laporan akhir harry rudi saragih 1207121235
TRANSCRIPT
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LAPORAN AKHIR
PROSES PRODUKSI IPENGELASAN
Disusun Oleh
Nama : HARRY RUDI SARAGIH
NIM : 120712123
PROGRAM STUDI S1 TEKNIK MESIN FAKULTAS TEKNIK
UNIVERSITAS RIAU
201!
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KATA PENGANTAR
Se"ala #u$i s%u&u' #en%usun #an$a(&an &e#a)a Allah S*+, &a'ena a(as
&asih )an &a'unia-N%a #en%usun )a#a( men%usun La#.'an A&hi' P'a&(i&um
Pengelasanini/
La#.'an ini )iha'a#&an )a#a( )i#e'"una&an a"i #a'a #emaa un(u&
memahami )an mem#ela$a'i #en"e'$aan Pen"elasan )en"an Ase(eline/
Pen%usun men%a)a'i aha La#.'an ini (i)a& lu#u( )a'i &e&u'an"an/ Un(u&
i(u #en%usun men"ha'a#&an &'i(i& )an sa'an %an" meman"un )a'i #emaa
un(u& &esem#u'naan la#.'an ini &e)e#ann%a/ A&hi' &a(a #en%usun men"ua#&an
(e'ima&asih/
Pe&ana'u, O&(.e' 201!
HARRY RUDI SARAGIH
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DAFTAR ISI
KA+A PNGAN+AR..........................................................................i
DA4+AR ISI..................................................................................ii
DA4+AR GAM5AR.........................................................................iv
DA4+AR +A5L.............................................................................v
DA4+AR NO+ASI...........................................................................vi
5A5 I..........................................................................................2
PNDAHULUAN............................................................................2
1/1 La(a' 5ela&an"...........................................................................2
1/2 +u$uan....................................................................................2
1/3 Man6aa(...................................................................................2
1/! Sis(ema(i&a Penulisan La#.'an..........................................................3
5A5 II.........................................................................................4
+ORI DASAR...............................................................................4
2/1 Las O%- Ae(%lene 8OA*9..............................................................4
2/2 5a"ian-a"ian U(ama 8las ae(%lene9...................................................4
2/3 A#i Las OA*............................................................................7
2/! P.sisi Pen"elasan.......................................................................10
2/ enis ;enis Samun"an Las...........................................................11
2/< Kam#uh Las............................................................................14
2/< Pe'ala(an Keselama(an Dalam Pen"elasan............................................16
5A5 III......................................................................................19
ALA+ DAN 5AHAN.......................................................................19
3/1 Ala(......................................................................................19
3/2 5ahan...................................................................................20
3/3 Ala( Pe'len"&a#an Keselama(an.......................................................20
5A5 I=......................................................................................21
PROSDUR KRA........................................................................21
!/1 P'.se)u' Ke'$a..........................................................................21
