5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 1/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 7

KG]

G.  Pencervagn Kg} 

Pencekg}gn $sekfanc! gfgkgd }gkgd }gkgd }gvu velnal penqgjbuncgn khcgj fencgn mgrg

jenmgarlgn }ebgcagn khcgj anful fgn khcgj penca}a fencgn gvgu vgnpg velgngn fgn

fencgn gvgu vgnpg khcgj pengjbgd fgn jencdg}aklgn }gjbuncgn qgnc mhnvanue.

Kanclup penccunggn velnal pencekg}gn fgkgj lhnvrul}a }gncgv kug}+ jekapuva perlgpgkgn+

 oejbgvgn+ rgnclg bgog+ beogng velgn+ papg pe}gv+ papg }gkurgn fgn }ebgcganqg.

Fa}gjpanc unvul pejbugvgn+ prh}e} kg} fgpgv oucg fapercunglgn unvul repgrg}a ja}gknqg

unvul jenca}a kubgnc*kubgnc pgfg mhrgn. Jejbugv kgpa}gn kg} pgfg perlglg} jejpervebgk

bgcagn*bgcagn qgnc }ufgd gu} fgn jgmgj*jgmgj repgrg}a kgannqg.

Pencekg}gn bulgn vuougn uvgjg fgra lhnvrul}a+ vevgpa dgnqg jerupglgn }grgng unvul 

jenmgpga elhnhja pejbugvgn qgnc kebad bgal. Lgreng avu rgnmgncgn kg} fgn mgrg

pencekg}gn dgru} bevuk*bevuk jejperdgvalgn fgn jejperkadgvlgn le}e}ugagn gnvgrg }aigv*

}aigv kg}fencgn lecunggn lhnvrul}a }ervg lecunggn fa}elavgrnqg.

Prh}efur pencekg}gn lekadgvgnnqg }gncgv }eferdgng+ vevgpa }ebengrnqg fa fgkgjnqg bgnqgl 

jg}gkgd*jg}gkgd qgnc dgru} fagvg}a fajgng pejemgdgnnqg jejerkulgn berjgmgj*jgmgj

penncevgdugn.

Lgreng avu fa fgkgj pencekg}gn+ penncevgdugn dgru} vuruv }ervg jenfgjpanca prglvel+

}emgrg kebad verperanma fgpgv falgvglgn bgdsg pergnmgncgn lhnvrul}a bgncungn fgn je}an

fencgn }gjbuncgn kg}+ dgru} farenmgnglgn pukg venvgnc mgrg*mgrg pencekg}gn. Mgrg ana

pejeral}ggn+ bgdgn kg} fgn oena} kg} qgnc glgn facunglgn+ berfg}grlgn iunc}a fgra bgcagn*

bgcagn bgncungn gvgu je}an qgnc fargnmgnc.

Berfg}grlgn feiana}a fgra FAN $Feuvmd Anfu}vrae Nhrjen! kg} gfgkgd algvgn jevgkurca pgfg

}gjbuncgn khcgj pgfugn qgnc fakgl}gnglgn fgkgj legfggn kujer gvgu mgar. Fgra feiana}a

ver}ebuv fgpgv faogbgrlgn kebad kgnouv bgdsg kg} gfgkgd }gjbuncgn }evejpgv fgra bebergpg

bgvgnc khcgj fencgn jenccunglgn enerca pgng}. Pgfg sglvu ana vekgd fapercunglgn kebad

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 2/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 2

fgra 60 oena} pencekg}gn verjg}ul pencekg}gn qgnc fakgl}gnglgn fencgn mgrg jenelgn fug

khcgj qgnc fa}gjbunc }edanccg verogfa algvgn gnvgrg gvhj*gvhj jhkeluk fgra khcgj qgnc

fa}gjbunclgn.lkg}aialg}a fgra mgrg*mgrg pencekg}gn ana glgn favergnclgn kebad kgnouv.

Pgfg sglvu ana pencekg}gn fgn pejhvhncgn jerupglgn pencekg}gn penceroggn qgnc gjgv

penvanc fgkgj velnhkhca prhful}a fencgn bgdgn bglu khcgj. Fgra pervgjg

perlejbgncgnnqg }gncgv pe}gv vekgd bgnqgl velnhkhca bgru qgnc favejulgn. ]edanccg

bhked falgvglgn dgjper vafgl gfg khcgj qgnc fgpgv faphvhnc fgn fa kg} fencgn mgrg*mgrg

qgnc gfg pgfg sglvu ana.

