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ANALISIS MANAJEMEN PERSEDIAAN RAW MATERIAL

PRODUK KOSMETIK PADA PT. VWX

Oleh

ANDIKA MARDIANA

H24104021

PROGRAM SARJANA ALIH JENIS MANAJEMEN

DEPARTEMEN MANAJEMEN

FAKULTAS EKONOMI DAN MANAJEMEN

INSTITUT PERTANIAN BOGOR

BOGOR

2014


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ANALISIS MANAJEMEN PERSEDIAAN RAW

MATERIAL

PRODUK KOSMETIK PADA PT. VWX

SKRIPSI

sebagai salah satu syaat !e!"e#leh gela

SARJANA EKONOMI

"a$a P#ga! Sa%a&a Alih Je&is

Ma&a%e!e&

De"ate!e& Ma&a%e!e&

'a(ultas E(#!i $a&

Ma&a%e!e&

I&stitut Peta&ia& )#g#

Oleh

ANDIKA

MARDIANA

H24104021

PROGRAM SARJANA ALIH JENIS MANAJEMEN

DEPARTEMEN MANAJEMEN


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FAKULTAS EKONOMI DAN MANAJEMEN

INSTITUT PERTANIAN BOGOR

BOGOR

2014


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Ju$ul S(i"si * A&alisis Ma&a%e!e& Pese$iaa& Ra+ Mateial P#$u(

K#s!eti( Pa$a PT. VWX Na!a * A&$i(a Ma$ia&a

NIM * ,-/00-/

Me&yetu%ui1

D#se& Pe!bi!bi&g

Al! Se"#$#%& S.TP&M.SNIP. 1'(2022)200'12 1 002

Me&getahui1Ketua De"ate!e&

D*.M+,h#!!#- N#/& S.TP&M.S

NIP. 1')02 20004 1001

Ta&ggal Lulus *


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RINGKASAN

ANDIKA MARDIANA. H24104021. A&alisis Ma&a%e!e& Pese$iaa&

RawMaterial P#$u( K#s!eti( Pa$a PT. VWX. Di ba+ah bi!bi&ga&ALIMSETIAWAN.

Dala! "esai&ga& ya&g (etat suatu i&$usti !e!butuh(a& "#ses

"#$u(siya&g la&2a1 stabil $a& #"ti!al. Ma&a%e!e& "ese$iaa& !eu"a(a& salahsatuas"e( ya&g "e&ti&g $ala! !e&%aga (ela&2aa& "#ses "#$u(si ya&g

"a$aa(hi&ya a(a& be"e&gauh "a$a (ela&2aa& "e!e&uha& "e!i&taa&

(#&su!e&.Salah satu (lasi3i(asi "ese$iaa& ya&g $ig#l#&g(a& be$asa(a& be&tu(&yaa$alahraw material 4baha& ba(u5. Pe&elitia& i&i betu%ua& * 4/5Me&gi$e&ti3i(asi!a&a%e!e& "ese$iaa& raw material "a$a PT. VWX te(ait a&alisa A)674-5Me&ga&alisa ti&g(at safety stock raw material ya&g #"ti!al "a$a PT.VWX7 485Me&ga&alisa !et#$e "ese$iaa& $e&ga& !e!ba&$i&g(a& alat a&alisis

EO91Periodic Review System1 $a& existing system $ala! sisi biaya.

Je&is $ata ya&g $igu&a(a& $ala! "e&elitia& i&i a$alah $ata "i!e ya&g

$i"e#leh $ai +a+a&2aa la&gsu&g $e&ga& $e"ate!e& PPI61Purcasing1Production1 Logistick 1 R&D1 96 $a& ,RD se$a&g(a& $ata se(u&$e1 beu"a$#(u!e& "eusahaa& se"eti $ata "e!i&taa& teha$a" "#$u( skin care $a&makeu!1 $ata (ebutuha& raw material" 3#!ula "#$u(1 $ata biaya !ateial1

$ata leadtime !ateial1 liteatu1 hasil "e&elitia& te$ahulu1 baha& "usta(a. Alata&alisisya&g $igu&a(a& $ala! "e&elitia& a$alah (lasi3i(asi A)61 !et#$e )ayes1

siste!!#$el 9 $a& P seta "e&e&tua& forecast $e&ga& time series $e&ga& ba&tua&software Mi&itab :esi /.


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De&ga& !e&ggu&a(a& a&alisis !et#$e )ayes1 3#(us $ai 80 !ateialya&g!asu( $ala! (elas A a(a& $i$a"at 8 raw material ya&g !e!"u&yai&ilaialte&ati3 teti&ggi1 yaitu 4/D000085 Laly&1 4/600005 Tea $a& 4/'008;5

6#:ali" $e&ga& "ese&tase "e&ggu&aa& ua&g !asi&g?@1-18-@ $a& 01;?@. Ti&g(at safety stoc( ya&g #"ti!al u&tu( rawmaterial ya&g$ia&alisa $e&ga& !et#$e 9 a$alah 4/D000085 Laly& B /.81-= (g1

4/600005Tea B /.=>?1/ (g1 4/'008;5 6#:ali" B -8-1?;? (g1 4/6000?;5 6ast# OilB-==1?8 (g. Ti&g(at safety stoc( ya&g #"ti!al u&tu( raw material ya&g$ia&alisa$e&ga& !et#$e P a$alah 4/D000085 Laly& B /.=-/1- (g1 4/600005 Tea B

/.>1-= (g1 4/'008;5 6#:ali" B --18=? (g1 4/6000?;5 6ast# Oil B

8/1?08(g.

Siste! 9 u&tu( !ateial 4/'008;5 6#:ali" $a& !ateial4/6000?;5

6ast# Oil !e!ili(i total cost 4T65 lebih e&$ah $iba&$i&g(a& %i(a!e&ggu&a(a&siste! P. T6 u&tu( 4/'008;5 6#:ali" sebesa R" 80;.>;=.-8;1< $a& T6 u&tu(

4/6000?;5 6ast# Oil sebesa R" ?.-=.=1< . Siste! P u&tu( !ateial4/D000085 Laly& $a& 4/600005 Tea !e!ili(i total cost 4T65 lebihe&$ah

$iba&$i&g(a& %i(a !e&ggu&a(a& siste! 9. T6 u&tu( 4/D000085 Laly&sebesaR" -..?=0.>/=1< $a& T6 u&tu( 4/600005 Tea sebesa R" ;8?.;8;.=/1


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RIWAAT HIDUP

Pe&ulis $ilahi(a& $i Ja(ata "a$a ta&ggal -/ Maet />;?.Pe&ulis

!eu"a(a& a&a( (e$ua $ai $ua besau$aa1 "uti "asa&ga& ayaha&$a

Da!ia&us

May# $a& ibu&$a Lusi&a Wagi&ah.

Pe&ulis lulus $ai Se(#lah Dasa Sta$a Di"a!aga "a$a tahu& />>>1

$a&

!ela&%ut(a& "e&$i$i(a& $i Se(#lah La&%uta& Ti&g(at Peta!a Sta$a Sa&ta

A&&a

sela!a 8 tahu&. Pa$a tahu& -00- "e&ulis !ela&%ut(a& "e&$i$i(a& (e

Se(#lah

Me&e&gah Atas Negei 8 Ja(ata. Pe&ulis !e&yelesai(a& "e&$i$i(a&

se(#lah

!e&egah atas "a$a tahu& -001 (e!u$ia& !ela&%ut(a& "e&$i$i(a& Di"l#!a 8

$i

I&stitut Peta&ia& )#g# "a$a P#ga! Keahlia& Pee&2a&aa& Da&

Pe&ge&$alia&

P#$u(si Ma&u3a(tuCJasa 4PPMJ5. Pe&ulis !e&yelesai(a& "e&$i$i(a& Di"l#!a

8

I&stitut Peta&ia& )#g# "a$a tahu& -00;. A+al tahu& -00> "e&ulis !ulai

be(e%a

$i PT. l#ia Oigita 6#s!eti2 4Pubasai5. Pe&ulis !ela&%ut(a& "e&$i$i(a& $i

P#ga! Sa%a&a Alih Je&is Ma&a%e!e&1 De"ate!e& Ma&a%e!e&1'a(ultas

E(#!i $a& Ma&a%e!e&1 I&stitut Peta&ia& )#g# "a$a tahu& -0/0.


