Engineering Drawing and Graphics A first year Engineering drawing lecture 1

8/19/2019 Engineering Drawing and Graphics A first year Engineering drawing lecture 1

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ENGINEERINGDRAWING &

GRAPHICS (ME-101)

ANS-AL-R


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COURSE CONTENTS

Introduction: Types of Lies! Le""e#i$! Di%esioi$! Pei' D#*i$ Is"#+%e"s! P'i$ of D#*i$ S,e

Projections: Types of p#oe"ios! o#",o$#p,i p#oep'e of p#oe"ios! fo+# .+#"s! p#oe"io of pp#oe"io of s"#i$," 'ies! e/%p'es *i", ie#e" .+"#es of 'ie! "#+e 'e$", of 'ie! i'i"io "o op'es! p#oe"io of o'i.+e +/i'i#y p'es2

Loci of Points and Generated Curves: Loi of poi"s"#i$," 'ies2 Cy'oi! epiy'ois! i3o'+"es! A#,i%spi#'2


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LA4 OUTLINE

• Iso%e"#i o#",o$#p,i p#oe"ios of so'is5%,ip#"s2 Se"ios of oi"s! s#e* ",#e sys"e%s! +"s o'"s! 6eys o""e#! o+p'i$ e#i$s


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RECOMMENDED 4OO7S

• 8+%e"'s of E$iee#i$ D#*i$ y W##e 92 L+: 9o M2 D+

• E$iee#i$ D#*i$ y D#2 R272 D,*

• Elementary Engineering Drawing by N.D Bhatt

• A frst year Engineering Drawing by A.C. Parkinso


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ENGINEERING DRAWING

• E$iee# is #i$,"'y ''e ;C#e"o#


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8IGURES5S7ETCHES


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8IGURES5S7ETCHES


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CONCLUSIONS

• G#p,i' #ep#ese""io of oe" > Drawing

• Engineering drawing > A #*i$ of oe" ","o"is '' ifo#%"io

- 'i6e actual shape! +#"e si:e! manufacturing

methods, e"2! #e.+i#e fo# i"s os"#+"io2- No os"#+"io5%+f"+#i$ of y (% -%e)e$iee#i$ oe"s is possi'e *i",o+" e$iee#i$ #*


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CLASSI8ICATION O8DRAWING

D#*i$

A#"is"iD#*i$

E$ieei$

D#*i$


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CLASSI8ICATION O8DRAWING

Engineering drawing is completedi!erent from artistic drawing

which are used to e"press aesthephilosophical, and a#stract idea


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CLASSI8ICATION O8ENGINEERING DRAWING

E$iee#

i$D#*i$

M+

CADD


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GOTTLIE4

DAIMLER


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%&'( &'PPE)S I)E)GI)EE*I)G DESIG)• T,e p#oess s"#"s *i", ",e i'i"y "o 3is+'i:e! "o sep#o'e% ",e possi'e so'+"ios2

• T,e! s6e",es #e %e "o #eo# ii"i' ies2

• Ne/"! $eo%e"#i %oe's #e #e"e f#o% ",ose s6e",e#e +se fo# 'ysis2

• 8i''y! e"i' #*i$s o# ?-D %oe's #e %e "o #eop#eise " eee fo# ",e p#o+"io p#oess2

• @is+'i:i$! s6e",i$! %oe''i$! e"i'i$ #ee$iee#s "e,o'o$is"s o%%+i"e s ",ey esi$p#o+"s s"#+"+#es fo# o+# "e,o'o$i' *o#'2


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G*'P&ICSC+-)IC'(I+)• Te,i' #*i$s #e o3e#' %e",oo%%+i"i$ ifo#%"io2

• Des#ip"ios of o%p'e/ p#o+"s o# s"#+"+#es e o%%+i"e *i", #*i$s2

• A esi$e# +ses 3is+'! o3e#' p#oe3is+' i%$e is fo#%e i ",e %i! #e3ie%oie! +'"i%"e'y o%%+i"e "o so%e'se! '' +si$ 3is+' $#p,is p#oesses2


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G*'P&ICSC+-)IC'(I+)• E$iee#s #e #e"i3e peop'e *,o +se "e,i' %eso'3e p#o'e%s2