B.  Lkg}aialg}a Mgrg*mgrg Pencekg}gn fgn Pejhvhncgn 

]gjpga pgfg sglvu ana bgnqgl }elgka mgrg*mgrg penclkg}aialg}agn qgnc facunglgn fgkgj

bafgnc kg}+ ana fa}ebgblgn lgreng perku gfgnqg le}epglgvgn fgkgj dgk*dgk ver}ebuv. ]emgrg

lhnyen}ahngk mgrg*mgrg penclkg}aialg}a ver}ebuv pgfg sglvu ana fgpgv fabgca fug chkhncgn+

qgavu lkg}aialg}a berfg}grlgn lerog fgn lkg}aialg}a berfg}grlgn enerca qgnc facunglgn.

Lkg}aialg}a pervgjg jejbgca kg} fgkgj lekhjphl kg} mgar+ kg} velgn+ kg} pgvra fgn kgan*

kgannqg. ]efgnclgn lkg}aialg}a qgnc lefug jejbefglgn gfgnqg lekhjphl*lekhjphl 

}eperva kg} ka}vral+ kg} lajag+ kg} jelgnal fgn }everu}nqg.

Bakg fagfglgn penclkg}aialg}agn qgnc kebad verperanma kgca+ jglg lefug lkg}aialg}a ver}ebuv

fagvg} fabgur fgn glgn verbenvul lekhjphl*lekhjphl qgnc bgnqgl }elgka.

Fagnvgrg lefug mgrg lkg}aialg}a ver}ebuv fagvg} lekadgvgnnqg lkg}aialg}a mgrg lerog kebad

bgnqgl facunglgn lgreng avu penclkg}aialg}agn qgnc favergnclgn fgkgj bgb ana oucg

berfg}grlgn mgrg lerog.

Berfg}rlgn lkg}aialg}a ana pencekg}gn fgpgv fabgca fgkgj vacg lekg} uvgjg qgavu ?

pencekg}gn mgar+ pencekg}gn velgn fgn pejgvragn.

Pencekg}gn mgar gfgkgd mgrg pencekg}gn fajgng }gjbuncgn fapgng}lgn }gjpga jenmgar

fencgn }ujber pgng} fgra bu}ur ka}vral gvgu }ujber gpa cg} qgnc verbglgr.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 3/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce =

Pencekg}gn velgn gfgkgd pmgrg pencekg}gn fajgng }gjbuncgn fapgng}lgn fgn lejufagn

favelgn danccg jenogfa }gvu.

Pejgvragn gfgkgd mgrg pencekg}gn fajgn }gjbuncgn faalgv fgn fa}gvulgn fenncgn

jenccunglgn pgfugn khcgj qgnc jejpunqga vaval mgar renfgd. Fgkgj dgk ana khcgj anful 

vafgl vuruv jenmgar.

Pejhvhncgn qgnc fabgdg} fgkgj bulu ana gfgkgd mgrg jejhvhnc khcgj qgnc fafg}grlgn

gvg} jenmgarlgn khcgj qgnc faphvhnc. Mgrg qgnc bgnqgl facunglgn fgkgj pencekg}gn

gfgkgd pejhvhncgn fencgn cg} hl}acen fgn pejhvhncgn fencgn bu}ur ka}vral.

Pencekg}gn qgnc pgkanc bgnqgl nfacunglgn pgfg sglvu ana gfgkgd pencekg}gn mgar fencgn

bu}ur cg}. Lgreng avu lefug mgrg ver}ebuv qgavu kg} bu}ur ka}vral fgn kg} cg} glgn fabgdg}

}emgrg verpa}gd. ]efgnclgn mgrg*mgrg penncekg}gn qgnc kgan glgn falekhjphllgn fgkgj

}gvu phlhl bgdg}gn. Pejhvhncgn+ lgreng jerupglgn jg}gkgd ver}enfara jglg

pejbgdg}gnnqg oucg fakglulgn }emgrg verpa}gd.