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KATA PENGANTAR

Pu%i $a& syu(u "e&ulis u2a"(a& (eha$iat Allah )a"a a&g Maha

Pe&gasih (ae&a be(at (asih


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UAPAN TERIMAKASIH

P#ses "e&yusu&a& s(i"si i&i ti$a( le"as $ai ba&tua&1 bi!bi&ga&

seta $u(u&ga& $ai bebagai "iha(1 sehi&gga "a$a (ese!"ata& i&i "e&ulis

i&gi& !e!bei(a& "e&ghagaa& tebai( (e"a$a *

/.

)a"a( Ali! Setia+a&1 S.TP1 M.Si sela(u $#se& "e!bi!bi&g ya&g $e&ga&

saba telah ba&ya( !e!bei(a& bi!bi&ga&1 saa& $a& se!a&gat

$ala!

"e&yusu&a& s(i"si "a$a "e&ulis sehi&gga "e&yusu&a& s(i"si i&i

$a"at

selesai.

-. D. Mu(ha!!a$ Na%ib1 S.TP1 M.Si. sebagai Ketua De"ate!e&

Ma&a%e!e&

'a(ultas E(#!i $a& Ma&a%e!e& IP).

8. )a"a( Ds. I. Muha!!a$ Sya!su&1 M.S2 $a& )a"a( Ds. E$+a$ ,.

Siega1 SE1 MM sela(u $#se& "e&gu%i.

. )a"a( D. I. J# M. Mu&a&$a1 M.S2 sela(u $#se& "e!bi!bi&g

a(a$e!i(.

. Ibu 'ai$a Rat&a De+i1 SE1 MM $a& Ibu ,a$ia&a Wi$yastuti1 S.,ut1 MM.

=.

Ke"a$a (eluaga(u1 (e$ua #a&g tua1 Mas A$i $a& Wish!a& tei!a (asih

atas "ehatia&1 $#a1 estu1 seta $u(u&ga& (e"a$a "e&ulis.

?. Ke"a$a %a%aa& !a&a%e!e& PT. VWX * )a"a( Al:i& Jusu31 Ibu D+i

Nuhe&i1

Ibu I&$ia&a sela(u PPI6 Ma&age1 Ibu 6e&i1 Ibu 6histi&e1 Lita1 Mba

Ti(a1

Mba I&$i1 seluuh sta33 PT. VWX1 ya&g telah !e!ba&tu $ala!


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DAFTAR ISI

H#l#!#%RINGKASAN

RIWAAT HIDUP....................................................................

KATA PENGANTAR................................................................3

UAPAN TERIMAKASIH.........................................................3

DAFTAR ISI...........................................................................3

DAFTAR TABEL...................................................................3

DAFTAR GAMBAR.................................................................5

DAFTAR LAMPIRAN...............................................................5

I. PENDAHULUAN..................................................................1

/./. Lata )ela(a&g................................................................................../

/.-. Ru!usa& Masalah.............................................................................8

/.8. Tu%ua& Pe&elitia&.............................................................................../.. Ma&3aat Pe&elitia&.............................................................................

/.. Rua&g Li&g(u" Pe&elitia&.................................................................

II. TINJAUAN PUSTAKA...........................................................

-./. Ma&a%e!e& Pese$iaa&.....................................................................=

-././ 'a(t# Pe&yebab Pese$iaa&...................................................=

-./.- Klasi3i(asi Pese$iaa&.............................................................=-./.8 )iaya Pese$iaa&.....................................................................?

-.-. A&alisis Pese$iaa& A)6...................................................................;

-.8. Met#$e )ayes....................................................................................;-.. Met#$e Pe&e&tua& Ju!lah $a& Ka"a& Pe!esa&a& Dila(u(a&..........>

-../ Met#$e Siste! Pe!ei(saa& Teus

-..- M#$el Periodic Review System4Siste! Pe!ei(saa&

Pei#$i(5................................................................................//-.. %orecasting 4Pea!ala&5............................................................./-../ M#$el Pea!ala&................................................................../

-.=. Pe&elitia& Te$ahulu......................................................................../?

III. METODE PENELITIAN......................................................1'

8./. Kea&g(a Pe!i(ia& Pe&elitia&......................................................./>

8.-. Met#$#l#gi Pe&elitia&.....................................................................-/


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8.-./ L#(asi $a& Wa(tu Pe&elitia&.................................................-/8.-.- Je&is $a& Met#$e Pe&gu!"ula& Data...................................-/

8.8. Met#$e Pe&g#laha& $a& A&alisis Data............................................-/

3


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IV. HASIL DAN PEMBAHASAN..............................................22

./. a!baa& U!u! Peusahaa&.........................................................--

.-. Pee&2a&aa& $a& P#ses P#$u(si...................................................--.8. Pe&ga$aa& $a& Pe&ge&$alia& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$-.8./ P#se$u Pe!belia& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$$$$-.8.- P#se$u Pe&ei!aa& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$$-.8.8 P#se$u Pe!a(aia& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$$$-

.. Pe!i&taa& $a& Pea!ala& Pe!i&taa&...........................................-=

../ Pe!i&taa& P#$u(................................................................-=

.. Ma&a%e!e& Pe&ge&$alia& Pese$iaa&.............................................8/../ Kua&titas Pe!esa&a& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$$8/..- Lead Time$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$8/..8 Ti&g(at Pe!a(aia& Raw Material$$$$$$$$$$$$$$$$$$$$$$$$$$$$$8-

.=. A&alisis Pe&ge&$alia& Pese$iaa&...................................................8-.=./ A&alisis A)6 $a& Met#$e )ayes..........................................88

.=.- A&alisis Pe&ge&$alia& Pese$iaa& Peusahaa&......................8>

.=.8 A&alisis Pe&ge&$alia& Pese$iaa& $e&ga& Met#$e P $a& 9 . 8>.=. Peba&$i&ga& )iaya..............................................................

.=. A&alisis Pe&ge&$alia& Pese$iaa& $i Masa Me&$ata&g........?

.?. I!"li(asi Ma&a%eial........................................................................>

KESIMPULAN DAN SARAN...................................................61

/. Kesi!"ula&...................................................................................../

-. Saa&................................................................................................/

DAFTAR PUSTAKA................................................................62LAMPIRAN...........................................................................6


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DAFTAR TABEL

N7 H#l#!#%

/. Stock out raw material tahu& -0/0 $a& -0//.................................. 8-. M#$el "ehitu&ga& )ayes........................................................................ >

8. Peba&$i&ga& siste! 9 $a& siste! P..................................................... /. Data "e!i&taa& "#$u( skin care tahu& -0/0. ,asil "ea!ala& "#$u( make u! $e&ga& a&alisis &uadratic mode

tahu& -0/8


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3


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DAFTAR GAMBAR

N7 H#l#!#%/. #ontinuous review system inventory$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ /0-. Periodic review system inventory$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ /-8. Kea&g(a "e!i(ia& "e&elitia&................................................................ />

. Kea&g(a alu "e&elitia&.......................................................................... -0. P#ses "#$u(si "#$u( skin care$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ -8=. P#ses "#$u(si "#$u( make u!$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ -?. a3i( "e!i&taa& "#$u( skin care tahu& -0/0


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DAFTAR LAMPIRAN

N7 H#l#!#%

/. Pese&tase "e!i&taa& !al................................................................8

-. Klasi3i(asi A)6.....................................................................................8. ,asil a&alisis &uadratic trend model /60000......................................=8

. a3i( hasil a&alisis &uadratic trend model /60000............................=

. ,asil a&alisis &uadratic trend model /D00008......................................==. a3i( hasil a&alisis &uadratic trend model /60000............................==

?. ,asil a&alisis &uadratic trend model /'008;......................................=?

