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ME-105 (Th)

ENGINERING DRAWING & GRAPHICS

Contact hours: 2

Credit hours: 2

Objective:

To understand basic concepts of Space Geometry and its

applications in the production of design outputs.

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Boos

• Te!t:

a. "#lementary #ngineering $ra%ing&' (evised and #nlarged

#dition by ). $. Bhatt.

• (eference:

a. "#ngineering $ra%ing and Graphic Technology&' *+th 

#dition by Thomas #. ,rench' Charles -. ierc and

(obert -. ,oster.

b. "Technical $ra%ing&' /th  #dition %ith Computer Graphicsby Giesece' 0itchell' 1ill and $ygdon.

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Grading

0idterm #!am 234

,inalterm #!am 354

1ome%or 6ssignments *34

Tests and 7ui88es *54

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ME-105 (Lab)

ENGINERING DRAWING & GRAPHICS

Contact hours: +

Credit hours: 2

Objective:

To understand basic and advanced concepts of 0achine $ra%ing and

production of final design outputs at various stages of productionand assembly.

8/19/2019 Lecture -1 Th

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Boos

• Te!t:

a. "#ngineering $ra%ing and Graphic Technology&' *+th 

#dition by Thomas #. ,rench' Charles -. ierc and

(obert -. ,oster.

b. "6 first 9ear #ngineering $ra%ing&' th  #dition by 6.C.;arinson.

• (eference:

a. "Technical $ra%ing&' /th  #dition %ith Computer Graphicsby Giesece' 0itchell' 1ill and $ygdon.

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Grading

0idterm #!am 234

,inalterm #!am 354

;ractical

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*. =)T(O$>CT=O=) TO #)G=)##(=)G $(6?=)G:

• 6 language of #ngineers to describe

a. Shape

b. Si8e

c. ,it

d. ,inish

e. ;roduction ;rocess and Specification

f. ,unction

g. 6ssembly

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2. T9;#S O, $(6?=)G:

a. $etail $ra%ings

• To describe the shape' si8e' fit and finish of each and

every part in detail for production purposes.

b. Sub6ssembly $ra%ings

• To describe the fit and method of fastening for a small

group of components to create an assembly.

c. 6ssembly $ra%ings

• To describe the fit and method of fastening for a group of

subassemblies to create a larger assembly.

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@. T9;#S O, 0#6S>(=)G S9ST#0S:

a. #nglish

• ,eet and =nches

b. 0etric

• 0eters and 0illimeters

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+. $(6?=)G =)ST>0#)TS 6)$ T1#=( >S#S:

a. $ra%ing Board

Serves as a flat dra%ing surface to attach a paper to.

b. $rafting 0edia

• ;aper 

• ,ilm ATracing ;aper

Standard Si8es are:

>S6 si8e' inches Closest =nternational si8e' mm

6 A.3 ! **.5 6+ A2*5 ! 2D/B A**.5 ! */.5 6@ A2D/ ! +25

C A*/.5 ! 22.5 62 A+25 ! 3D+

$ A22.5 ! @+.5 6* A3D+ ! +*

# A@+.5 ! ++.5 65 A+* ! **D

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c. ;encils

Classification according to lead hardness is:

1ard grades 0edium grades Soft grades

D1 1ardest @1 1ardest 2B 1ardest

1 21 6@ A2D/ ! +25 @B

/1 1 62 A+25 ! 3D+ +B

1 , 6* A3D+ ! +* 3B

31 1B 65 A+* ! **D B

+1 Softest B Softest /B Softest

d. #raser  

e. T SEuare

,or dra%ing hori8ontal lines and provide a supportingFsliding

edge for setsEuares and other stencils.

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f. SetSEuares

,or dra%ing vertical and angular lines

g. Scales

i.

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3. T9;#S O, S#$ =) #)G=)##(=)G $(6?=)G:

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a isible Outline

  ,or sho%ing visible edges of an object

b 1idden Outline

  ,or sho%ing hidden edges of an object

c Center

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Dimension line

0.18 to 0.25 mm thick

Extension Line

0.18 to 0.25 mm thick

Terminator 

0.25 to 0.35 mm thick

2 to 2.5 mm long

0.13 mm to 0.2 mm thick

0.35 to 0.5 mm thicki Section