Laporan Akhir Harry Rudi Saragih 1207121235

7/26/2019 Laporan Akhir Harry Rudi Saragih 1207121235

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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

11


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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


26/30

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#/


27/30

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&/


29/30

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/

23


30/30

!/ 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/

Laporan Akhir Harry Rudi Saragih 1207121235

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