;. a3i( hasil a&alisis &uadratic trend model /'008;............................=;

>. ,asil a&alisis &uadratic trend model /6000?;......................................=>

/0. a3i( hasil a&alisis &uadratic trend modeli /6000?;........................?0


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5


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a$alah

"ela(sa&aa& "ee&2a&aa& $a& "ese$iaa& !ateial. Di:isi atau $e"ate!e&

ya&g

beta&ggu&g%a+ab haus $a"at !e&e&tu(a& bea"a ba&ya( !ateial ya&g

$isi!"a&1

bea"a ba&ya( !ateial ya&g $ibutuh(a& seta bebagai (#&$isi lai& ya&g

haus

$ite&tu(a& ya&g be(aita& $e&ga& "ee&2a&aa& !ateial 4Nuhasa&ah1 -005.

De&ga& "ee&2a&aa& (ebutuha& !ateial ya&g te"at1 !a(a "eusahaa&

$a"at !e&g#"ti!al(a& biaya "ese$iaa& seta !e!"e(e2il (eugia& (ae&a

(eusa(a& !ateial. )ila "eusahaa& !e&a&a!(a& telalu ba&ya( $a&a&ya

$ala! "ese$iaa&1 a(a& !e&i!bul(a& biaya "e&yi!"a&a& ya&g belebiha&.

De!i(ia& "ula bila "eusahaa& ti$a( !e!"u&yai "ese$iaa& ya&g !e&2u(u"i

$a"at !e&ga(ibat(a& biaya te%a$i&ya (e(ua&ga& baha& 4,a&$#(# -0005.

Siste! "ese$iaa& a$alah sea&g(aia& (ebi%a(sa&aa& $a& "e&ge&$alia&

ya&g

!e!#&it# ti&g(at "ese$iaa& $a& !e&e&tu(a& ti&g(at "ese$iaa& ya&g haus

$i%aga1


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2

(a"a& "ese$iaa& haus $iisi1 $a& bea"a besa "esa&a& haus $ila(u(a&

4,a&$#(#1 -0005. Me&%aga "ese$iaa& !eu"a(a& !asalah ya&g u!it telebih %i(a !elibat(a& item !ateial ya&g !e&2a"ai ibua&.

PT. VWX !eu"a(a& salah satu "eusahaa& ya&g begea( $ala!

bi$a&g i&$usti (#s!eti( ya&g !e!"#$u(si "#$u( skin care $a& "#$u(

make u! ya&g !e!ili(i "a&gsa "asa $i $ala! &egei $a& $i lua &egei1

se"eti &egaa;1 /0080-1

/,00/=

$a& /,000> !e&gala!i (e(ua&ga& "ese$iaa& seba&ya( satu (ali1 se$a&g(a&

raw


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material $e&ga& !# (#$e /6000/0 !e&gala!i (e(ua&ga& "ese$iaa&

seba&ya(

$ua (ali. Pa$a tahu& -0// "eusahaa& !e&gala!i ? (ali (e(ua&ga& "ese$iaa&

rawmaterial1 $ia&taa&ya raw material $e&ga& !# (#$e /6000/0 $a&

/60008-

!e&gala!i (e(ua&ga& "ese$iaa& seba&ya( satu (ali1 raw material $e&ga&

!#

(#$e /'008; !e&gala!i (e(ua&ga& "ese$iaa& seba&ya( $ua (ali $a& raw

material

$e&ga& !# (#$e /6000?; !e&gala!i (e(ua&ga& "ese$iaa& seba&ya( tiga

(ali.

Tabel / bei(ut !e&u&%u((a& $ata (e(ua&ga& "ese$iaa& raw material ya&g

$iala!i

#leh PT. VWX $i tahu& -0/0 $a& -0//.


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Tabel / Stock out raw material tahu& -0/0 $a& -0//Tahu& -0/0 Tahu& -0//

NO K#$e St#2( Pe!i&taa& K#$e St#2( Pe!i&taa&4(g5 P#$u(si 4(g5 P#$u(si

4(g5 4(g5

/ /A008= 010? 010 /6000?; /1?= 81/>

- /6000/0 >100 -0100 /6000/0 -.-8=100 .000100

8 /6000/0 100 100 /6000?; 0100 81-0

/6008 01=0 01? /6000?; 0100 1?>

/600>; 01= -10 /60008- ;1>? /0100

= /0080- 81-> ?10 /'008; 0100 -180

? /,00/= /1/; /1-0 /'008; 0100 /1;0

; /,000> 010 0180

Su!be * PT. VWX 4-0/-5

Raw material ya&g $igu&a(a& "a$a PT. VWX !eu"a(a& baha& ba(u

$ala! "e!buata& "#$u( (#s!eti( skin care $a& make u!. Sebagia&

besa raw material ya&g $igu&a(a& beasal $ai lua &egei 4i!"#5.

Ke(ua&ga& "ese$iaa& raw material $a"at $isebab(a& #leh (etela!bata&

"e!esa&a& !ateial1 (eti$a(sesuaia& e&2a&a "#$u(si $e&ga& a(tual e&2a&a

"#$u(si1 $a& a$a&ya (etela!bata& "e&gii!a& $ai su!!lier sehi&gga

!e&gha!bat "#ses "#$u(si "a$a PT. VWX.

Pe&ge&$alia& "ese$iaa& raw material "elu !e!"eti!ba&g(a&

%u!lah raw

material ya&g $ibutuh(a& u&tu( "#$u(si1 MO9 'minimal order

&uantity(1 +a(tu

"e!esa&a& $ila(u(a& $a& 3a(t# biaya ya&g !i&i!al. Oleh sebab itu1

$i"elu(a&

a$a&ya suatu siste! "e&gel#laa& "ese$iaa& raw material $a& (ebi%a(a&

$ala!

"ese$iaa& !ateial $ala! "eusahaa& sehi&gga a(a& te2a"ai ti&g(at "ese$iaa&

ya&g

#"ti!al $ala! "eusahaa&.


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1.2 R+!+9#% M#9#l#h

Ke(ua&ga& "ese$iaa& raw material $i PT. VWX $a"at $isebab(a&

#leh (etela!bata& "e!esa&a& !ateial1 (eti$a(sesuaia& e&2a&a "#$u(si

$e&ga& a(tual ya&g $i"#$u(si1 $a& a$a&ya (etela!bata& "e&gii!a& $aisu!!lier sehi&gga !e&gha!bat "#ses "#$u(si "a$a PT. VWX. ,al ya&g

"elu $i"eti!ba&g(a& $ala! "e&ge&$alia& "ese$iaa& raw material yaitu

!e!"eti!ba&g(a& %u!lah raw material ya&g $ibutuh(a& u&tu( "#$u(si1

MO9 'minimal order &uantity(" +a(tu "e!esa&a& $ila(u(a& $a& 3a(t#

biaya ya&g !i&i!al.


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"e&ge&$alia&

"ese$iaa&.

1.6 R+#%8 L%8,+; Pe%el"#%

/.

Pese$iaa& ya&g $ibahas a$alah "ese$iaa& u&tu( raw material 4baha& ba(u5.

-. Wa(tu "ela(sa&aa& "e&elitia& $ila(sa&a(a& sela!a tiga bula& yaitu $ai

bula&

N#:e!be -0/- < Ja&uai -0/8.

8. Data ya&g $i"elu(a& beu"a *

a. Data "i!e1 ya&g $i"e#leh $ai +a+a&2aa la&gsu&g $e&ga&

$e"ate!e&

PPI61 Purcasing1 P#$u(si1 Logistick 1 RND1 961 $a& ,RD.

b. Data se(u&$e1 beu"a $#(u!e& "eusahaa& se"eti $ata "e!i&taa&

teha$a"

"#$u( skin care $a& make u!1 $ata (ebutuha& raw material

3#!ula "#$u(1

$ata biaya !ateial1 $ata lead time !ateial. Disa!"i&g itu $ata

se(u&$e


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6

$i"e#leh $ai liteatu1 hasil "e&elitia& te$ahulu1 baha& "usta(a $a& $ata

$ai "eusahaa& te(ait.


