Ø
Which Languages do
you speak?
English, Hindi, Marathi, Gujarati, Tamil.....
Etc.
Ø Why do we use these Languages?
To communicate with others, and to share Ideas, Information,
Feelings etc. with others.
"But Engineering Language is Quite
Different."
Ø Let take an example:
A
person Mr X wants to create some Engineering Product. When he thinks about it his mind creates that Objet in his Mind in the form of Idea.
But he cannot convert that idea into Real
Objet by his mind alone. Now he requires
External Assistance so he decides to
share his idea among the peoples.
But it was difficult to explain what
exactly was there in his mind by our Routine
Languages. So he take a Paper and share his Idea by making Shapes &
Sketch.
This way
by Graphical Representation he
conveyed his Idea to other…
Engineering
Drawing is a Graphical Language that communicates Ideas and Information from one
mind to another.
Ø
What is Drawing?
Drawing is a form of visual art in which a person uses
various drawing instruments to mark paper or another two-dimensional medium.
Instruments include graphite pencils, pen and ink, various kinds of paints,
inked brushes, wax colored pencils, crayons, charcoal, chalk, pastels, various
kinds of erasers, markers, styluses, and various metals (such as silverpoint).
Ø
What is Digital
Drawing?
Digital
drawing is the act of using a computer to draw. Common methods of digital
drawing include a stylus or finger on a touchscreen device, stylus- or
finger-to-touchpad, or in some cases, a mouse. There are many digital art
programs and devices.
Ø
What is a Sketch?
A quick, freehand drawing, usually not intended as a
finished work, is sometimes called a sketch.
Ø
Who is a Draftsman?
An artist
who practices or works in technical drawing may be called a drafter, draftsman
or a draughtsman.
Ø Engineering Dawning
are Prepared by 2 Most common Methods:
Ø Manual Drafting
Ø Using CAD
Systems ( Computer Aided Design )
Ø Manual Drafting:
The
basic procedure for manual drafting is to place the Sheet of Paper on a Drawing
Board which has a smooth surface. And the drawing are make using different
Instruments shown in the picture below.
Designation
of Board
|
Size
in (mm)
|
B0
|
1000 x 1500
|
B1
|
700 x 1000
|
B2
|
500 x 700
|
B3
|
350 x 500
|
Table – 1: Different Sizes of Drawing Board.
Sr.
No.
|
Designation
|
Trimmed
|
Untrimmed
|
||
Length
|
Width
|
Length
|
Width
|
||
1
|
A0
|
1180
|
841
|
1230
|
880
|
2
|
A1
|
841
|
594
|
880
|
625
|
3
|
A2
|
594
|
420
|
625
|
450
|
4
|
A3
|
420
|
297
|
450
|
330
|
5
|
A4
|
297
|
210
|
330
|
240
|
6
|
A5
|
210
|
148
|
240
|
165
|
Table-2: Types of Drawing Sheets with Trim & Untrimmed Sizes
Hard
Grades
|
Medium
Grades
|
Soft
Grades
|
9H Hardest
|
3H Hardest
|
2B Hardest
|
8H
|
2H
|
3B
|
7H
|
H
|
4B
|
6H
|
F
|
5B
|
5H
|
HB
|
6B
|
4H Softest
|
B Softest
|
7B softest
|
Table-3: Different Grades of Pencils used in Manual Drafting
Ø Using CAD Systems:
Today, the mechanics of the
drafting task have largely been automated and accelerated through the use
of Computer-Aided Design Systems
(CAD).
There are two types of computer-aided design
systems used for the production of technical drawings 2D- Two Dimensions and 3D - Three Dimensions.
Let Sum up:
Engineering Drawing is a Graphical Language that communicates Ideas and Information from one mind to another.
- Manual Drafting
- Using CAD Systems
What Coming up Next?
Get ready to explore Engineering Drawing & Drafting Templates with a complete Paper Size Guide. Learn the fundamentals of technical drawings and understand how to choose the right sheet sizes — A4, A3, A2, A1, and A0 — for different engineering applications. This upcoming content will help students and professionals improve drafting standards, drawing presentation, and practical CAD workflow skills for real-world engineering projects. 🚀
