List of Experiments:

    Assembly Drawing and design problem as per given syllabus


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