LAS FCAW
OLEH : AHMAD FIRDHAUS 21090114120047
PROGRAM STUDI S1 TEKNIK PERKAPALAN FAKULTAS FAKULTAS TEKNIK TE KNIK UNIVERSITAS DIPONEGORO
FCAW FCAW atau !"a#$a#%a# &a'( F)u* C+'!& A', W!)&(#% -!'u"aa# $!#(. )a. /u.u' )(.t'( &(-a#a &( &a)a- aat )a. t!'&a"at )u* "!)(#&u#% (#t( t!#%a35 La. FCAW "!'ta-a a)( &(!#a)a# "a&a ta3u# 19605 S!,a'a t!#(. FCAW -!u"aa# !)!t'+&a t("! /a'u a#% &a"at &("aa( &a)a- "!#%!)a.a# MIG8 a#% -!-/!&aa# !&ua#a a&a)a3 ,a'a -!)(#&u#%( !)!t'+&a &a'( u&a'a8 &(-a#a FCAW &()(#&u#%( +)!3 (#t( )u* a#% &!#%a# (#( -!-u#%(#a# "!#%!)a.a# &()aua# &( 'ua#% t!'/ua8 .!&a#%a# "!#%!)a.a# MIG &()(#&u#%( +)!3 (#!'t %a. a#% t(&a -!-u#%(#a# u#tu "!#%!)a.a# &( 'ua#% t!'/ua 5
Ga-/a' 15 La. FCAW
Ga-/a' 25 P!#a-"a#% aat )a. FCAW
Flux cored arc welding FCAW -!'u"aa# )a. /u.u' )(.t'( )u (#t( t!#%a3 "!)(#&u#% (#t( t!#%a35 FCAW -!'u"aa# +-/(#a.( a#ta'a "'+.!. SMAW8 GMAW &a# SAW5 Su-/!' !#!'%( "!#%!)a.a# a(tu &!#%a# -!#%%u#aa# a'u. )(.t'( AC atau DC &a'( "!-/a#%(t )(.t'( atau -!)a)u( t'a+ &a# atau '!,t((!'5 FCAW a&a)a3 .a)a3 .atu $!#(. )a. )(.t'( a#% -!-a.+ ())!' !)!t'+&a .!,a'a -!a#(. t!'u. ! &a)a- /u.u' )(.t'( a#% t!'/!#tu &( a#ta'a u$u#% ())!' !)!t'+&a &a# -!ta) (#&u5 Ga. "!)(#&u#%#a $u%a .a-a.a-a -!#%%u#aa# a'/+# &(+*(&a CO 25 ;(a.a#a8 "a&a -!.(# )a. FCAW &(ta-/a3 '+/+t a#% /!'tu%a. u#tu -!#$a)a#a# "!#%!)a.a# /(a.a &(.!/ut &!#%a# .u"!' a#!-+5
F)u* ,+'!& a', !)&(#% atau )a. /u.u' /!'(#t( -('("
&!#%a#
"'+.!.
)a.
