Fundamentals of Engineering Graphics
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Fundamentals of Engineering Graphics

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An introduction to the subject Engineering Graphics for first year engineering students

An introduction to the subject Engineering Graphics for first year engineering students

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Fundamentals of Engineering Graphics Fundamentals of Engineering Graphics Presentation Transcript

  • GOOD MORNING STUDENTS
  • FUNDAMENTALS OF ENGINEERING GRAPHICS DRAWING INSTRUMENTS * DRAWING SHEETS * COMPUTER AIDED DRAFTING & MODELLING * DRAWING PROCESSES
  • METHODS OF DRAWING & NEEDS S.No. Method Needs 1 Free Hand Sketching Drawing Sheet, 4 Instruments 2 Manual Drafting Drawing Sheet, 15 Drawing Instruments 3 Computer Aided Drafting Drawing Sheet, Computer, Software. Printer 4 Computer Aided Modelling Computer, Software
  • DRAWING INSTRUMENTS DRAWING INSTRUMENTS * DRAWING SHEETS * COMPUTER AIDED DRAFTING & MODELLING * DRAWING PROCESSES
  • METHODS OF DRAWING & NEEDS D R A _ I N G _ O A R D D R A _ T E _ F R E N C _ C _ R V E S S _ A L E / R _ L E R T E M P L A _ E / S T E N C _ L S _ T S Q _ A R E F A S T E N _ _ S P R O T R _ _ T O R _ E N C _ L P R O _ I R C _ E _ R A S E _ C O M P _ S _ S H A R P E N _ R D _ V _ D E R D _ S T _ R
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • INSTRUMENTS
  • DRAWING SHEETS DRAWING INSTRUMENTS * DRAWING SHEETS * COMPUTER AIDED DRAFTING & MODELLING * DRAWING PROCESSES
  • DRAWING SHEET
  • DRAWING SHEET
  • DRAWING SHEET Paper Size in mm Use A0 841 x 1149 Cinema Posters A1 594 x 841 Flip Charts, Newspapers A2 420 x 594 Engineering Drawings, Flip Charts A3 297 x 420 Local Posters, Engineering Drawings A4 210 x 297 Letters, Printouts, Common Purposes etc. A5 148 x 210 Note Pads A6 105 x 148 Bills A7 74 x 105 Index Cards A8 52 x 74 Playing Cards
  • DRAWING SHEET A4, A6, A2 A4, A5, A3
  • COMPUTER AIDED DRAFTING & MODELLING DRAWING INSTRUMENTS * DRAWING SHEETS * COMPUTER AIDED DRAFTING & MODELLING * DRAWING PROCESSES
  • COMPUTER P4 PROCESSOR 1 GB RAM 40 GB HARD DISK DRIVE 17 inch MONITOR
  • SOFTWARE AutoCAD Solid Works Solid Edge CollabCAD Think3
  • PLOTTER/PRINTER
  • DRAWING PROCESSES DRAWING INSTRUMENTS * DRAWING SHEETS * COMPUTER AIDED DRAFTING & MODELLING * DRAWING PROCESSES
  • PROCESSES  LAYOUT - MARGINS & TITLE BLOCK  LINE TYPES & TYPES OF LINES  LETTERING & NUMBERING  DIMENSIONING  SCALE
  • _______ IS LONG _______ IS SHORT
  • INTRODUCING BIS 1. IS 10711 – 2001: Technical products Documentation – Size and lay out of drawing sheets 2. IS 9609 (Parts 0 & 1) – 2001 :Technical products Documentation – Lettering. 3. IS 10714 (Part 20) – 2001 & SP 46 – 2003: Lines for technical drawings. 4. IS 11669 – 1986 & SP 46 - 2003 : Dimensioning of Technical Drawings. 5. IS 15021 (Parts 1 To 4) – 2001: Technical drawings- Projection Methods.
  • Margins are available for all sheets from A0 to A8 for both portrait & landscape orientations A4 Sheets in Portrait Orientation will be used for our drawings The minimum margin size for A4 sheets is 10 mm IS 10711 – 2001 M A R G I N S
  • 20mm 10 mm 10 mm 10mm IS 10711 – 2001 M A R G I N S
  • T I T L E B L O C K The title block is a rectangular block normally placed in the bottom right of the drawing sheet to provide the following information the name of the company or organization the title of the drawing the drawing no. the scale the signature or initials of the approving officer IS 11665 – 1985
  • 120 mm 50mm IS 11665 – 1985 T I T L E B L O C K
  • 120 mm KVCT Roll No. Name Experiment Title Ex. No. 1 Sheet No. 1/2 Scale 1 : 1 Date 30.08.2010 60 mm 60 mm 20 mm 20 mm 10 mm 30 mm IS 11665 – 1985 T I T L E B L O C K
  • IS 10714 – 1983 MARGIN LINE OBJECT LINE CENTRE LINE PROJECTION LINE DIMENSION LINE LEADER LINE HIDDEN LINE SECTION LINE GUIDE LINE T Y P E S O F L I N E S
  • TYPE DESCRIPTION APPLICATION PENCIL Continuous Thick Object Lines or Visible Edges, Margins HB Continuous Thin Dimension Lines, Leader Lines, Projection Lines Guidelines 2H Short Dashed Hidden Lines or Invisible Edges H Long Chain Thin Centre Lines or Lines of Symmetry 2H Long Chain Thick at Ends & Thin elsewhere Cutting Plane Section Lines 2H IS 10714 – 1983 L I N E T Y P E S
  • L E T T E R I N G & N U M B E R I N G  The writing of titles, sub titles, dimensions, notes & other important particulars is called lettering & numbering Lettering should be by single stroke Gothic Letters Lettering & Numbering – Vertical & Inclined Lettering & Numbering – Type A & Type B Height of Lettering Spacing Correct Use of Letters IS 9609 – 1983
  •  I AM ________________ IS 9609 – 1983  I LIKE KVCT. IT IS GOOD  I HAVE TO PAY RATHNAVEL 1000 RS. L E T T E R I N G & N U M B E R I N G
  • D I M E N S I O N I N G IS 11669-1986 IS 10718-1983 40 mm 80 mm
  • The art of indicating dimensions on the drawing to define geometric characteristics such as lengths, breadths, heights, diameters, location of holes etc. IS 11669-1986 IS 10718-1983 D I M E N S I O N I N G
  • DIMENSION VALUES DIMENSION LINE PROJECTION LINE ARROW HEAD LEADER LINE IS 11669-1986 IS 10718-1983 D I M E N S I O N I N G
  • IS 11669-1986 IS 10718-1983 D I M E N S I O N I N G
  • IS 11669-1986 IS 10718-1983 D I M E N S I O N I N G
  • IS 11669-1986 IS 10718-1983 METHODS OF PLACEMENT OF DIMENSIONS Aligned System Uni Directional System Types of Dimensioning Chain Dimensioning Parallel Dimensioning Progressive Dimensioning Co-ordinate Dimensioning Combined Dimensioning Equal Dimensioning D I M E N S I O N I N G
  • S C A L E S DEFINITION SCALES Full Scale Reducing Scale Enlarging Scale STANDARD SCALES RF
  • THANKS & TEST