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!/2 P'.se)u' Ke'$a A&hi'...................................................................21
5A5 =.......................................................................................22
PM5AHASAN............................................................................22
/1 Pe'hi(un"an..............................................................................22
/2 Analisis.................................................................................22
5A5 =I......................................................................................24
KSIMPULAN DAN SARAN.............................................................24
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DAFTAR GAMBAR
Gambar 2. 1Pengerjaan Las Asetien..................................................4
Gambar 2. 2Ta!"ng A#et$ene..........................................................4
Gambar 2. 3 Ta!"ng O%sigen...........................................................5
Gambar 2. 4 Reg"at&r...................................................................5
Gambar 2. 5 Seang 'H&se(..............................................................6
Gambar 2. 6 Setang Las 'T&r#)(........................................................7
Gambar 2. 7 Nyala Karburasi......................................................8
Gambar 2. 8 n$aa O%si*asi.............................................................8
Gambar 2. 9 N$aa Netra...............................................................9
Gambar 2. 10 P&sisi Di!a+a) Tangan................................................10
Gambar 2. 11 P&sisi Sejajar Tangan..................................................10Gambar 2. 12 P&sisi O,er)ea*........................................................11
Gambar 2. 13 Sa-!"ngan Te-"......................................................11
Gambar 2. 14 Sa-!"ngan Sisi........................................................12
Gambar 2. 15 Sa-!"ngan T"-.ang.................................................12
Gambar 2. 16 Sa-!"ngan S"*"t.....................................................13
Gambar 2. 17 Sa-!"ngan T..........................................................13
Gambar 2. 18 Ka-.") V..............................................................14
Gambar 2. 19 Ka-.") / V...........................................................14
Gambar 2. 20 Ka-.") / V...........................................................14
Gambar 2. 21 Ka-.") K..............................................................15
Gambar 2. 22 Ka-.") D&"!e U.....................................................15
Gambar 2. 23 Ka-.") I...............................................................15
Gambar 2. 24 T&.eng Las.............................................................16
Gambar 2. 25 A.r&n...................................................................16
Gambar 2. 26 Sar"ng Tangan Las....................................................16
Gambar 2. 27 Se.at" Sa0et$...........................................................17
Gambar 2. 28 Ka#a-ata Las..........................................................17
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DAFTAR TABEL
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DAFTAR NOTASI
Si-!&
HI
I
>
=
(
L
Keterangan
Hea( in#u(
Kua( a'us
Kee#a(an
+e"an"an
*a&(u
Pan$an" lin(asan
Sat"an
?meni(
Am#e'e
M?meni(
=.l(
De(i&
m
BAB I
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PENDAHULUAN
11 Latar Bea%ang
Pen"elasan me'u#a&an #en"e'$aan %an" ama( san"a( #en(in" )alam
(e&n.l."i #'.)u&si )en"an ahan a&u l."am/ Da'i #e'(ama
#e'&eman"ann%a %an" san"a( #esa( (elah an%a& (e&n.l."i a'u %an"