GMAW8
)u*
a(tu
-!#%%u#aa# !)!t'+&a .+)(& &a# tu/u)a' a#% &(u-"a#a# .!,a'a +#t(#u &a'( .!/ua3 %u)u#%a#5 E)!t'+&a &(u-"a#a#
Ga-/a' <5 S!-a La. FCAW -!)a)u( gun atau torch .a-/() -!#$a%a /u.u' a#% t!'/!#tu &(a#ta'a u$u#% !)!t'+&a &!#%a# /a.! -!ta)5 FCAW -!#%%u#aa# !)!t'+&a &(-a#a t!'&a"at .!'/u )u* &( &a)a- /ata#%#a5 ;ut('a#/ut('a# &a)a- (#t( aat (#( -!#%3a.()a# .!/a%(a# atau .!-ua .3(!)&(#% %a. a#% &("!')ua#5 =a&( /!')aa#a# &!#%a# GMAW8 &(-a#a .!)u'u3 %a. "!)(#&u#% /!'a.a) &a'( .u-/!' )ua'5 FCAW /(.a $u%a -!#%%u#aa# %a. "!)(#&u#% ta-/a3a#8 t!'%a#tu#% &a'( $!#(. !)!t'+&a8 )+%a- a#% &()a.8 &a# .(at &a'( "!#%!)a.a# a#% &(!'$aa#5 ;!'&a.a'a# -!t+&! "!)(#&u#%8 "!#%!)a.a# FCAW &a"at &(/!&aa# -!#$a&( 2 a(tu :
15
S!) .3(!)&(#% FCAW P!)(#&u#%a# .!#&('(8 a(tu -!'u"aa# "'+.!. -!)(#&u#%( )+%a- )a. a#% -!#,a(' &!#%a# -!#%%u#aa# %a. &a'( 3a.() "!#%ua"a# atau '!a.( &a'( (#t( )u.5
25
Ga. .3(!)&(#% FCAW "!')(#&u#%a# %a. a&a)a3 "!')(#&u#%a# &!#%a# &ua) %a.8 a(tu -!)(#&u#%( )+%a- )a. a#% -!#,a(' &!#%a# -!#%%u#aa# %a. .!#&('( $u%a &(ta-/a3 %a. "!)(#&u#% a#% /!'a.a) &a'( )ua' .(.t!-5 Dua -!t+&! &( ata. .a-a.a-a -!#%3a.()a# t!'a )a. a#% /!'a.a) &a'( )u* &a)a-
aat )a. a#% /!'u#%.( u#tu -!)(#&u#%( )+%a- )a. .aat "'+.!. "!-/!ua#5 Na-u#8 "!'/!&aa# -!t+&! &( ata. t!')!ta "a&a ta-/a3a# .(.t!- "!-a.+ %a. &a# !)&(#% t+',3 !)&(#% %u# a#% &(%u#aa#5 ;!'&a.a'a# ,a'a "!#%+"!'a.(a##a8 FCAW &(/!&aa# -!#$a&( : 15 S!-( +t+-at( .!-( aut+-at(, 25 Ot+-at( -a,3(#! +t+-at( S(at.(at uta-a P'(#,("a) !atu'!. FCAW &a)a- "'+.!. "!#%!)a.a# : 15 P'+&ut(>(ta. a#% +#t(#u &a'( "a.+a# !)!t'+&a )a. 25 S(at -!ta)u'% )a. a#% &a"at &(+#t'+) &a'( "!-()(3a# )u. <5 P!-/!#tua# -a#( )a. a#% ,a(' &a"at &(t+"a#% +)!3 .)a% a#% t!/a) ? uat P!)(#&u#% %a. u-u-#a -!#%%u#aa# %a. CO2 atau ,a-"u'a# CO2 &!#%a# A'%+#5 Na-u# &!#%a# !/!'a&aa# +.(%!# a&a#% aa# -!#(-/u)a# "'+/)!- /a'u a(tu &!#%a# "+'+.(t a#% &(3a.()a# '!a.( CO2 &a# +*%!# a#% a&a &( u&a'a .!(ta' )a.a#8 .!3(#%%a "!')u -!-()(3 )u. a#% -!#%a#&u#% @at a#% /!'.(at "!#%(at +*%!# atau &!+*&(@!'5 M!.(# )a. FCAW -!