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II. TINJAUAN PUSTAKA

2.1 M#%#e!e% Pe*9e-##%

Setia" su!be ya&g $isi!"a& $a& a(a& $igu&a(a& u&tu( !e!e&uhi

(ebutuha&

"a$a saat i&i atau $i !asa ya&g a(a& $ata&g $isebut $e&ga& "e&ge&$alia&

"ese$iaa&.

,a&$#(# 4-00051 !e&$e3i&isi(a& inventory atau "ese$iaa& a$alah segala

sesuatu

atau su!be $aya < su!be $aya #ga&isasi ya&g $isi!"a& $ala!

a&tisi"asi&yateha$a" "e!e&uha& "e!i&taa&. Pese$iaa& i&i !eli"uti "ese$iaa& baha&

!e&tah1

baa&g $ala! "#ses1 baa&g %a$i atau "#$u( a(hi1 baha&


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Alasa& "elu a$a&ya "ese$iaa& !e&uut Su!aya&g 4-0085

a$alah sebagai bei(ut *

/. Me&ghila&g(a& "e&gauh (eti$a("astia&. U&tu(

!e&gha$a"i

(eti$a("astia& !a(a "a$a siste! $iteta"(a& "ese$iaa& $auat

ya&g $i&a!a(a& safety stock . Ji(a su!be $ai (eti$a("astia&

$a"at $ihila&g(a& !a(a %u!lah inventory !au"u& safety stock

$a"at $i(ua&gi.

-. Me!bei +a(tu lua&g u&tu( "e&gel#laa& "#$u(si $a& "e!belia&.

8. U&tu( !e&ga&tisi"asi "eubaha& "a$a demand $a& su!!ly .

Inventory

$isia"(a& u&tu( !e&gha$a"i "eubaha& biaya $a& "ese$iaa& baha&

ba(u.

2.1.2 Kl#9=,#9 Pe*9e-##%

Pese$iaa& $a"at $i(lasi3i(asi(a& $ala! 8 (lasi3i(asi 4Pu%a+a&1-0051

yaitu *


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)

/. )e$asa(a& be&tu(&ya1 "ese$iaa& $a"at $i(lasi3i(asi(a& !e&%a$i

baha&

ba(u 'raw material(1 baa&g sete&gah %a$i 4WIP51 $a& "#$u( %a$i

'+nised

goods(. Klasi3i(asi i&i biasa&ya ha&ya bela(u "a$a (#&te(s

"eusahaa&

!a&u3a(tu.

-. )e$asa(a& 3u&gsi&ya1 "ese$iaa& $a"at $ibe$a(a& !e&%a$i *

a. Pi!eline,transit inventory . Pese$iaa& i&i !u&2ul (ae&a

lead time

"e&gii!a& $ai satu te!"at (e te!"at lai&.

b. #ycle stock . Pese$iaa& ya&g !e!"u&yai si(lus "ese$iaa&

tete&tu

a(ibat !#ti3 !e!e&uhi s(ala e(#!i.

2. Pese$iaa& "e&ga!a& 'safety stock(. )e3u&gsi sebagai

"eli&$u&ga&

teha$a" (eti$a("astia& "e!i&taa& !au"u& "as#(a&.

$.

Antici!ation stock a$alah "ese$iaa& ya&g $ibutuh(a&

u&tu(

!e&ga&tisi"asi (e&ai(a& "e!i&taa& a(ibat si3at !usi!a&

$ai

"e!i&taa& teha$a" suatu "#$u(.

8. Pese$iaa& %uga $a"at $i(lasi3i(asi(a& be$asa(a& si3at

(etega&tu&ga&

(ebutuha& a&taa satu item $e&ga& item lai&&ya. Item ya&g

(ebutuha&&ya

tega&tu&g "a$a (ebutuha& item lai& $i&a!a(a& de!endent

demand item.

Sebali(&ya1 (ebutuha& inde!endent demand item ti$a(


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tega&tu&g "a$a

(ebutuha& item lai&. Klasi3i(asi i&i $ila(u(a& (ae&a "e&gel#laa&

(e$ua

%e&is item ya&g bebe$a. a&g te!asu( $ala! de!endentdemand item

a$alah (#!"#&e& atau baha& ba(u ya&g a(a& $igu&a(a& u&tu(

!e!buat

"#$u( %a$i. P#$u( %a$i biasa&ya $ig#l#&g(a& $ala! inde!endent

demand

item (ae&a (ebutuha& a(a& satu "#$u( %a$i ti$a(

la&gsu&g

!e!"e&gauhi (ebutuha& "#$u( %a$i ya&g lai&.

2.1. B#


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2. Me"7-e B#


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'

Kit % B ti&g(at (e"e&ti&ga& 4b#b#t5 (iteia (e


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A"abila "#sisi stock be(ua&g sa!"ai (e ti&g(at "ese$iaa&

ya&g telah $ite&tu(a& atau re.order !oint 'R( !a(a se%u!lah teta"

!ateial a(a& $i"esa&. Kae&a %u!lah ya&g $i"esa& teta"1 !a(a +a(tu

a&taa "e!esa&a& tega&tu&g "a$a la%u "eubaha& "e!i&taa&.Pese$iaa& be(ua&g $e&ga& (e2e"ata& ya&g ti$a( beatua&

sa!"ai

%u!lah&ya !e&2a"ai re.order !oint R $i!a&a "e!esa&a& se%u!lah

9 u&it

!ulai $ila(u(a&. Pe!esa&a& a(a& $ata&g setelah te&ggat +a(tu atau

lead time

4L5. Pe&%elasa& !e&ge&ai continus review system tesebut $a"at

$ilihat "a$a a!ba /.


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10

I&:e&t#y 9 9 9

R

L L L

Wa(tu/am-ar 0 #ontinuous review system inventory

'Sum-er Sumayang" 1223(

De&ga& $e!i(ia& !et#$e siste! 9 $ite&tu(a& #leh $ua "aa!ete1

yaitu *

/. Paa!ete 9 $iteta"(a& $e&ga& !et#$e EO9

EO9 B

.4-5

$i!a&a *

EO9 B %u!lah "esa&a& ya&g "ali&g e3isie&

S B biaya setia" (ali "e!esa&a& atau ordering cost

D B besa la%u "e!i&taa& $ala! u&it "e tahu&

i B biaya "e&gel#laa& atau carrying cost a$alah

"ese&taseteha$a" &ilai inventory "e tahu&

6 B biaya "e u&it

-.

R be$asa(a& biaya ya&g ti!bul (ae&a "ese$iaa& habis

atau

stock out cost teta"i (ae&a "e(iaa& ti$a( !u$ah !a(a


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$igu&a(a&

stock out !ro-a-ility .

U&tu( !e&e&tu(a& besa&ya safety stock 1 $a"at $igu&a(a&

$e&ga& !et#$e bei(ut *

SS B s ..

485

$i!a&a *

SS B safety stock

B $ite&tu(a& #leh service level


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11

s B sta&$a $e:iasi "e!i&taa& sela!a lead time

L B lead time

Wa(tu "e!esa&a& (e!bali 'reorder !oint( u&tu( !e&%aga

(ela&2aa& (egiata& "#$u(si1 $i"e&gauhi #leh *

/. Lead time1 yaitu +a(tu ya&g $ibutuh(a& a&taa baha& ba(u $i"esa&

hi&gga

sa!"ai (e "eusahaa&. Se!a(i& la!a lead time !a(a a(a&

se!a(i& besa

baha& ya&g $i"elu(a& sela!a !asa lead time.-. Ti&g(at "e!a(aia& baha& ba(u ata < ata $ala! satua& +a(tu tete&tu.

8. Pese$iaa& "e&ga!a& 'safety stock(1 yaitu %u!lah "ese$iaa& baha&

!i&i!u! ya&g haus $i!ili(i #leh "eusahaa& u&tu(

!e&%aga (e!u&g(i&a& (etela!bata& $ata&g&ya baha& ba(u.