)i(emu&an/ Saa( se&a'an" ini (elah )i#e'"una&an leih )a'i !0 $enis
#en"elasan (e'masu& #en"elasan %an" )ila&sana&an )en"an a'a mene&an
)ua l."am %an" )isamun" sehin""a (e'$a)i i&a(an )en"an a(.m- a(.m
mele&ul )a'i l."am %an" )isamun"&an/
Pen"elasan me'u#a&an #e&e'$aan )asa' )alam (e&ni&
#en%amun"an l."am, sehin""a a&an san"a( se'in" )i$um#ai )alam )unia
in)us('imau#un &ehi)u#an seha'i-ha'i, .leh sea i(u )iha'a#&an #a)a
mas%a'a&a( mau#un mahasisa (e'u(ama Mahasisa u'usan +e&ni&
Mesin a"a' )a#a( mem#ela$a'i )an men"uasai (e&ni& #en"elasan ini
sea"ai e&al saa( e&e'$a )i )unia in)us('i/
12 T"j"an
+u$uan )a'i P'a&(i&um Pen"elasan ini a)alah sea"ai e'i&u( :
1/ Da#a( men"e(ahui )an men"e'(i (en(an" #en"elasan
2/ Da#a( men".#e'asi&an a(au men""una&an Las O%- Ae(%lene
3/ Da#a( Men"e(ahui enis-enis )an sim.l-sim.l #en"elasan/
!/ Da#a( men"e(ahui #e'len"&a#an &eselama(an &e'$a #en"elasan
13 Man0aat
Man6aa( )a'i #'a&(i&um #en"elasan ini %ai(u a"a' &i(a isa
mem#ela$a'i )an memahami #en"e'(ian, $enis-$enis, (e&ni& se'(a semua hal
%an" e'&ai(an )en"an #en"elasan, sehin""a &i(a )a#a( mem#'a&(e&&an
)an men"a#li&asi&ann%a )alam &ehi)u#an seha'i- ha'i )an #as(in%a a&an
san"a( e'"una )i )unia &e'$a
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14 Siste-ati%a Pen"isan La.&ran
A)a#un sis(ema(i&a #enulisan La#.'an P'a&(i&um Pen"elasan ini
a)alah sea"ai e'i&u( :
BAB I 5 PENDAHULUAN
5e'isi men"enai La(a' 5ela&an", +u$uan, Man6aa( )an Sis(ema(i&a
Penulisan/
BAB II 5 TEORI DASAR
5e'isi (en(an" #en"e'(ian #en"elasan, &lasi6i&asi #en"elasan
sam#ai )en"an #e'ala(an &eselama(an &e'$a )alam #en"elasan/
BAB III 5 ALAT DAN BAHAN
5e'isi Ala( )an 5ahan %an" )i"una&an saa( P'a&(i&um/
BAB IV 5 PROSEDUR KER6A
5e'isi P'.se)u' Umum )an P'.se)u' 5en)a Ke'$a/
BAB V 5 PEMBAHASAN
5e'isi Pe'hi(un"an )an Analisa
BAB VI 5 KESIMPULAN DAN SARAN
5e'isi Kesim#ulan )an Sa'an )a'i #'a&(i&um mesin 5uu(/
DAFTAR PUSTAKA
LAMPIRAN
BAB II
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TEORI DASAR
21 Las O7$8 A#et$ene 'OA9(
Pen"elasan O%-Ae(%lene a)alah #'.ses #en"elasan %an" sume'
#anasn%a e'asal )a'i #ema&a'an "as ae(%lene )an "as .&si"en, #a)a
#en"elasan ini ahan (amah 86ille' me(al9 )i(amah&an )a'i lua'/
Rea&si %an" (e'$a)i )alam (aun" ase(ilen, a)alah sea"ai e'i&u( :
@a@2 2H2O @a8OH92 @2H2
Gambar 2. 1Pengerjaan Las Asetien
22 Bagian8!agian Uta-a 'as a#et$ene(
A)a#un a"ian-a"ian u(ama las .%-ae(%lene a)alah sea"ai e'i&u(:
1 Ta!"ng Gas Acetylene
K.m#.nen ini e'"una sea"ai (em#a( #enam#un"an "as acetylene
%an" a&an )i"una&an selama #'.ses #en"elasan, 6un"si )a'i "as
acetylenea)alah sea"ai sume' ahan a&a' #a)a #en"elasan las oxy-
acetylene.
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Gambar 2. 2Ta!"ng A#et$ene
2/ +aun" Gas O&si"en
5e'6un"si un(u& menam#un" "as .&si"en %an" a&an )i"una&an selama
#'.ses #en"elasan, 6un"si .&si"en a)alah un(u& menai&&an suhu a#i
#en"elasan &e(i&a e'am#u' )en"an "as acetylene.
Gambar 2. 3 Ta!"ng O%sigen
3 Reg"at&r
Re"ula(.' e'6un"si un(u& men"e(ahui (e&anan isi (aun" .&si"en )an
acetylene )an un(u& men"a(u' (e&anan &e'$a %an" )uu(uh&an/
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Gambar 2. 4 Reg"at&r
5a"ian-a"ian )a'i 'e"ula(.' a)alah:
1. Manometer Tekanan Isi
5e'6un"si sea"ai (em#a( #emaaan s&ala (e&anan isi (aun"/
2. Manometer Tekanan Kerja
5e'6un"si sea"ai (em#a( #emaaan s&ala #en"a(u' (e&anan &e'$a
%an" a&an )i"una&an/
A)a#un a'a un(u& me""una&an 'e"ula(.' a)alah sea"ai e'i&u(:
Ka(u# u(ama #a)a (aun" .&si"en )an acetylene )iu&a/
S&ala #a)a man.me(e' (e&anan isi a&an nai& men"i&u(i (e&anan isi
(aun" .&si"en )an acetylene.
