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8/9/2019 Class 1_MME1211.ppt
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Nor Khairusshima MuhamadKhairussaleh
norkhairusshima@iium.edu.myExt : 6542
Lecturer Room: E!"!26 #utors: $%icenna n &
1
mailto:norkhairusshima@iium.edu.mymailto:norkhairusshima@iium.edu.my
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$ll classes 'ill start on time. $ttendance$ll classes 'ill start on time. $ttendance
'ill (e taken durin) each class session.'ill (e taken durin) each class session.
$ttendance must include$ttendance must include PC no.PC no.
*ishonest 'ork on examinations or*ishonest 'ork on examinations or
assi)ned 'ork is a serious o+ense.assi)ned 'ork is a serious o+ense.
,tudents cau)ht cheatin) on exams or,tudents cau)ht cheatin) on exams or
assi)nments 'ill (e taken a--ro-riateassi)nments 'ill (e taken a--ro-riate
disci-linary action.disci-linary action.
2
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$ssi)nments are to (e turned in on time$ssi)nments are to (e turned in on time
and dates desi)nated. Late su(missionand dates desi)nated. Late su(mission
'ill not (e acce-ted.'ill not (e acce-ted.
'ritescri((ledra''ritescri((ledra'
anythin) on the ta(lemonitor'all. /0anythin) on the ta(lemonitor'all. /0
cau)ht doin) so 'ill result in se%erecau)ht doin) so 'ill result in se%ere
-unishment-unishment.
3
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#he o(1ecti%es o0 this course : #he o(1ecti%es o0 this course :
/ntroduce 0undamentals o0 en)ineerin)/ntroduce 0undamentals o0 en)ineerin)dra'in).dra'in).
/m-art skills in com-uter aided dra'in) 3$*/m-art skills in com-uter aided dra'in) 3$*
toolstools
ro%ide a clear understandin) o0 t'o and threero%ide a clear understandin) o0 t'o and three
dimensional re-resentation o0 a -art the multi!dimensional re-resentation o0 a -art the multi!
%ie' dra'in) -ractices $N* dimensionin) and%ie' dra'in) -ractices $N* dimensionin) and
tolerancestolerances
/ntroduce the sectional and auxiliary %ie's./ntroduce the sectional and auxiliary %ie's.
Ex-ose students to intersection o0 solids andEx-ose students to intersection o0 solids and
-lanes and de%elo-ment o0 sur0aces.-lanes and de%elo-ment o0 sur0aces.
4
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$0ter com-letion o0 the course the students$0ter com-letion o0 the course the students
should (e a(le to:should (e a(le to:
3onstruct common )eometrical sha-es and3onstruct common )eometrical sha-es and
a--ly constraints.a--ly constraints.*ra' and arran)e multi!%ie's and isometric*ra' and arran)e multi!%ie's and isometric
%ie's o0 o(1ects.%ie's o0 o(1ects.
*e%elo- sectional and auxiliary %ie's.*e%elo- sectional and auxiliary %ie's.
3reate and inter-ret 3$* models o0 -arts3reate and inter-ret 3$* models o0 -arts
(ased on sketchin) conce-t and solid(ased on sketchin) conce-t and solid
modellin).modellin).
5
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$--ly 3$* tools 0or mani-ulatin) and$--ly 3$* tools 0or mani-ulatin) and
modi0yin) dra'in) elements.modi0yin) dra'in) elements.
*etermine intersection o0 solids and*etermine intersection o0 solids and
-lanes and de%elo- sur0aces o0-lanes and de%elo- sur0aces o0intersected o(1ects.intersected o(1ects.
*e%elo- assem(ly dra'in)s.*e%elo- assem(ly dra'in)s.