#u'ut a'u.#a &(/!&aa# -!#$a&( t(%a -a,a- a(tu: 15M!.(# )a. a'u. .!a'a3 atau D('!,t Cu''!#t DC 25M!.(# )a. a'u. /+)a /a)( atau A)t!'#at(#% Cu''!#t AC <5M!.(# )a. a'u. %a#&a 8 a#% -!'u"aa# -!.(# )a. a#% &a"at &(%u#aa# u#tu "!#%!)a.a# &!#%a# a'u. .!a'a3 DC &a# "!#%!)a.a# &!#%a# a'u. /+)a/a)( AC5 M!.(# La. a'u. DC &a"at &(%u#aa# &!#%a# &ua ,a'a a(tu: "+)a'(ta. )u'u. "+)a'(ta. t!'/a)(5
Ga-/a' 45S!-a "!#%!)a.a# FCAW
KOMPONEN KOMPONEN MESIN LAS FCAW 15 Ta/u#% %a. CO 2 Ta/u#% %a. CO2 a&a)a3 ta/u#% a#% &(%u#aa# .!/a%a( t!-"at %a. "!)(#&u#% ('! a#% -!#%%u#aa# %a. a'/+# &(+.(&aCO25
Ga-/a' 65 Ta/u#% %a. CO 2 25 R!%u)at+' R!%u)at+' "a&a %a. CO2 /!'/!&a &!#%a# ta/u#% %a. "a&a u-u-#a a'!#a "a&a /a%(a# /!)aa#% '!%u)at+' t!'&a"at +>!# u#tu -!-a#a.a# %a. CO2 a'!#a %a. CO2 /!'.(at &(#%(#8 $(a t(&a &("a#a.a# -aa aa# t!'$a&( "!#u-/ata# "a&a .a)u'a# %a. /ua#%5 <5 S!)a#% %a. CO2 S!)a#% %a. CO2 a&a)a3 a)at "!#a)u' %a.CO2 ! -!.(#5 45 T+',3 Gu# Sta#% La. Gu# /!'u#%.( .!/a%a( a)at "!#a)u' %a. /ua#% &a# aat ('! "a&a /!#&a !'$a5S!'ta .!/a%a( "!#%3a#ta' -a..a5S!-a /a%(a#/a%(a# T+',3 .ta#% )a. ,a5
Ga-/a' B5 Sta#% )a. 65W!)&(#% W('! W('! "a&a -!.(# FCAW /!'/!&a &!#%a# ('! "a&a u-u-#a a'!#a ('! "a&a FCAW -!-()(( .!)a"ut "!)(#&u#% a#% -!)(#&u#%( 3a.() "!#%!)a.a# &a'( +#ta-(#a.( u&a'a )ua'5
Ga-/a' 75W!)&(#% W('! B5C+#t'+) S.t!K+#t'+) ..t!- a&a)a3 -!.(# a#% &(%u#aa# u#tu -!#%atu' a'u. "a&a -!.(# FCAW +t+-at(.5 75Ka/!) "+!' Ka/!) "+!' a&a)a3 a/!) a#% -!#%3u/u#%a# a#ta'a -!.(# &a# .u"") t!#a%a5 5T'a+ D(%u#aa# u#tu -!#%u/a3 a'u. >+)ta.! "a&a .u"") t!#a%a u#tu -!#%%!'aa# -+t+' "a&a ,+#t'+) /+*5
Ga-/a' 5T'a+
95Ra() D(%u#aa# .!/a%a( &u&ua# ,+#t'+) /+* a%a' &a"at -!)aua# "!#%!)a.a# &!#%a# $a'a a#% "a#$a#%5
KAWAS LAS FCAW La. FCAW a&a)a3 .a)a3 .atu $!#(. )a. )(.t'( a#% -!-a.+ ())!' !)!t'+&a .!,a'a -!a#(. t!'u. ! &a)a- /u.u' )(.t'( a#% t!'/!#tu &( a#ta'a u$u#% ())!' !)!t'+&a &a# -!ta) (#&u5E)!t'+&a "a&a FCAW t!'/uat &a'( -!ta) t("(. a#% &(%u)u#% ,)(#&'(,a) 8 &((.( &!#%a# )u* .!.ua( !%u#aa##a5