Ka(u# 'e"ula(.' )i#u(a' sea'ah $a'um $am ma&a s&ala (e&anan &e'$a
a&an nai&/
4 Seang 'Hose(
Selan" 8Hose9 )i"una&an un(u& men"ali'&an "as acetylene)an .&si"en
)a'i (aun" %an" melalui 'e"ula(.' %an" a&an menu$u &e se(an" las
8torch9/
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Gambar 2. 5 Seang 'H&se(
: Setang Las 'Torch(
Se(an" Las 8Torch9 e'6un"si sea"ai (em#a( #enam#u' "as acetylene
)en"an "as .&si"en, #a)a se(an" las (e')a#a( &a(u# acetylene)an &a(u#
.&si"en %an" e'6un"si un(u& men"a(u' esa'n%a "as %an" a&an
)i&elua'&an, #a)a se(an" las $u"a (e')a#a( nozzle %an" e'6un"si
sea"ai (em#a( #ema&a'an am#u'an "as acetylene)an .&si"en/
Gambar 2. 6 Setang Las 'T&r#)(
23 A.i Las OA9
N%ala hasil #ema&a'an )alam las .&si-ase(ilen )a#a( e'uah
e'"an(un" #a)a #e'an)in"an an(a'a "as .&si"en )an "as ase(ilenn%a/
6ENIS ;6ENIS API LAS
A)a (i"a maam n%ala a#i )alam las .&si-ase(ilen se#e'(i )i(un$u&&an
#a)a "ama' )i aah :
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a N$aa asetien e!i) 'n$aa %ar!"rasi(
5ila (e'lalu an%a& #e'an)in"an "as ase(ilen %an" )i"una&an
mBa&a )i an(a'a &e'uu( )alam )an &e'uu( lua' a&an (imul &e'uu(
n%ala a'u e'a'na i'u/ Di an(a'a &e'uu( %an" men%ala )an
seluun" lua' a&an (e')a#a( &e'uu( an(a'a %an" e'a'na &e#u(ih-
#u(ihan, %an" #an$an"n%a )i(en(u&an .leh $umlah &eleihan ase(ilen/
Hal ini a&an men%ea&an (e'$a)in%a &a'u'isasi #a)a l."am ai'/
N%ala ini an%a& )i"una&an )alam #en"elasan l."am m.nel, ni&el,
e'a"ai $enis a$a )an e'maam-maam ahan #en"e'asan
#e'mu&aan n.n-6e'.us/
Gambar 2. 7 Nyala Karburasi
/ N$aa &%sigen e!i) 'n$aa &%si*asi(
5ila "as .&si"en leih )a'i#a)a %an" )iu(uh&an un(u&
men"hasil&an n%ala ne('al ma&a n%ala a#i men$a)i #en)e& )an a'na
&e'uu( )alam e'uah men$a)i un"u/ N%ala ini a&an men%ea&an
(e'$a)in%a #'.ses .&si)asi a(au )e&a'u'isasi #a)a l."am ai'/ N%ala
%an" e'si6a( .&si)asi ini ha'us )i"una&an )alam #en"elasan 6usi.n
)a'i &unin"an )an #e'un""u namun (i)a& )ian$u'&an un(u& #en"elasan
lainn%a/
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Gambar 2. 8 n$aa O%si*asi
# N$aa netra
N%ala ini (e'$a)i ila #e'an)in"an an(a'a .&si"en )an ase(ilen
se&i(a' sa(u/ N%ala (e')i'i a(as &e'uu( )alam %an" e'a'na #u(ih
e'sina' )an &e'uu( lua' %an" e'a'na i'u enin"/ O&si"en %an"
)i#e'lu&an n%ala ini e'asal )a'i u)a'a/ Suhu ma&simum se(in""i 3300
sam#ai 300 .@ (e'a#ai #a)a u$un" n%ala &e'uu(/
Gambar 2. 9 N$aa Netra
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2/ @a'a Mema(i&an A#i Las O%-Ae(%lene/
+u(u# &a(u# .&si"en #a)a (.'h hin""a 'a#a(/
+u(u# &a(u# ae(%lene #a)a (.'h hin""a 'a#a(/
+u(u# &a(u# #a)a masin"-masin" (aun" )an &elua'&an "as sisa
%an" (e'#e'an"&a# )i)alam selan"
24 P&sisi Pengeasan
1 P&sisi Di!a+a) Tangan
Pa)a #.sisi ini en)a &e'$a %an" a&an )ilas e'a)a )ia"ian aah
(an"an welder.