• T,ey esi$ p#o+"s! sys"e%s! e3ies! s"#+"+i%p#o3e 'i3i$ oi"ios2

• A'",o+$, p#o'e% so'+"ios e$i *i", ",o+$,"s o# i%",e %i of ",e esi$e#! p#ese""io e3ies o%$#p,is ,#*#e sof"*#e #e po*e#f+' "ooo%%+i"i$ ",ose i%$es "o o",e#s2

• As o%p+"e# $#p,is ,3e $#e"e# i%p" i ",e e$iee#i$! e$iee#s *i'' ee e3e#-$#

+e#s"i$ of fi'i"y i $#p,is o%%+i"io


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/0D computer model of the interior of an automo#i

T,is o%p+"e# #ee#i$ of ?-D o%p+"e# %oe' is %o#esi'y +e#s"oo e+se %o#e e"i' is $i3e ",#o+$, "

+se of o'o#! 'i$,"s! s,es s,o*s2


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(&E IP+*(')CE +.G*'P&ICS I) (&E

DESIG) P*+CESS1$ 2isuali3ation:• A po*e#f+' "oo' fo# esi$ e$iee#s is ",e i'i"y "o see",ei# %is ",e so'+"io "o p#o'e%s2

• @is+'i:"io is ",e i'i"y "o %e"''y pi"+#e ",i$s ",o" e/is"2

• Mos" esi$e#s *i'' ii"i''y p"+#e ",ei# %e"' i%$ess6e",i$ ",e% o ppe#2

• So%e"i%es ",ese s6e",es #e 3e#y #o+$, .+i6'y "o p"+#e so%e ee"i$ e"i' i ",e %i of ",e esi$

• W,e o%%+i"i$ oes s6e", "o o",e#s! ",e s6e",

%+s" e #ee


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(&E IP+*(')CE +.G*'P&ICS I) (&E

DESIG) P*+CESS4$ Communication:• T,e seo p,se i ",e $#p,is p#o+e "o s+ppo#" esi$ p#oess is o%%+i"io #*i$s %oe's2

• I ",is p,se yo+# $o' is "o #ee yo+# ii"i' s6e",es yo+# esi$ so'+"io e o%%+i"e "o o",e#s *i"%i$+i"y2

• I o",e# *o#s! yo+ %+s" e 'e "o i%p#o3e ",e '#i"y yo+# $#p,is "o s+, e/"e" "," o",e#s #e 'e "o3is+'i:e yo+# esi$2

• T,is is oe y i$ %o#e e"i' "o yo+# s6e",es! ",e

#e"i$ ?-D %oe' +si$ CAD sof"*#e2


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(&E IP+*(')CE +.G*'P&ICS I) (&E

DESIG) P*+CESS/$ Documentation:• Af"e# ",e esi$ so'+"io is 'i:e! $#p,is is ",eee"i3e *y "o pe#%e"'y #eo# "," so'+"io2 4efo%oe''i$! o+%e""io #*i$s *e#e -D e"i' #"," *e#e opie ",#o+$, p#oess ''e '+ep#i"i$2

• T,ese '+ep#i"s ",e *e#e +se "o p#o+e ",e esi$

• -D e"i' #*i$s s"i'' %y e #e"e! +" ",ei# p#p+#pose is fo# 'e$' #,i3' p+#poses2

• T*o-i%esio' o+%e""io #*i$s fo''o* 3e#ys"# p#"ies so e3e#yoe i ",e e$iee#i$ e

;#e< ",e #*i$s2


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(&E (*'DI(I+)'LDESIG) P*+CESS• T,e esi$ p#oess i3o'3es o#$i:i$ ",e #e"i3'y"i' p#oesses +se "o s"isfy ee o# sop#o'e%2

• S6e",es! #*i$s! o%p+"e# %oe's! p#ese$#p,is #e '' 'i6e "o ",e esi$ p#op#oesses2

• T,e "#i"io' esi$ p#oess is se.+e"i' p#oes e $#o+pe i"o si/ %o# "i3i"ies! e$ii$ie"i"io of ",e p#o'e% ei$ *i", o+%eof ",e esi$2 Te,i' $#p,is is +se ",#o+$,o+

p#oess "o o+%e" esi$ so'+"ios2


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(&E (*'DI(I+)'L DESIGP*+CESS

Engineering Drawing and Graphics A first year Engineering drawing lecture 1

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