Ga-/a' 95 Kaat )a. FCAW P!)(#&u#% "'+.!. "!#%!)a.a# (#( &a'( !-u#%(#a# +#ta-(#a.( &a'( )ua' t!')a.a#a &!#%a# : 15Ga. a#% &(3a.()a# "a&a "'+.!. "!#%!)a.a# 25T!'a .)a% a#% &(3a.()a# ,uu" /a#a a'!#a /!'a&a "a&a (#t( !)!t'+&a <5Ta-/a3a# %a. "!)(#&u#% &a'( )ua' $(a &((#%(#a#5
P'+.!. FCAW "a&a &a.a'#a .a-a &!#%a# GMAW &a# a#% -!#$a&( "!-/!&a uta-a#a a&a)a3 !)!t'+&a#a a#% /!'/!#tu tu/u)a' a#% /!'(.( )u.5E)!t'+&a FCAWG &a"at &(%u#aa# u#tu -!#%!)a. ,a'/+# .t!!)8 )+ a))+ .t!!) &a# .ta(#)!.. .t!!)5
;!'"!&+-a# "a&a AWS8 !)!t'+&a!)!t'+&a a#% &(%u#aa# "a&a "!#%!)a.a# FCAW &(/(,a'aa# "a&a "a.a) 15<5<5 Pa&a "!#%!)a.a# ,a'/+# .t!!) &a# )+ a))+ .t!!)8 $!#(. !)!t'+&a /!'(#t( )u* a#% /a#a &("aa( a&a)a3 : T("! T1 a,(& .)a%8 T("! T2 .(#%)! "a.. !)&(#% 8 &a# T("! T6 /a.(, .)a%5
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E)!t'+&a T("! T1 a,(& .)a% M!-()(( .(at.(at "!#%!)a.a# /a%u.8 t!ta"( a,(& .)a% t(&a -!-/a#tu -!#$a%a
)+%a- )a. -!#$a&( '!#&a3 3&'+%!# !,ua)( /()a &(/uat .!,a'a 3u.u.5 Ha#a .!$u-)a3 t!'t!#tu !)!t'+&a /!'(#t( )u* a#% -!-!#u3( .a'at )+ 3&'+%!# u'a#% &a'( 10 -)100 % )+%a- )a.8 &a# (#( a&a)a3 a#% "a)(#% /a#a t!'.!&(a &a'( $!#(. T15 E)!t'+&a t("! T1 /(.a &(%u#aa# /a( &!#%a# %a. "!)(#&u#% CO2 atau"u# ,a-"u'a# a'%+#CO25 E)!t'+&a T1 aa# -!-()(( /u.u' )!/(3 3a)u. &a# "!',(a# )a. )!/(3 .!&((t /()a -!#%%u#aa# %a. "!)(#&u#% a'%+#CO28 -!.("u# )+%a- )a. -!-"u#a( u#.u' M# &a# S( .!&((t )!/(3 t(#%%(5 E)!t'+&a E0T1 &(&(.a(# 3a#a u#tu -!#%!)a. "a&a "+.(.( &ata' &a# 3+'(@+#ta) .a$a5 E)!t'+&a E1T1 &(/uat u#tu "!#%!)a.a# .!-ua "+.(.( &!#%a# &(a-!t!' 3(#%%a 11B (#,35 •
E)!t'+&a T("! T2 .(#%)! "a.. !)&(#% D('a#,a#% u#tu "!#%!)a.a# .(#%)! "a.. "a&a )+%a-)+%a- /!'a'at8 &a#
-!-"u#a( &!+*(&(@!' M# &a# S( )!/(3 t(#%%(5E)!t'+&a T2 (#( $a#%a# .!a)(a)( &(%u#aa# u#tu "!#%!)a.a# -u)t("a.. a'!#a "!#(#%ata# u#.u' M# &a# S(
-!#!/a/a# t!#.()! .t'!#%t3 )+%a- )a. a#% t(&a t!')a'ut aa# /!'ta-/a3 /!.a' )!/(3 &a'( 100 .(8 .!3(#%%a -!#(-/u)a# -a.a)a3 '!ta !t(a .!&a#% &()a. atau "a&a +#&(.( "!-aa(a# .+u' .!'>(,!5
