1. Basic Concepts 2 hours
1.1
Introduction
1.2
List
of equipment and their use
2. Drawing
Conventions : BIS Standard IS:SP–46–1988
2
hours
2.1
Types of conventional Lines.
2.2
Drawing sheet, sizes and layout of drawing
sheet.
2.3
Technical writing : introduction, single stroke
letters, capital and lower case letters, vertical and slant lettering and
numerals
2.4
Norms of Dimensions and rules: Introduction,
dimension terms and notations, theory of dimensions, placement of dimensions
and rules, dimensioning of common features.
I [2 (2.1, 2.6, 2.7), 3(3.1-3.5, 3.7,
3.8), 18 (18.1-18.4, 18.6, 18.7)]
3. Projections 1 hour
3.1
Orthographic Projections: Introduction,
projection terms, coordinate planes of
projection, first angle projection, third angle projection, methods of
obtaining views.
3.2
Types of projections: Perspective and oblique.
3.3
Isometric projection and isometric drawing:
Introduction, types, isometric projection, isometric scale, isometric drawing,
methods of drawing.
I [17 (17.1, 17.4-17.7, 17.13, 17.18), 19
(19.1-19.5, 19.7, 19.10, 19.11, 19.16), 22]
4. Scales
2 hours
4.1
Introduction, representative fraction, types of
scales.
4.2
Plain scale
4.3
Diagonal scale
I
[4 (4.1-4.6)]
5. Plane
Geometry 10 hours
5.1 Construction
of plane and geometric figures : triangle, square, rectangle, pentagon, hexagon
and octagon
5.2
Construction of conics : parabola, ellipse,
hyperbola.
5.3
Construction of curves of loci: cycloid,
epicycloids, hypocycloid, involute of base circle, cylindrical helix.
I [6-8]
6. Solid
Geometry 15 hours
6.1 Conventions
used
6.2
Projection of a point : Point lying in first,
second, third and fourth quadrant and in any plane.
6.3
Projection of straight lines : Straight line
kept perpendicular to H.P. and parallel to V.P.; parallel to H.P. and
perpendicular to V.P.; parallel to both H.P. and V.P.; inclined to one plane
and parallel to other plane; inclined to both H.P. and V.P.; one end of line in
H.P. and other in V.P.;Trace of line.
6.4
Projection of plane. Plane with its surface perpendicular to H.P. and parallel to
V.P.; its surface inclined to one plane and perpendicular to the other
plane. Spatial relationship projections
on primary and secondary auxiliary plane.
Finding edge views; angles of planes with principal planes and true
shape.
6.5
Projection of solids such as prisms and pyramids:
triangular, square, and hexagonal; cylinders and cones and their section with
axis parallel to V.P. and perpendicular to H.P., and axis parallel to H.P. and
perpendicular to V.P. with axis parallel to both H.P. and V.P.; axis parallel
to one and inclined to the other plane. Intersections of planes with solids
such as cylinder and cone.
6.6
Development of surfaces: Drawing of the
development curves for cylindrical, prisms and conical surfaces profiles.
I [9-15]
7. Screw
Threads and Threaded fasteners 4 hours
7.1
Thread terms and nomenclature
7.2
Drawing of different thread profiles of V,
square, acme, buttress and knuckle threads.
7.3
Thread designations and conventional
representation
7.4
Screwed fasteners : Drawing two views of
hexagonal and square headed bolts and
nuts, set screws, cap screws, locking devices, dimensioning.
II
[18 (18.1-18.6, 18.8, 18.13, 18.15-18.19, 18.21)]
8. Keys,
Cotters and Joints 3 hours
8.1
Classification of keys
8.2
Two views of parallel, taper, rectangular, jib
head feather, peg, woodruff keys. Splined shaft and hub
8.3
Cotter joints: spigot and socket cotter joint,
jib and cotter joint.
8.4
Knucklejoint.
II [19 (19.1-19.3, 19.6, 19.7)]
9. Rivets
and Riveted Joints 3 hours
9.1
Rivets, shapes of rivet heads, rivet diameters, riveting, testing.
9.2
Drawing of snap head, pan head, flat countersunk
head, rounded countersunk head.
9.3
Riveted Joints: sketching of two views of lap
and butt joint for single and double riveted joints.
II [16]
10.
Shaft Coupling
3 hours
10.1
Introduction, classification, rigid flange
coupling, muffcoupling (two views)
II [20 (20.1, 20.2, 2.4, 20.5)]
11.
Pipe Joint 2 hours
11.1
Introduction and standardization, types of
pipes.
11.2
Pipe Joints: Screwed joints, flanged joints,
spigot and socket joints. Hydraulic
pipe joint.
II [21 (21.1-21.6, 21.8-21.10)]
12.
Belts and Pulleys 3 hours
12.1
Introduction: Solid cast iron pulley, split
pulley, built up pulley.
12.2
Fast and loose pulley.
12.3
Stepped pulley.
II [22 (22.1-22.6)]
13. Bearings 5 hours
13.1
Introduction, types of bearings.
13.2
Journal bearings, solid journal bearing, bushed
bearing, open bearing.
13.3
Plummer block.
13.4
Wall bracket and bearing.
13.5
Ball and roller bearing (sketches)
II [23 (23.1-23.7, 23.15, 23.17-23.19)]
14. I.C.E. Parts 2 hours
14.1
Introduction
14.2
I.C.E. Piston (one view sketch)
14.3
I.C.E. Connecting Rod (two views)
II
[28 (28.1-28.3)]
15. Concept of Limits, Fits and Tolerances 2 hours
15.1
Introduction
15.2
Conventional Fundamental Tolerancing.
15.3
Definitions and Schematic representations of :
basic size, zeroline, maximum size, minimum size, upper deviation, lower
deviation, tolerance, clearance fit, transition fit and interference fit.
15.4
Symbols for tolerances, deviations and fits.
15.5
Methods of giving tolerances and fits
II [13 (13.1, 13.2, 13.4, 13.6, 13.7)]
Text Books
I.
P.S. Gill, ‘Engineering Drawing’, S.K.
Kataria and Sons, Ludhiana (2003)
II.
P.S. Gill, ‘Machine Drawing’, S..K.
Kataria & Sons Ludhiana (2001)
Reference Books
1.
S.C. Sharma and Naveen Kumar ‘Engineering
Graphics with Auto CAD’ E.D. Galgotia and Sons, Delhi.(2002)
2.
S.C. Sharma ‘Machine Drawing’ Galgotia
Publication, Delhi. (2004)
3.
R.B. Gupta, Fundamentals of Engineering Drawing,
‘Satya Prakashan’ Delhi (2001).
4.
B.D. Bhatt, ‘Machine Drawing’.
5.
V. Lakshminarayanan and R.S. Vaishwnar,
Engineering Graphics(1999)