6
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7ui8 9 Manual7ui8 9 Manual : 9: 9
7ui8 2 3$*7ui8 2 3$* : 9: 9
ro1ect 3$*ro1ect 3$* : 9: 9
$ssi)nment class ; home'ork$ssi)nment class ; home'ork : 2: 2 Mid!term ManualMid!term Manual : 2: 2
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Download the slides from
i-Ta’leem
8
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lease add title (lock in the lo'er ri)htlease add title (lock in the lo'er ri)htcorner o0 your dra'in) sheetcorner o0 your dra'in) sheet
#itle (lock should (e as 0ollo's #itle (lock should (e as 0ollo's
the 0ollo'in) 0ormatthe 0ollo'in) 0ormat:
INTERNATIONAL ISLAMIC UNIVERSITY MALAYSIA
DEPARTMENT OF MANUFACTURING ENGINEERING
NAME: MATRIC NO: DATE:
CLASS/HOME ASSIGNMENT:
MME 1211 SECTION 1 SCALE: DIM:
9
3lass assi)nment9 in'eek 2= 39>2?ome assi)nment9in 'eek = ?9>Note thedimensiono0 the dra'in))i%en
*e-endin) on thedra'in) )i%en. /0notindicate noteNANEin the scale area
3B>B or ?B>B
9.9 mm
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C ,tudent are reDuired to enter:,tudent are reDuired to enter:Email: mme1211drawing@gmail.comEmail: mme1211drawing@gmail.com
Email su(1ect:Email su(1ect: ‘CAD File’‘CAD File’
9.9. Matric NoMatric No : &&&&&&&&&..: &&&&&&&&&..2.2. NameName :: ……………………………………………………………………
".". 3$*
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C $t the end o0 e%ery class student must$t the end o0 e%ery class student must
su(mit the class assi)nment )i%en. ,tudentsu(mit the class assi)nment )i%en. ,tudent
'ill (e )i%en additional 5 minutes a0ter class'ill (e )i%en additional 5 minutes a0ter class
hour to su(mit or 'e 'ill not acce-t thehour to su(mit or 'e 'ill not acce-t theassi)nment .assi)nment .
ATE !"MI!!I$%ATE !"MI!!I$% will no& 'ewill no& 'een&er&ained.en&er&ained.
11
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,tudent are (rin) dra'in) instruments in the,tudent are (rin) dra'in) instruments in the0ollo'in) class! >EEK 2.0ollo'in) class! >EEK 2.
orksorks
so0t'are 0or 3$* lessonsso0t'are 0or 3$* lessons
Please (se !olidWor)s so*&ware &+a&Please (se !olidWor)s so*&ware &+a&
can 'e o'&ained *rom la' &ec+nician.can 'e o'&ained *rom la' &ec+nician.
$&+er ,ersion will res(l& in !olidWor)s$&+er ,ersion will res(l& in !olidWor)sCA le/s0 canno& 'e oened 'CA le/s0 canno& 'e oened 'lec&(rer3&(&or4 and will 'e considered aslec&(rer3&(&or4 and will 'e considered as567 mar).567 mar).
12
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,tudents are encoura)e to -ractise,tudents are encoura)e to -ractise
dra'in)s and 3$* skills (y themsel%es ordra'in)s and 3$* skills (y themsel%es or
(y study )rou- inde-endently(y study )rou- inde-endently
13
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aa /ntroduction/ntroduction
(( asic En)ineerin) *ra'in)asic En)ineerin) *ra'in)
cc *ra'in) ,tandards*ra'in) ,tandards
14
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aa *eFnition :*eFnition : #echnical dra'in) 'hich is used to clearly #echnical dra'in) 'hich is used to clearlydeFne reDuirements 0or en)ineered itemsdeFne reDuirements 0or en)ineered itemsaccordance to standard con%entions 0oraccordance to standard con%entions 0or
layout a--earance si8e etc.layout a--earance si8e etc.
(( ur-ose :ur-ose :
#o accurately and unam(i)uously ca-ture #o accurately and unam(i)uously ca-tureall the )eometric 0eatures o0 a -roduct orall the )eometric 0eatures o0 a -roduct orcom-onent.com-onent.