Dai (etiga 3a(t# $iatas1 !a(a u!us reorder !oint a$alah sebagai bei(ut *

ROP B 4LD AU5 SS ..45

$i!a&a *

ROP B eorder !oint

LD B lead time

AU B average usage 4"e!a(aia& ata


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12

/. Pe!ei(saa& stock "ese$iaa& atau "#sisi "ese$iaa& "a$a setia"

"ei#$e

+a(tu ya&g teta" yaitu "a$a "ei#$e P.

-. Selisih "ese$iaa& taget T $e&ga& stock "ese$iaa& sa!a $e&ga&

%u!lah

ya&g $i"esa&.

)e$asa(a& "e&%elasa& tesebut !a(a $a"at $iilustasi(a&

!eriodic review system inventory $ala! a!ba -.

T

9/ 9- 98

9/ 9- 98

L L

P P

Wa(tu

/am-ar 1 Periodic reviewsystem inventory

'Sum-er Sumayang"1223(

Pebe$aa& $e&ga& !et#$e syste! 9 a$alah *

/. Pa$a !et#$e siste! P ti$a( a$a reorder !oint sebagai batas +a(tu

u&tu(

!ela(sa&a(a& "e!esa&a&. Pe!esa&a& "a$a !et#$e siste! P

$ila(u(a&

"a$a "ei#$e +a(tu ya&g teta".

-. Pa$a !et#$e siste! P ti$a( a$a EO9 ya&g !eu"a(a& %u!lah

"esa&a&

teta"1 se$a&g(a& $ala! !et#$e P %u!lah "esa&a& tega&tu&g "a$a


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la%u

"eubaha& "e!i&taa&.

8. Pa$a !et#$e !eriodic review system "aa!ete a$alah P $a& T

se$a&g(a&

"a$a !et#$e economic order &uantity "aa!ete a$alah 9 $a&

R.

a. P $ihitu&g $e&ga& 2aa EO9 $i!a&a +a(tu "ei#$i( P

P B ..

.4=5

$i!a&a *

P B "ei#$e +a(tu "e!esa&a&

S B biaya setia" (ali "e!esa&a& atau

ordering cost

D B besa la%u "e!i&taa& $ala! u&it "e

tahu&

i B biaya "e&gel#laa& atau carrying cost a$alah "ese&taseteha$a"


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1

&ilai inventory

"e tahu& 6 B biaya "e

u&it

b. T a$alah taget "ese$iaa& ya&g $ite&tu(a& $e&ga& 2aa

!e&eta"(a&

service level $i !a&a taget "ese$iaa& $ite&tu(a& 2u(u" ti&ggi

u&tu(

!e&gatasi la%u "eubaha& "e!i&taa& sela!a lead time

$ita!bah

$e&ga& la%u "eubaha& "e!i&taa& sa!"ai +a(tu "e!ei(saa&

ya&g

a(a& $ata&g.

U&tu( !e&e&tu(a& taget "ese$iaa& 4T51 $a"at !e&ggu&a(a&

u!us

T B 44P L5 AU5 SS

...4?5

$i!a&a *

T B taget "ese$iaa&

SS B safety stock

P B "ei#$e sela!a "e!esa&a& #"ti!al

L B lead time

AU B average usage

Ju!lah safety stock 4SS51 $ite&tu(a& $e&ga& u!us *

SS B @P L

s $i!a&a *

SS B safety stock

B $istibusi !al ti&g(at

"elaya&a&

P B

"ei#$

e

sela!a

"e!es


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14

SS B safety stock

AU B average usage 4"e!a(aia& ata


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tega&tu&g "a$a situasi $a& (#&$isi a(tual $ai !asi&g < !asi&g i&$usti

!a&u3a(tu.

Dala! setia" i&$usti !a&u3a(tu1 "#$u( a(hi !eu"a(a& item

inde!endent demandya&g $i"ilih u&tu( $ia!al(a&.

2.6.1 M7-el Pe*#!#l#%

Se2aa u!u!1 !#$el "ea!ala& $a"at $i(el#!"#((a&

!e&%a$i

-

(el#!"#( uta!a1 yaitu *

/.

Met#$e (ualitati31 !#$el "ea!ala& ya&g $ig#l#&g(a& sebagai!#$el

(ualitati3 a$alah *

a. Dugaa& !a&a%e!e& 'management estimate(1 $i !a&a "ea!ala&

se!ata < !ata be$asa(a& "eti!ba&ga& !a&a%e!e&.


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u&tu(

!e&ga!ati (e2e&$eu&ga& $ata se2aa !e&yeluuh "a$a

suatu

(uu& +a(tu ya&g 2u(u" "a&%a&g. )ebea"a !et#$e ya&g$a"at

$igu&a(a& u&tu( !e!buat "ea!ala& $e&ga& trend

analysis1

yaitu *

a. Linear Model 4!#$el li&ie5*suatu te&$ ya&g

(e&ai(a&C"e&uu&a& &ilai ya&g a(a&

$ia!al(a&&ai(Ctuu& se2aa li&ie.

b. 4uadratic Model 4!#$el (ua$at5 * te&$

ya&g &ilai

:aiabel ta( bebas&ya &ai(Ctuu& se2aa li&ie

atau

te%a$i "aab#la bila $ata&ya $ibuat se2aa

"l#t

4hubu&ga& :aiabel $e"e&$e& $a& i&$e"e&$e&

a$alah

(ua$ati(5.

2. Ex!onential /rowt Model 4!#$el "etu!buha&

e"#&e&sial5 * sebuah te&$ ya&g &ilai :aiabel

ta(

bebas&ya &ai( se2aa beli"at ga&$a atau ti$a(

li&ie.


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1

$. S. #urve Model 4!#$el (u:a S5 * sebuah

te&$ ya&g

$igu&a(a& u&tu( $ata u&tu& +a(tu ya&g

!e&gi(uti

(u:a be&tu( S.

C Rata < ata begea( 'Moving Average(

M#$el ata < ata begea( !e&ggu&a(a& se%u!lah

$ata

a(tual "e!i&taa& ya&g bau u&tu( !ea!al(a& "e!i&taa&

$i

!asa ya&g a(a& $ata&g. Met#$e ata < ata begea( a(a&

e3e(ti3

$itea"(a& a"abila $a"at !e&gasu!si(a& bah+a

"e!i&taa&

"asa teha$a" "#$u( a(a& stabil se"a&%a&g +a(tu.

Pa$a

$asa&ya !et#$e ata < ata begea( te$a"at $ua %e&is1

yaitu

!et#$e ata < ata begea( ti$a( teb#b#t 4unweigted

moving

average( $a& !et#$e ata


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ata <

ata begea( ti$a( teb#b#t a$alah bagai!a&a !e!ilih

&

"ei#$e ya&g $i"e(ia(a& te"at. Dala! hal i&i & "ei#$eya&g

$i"ilih a$alah & "ei#$e ya&g !e!ili(i MAD 'mean

a-solute

deviation( te(e2il.

Su!aya&g 4-00851 !e&yata(a& a$a e!"at 2aa

u&tu( !e&ghitu&g e#1 yaitu *

/. Average error 4AE5 .

4//5

-. Mean s&uare error 4MSE5 ...4/-5

8. Mean a-solute deviation of forecast error4 MAD5

...