Gambar 2. 10 P&sisi Di!a+a) Tangan
2 P&sisi Sejajar Tangan
Pa)a #.sisi ini en)a &e'$a %an" a&an )ilas e'a)a se$a$a' (an"an
welder, )imana (e')a#a( )ua a'ah #en"elasan %ai(u h.'iC.n(al )an
>e'(i&al/
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Gambar 2. 11 P&sisi Sejajar Tangan
3 P&sisi Diatas Ke.aa
#a)a #.sisi ini en)a &e'$a %an" a&an )ilas e'a)a )ia(as &e#ala
welder.
Gambar 2. 12 P&sisi O,er)ea*
2: 6enis ;6enis Sa-!"ngan Las
1 Sa-!"ngan Te-" 'B"tt 6&int(
Samun"an sei)an" )i#a&ai (e'u(ama un(u& men%amun" u$un"-
u$un" #la( )a(a' )en"an &e(ealan %an" sama a(au ham#i' saMa/
Keun(un"an u(ama $enis samun"an ini ialah men"hilan"&an
e&sen('isi(as %an" (imul #a)a samun"an lea(an (un""al/ Ke'u"ian
u(aman%a ialah u$un" %an" a&an )isamun" iasan%a ha'us )isia#&an
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sea'a &husus 8)i'a(a&an a(au )imi'in"&an9 )an )i#e'(emu&an sea'a
ha(i-ha(i seelum )ilas/
Gambar 2. 13 Sa-!"ngan Te-"
2 Sa-!"ngan Sisi 'E*ge 6&int(
Samun"an sisi umumn%a (i)a& s('u&(u'al (e(a#i #alin" se'in"
)i#a&ai un(u& men$a"a a"a' )ua a(au leih #la( (e(a# #a)a i)an"
(e'(en(u a(au un(u& mem#e'(ahan&an &ese$a$a'an 8ali"nmen(9 aal/
Gambar 2. 14 Sa-!"ngan Sisi
3 Sa-!"ngan Saing T"-.ang 'La. 6&int(
Samun"an lea(an me'u#a&an $enis %an" #alin" umum/
Samun"an ini mem#un%ai )ua &eun(un"an u(ama: Mu)ah )isesuai&an/ P.(.n"an (e'seu( )a#a( )i"ese' un(u&
men"a&.m.)asi &esalahan &eil )alam #emua(an a(au un(u&
#en%esuaian #an$an"/
Mu)ah )isamun"/ +e#i #.(.n"an %an" a&an )isamun" (i)a&
meme'lu&an #e'sia#an &husus )an iasan%a )i#.(.n" )en"an n%ala
8a#i9 a(au "ese'an
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Keun(un"an lain samun"an lea(an a)alah mu)ah )i"una&an
un(u& men%amun" #la( %an" (ealn%a e'lainan/
Gambar 2. 15 Sa-!"ngan T"-.ang
4 Sa-!"ngan S"*"t '
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Gambar 2. 17 Sa-!"ngan T
2= Ka-.") Las
1/ Kam#uh =
Gambar 2. 18 Ka-.") V
2/ Kam#uh =
Gambar 2. 19 Ka-.") / V
3 Ka-.") >
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Gambar 2. 20 Ka-.") / V
!/ Kam#uh K
Gambar 2. 21 Ka-.") K
: Ka-.") D&"!e U
Gambar 2. 22 Ka-.") D&"!e U
= Ka-.") I
Gambar 2. 23 Ka-.") I
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2= Peraatan Kesea-atan Daa- Pengeasan
5e'i&u( ini a)alah #e'ala(an &eselama(an %an" a$i )i#a&ai
selama#en"elasan :
1. Toeng !as