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cc End )oal :End )oal :
3on%ey all the reDuired in0ormation that3on%ey all the reDuired in0ormation that'ill allo' a manu0acturer to -roduce the'ill allo' a manu0acturer to -roduce the
com-onent.com-onent.
16
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#echnical dra'in)s ser%e one o0 three #echnical dra'in)s ser%e one o0 three
-ur-oses-ur-oses:
VisualizatioVisualizatio
nnDocumentatiDocumentati
ononCommunicatiCommunicati
onon
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+ drawin& !an ,e !reated in 3 was# + drawin& !an ,e !reated in 3 was#
1.1. reehand s%et!hreehand s%et!h
2.2. /sin& t0i!al drawin& instrments/sin& t0i!al drawin& instrments
3.3. /sin& a !om0ter /sin& a !om0ter
19
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The lines are drawn sin& onl 0en!il and erasers
on a ,lan% or &rid 0a0er.
Drawin&s are sall free scale.
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*ra'in) instruments are used to dra'strai)ht
lines circles and cur%es concisely and
accurately.
*ra'in)s are usually made to scale.
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*ra'in) (oardta(le
*ra'in) sheet-a-er
*ra0tin) ta-e
encils
Eraser
,har-ener
#!sDuarestrian)les,cales
3om-ass and di%ider
22
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24
,tandards are a set o0 rules that )o%ern,tandards are a set o0 rules that )o%ern
ho' technical dra'in) are re-resented.ho' technical dra'in) are re-resented.
,o dra'in)s con%ey the same meanin) to,o dra'in)s con%ey the same meanin) to
e%eryone 'ho reads ite%eryone 'ho reads it..
WH WH
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25
Co(n&r
Code
9(ll name
G,$G,$ $N,/$N,/ AAmericanmerican %%ationalational !!tandardtandard
IInstitutenstitute Ia-an Ia-an I/, I/, ; ;a-anesea-anese IIndustrialndustrial !!tandardtandard
GK GK ,, ritishritish !!tandardtandard
$ustrali$ustraliaa
$*$* AAustralianustralian !!tandardtandard
HermanHerman
yy*/N*/N eutscheseutsches IInstitut 0Jrnstitut 0Jr
%%ormun)ormun)
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#rimmed -a-er o0 a #rimmed -a-er o0 asi8e $ $4si8e $ $4
,tandard sheet si8e,tandard sheet si8e
;I! ;I!
$4$4 29 x 2 29 x 2
$"$" 2 x 42 2 x 42
$2$2 42 x 54 42 x 54$9$9 54 x 49 54 x 49
$$ 49 x 99 49 x 99
26
+4
+3
+2
+1
+$
Dimensions in millimeters
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Drawing space
Drawing
space
Title block
d
d
!
!
!Border
lines
1. Type X +$+4
2. Type Y +4 onl
Title block
Sheet size c min d min
+4 1$ 25
+3 1$ 25
+2 1$ 25
+1 2$ 25 +$ 2$ 25
27
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Drawing scaleDrawing scale isis the reduction orthe reduction orenlar)ement o0 the dra'n o(1ect relati%e toenlar)ement o0 the dra'n o(1ect relati%e to
the real o(1ectthe real o(1ect
*esi)nation o0 a scale consists o0 the 'ord *esi)nation o0 a scale consists o0 the 'ord ,3$LEO,3$LEO0ollo'ed (y the indication o0 its ratio as 0ollo's:0ollo'ed (y the indication o0 its ratio as 0ollo's:
,3$LE 9:9 0or 0ull si8e,3$LE 9:9 0or 0ull si8e
,3$LE P:9 0or enlar)ement scales i.e. P Q 9,3$LE P:9 0or enlar)ement scales i.e. P Q 9
,3$LE 9:P 0or reduction scales i.e. P 9,3$LE 9:P 0or reduction scales i.e. P 9 28
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- ie or text hei&ht
- line thi!%ness
- ha0e
- 0a!e ,etween letters
- 0a!e ,etween words
Legibility
Uniformity
Text’s stle on the drawin&
mst hae the followin&
2 0ro0erties
Examples
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Straight Slanted CurvedHorizontal
1 1 2
3
: letter !: letter
1
2
3
4 5
6
": letter
Examples
3$
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# re0resent featres that !an ,e seen in the !rrent iew.