4/85

. Mean a-solute !ercentage errors1 yaitu 2aa

ya&g "ali&g

a(uat u&tu( !e!ba&$i&g(a& e# $ai $ua !et#$e

time

serries$

C Pe!ulusa& e(s"#&e&sial 'Ex!onential smooting(


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1(

Nu&u&g Nuhasa&ah 4-005 $ala! %u&al ya&g be%u$ul

Pee&2a&aa&

Pe&ge&$alia& P#$u(si Da& Pese$iaa& I&$usti Pasta PT X. Tu%ua& $ai

"e&elitia&

i&i a$alah !e&getahui "ee&2a&a& $a& "e&ge&$alia& "ese$iaa& be$asa(a&

ti&g(at

"e!esa&a& #"ti!al baha& ba(u te"u&g se!#li&a1 !e&getahui alte&ati3

"ee&2a&aa&

agegat ya&g haus $i"ilih be$asa(a& e3isie&si biaya stategi ya&g

$i%ala&(a&1

!e&getahui "i#itas $ala! "ese$iaa& "#$u( "asta $e&ga& !e&ggu&a(a&

a&alisis

A)6. ,asil $ai "e&elitia& tesebut yaitu !et#$e "a(iaa& u&tu(

!e&e&tu(a&

"a(iaa& baha& ba(u te"u&g se!#li&a /- "ei#$e !e&$ata&g a$alah

dou-le

ex!onential smooting / "aa!ete $ai )#+& $e&ga& B 01-. ,asil

"a(iaa& u&tu(

/ tahu& a$alah /?.;;=10 t#& te"u&g. Ju!lah "esa&a& e(#!is a$alah sebesa

/-0

t#& te"u&g se!#li&a1 ya&g $i"esa& seba&ya( /0 (ali $ala! setahu&1 $e&ga&

i&te:al

"e!esa&a& setia" - hai se(ali $a& #&g(#s t#tal "ese$iaa& ya&g haus

$i(elua(a&

a$alah R" =-.?0?.-0./100. Alte!ati3 ya&g $i"ilih $ala! "ee&2a&aa&

agegat

a$alah stategi $e&ga& hai (e%a egula teta"1 yaitu sela!a -8 haiCbula&1

$e&ga&


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(a"asitas "#$u(si ;8- u&it "astaChai. O&g(#s ya&g haus $i(elua(a&

a$alah

R" ;./.>;8100. A&alisis A)6 P#$u( "asta %e&is elb#+ !a2a#&i $a&

s"aghettia$alah "#$u( ya&g haus !e&$a"at "ehatia& (husus $ala! "e&ge&$alia&

"ese$iaa&

"#$u( %a$i $e&ga& "ese&tase &ilai sebesa ?01=8@ $a& "ese&tase %u!lah -0@.


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III. METODE PENELITIAN

.1 Ke*#%8,# Pe!,*#% Pe%el"#%

Pesai&ga& $ala! i&$usti (#s!eti( saat i&i se!a(i& ti&ggi (ae&a

ba&ya(

"eusahaa& (#s!eti( ya&g beasal $ai $ala! $a& lua &egei !e!bei(a&

ta+aa&

!e&ai( $a& bea&e(a aga! u&tu( !e&ai( !i&at (#&su!e&. Di $ala! "esai&ga&

ya&g

se!a(i& (etat PT. VWX telah !ela(u(a& a&tisi"asi u&tu( teta" !e!ili(i "#sisi

ya&g(uat $ala! "esai&ga&. Na!u& PT. VWX ti$a( tele"as $ai "e!asalaha& $ala!

"#ses

"#$u(si&ya1 yaitu $ala! hal "e&ye$iaa& baha& ba(uCraw material u&tu(

"#$u(si. Aga

(ela&2aa& "#ses "#$u(si teta" te%aga1 !a(a PT. VWX teus !e&ge!ba&g(a&

$a&

!ela(u(a& "ebai(a& "a$a siste! "ese$iaa&. Pee&2a&aa& "e&ye$iaa& raw

material

!e!"eti!ba&g(a& %u!lah raw material ya&g $ibutuh(a& u&tu( "#$u(si1 ti&g(at

safety

stock 1 +a(tu "e!esa&a& $ila(u(a& $a& 3a(t# biaya ya&g !i&i!al. De&ga& a$a&ya

siste!

"e&gel#laa& "ese$iaa& raw material $a& (ebi%a(a& $ala! "ese$iaa& !ateial

"a$a

PT. VWX !a(a ti&g(at "ese$iaa& ya&g #"ti!al a(a& te2a"ai $ala! siste!

"e&gel#laa&

"ese$iaa& raw material. Kea&g(a "e!i(ia& ya&g !e&%a$i $asa bagi

"e&elitia& i&i

a$alah se"eti ya&g telihat "a$a a!ba 8.


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Pesai&ga& i&$usti (#s!eti( ya&g

se!a(i& ti&ggi bagi PT. VWX.

Me&%aga (ela&2aa& "#ses "#$u(si

Pebai(a& siste!

"ese$iaa& raw

material

Kebi%a(a& "ese$iaa& raw material

Pese$iaa& #"ti!al E3isie&si )iaya

/am-ar 3 ;erangka !emikiran !enelitian


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20

Kegiata& ya&g $ila(u(a& be(aita& $e&ga& "e&elitia& ya&g

!eu"a(a&

la&g(ah


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Sele9#

/am-ar < ;erangka alur !enelitian

)e$asa(a& a!ba !e&ge&ai (ea&g(a alu "e&elitia& $i%elas(a&

bah+a

"e&elitia& $ila(u(a& (ae&a !elihat "e!asalaha& ya&g a$a $i PT. VWX

yaitu

!asalah "ese$iaa& raw material1 sehi&gga tu%ua& $ai "e&elitia& i&i yaitu

i&gi&

!e!"ela%ai !a&a%e!e& "ese$iaa& raw material1 !e&ga&alisa ti&g(at

safety stock 1

$a& !e&ga&alisa !et#$e "ese$iaa& raw material ya&g !u&g(i& $itea"(a&

"a$a


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21

PT. VWX. Ke!u$ia& $ila(u(a& "e&gu!"ula& $ata ya&g $i"elu(a& sebagai

$asa

"e&g#laha& $ata. Pe&g#laha& $ata $ila(u(a& $e&ga& !e&ggu&a(a&

ata


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Data se(u&$e1 beu"a $#(u!e& "eusahaa& se"eti 3#!ula

"#$u(1

$ata biaya !ateial1 $ata lead time !ateial. Disa!"i&g itu $ata

se(u&$e$i"e#leh $ai liteatu1 hasil "e&elitia& te$ahulu1 baha& "usta(a $a& $ata

$ai

"eusahaa& te(ait.

. Me"7-e Pe%87l#h#% -#% A%#l99 D#"#

Met#$e ya&g $igu&a(a& $ala! "e&elitia& i&i yaitu !et#$e

"e&g(lasi3i(asia& !ateial $e&ga& a&alisis A)61 !et#$e )ayes1 a&alisis

$e&ga& continuous review system atau siste! 9 $a& !eriodicreview system atau siste! P1 $a& "ehitu&ga& forecast $e&ga& time

series !e&ggu&a(a& software Mi&itab /.


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IV. HASIL DAN PEMBAHASAN

4.1 G#!/#*#% U!+! Pe*+9#h##%

PT. VWX !eu"a(a& sebuah "eusahaa& ya&g begea( $ala! bi$a&g

i&$usti (#s!eti(. Peusahaa& i&i $i$ii(a& "a$a tahu& />>8 $a& hi&gga saat

i&i telah be(e!ba&g !e&%a$i "eusahaa& ya&g !e!"u&yai -rand

(#s!eti( te(e&al $i I&$#&esia $a& bebea"a &egaa $i Asia1 Ti!u Te&gah $a&

A3i(a.

P#$u( ya&g $ihasil(a& #leh PT. VWX telah !e&ei!a seti3i(at MP

'/ood

Manufacturing Practice( yaitu seti3i(at ya&g $i(elua(a& #leh ba$a&

(esehata&

i&te&asi#&al1 *S %ood and =rug Administration u&tu( "#$u(

!#,#%#% -#% 7/#" >

7/#"#% ya&g teu%i (ualitas&ya. '#(us i&$usti PT. VWX yaitu "#$u( skin

care a&taa

lai& lulu !a&$i1 sabu& !a&$i1 sabu& siih1 lotion $a& "#$u( make u! a&taa

lai& alas

be$a(1 com!act !owder" -lus on" eye sadow1 "e&sil alis1 mascara1

$a& li!stick .

