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Introduction to Engineering Graphics. Engineering Graphics use in many engineering discipline Mechanical Architecture Electrical Aerospace Structural Product Representation (3 –D drawing). Typical Branches of Engineering Graphics. Power Generation Transportation
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Introduction to Engineering Graphics • Engineering Graphics use in many engineering discipline • Mechanical • Architecture • Electrical • Aerospace • Structural • Product Representation (3 –D drawing)
Typical Branches of Engineering Graphics Power Generation Transportation Manufacturing Power Services Atomic Energy Marine Vessels Mechanical
Typical Branches of Engineering Graphics Commercial Buildings Residential Buildings Institutional Buildings Environmental Space Forms Architectural
Typical Branches of Engineering Graphics Power Generation Power Application Transportation Illumination Industrial Electronics Communications Instrumentation Military Electronics Electrical
Typical Branches of Engineering Graphics Aerodynamics Structural Design Instrumentation Propulsion Systems Materials Reliability Testing Production Methods Aerospace
Typical Branches of Engineering Graphics Liquid Transportation Manufacturing Power Services Hydraulics Pneumatics Piping
Typical Branches of Engineering Graphics Structural Designs Buildings Planes Ships Automobiles Bridges Structural
Typical Branches of Engineering Graphics New Products Assembly Instructions Presentations Community Projects Renewal Programs Technical Illustration
Drafting Equipment Drafting Machine
Drafting Equipment 45° 30°/60° Triangles
Drafting Equipment Adjustable Triangle
Drafting Equipment Half-Circle Full-Circle Protractors
52.5 1 34 8 mm 1:1 0 10 20 30 40 50 60 70 80 METRIC SCALE 1:1 SCALE (1mm DIVISIONS)
METRIC SCALE 34 53 115 8 mm 1:2 160 20 60 80 100 120 140 0 40 1:2 SCALE (2mm DIVISIONS)
Drafting Equipment Drop Bow Bow Compasses
Drafting Equipment Beam Compasses
Drafting Equipment Wooden Pencil Automatic Pencil Mechanical Pencil
Drafting Equipment Erasers
Drafting Equipment Erasing Shield Drafter’s Brush
Drafting Equipment Templates
Drafting Equipment Irregular Curves
Drafting Equipment Technical Pens
Drawing as a Language BS308 Part 1 and Part 2 • Consist of: • Types Of Lines, abbreviation, symbols, notations, values, etc
EXTENSION LINE DIMENSION LINE HIDDEN LINE BREAK LINE VIEWING-PLANE LINE VISIBLE LINE CUTTING-PLANE LINE CENTER LINE (PATH OF MOTION) LEADER CENTER LINE PHANTOM LINE SECTION LINE APPLICATION OF LINES
DRAW CIRCLES AND ARCS ESTABLISH CENTER LINES COMPLETE OBJECT LINES Highlighting the center lines for circles – Extended the objects CIRCLES AND ARCS
STRAIGHT LINE (SHORTEST DISTANCE BETWEEN TWO POINTS) PARALLEL LINES INTERSECTING LINES DICTIONARY OF DRAFTING GEOMETRY
RIGHT ANGLE ACUTE ANGLE OBTUSE ANGLE COMPLEMENTARY ANGLE SUPPLEMENTARY ANGLE DICTIONARY OF DRAFTING GEOMETRY
EQUILATERAL TRIANGLE ALL SIDES EQUAL LENGTH ISOSCELES TRIANGLE TWO SIDES EQUAL LENGTH RIGHT TRIANGLE SCALENE TRIANGLE DICTIONARY OF DRAFTING GEOMETRY
DICTIONARY OF DRAFTING GEOMETRY CIRCLES ECCENTRIC CONCENTRIC
RECTANGLE SQUARE RHOMBUS RHOMBOID TRAPEZOID TRAPEZIUM DICTIONARY OF DRAFTING GEOMETRY
HEXAGON PENTAGON HEPTAGON OCTAGON NONTAGON DECAGON DODECAGON DICTIONARY OF DRAFTING GEOMETRY
RIGHT TRIANGULAR PRISM RIGHT TRIANGULAR PYRAMID CUBE RIGHT RECTANGLE FRUSTUM OF A CONE SPHERE RIGHT CYLINDER RIGHT CONE DICTIONARY OF DRAFTING GEOMETRY
Figure 1.15 – Paper sizes (a) Paper Border (b)
Figure 1.16 – Explain typical layout of a drawing sheet (suitable for detail drawings)
Figure 1.17 – Explain typical layout of a drawing sheet (suitable for assembly and multi detail drawings)