Syllabus
Curve PPT:
Unit-I
Uses of Drawing Aids: Drawing equipment instruments and materials, planning & layout of drawing, I.S. codes for planning & layout. Lines, lettering & dimensioning: Different types of lines, Vertical capital & lower case letters, inclined capital & lower case letters, Numerals & Greek alphabets. Dimensioning methods aligned method & unilateral with chain, parallel, progressive & combined dimensioning.
Drawing Equipment’s:
Drawing board:
Drawing sheet
Mini-drafter/drafting machine/ T- sqaure
Instrument box containing compass, divider, etc.
Scales
Protractor
French curves
Drawing pencils
Eraser
Drawing clip/pin/adhesive tape
Sharpener
https://theconstructor.org/construction/instruments-engineering-drawing/20067/
https://www.slideshare.net/mobile/shameem.mist/engineering-drawing
Types of Lines:
Lettering in Engineering Drawing: English Letters and Numbers
Dimensioning:
.
Unit-II
Engineering Curves: Construction of Polygons, Various types of curves like Ellipse, parabola,
hyperbola, cycloid, epicycloid, hypocycloid, Involute & spiral.
- Construction of Polygons:
A: Square:
When Side is Given:
When Diagonal is Given
Unit-III
Projections of Points, Lines & Planes: Reference planes, Orthographic projections, 1st Angle
and 3rd Angle projection, Projections of points, Projections of Lines- Determination of true
lengths & inclinations, Projections of plane- circular, square, rhombus, triangular, regular
Pentagonal & hexagonal plane surfaces, determination of true shape.
Unit-IV
Orthographic Projections: Simple Orthographic and Sectional Orthographic Projections of
simple machine parts. Isometric Projections: Difference between isometric projections &
isometric drawing, Isometric views & isometric projections.
Unit-V
Introduction to Computer Drafting: Introduction to different commands in the drawing
software.
Reference Books:
- Elements of Engg. Drawing – N.D. Bhatt
- Engineering Drawing – P.J. Shah.
- Fundamentals of Engg. Drawing – W.J. Luz Zadar.
- Fundamentals of Drawing – K.R. Gopal Krishna
- Fundamentals of Engg. Drawing – French & Vierck List of Practical’s:
- Three sheets on problems from geometrical constructions, lettering & types of lines
- Five Sheets on the topic of Engineering Curves.
- Four Sheets on Projections of Points & Projections of Straight Lines.
- Three Sheets on Projections of Planes.
- Five Sheets on the topic of Orthographic Projections.
- Demonstration of drafting software to the students.