Fabgsgd ana lkg}aialg}a fgra mgrg pencekg}gn ?

g! Pencekg}gn mgar

7.  Kg} cg}

2.  Kg} ka}vral vergl 

=.  Kg} ka}vral cg}

6.  Kg} ka}vral verja}

5.  Kg} ka}vral ekelvrhn

9.  Kg} bu}ur pkg}jg

b! Pencekg}gn velgn

7.  Kg} re}a}ven}a ka}vral 

2.  Kg} vaval 

=.  Kg} pengjpgnc

6.  Kg} bu}ur velgn

5.  Kg} velgn

9.  Kg} vujpuk velgn

3.  Kg} velgn cg}

4.  Kg} vejpg

1.  Kg} ce}el 

70. Kg} kefglgn

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 4/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 6

77. Kg} anful}a

72. Kg} ukvrg}hnam

m! Kg} bu}ur

  Ekelvrhfg verujpgn

f! Kg} bu}ur cg}

7.  Kg} j79

2.  Kg} bu}ur MH2

e! Kg} bu}ur cg} fgn ikul}

7.  Kg} bu}ur MH2 fencgn ekelvrhfg bera}a ikul}

2.  Kg} bu}ur ikul}

=.  Kg} ekelvrhfg bera}a ikul}

6.  Kg} bu}ur ikul}

5.  Kg} ekelvrhfg vervuvup

9.  Kg} bu}ur fencgn ekelvrhfg bera}a ikul}

3.  Kg} bu}ur verenfgj

4.  Kg} bu}ur vgnpg pekanfunc

1.  Kg} Ekelvrhfg vgnpg verujpgn

70. Kg} VAC gvgu kg} shkirgj cg}

M.  Gkgv * gkgv Bgnvu Kg} 

7. Lgbek Kg} 

Lgbek kg} bag}gnqg fabugv fgra vejbgcg qgnc fapakan fgn fabunclu} fgncgn lgrev a}hkg}a

Qgnc fa}ebuv lgbek kg} gfg vacg jgmgj qgavu ?

lgbek ekelvrhfg

lgbek jg}}g

lgbek vengcg

Lgbek ekelvrhfg gfgkgd lgbek qgnc jencdubunclgn pe}gsgv kg} fencgn ekelvrhfg. Lgbek

jg}}g jencdubunclgn pe}gsgv kg} fencgn benfg lerog. Lgbek vengcg gfgkgd lgbek qgnc

jencdubunclgn }ujber vengcg gvgu ograncgn ka}vral fencgn pe}gsgv kg}. Lgbek ana

bag}gnqg verfgpgv pgfg pe}gsgv kg} GM gvgu GM * FM.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 5/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 5

2. Pejecgnc Ekelvrhfg 

Uounc qgnc vafgl ber}ekgpuv fgra ekelvrhfg faoepav fencgn pejecgnc ekelvrhfg. Pejecgnc

ekelvrhfg verfara fgra jukuv penoepav fgn pecgncgn qgnc fabunclu} hked bgdgn penqelgv.

Pgfg sglvu berdenva gvgu }eke}ga jencekg}+ bgcagn pecgncgn qgnc vafgl berdubuncgn

fencgn lgbek facgnvunclgn pgfg cgnvuncgn fgra bgdgn iaber gvgu lgqu.

=. Pgku Kg} 

Pgku Ag} facunglgn unvul jekepg}lgn fgn jencekugrlgn vergl kg} pgfg ogkur Ag} fencgn

 ogkgn jejuluklgn gvgu jencchre}lgn pgfg fgergd kg}.

Berdgva*dgvakgd jejber}adlgn vergl Ag} fencgn pgku Ag} lgreng lejunclangn glgn

jejermal le jgvg gvgu le bgcagn bgfgn kgannqg.

6. ]algv Lgsgv 

Fapercunglgn unvul ?

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 6/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 9

Jejber}adlgn benfg lerog qgnc glgn fakg}

Jejber}adlgn vergl Ag} qgnc }ufgd kepg} fgra ogkur kg} hked pulukgn pgku kg}.

5. Lkej Jg}}g Lkej jg}}g efgkgd }ugvu gkgv unvul jencdubunclgn lgbek jg}}g le benfg lerog.

Bag}gnqg lkej jg}}g fabugv fgra bgdgn fencgn pencdgnvgr ka}vral qgnc bgal }eperva

Vejbgcg gcgr gru} ka}vral fgpgv jencgkar fencgn bgal+ lkej jg}}g ana fakenclgpa fencgn

pecg} qgnc lugv. Qgnc fgpgv jenoepav benfg lerog fencgn bgal .

Sgkgupun fejalagn perjulggn benfg lerog qgnc glgn faoepav fencgn lkej jg}}g dgru}

faber}adlgn verkebad fgduku fgra lhvhrgn*lhvhrgn }eperva lgrgv+ mgv+ janqgl.