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E)!t'+&a T("! T6 /a.(, .)a% M!-"u#a( /a.(, .)a% &!#%a# a#&u#%a# 3&'+%!# )+%a- )a. )!/(3 '!#&a3 &a#
-!-"!'/!.a' (-"a,t "'+"!'t(!. &a# &aa ta3a# t!'3a&a" '!ta a#% -!-ua.a#5 M!.("u# &!-((a#8 !)!t'+&a (#( $u%a -!-"u#a( .(at.(at "!#%!)a.a# )!/(3 /u'u &(/a#&(#%a# &!#%a# !)!t'+&a T15 Saat (#( !)!t'+&a T1 t!'/a'u .u&a3 &(!-/a#%a# a#% -!#%%a/u#%a# &ua $!#(. !)!t'+&a a#% "a)(#% /a(8 .!3(#%%a !)!t'+&a T6 -!#$a&( $a'a#% &("aa( )a%(5
KARAKTER MESIN M!.(# )a. FCAW -!#u'ut a'u.#a &(/!&aa# -!#$a&( t(%a -a,a- a(tu -!.(# )a. a'u. .!a'a3 atau D('!,t Cu''!#t DC8 -!.(# )a. a'u. /+)a /a)( atau A)t!'#at(#% Cu''!#t AC &a# -!.(# )a. a'u. %a#&a a#% -!'u"aa# -!.(# )a. a#% &a"at &(%u#aa# u#tu "!#%!)a.a# &!#%a# a'u. .!a'a3 DC &a# "!#%!)a.a# &!#%a# a'u. /+)a/a)( AC5 M!.(# La. a'u. DC &a"at &(%u#aa# &!#%a# &ua ,a'a a(tu "+)a'(ta. )u'u. &a# "+)a'(ta. t!'/a)(5 M!.(# )a. DC "+)a'(ta. )u'u. DC &(%u#aa# /()a t(t( ,a(' /a3a# (#&u t(#%%( &a# a"a.(ta. /!.a'8 u#tu "!-!%a#% !)!t'+&a#a &(3u/u#%a# &!#%a# utu/ #!%at( &a# )+%a- (#&u &(3u/u#%a# &!#%a# utu/ "+.(t(8 .!&a#%a# u#tu -!.(# )a. DC "+)a'(ta. t!'/a)( DC &(%u#aa# /()a t(t( ,a(' /a3a# (#&u '!#&a3 &a# a"a.(ta. !,()8 u#tu "!-!%a#% ())!'#a &(3u/u#%a# &!#%a# utu/ "+.(t( &a# )+%a- (#&u &(3u/u#%a# &!#%a# utu/ #!%at(5 P()(3a# !t(a -!#%%u#aa# DC "+)a'(ta. #!%at( atau "+.(t( a&a)a3 t!'uta-a &(t!#tua# !)!t'+&a a#% &(%u#aa#5
;!/!'a"a ())!' FCAW &(&!.a(# u#tu &(%u#aa# 3a#a DC atau DC5 F())!' )a(# &a"at -!#%%u#aa# !&ua#a DC &a# DC5
KELE;IHAN DAN KEKURANGAN •
K!)!/(3a#
P'+.!. FCAWG -!-"u#a( !u#%%u)a# a(tu "!#!t'a.(#a )!/(3 &a)a- &a# )a$u "!#%(.(a# )!/(3 t(#%%( &(/a#&(#%a# &!#%a# "'+.!. SMAW5 D!#%a# &!-((a# "'+.!. )a. (#( -!#$a&( )!/(3 !+#+-(. "a&a "!!'$aa# &( /!#%!)/!#%!) )a.5 U#.u'u#.u' "a&ua# /(.a &(ta-/a3a# "a&a (#t( )u* u#tu -!-/uat $!#(. +-"+.(.( -!#$a&( )!/(3 /a#a8 t!'-a.u /!/!'a"a )+%a- "a&ua# '!#&a3 &a# .ta(#)!.. .t!!)5 F)u* -!-/!'(a# "!')(#&u#%a# /a%u. "a&a aa3 )a. &!#%a# -!-/!#tu .!)u/u#% %a. "!)(#&u#% &a# )a"(.a# .)a%5 M!.("u# &!-((a#8 "'+.!. (#( t(&a -!#t+)!'(' t(u"a# a#%(# )!/(3 &a'( 6 -"3 ta#"a "+'+.