# re0resent featres that !an not ,e seen in the !rrent iew.
# re0resents smmetr 0ath of motion !enters of !ir!les axis of
axismmetri!al 0arts
# indi!ate the sies and lo!ation of featres.
1. #isi$le line
%. Hidden line
&. Center line
2. 'imension line
Extension line (eader line
T+ic)nessT+ic)ness!&le!&le
T+ic) T+ic) T+inT+in
Con&in(o(sCon&in(o(s
as+as+
C+ainC+ain
;isi,le line
1. Dimension line2. Extension line3.
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32
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33
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34
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imensioningimensioning is the -rocess o0 s-eci0yin)is the -rocess o0 s-eci0yin)
-artSs-artSsin0ormation (y usin) o0 lines num(erin0ormation (y usin) o0 lines num(er
sym(ols andsym(ols and
notes.notes.
35
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Extension lines
'imension lines with arrowheads
(eader lines
'imension num$ersor dimension fi&res
)otes
2$
1 3
1 2 3
o
φ1$
- indi!ate the lo!ation on the o,=e!t’s featres that are dimensioned.
- indi!ate the dire!tion and extent of
a dimension and ins!ri,edimension nm,ers.
- indi!ate details of the
featre with a local note.
- lo!al or &eneral note
>16
Example
36
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38
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$l'ays lea%e a$l'ays lea%e a %isi(le )a-%isi(le )a- T 9 mm 0rom aT 9 mm 0rom a
%ie' or center lines (e0ore start dra'in) a%ie' or center lines (e0ore start dra'in) aline.line.Extend the linesExtend the lines 'eond'eond the lastthe last
dimension line 2!" mm.dimension line 2!" mm.
*ood practice
39
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o no&o no& (reak the extension lines as they(reak the extension lines as they
cross any line ty-es e.). %isi(le linecross any line ty-es e.). %isi(le linehidden line or center line i.e. extension linehidden line or center line i.e. extension line
al'ays a continuous line.al'ays a continuous line.
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#he hei)ht o0 num(ers is su))ested to (e #he hei)ht o0 num(ers is su))ested to (e2.5" mm2.5" mm. lace the num(ers at a(out 9 mmlace the num(ers at a(out 9 mm a'o,ea'o,e
andand a& a middlea& a middle o0 ao0 a dimension line 0or /,Adimension line 0or /,A
dimensionin).dimensionin).
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>hen layin) out a dra'in) sheet you 'ill>hen layin) out a dra'in) sheet you 'illneed to consider:need to consider:
the si8e and scale o0 the o(1ect you 'ill sho'the si8e and scale o0 the o(1ect you 'ill sho'
the sheet si8ethe sheet si8ethe measurement system units 0or thethe measurement system units 0or the
dra'in)dra'in)
the s-ace necessary 0or standard notes andthe s-ace necessary 0or standard notes andtitle (locktitle (lock..The object you are drawing is the “star” oThe object you are drawing is the “star” othe setch! "ee# the object near the centerthe setch! "ee# the object near the center
o the sheet! $t should be boldly drawn%o the sheet! $t should be boldly drawn%
using thic &isible lines! 'ae it largeusing thic &isible lines! 'ae it large
enough to fll most o the sheet and so thatenough to fll most o the sheet and so thatdetails show clearldetails show clearl 43
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#here 'ill (e no assi)nment 0or todayU #here 'ill (e no assi)nment 0or todayU
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