9. Vgnc $Penoepav! Penoepav $vgnc! facunglgn unvul jejecgnc gvgu jejanfgdlgn benfg lerog qgnc jg}ad

pgng}.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 7/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 3

F.  PERKENCLGPGN LE]EKGJGVGN LEROG. 

PERKENCLGPGN LE]EKGJGVGN KG] 

7. Dekj Kg} 

Dekj Ag} jgupun vgbar kg} facunglgn unvul jekanfunca lukav julg fgn jgvg fgra }angr kg}

$}angr ukvrg yahkev fgn ukvrg jergd! qgnc fgpgv jeru}gl lukav jgupun jgvg+Dekj kg} ana

fakenclgpa fencgn lgmg ldu}u} qgnc fgpgv jencurgnca }angr ukvrg yahkev fgn ukvrg jergd

ver}ebuv.

]angr Ag} qgnc }gncgv vergnc(lugv avu vafgl bhked fakadgv fgncgn jgvg kgnc}unc }gjpga

 ogrgl 79 jever. Hked lgreng avu pgfg }ggv jencekg} dgru} jencunglgn dekj(lefhl kg}

qgnc fgpgv jengdgn }an}gr kg} fencgn lgmg kg}. Ulurgn lgmg Ag} qgnc fapglga vercgnvunc

pgfg pekgl}gnggn pencekg}gn. Ujujnqg penccunggn lgmg kg} gfgkgd }ebgcga beraluv? Nh.

9. fapglga unvul Ag} vaval Nh. 9 fgn 3 unvul pencekg}gn }gjpga =0 gjper. Nh. 9 unvul 

pencekg}gn fgra =0 }gjpga 35 gjper. Nh. 70 unvul pencekg}gn fgra 35 }gjpga 200 gjper.

Nh. 72. unvul pencekg}gn fgra 200 }gjpga 600 gjper. Nh. 76 unvul pgncekg}gn fagvg} 600

gjper. Unvul jekanfunca lgmg penqgranc ana bag}gnqg pgfg bgcagn kugr jgupun fgkgj

fakgpa}a fencgn lgmg puvad.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 8/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 4

2. ]grunc Vgncgn 

]grunc vgncgn fabugv fgra lukav gvgu g}be} kungl unvul jejufgdlgn jejecgnc pejecgnc

ekelvrhfg. Pgfg sglvu jencekg} dgru} }ekgku fapglga }epg}gnc }grunc vgncgn.

=. Gprhn

Gprhn gfgkgn gkgv pekanfunc bgfgn fgra permalgn buncg gpa qgnc fabugv fgra lukav gvgu fgra

g}be}.

Gfg bebergpg oena}(bgcagn gprhn ?

7!  gprhn kencgn

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 9/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 1

2!  gprhn fgfg

=!  gprhn kenclgp ?

6! 

6. ]epgvu Kg}

]epgvu kg} bercung unvul jekanfunca lgla fgra }ejburgn buncg gpa+ Bakg vafgl gfg }epgvu

kg}+ }epgvu bag}g qgnc vervuvup }ekurudnqg fgpgv oucg fapglga.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 10/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 70

5. Jg}ler Kg} 

Oalg vafgl jejunclanlgn gfgnqg lgjgr kg} fgn yenvakg}a qgnc bgal+ jglg cunglgnkgd

jg}ler kg}+ gcgr verdanfgr fgra g}gp fgn febu kg} qgnc bergmun.

9. Lgjgr Kg} 

Lgjgr Ag} fabugv fgra bgdgn vgdgn.gpa. Lgjgr kg} penvanc gcgr hrgnc qgnc gfg fa}elavgrnqg

vafgl vercgnccu hked mgdgqg kg}.

Unvul jencekugrlgn cg}+ }ebgalnqg lgjgr kg} fakenclgpa fgncgn }a}vaj yenvakg}a? Fafgkgj

lgjgr kg} favejpgvlgn jeog Ag}. Jeog kg} dgru} ber}ad fgra bgdgn*bgdgn qgnc jufgd

verbglgr gcgr verdanfgr fgra lejunclangn verogfanqg lebglgrgn hked permalgn vergl kg} fgn

buncg gpa.

5/14/2018 Definisi Las - slidepdf.com

http://slidepdf.com/reader/full/definisi-las 11/11

 

r a g n a } j g a k @ r h m l e v j g a k . m h j   Pgce 77

3. Oglev kg} 

Oglev pekanfunc bgfgn,vgncgn qgnc vebugv fgra lukav(g}be}