+.#en" Las e'6un"si un(u& melin)un"i a$ah )an ma(a el)e' )a'i
#e'i&an a#i las se'(a sina' ul('a>i.le(/
Gambar 2. 24 T&.eng Las
2. "ron
A#'.n e'6un"si un(u& melin)un"i (uuh welder)a'i #e'i&an a#i las/
Gambar 2. 25 A.r&n
#. $ar%ng Tangan !as
Sa'un" (an"an las e'6un"si un(u& melin)un"i (an"an welder )a'i
#e'i&an a#i las )an sina' ul('a>i.le(/
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Gambar 2. 26 Sar"ng Tangan Las
&. $eat% $a'ety
Se#a(u sa6e(% e'6un"si un(u& melin)un"i &a&i welder)a'i#e'i&an a#i
las, a'us lis('i& )an en)a e'a( se'(a (a$am/
Gambar 2. 27 Se.at" Sa0et$
(. Kacamata !as
Kaama(a las e'6un"si un(u& melin)un"i ma(a )a'i #e'i&an un"a
a#i )an un(u& memu)ah&an welderun(u& meliha( ai'an l."am las/
Gambar 2. 28 Ka#a-ata Las
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BAB III
ALAT DAN BAHAN
31 Aat
Aat .a*a Las OA9 'O7$ A#et$ene 9e*ing(
1/ +aun" .&si"en
Sea"ai (em#a( "as .&si"en %an" men$a)i ahan a&a'
)a'i las OA*
2/ +aun" acetylene
Sea"ai (em#a( "as %an" men$a)i ahan a&a' )a'i las
OA*
3/ Re"ula(.'
Sea"ai (em#a( #en"a(u' (aun" (e&anan )a'i "as .&si"en
)an ae(%len
!/ +.'h
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+em#a( #eme"an" s(an" )an (em#a( men"a(u' am#u'an
"as ae(%lene )an .&si"en,(.'h men$a)i (em#a(
#ema&a'an?&elua'n%a usu' a#i #en"elasan/
/ Me$a Ke'$a
sea"ai (em#a( mele(a&&an en)a &e'$a %an" a&an )ilas
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BAB IV
PROSEDUR KER6A
!/1 P'.se)u' Ke'$a
A)a#un #'.se)u' &e'$a #a)a Las OA* a)alah sea"ai e'i&u( :
1/ 5u&a &a(u# #a)a (aun" .&si"en )an ase(%lene/
2/ +e&anan #a)a (aun" .&si"en )i a(u' #a)a (e&anan 0/ a' #a)a
'e"ula(.'/
3/ +e&anan #a)a ae(%lene )i a(u' #a)a (e&anan 1/ a' #a)a
'e"ula(.'/
!/ Sia#&an ahan %an" a&an )i las )an le(a&&an )i a(as me$a las/
/ Ae(%lene )i&elua'&an )en"an a'a memu(a' (.'h lalu a#i
)in%ala&an )en"an a'a mema(i&an #ema(i& sehin""a a#in%a#un hi)u#/
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1/ Ka(u# "as .&si"en #a)a s(an" las )i(u(u# )en"an a'a )i#u(a'/
2/ Ka(u# "as ae(%lene #a)a s(an" las )i(u(u#/
3/ Ka(u# u(ama #a)a &e)ua (aun" "as )i(u(u# )en"an men""una&an&uni/
!/ Pe'an"&a( #en"elasan OA* )i'a#i&an seelum #en"um#ulan en)a
&e'$a/
BAB V
PEMBAHASAN
:1 Per)it"ngan
Pe'hi(un"an OA*
P F 100mm
L F !0mm
Diame(e' 3 'i"i, $a)i $a'a& (ia# 'i"i
!0mm : 3F 13,33mm
Diame(e' 'i"i F 13,33:3F !,!3mm?'i"i
Penamahan lea' en)a &e'$a !0mm $a)i