Pa$a a+al&ya (egiata& "#$u(si $a& (a&t# "usat PT. VWX bel#(asi

$i

6i"utat1 Ja(ata Selata& &a!u& (ae&a "e(e!ba&ga& "e&%uala& "#$u(

ya&g

be(e!ba&g "esat1 !e&yebab(a& te!"at ya&g a$a su$ah ti$a( !e!u&g(i&(a&

lagi

u&tu( !ela(u(a& "#ses "#$u(si sehi&gga "a$a tahu& />>? (egiata&

"#$u(si

PT. VWX $i"i&$ah(a& (e (a+asa& i&$usti Li""# 6i(aa&g1 )e(asi.

Pe(e!ba&ga&


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"e&%uala& ya&g "esat ti$a( ha&ya $iala!i $ala! "e&%uala& "#$u( $i $ala!

&egei

&a!u& "e&%uala& "#$u( (e lua &egei "u& !e&gala!i "e&i&g(ata& ya&g

ti&ggi.Pe(e!ba&ga& "e!asaa& i&i ya&g !e&yebab(a& "#ses "#$u(si PT. VWX

teus

!e&i&g(at sehi&gga "a$a tahu& -0/- "#ses "#$u(si PT. VWX $i"i&$ah(a& (e

Desa

Pe$ue&a&1 u&u&g Si&$u1 )#g#1 Ja+a )aat.

4.2 Pe*e%#%##% -#% P*79e9 P*7-+,9

Pee&2a&aa& "#$u(si !eu"a(a& suatu (egiata& ya&g !e&e&tu(a& a"a

ya&g

$i"#$u(si1 $ala! (ualitas bea"a1 $a& su!be


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2

Re&2a&a "#$u(si bula&a& i&i ya&g !e&%a$i $asa "ehitu&ga&

inventory

control u&tu( "e!esa&a& !ateial 'raw material dan

!ackaging material(.

-. Re&2a&a "#$u(si !i&ggua&1 !eu"a(a& e&2a&a "#$u(si ya&g

$ibuat

#leh !lanner $i setia" !i&ggu. Re&2a&a "#$u(si !i&ggua&

"a$a

PT. VWX $ila(u(a& u&tu( !e&e&tu(a& a"a ya&g a(a& $i"#$u(si

$ilihat

$ai "i#itas "e&ge%aa& "#$u( ya&g $ite&tu(a& #leh 3a(t#

%u!lah

"e!i&taa& ya&g "ali&g besa1 seta (etese$iaa& su!be $aya ya&g

a$a.

Re&2a&a "#$u(si !i&ggua& (e!u$ia& $i$istibusi(a& (e bagia&

"#$u(si

sebagai a2ua& u&tu( "e&ge%aa& "#$u(si.

P#ses "#$u(si ya&g $ila(u(a& $i PT. VWX te$ii $ai bebea"a

taha"a&

yaitu $ia+ali $e&ga& "e&i!ba&ga& raw material atau baha& ba(u sesuai

$e&ga&

"#ta" 4"#se$u teta"5 ya&g $ila(u(a& #leh bagia& wareouse raw

material. Setelah

"e&i!ba&ga& raw material selesai $ila(u(a& !a(a baha& ba(u ya&g telah

$iti!ba&g

sesuai $e&ga& "#ta" $i"#ses $e&ga& 2aa $i!asa( $e&ga& !esi& mixing $i

ua&g

"#$u(si sehi&gga !e&%a$i -ulk 4baha& sete&gah %a$i5. Taha" sela&%ut&ya


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24

Pe&i!ba&ga& Mateial

Pe!asa(a& Mixing

#ooling

%illing

Pressing

Packing

/am-ar ? Proses !roduksi !roduk make u!

4. Pe%8#-##% -#% Pe%8e%-#l#% Raw Material

Siste! "e&ga$aa& $a& "e&ge&$alia& raw material ya&g saat i&i

$ila(u(a& $i

PT. VWX yaitu $isesuai(a& $e&ga& (ebutuha& e&2a&a "#$u(si sela!a tiga bula&

$ita!bah $e&ga& stock "e&ga!a& 'safety stock(. )esa&ya safety

stock $ite&tu(a&

be$asa(a& lead time !asi&g < !asi&g raw material$ Raw material

ya&g !e!"u&yai

lead time 8 bula& atau lebih !a(a safety stock ya&g $igu&a(a& sebesa

/00@ $ai t#tal

(ebutuha& e&2a&a "#$u(si a(tual sela!a satu bula& be%ala&1 se$a&g(a&

!ateial

ya&g !e!"u&yai lead time (ua&g $ai 8 bula& !a(a safety stock ya&g

$igu&a(a&

sebesa 80@ $ai t#tal (ebutuha& e&2a&a "#$u(si a(tual satu bula& be%ala&.


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4..1 P*79e-+* Pe!/el#% Raw Material

)esa!aa& $e&ga& "#ses "ee&2a&aa& "#$u(si $a& %a$+al

"#$u(si !a(a $i(e%a(a& "ula "ee&2a&aa& (ebutuha& raw material

$a& %a$+al $ai "e!esa&a& ya&g bau. )e$asa(a& (ebutuha& i&i !a(a

$ite&tu(a& bea"a1 a"a sa%a1 $a& (a"a& baha& ba(u a(a& $i"esa& $a&

$ise$ia(a& aga (ebutuha& "a$a e&2a&a "#$u(si $a"at te"e&uhi.

P#se$u "e!belia& raw material $i PT. VWX yaitu *

/. Pe!belia& $ila(u(a& %i(a te$a"at (e(ua&ga& "ese$iaa& $ai

hasil

"ehitu&ga& (ebutuha& raw material u&tu( "#$u(si

sela!a tiga

bula&. Pehitu&ga& (ebutuha& raw material $ila(u(a&

$e&ga&

!e&ghitu&g %u!lah u&it baha& ba(u ya&g $ibutuh(a& #leh

!asi&g


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26

!asi&g "#$u( $iba&$i&g(a& $e&ga& $ata stock 1 e&2a&a

"#$u(si

sela!a tiga bula&1 safety stock $a& $ata outstanding PO

'!urcased

order( raw material ya&g a$a $i su!!lier . Ji(a

$ai hasil

"e&g#laha& $ata "ee&2a&aa& (ebutuha& !ateial

te$a"at

(e(ua&ga& "ese$iaa& !a(a a(a& $ibuat(a& "e!esa&a&

raw

material ya&g bau ya&g $isesuai(a& $e&ga& MO9

'minimum

order &uantity(1 lead time $a& +a(tu $ibutuh(a&.

Pe!esa&a& raw

material beu"a PR '!urcased re&uisition(

$iseah(a& #leh PPI6

'Production Planner and Inventory #ontrol( (e

!a&a%e PPI6

u&tu( !e&$a"at "esetu%ua& aga $a"at $i"#ses #leh

bagia&

"e!belia& '!urcasing(.

-. Purcasing !e!buat PO 'Purcased )rder( sesuai$e&ga&

"e!i&taa& PPI6. PO tesebut sela&%ut&ya $iseah(a&(e"a$a

!a&a%e !urcasing u&tu( !e&$a"at "esetu%ua&1 %i(a PO

tesebut

$isetu%ui !a(a !urcasing (e!u$ia& !e&gii!(a& PO (e

su!!lier


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!elalui 3a $a& !e!asti(a& bah+a su!!lier telah

!e&ei!a PO

tesebut $a& !e&g(#&3i!asi !e&ge&ai haga $a& batas

+a(tu "e&gii!a&.

4..2 P*79e-+* Pe%e*!##% Raw Material

P#se$u "e&ei!aa& raw material $i PT. VWX yaitu *

/.

Purcasing !e!#&it# (e$ata&ga& raw material

ya&g telah

$i"esa& (e su!!lier .

-.

Pe&a&ga&a& teha$a" "e&ei!aa& raw material ya&g

$i"esa& sesuai

$e&ga& (aa(teisti( !asi&g < !asi&g raw material.