(t /!')!/(3a#5 FCAWG ,+,+ u#tu "!#%!)a.a# .!-ua "+.(.( ta#"a -!#(-/u)a# -a.a)a3 lack of fusion.!"!'t( a#% t!'&a"at "a&a GMAW 3u/u#%a# .(#%at5 F())!' -!ta) FCAWSS -!#%3()a#%a# !/utu3a# t!'3a&a" %a. "!)(#&u#% &a'( )ua' &a# -!#t+)!'a#.( +#&(.( a#%(# a#% )!/(3 uat ta#"a -!#(-/u)a# "+'+.(t5 P'+.!. (#( &(a#%%a" .a-a &!#%a# "'+.!. !)!t'+&a t!'/u#%u. t!'3a&a" t+)!'a#.( a#%(#5 D!#%a# $u'u )a. a#% &()at(3 &!#%a# /a( &a# "!#%aa.a# a#% /!'3at(3at(8 FCAWSS /(.a &(%u#aa# u#tu "!#%!)a.a# &a'( a'a3 .atu .(.(8 "a&a .a-/u#%a# TK .!"!'t( .t'utu' a#$u#%a# )!"a. "a#ta( u#tu -!#%%a#t(a# !)!t'+&a t!'/u#%u.5 FCAWSS $u%a /(.a &(%u#aa# u#tu ()) "a.. "!#%!)a.a# .!-ua "+.(.( "a&a /utt !)& atau ())!t !)&5 =u'u )a. "!')u &()at(3 &!#%a# "'+.!&u' 3u.u. t!ta"( "'+.!. t!'.!/ut -u&a3 &("aa(5 A")(a.( "'+.!. FCAWSS -!)("ut( "!#%!)a.a# /!#&a/!#&a t!/a)8 "("!)(#!. &a# "!)a"(.a#5
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K!u'a#%a#
FCAWG &a# FCAWSS !&ua&ua#a -!-/!#tu )a"(.a# .)a% a#% 3a'u. &(((. &(a#ta'a )a"(.a#)a"(.a# )a.5 ;a( FCAWG atau"u# FCAWSS /ua# -!'u"aa# "'+.!. )+ 3&'+%!# ())!' -!ta) 3a'u. &(/!)( &a'( "a/'( !)!t'+&a a#% &()!#%a"( &!#%a# .a'at.a'at )+ 3&'+%!#5 P!#%!)a.a# a#% &()aua# &!#%a# "'+.!. (#( &a"at -!#(-/u)a# notch toughness a#% /u'u5 F())!' -!ta) a#% &(%u#aa# 3a'u. -!-!#u3( "!'.a'ata# u$( (-"a .!"!'t( !)!t'+&a T18 T6 &a# T5 E)!t'+&a!)!t'+&a (#( u-u-#a -!-()(( a#&u#%a# 3&'+%!# )!/(3 '!#&a3 &a# -!-"u#a( "!'.a'ata# (-(a 3u.u. u#tu -!#%3a.()a# .(at a#% )!/(3 +#.(.t!#5 P'+.!. "!#%!)a.a# FCAW G t(&a /+)!3 &()aua# a"a/()a !,!"ata# a#%(# )!/(3 &a'( 6 -"3 a'!#a a&a '!.(+ "+'+.(t /!')!/(3a#5 M!#a(a# a)('a# %a. u#tu -!#%ata.( 3!-/u.a# a#%(# a#% t(#%%( /ua# -!#!)!.a(a# -a.a)a38 a'!#a &a"at -!#(-/u)a# +#&(.( a#% )!/(3 /u'u a'!#a -!#%3a.()a# tu'/u)!#.( a#% aa# -!#a'( u&a'a &(.!(ta'#a5 P'+.!. FCAWG -!#%3a.()a# )!/(3 /a#a a.a" &a'( "a&a aat .+)(& GMAW5 Kaat FCAWSS /a3a# -!#(-/u)a# )!/(3 /a#a a.a"8 .!3(#%%a "a&a "!!'$aa# &( /!#%!)/!#%!) )a.
&(/utu3a# >!#t()a.(
a#% -!-a&a(
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