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COURSE OBJECTIVES
1. The course is aimed at developing Basic Graphic skills.
2. Develop Skills In Preparation Of Basic Drawings.
3. Skills in Reading and Interpretation ofEngineering Drawings.
COURSE OUTCOMES
At the end of the course, the students will be able to –
1. Use the drawing instruments effectively and able to dimension the given figures
2. Appreciate the usage of engineering curves in tracing the paths of simple machine components
3. Understand the concept of projection and acquire visualization skills
4. Able todraw the basic views related to projections of points, Lines, Planes
CONTENTS
UNIT:I DIMENSIONING CONTACT HOURS: 12 Hours
Introduction to Engineering Drawing-Drawing Instruments – Standard Sizes of Drawing sheets-Layout of drawing sheets-Types of lines and their applications-Conventions for various materials-Introduction to Dimensioning‐Elements of Dimensioning–Systems of Dimensioning‐Methods of arrangements of Dimensioning- Dimensioning of common features like diameters,radii,arcs andchords- Dimensioning of counter sunk and counter bore- Introduction to Scale- Definition of R.F- Concept of reducing, enlarging and full size scale.
UNIT:II CONIC SECTIONS AND SPECIAL CURVES CONTACT HOURS: 18 Hours
Introduction to conic sections -Division of a line into equal number of parts- Types of conic section- Eccentricity- Construction of conic sections(Parabola, Ellipse and Hyperbola) when eccentricity and distance of the focus from the directrix is given-Construction of ellipse by Intersecting lines method(Rectangular and parallelogram methods)and Concentric circles method -Construction of parabola by rectangle method, parallelogram method and a tangent method-Construction of Rectangular/Equilateral Hyperbola-Construction of Involutes of a circle and to draw tangent and normal at any point on the curve- Construction of Cycloid and to draw a tangent and normal at any point on the curve.