5en)a A en)a 5
!0mm !0mm F E0mm
Penmahan #an$an" en)a &e'$a
5en)a A en)a 5
100mm 100mm F 200mm
:2 Anaisis
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A)a#un analisis #a)a #en"elasan O%- Ae(eline a)alah sea"ai
e'i&u( :
1/ Saa( #en"elasan se'in" (e'$a)i le(u#an #a)a u$un" n.CCle, hal i(u
)isea&an .leh U$un" n.CCle %an" &.(.', .leh sea i(u u$un"
n.CCle #e'lu )ie'sih&an )en"an men""una&an si&a( &aa(/
2/ Ke(e'am#ilan san"a( )iu(uh&an )alam mela&u&an #en"elasan
ase(eline, &a'ena iasan%a las O%-Ae(%line )ila&u&an un(u&
en)a &e'$a %an" san"a( (i#is/ A#aila (i)a& (e'am#il )alam
mela&u&an #en"elasan, ma&a a&an men"a&ia(&an hasil #en"elasan
%an" (i)a& sesuai )en"an %an" )i'enana&an/ Pen"elasan %an"
(e'lalu e#a(, isa men"a&ia(&an ele&('.)a a(au #un en)a &e'$an
(i)a& masa& a(au meleleh )an leih mu)ah le#as/ Se)an"&an ila
#en"elasan%a (e'lalu lama, en)a &e'$a &an meleleh )an
men"a&ia(&an (e'en(un%a luan"-luan" #a)a en)a &e'$a/
3/ Gas ae(%lene %an" (e&anann%a ham#i' hais men"a&ia(&an hasil
'i"i-'i"i las men$a)i $ele&/
!/ Peme'ian ahan (amah %an" (e'lalu an%a& men"a&ia(&an 'i"i
las men$a)i (eal sehin""a susah un(u& )ileleh&an &emali/
/ Saa( #en"elasan, l."am in)u& %an" (i)a& meleleh sem#u'na
men"a&ia(&an l."am isiian (i)a& )a#a( men%a(u )en"an l."am
in)u&/
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BAB VI
KESIMPULAN DAN SARAN
=1 Kesi-."an
A)a#un &esim#ulan %an" )a#a( )iamil )a'i #'a&(i&um #en"elasan
a)alah:
1/ L."am ai' %an" (i)a& meleleh men"a&ia(&an l."am isian (i)a& men%a(u
)en"an l."am in)u&/
2/ +e&anan isi (aun" ae(%lene %an" &u'an" men"a&ia(&an 'i"i-'i"i las
men$a)i $ele&/
3/ +e'$a)in%a le(u#an #a)a u$un" n.CCle )ia&ia(&an &a'ena u$un" n.CCle %an"
&.(.'/
=2 Saran
A)a#un sa'an %an" )a#a( )ie'i&an a)alah:
1/ Pe'"una&an selalu #e'ala(an &eselama(an &e'$a/
2/ Pas(i&an (i)a& a)a en)a e'aha%a a(au %an" mu)ah (e'a&a' )ise&i(a' a'ea
#en"elasan/
3/ Sesuai&an esa'n%a a#i #en"elasan (e'ha)a# &e(ealan en)a &e'$a %an" a&an
)ilas/
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!/ Selalu #e'i&sa (e&anan isi (aun" a"a' men"hasil&an 'i"i las %an" a"us/
DAFTAR PUSTAKA
Su(a'$./ 17/Pet%nj%k Praktek !as "cetylene dan !istrik/ @e(a&an
Pe'(ama/ Su'aa%a: SI@/
Mille'/ 2010/ $hielded Metal "rc )elding/ USA: Mille' le('i/
5aman", S.e#a(ah )an S.e#a'n./ 17E/Mesin !as "setilin/
a&a'(a: Pen)i)i&an Menen"ah Ke$u'uan/