8. Sebelu! raw material $itei!a #leh gu$a&g1 "iha( gu$a&g

a(a&

:ei3i(asi a&taa suat %ala& $a& PO. A"abila sesuai1 !a(a

raw

material $a"at $itei!a #leh gu$a&g. A"abila a$a

(eti$a(sesuaia&

a&taa suat %ala& $e&ga& PO1 !urcasing !ela(u(a&

(#&3i!asi

(e"a$a su!!lier u&tu( "e&ge!balia& atau "e&u(aa& raw

material$

4.. P*79e-+* Pe!#,##% Raw Material

Pe!a(aia& raw material u&tu( "#$u(si !elibat(a& bagia& "#$u(si $a& gu$a&g. P#se$u "e!a(aia& raw material "a$a PT. VWX

yaitu *


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2

/. )agia& "#$u(si !e!buat form "e!i&taa& baha& ba(u

4P))5

sesuai $e&ga& "#$u( ya&g $ie&2a&a(a& u&tu(

$i"#$u(si

(e!u$ia& $iseah(a& (e"a$a gu$a&g.

-.

)agia& gu$a&g !e&yia"(a& raw material sesuai

$e&ga&

"e!i&taa&.

8.

Raw material ya&g telah $isia"(a& (e!u$ia& $iseah(a& (e

bagia&

"#$u(si u&tu( $i"#ses.

. )agia& gu$a&g (e!u$ia& !e&2atat raw material ya&g

telah

$iseahtei!a(a& (e bagia& "#$u(si (e $ala! siste!

sehi&gga

siste! $a"at !e&gua&gi stock "ese$iaa& sesuai $e&ga&

(ua&titas

ya&g $iseahtei!a(a&.

4.4 Pe*!%"##% -#% Pe*#!#l#% Pe*!%"##%

4.4.1 Pe*!%"##% P*7-+,

Pa$a tahu& -0/0 < -0/- PT VWX !e&gala!i "e&i&g(ata&

"e!i&taa&

"#$u( ya&g 2u(u" sig&i3i(a&. ,al i&i $isebab(a& #leh "#!#si

ya&g

$ila(u(a& #leh $i:isi marketing se2aa teus !e&eus sehi&gga

!asyaa(at

se!a(i& !e&ge&al "#$u( ya&g $ihasil(a& $a& !e&i&g(at&ya


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(e"e2ayaa&

!asyaa(at a(a& (ualitas "#$u( ya&g $ihasil(a& #leh PT. VWX

(ae&a

"#$u( ya&g $ihasil(a& #leh PT. VWX telah lulus u%i (ualitas $i)a$a&

Pe&ga+as Obat $a& Ma(a&a& 4)POM5 $a& telah !e&ei!a seti3i(at

halal.

Pe!i&taa& "#$u( skin care $i tahu& -0/0 se%u!lah

-/.8-;.=- "2s1

$i tahu& -0// %u!lah "e!i&taa& "#$u( skin care !e&i&g(at

!e&%a$i

-8.00.=/; "2s $a& $i tahu& -0/- !eu"a(a& "e!i&taa& teti&ggi

$e&ga&

%u!lah "e!i&taa& seba&ya( 8.0;.08 "2s "#$u(. Pese&tase

(e&ai(a&

"e!i&taa& "#$u( skin care $i tahu& -0// yaitu &ai( seba&ya( /0@

$ai

"e!i&taa& "#$u( $i tahu& -0/0 $a& $i tahu& -0/- &ai( seba&ya( 0@

$ai

tahu& -0//. Tabel $a& a!ba ? bei(ut a$alah $ata "e!i&taa& "#$u(

skin

care tahu& -0/0 < -0/-.


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2)

Tabel Data "e!i&taa& "#$u( skin care tahu& -0/0 < -0/-

)ula& Tahu& -0/0 Tahu& -0// Tahu&

-0/-

4P2s5 4P2s5 4P2s5

Ja&uai /.8.? /..->0

-.08.=>

'ebuai /.0.>8 /.>0.00=

/.=>8.;

Maet /.=8>.0/0 /.8.?

/.;>-.-

A"il /.;/-.- /.0.0?

-.0-.?0Mei /.>0.=0= /.>/=.?>-

-.??8.;-=

Ju&i /.>;.=- -.00.=8-

8.->-.>/8

Juli /.?;8.=8 -.08;.//

8.0/.??0

Agustus -.88.0= -.8/?./=

8.;8/.>/?

Se"te!be /.;0./;- -.8=.-;>8.?;.??8

O(t#be /.-.00 -.88.==/8.0.;/8

N#"e!be /.=0=./8= -.8.;

-.>=0.-/

Dese!be -./8?.=8 -.//-.0

-.?/.8=

T#tal -/.8-;.=- -8.00.=/;

8.0;.08

Su!be * PT VWX 4-0/-5


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2(

"e!i&taa& tuu& sebesa ;@ "e!i&taa& "#$u( make u! $i tahu& -0/0

$a& $i tahu& -0/- &ai( seba&ya( >@ $ai tahu& -0//. Tabel $a&

a!ba ; bei(ut a$alah $ata "e!i&taa& "#$u( make u! tahu& -0/0 <

-0/-.

Tabel Data "e!i&taa& "#$u( make u! tahu& -0/0 < -0/-

)ula& Tahu&

-0/0 4P2s5 -0// 4P2s5 -0/-

4P2s5

Ja&uai -=/.->; /?.0?0

/-./;?'ebuai /=>.0 /8./?;

/>.?/

Maet /=8.0/? /-/./

/=-.=0=

A"il /;/.-; /-/.?0

/=.8>

Mei /;=.= /?.;?8

/?-.-88

Ju&i /;0.=00 /;.;/8

/?;.//

Juli /=/.-00 /8.>>/;.8/

Agustus />0.-;> /=0.=0=

-00.;;>

Se"te!be /-=. />0.??

-00.>;/

O(t#be /.>=; />/.8?

-0?.;/

N#"e!be /;.?/; -0=.?-

/;.?>?

Dese!be -/;./>; ---.

/=>.>?

T#tal -./8-.>;; /.>.80-

-./80.?8>

Su!be * PT VWX 4-0/-5


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/am-ar /ra+k !ermintaan !roduk make u! taun 1202. 1201

4.4.2 Pe*#!#l#% Pe*!%"##%

)e$asa(a& $ata "e!i&taa& "#$u( skin care $a& make u!

tahu& -0/0 <

-0/- $a"at $isi!"ul(a& bah+a $ata "e!i&taa& "#$u( skin care $a&

make u!

be"#la te&$ atau !e&u&%u((a& "#la gea(a&

"e&uu&a&C"etu!buha&


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!e&ggu&a(a& a&alisis Linear Model $a& S #urve Model.

Peba&$i&ga& hasil

analisis time series a&taa linear model" &uadratic model"

ex!onential growtmodel $a& s curve model $a"at $ilihat $ala! Tabel = bei(ut.

Tabel = Peba&$i&ga& MAPE1 MAD $a& MSD $e&ga& timeseries u&tu(

"#$u( skin care

Trend Analysis MAPE MAD MSD %itted TrendE&uation

Linear Model /1;/E0/ 81?E0-1/0E// t B /-?>0-=

>-081>Qt

t B />>88> <

?=1/=Qt 4uadratic Model /1E0/

Ex!onential

818-E0 /1?E// /8=C?-QtQQ-

/rowt

Model

S #urve

Model

/1=8E0/

81-E0

/1==>;8E0/

8.;=>8-E0

/1>=E// t B/-/0-Q4/10-/0QQt5

t B 4/0QQ;5C4;.?=-/ <

-.?-;=E//

0.>/=00Q4/./-0;;QQt55

Pea!ala& "e!i&taa& "#$u( skin care $e&ga& "ehitu&ga&

a&alisis &uadratic model software Mi&itab / u&tu( "e!i&taa&

tahu& -0/8 < -0/ $ihasil(a& forecast "e!i&taa& "#$u( skin care

teti&ggi bea$a "a$a "ei#$e =/


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0

Tabel ? ,asil "ea!ala& "#$u( skin care $e&ga& a&alisis

&uadratic modeltahu& -0/8


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4.6 M#%#e!e% Pe%8e%-#l#% Pe*9e-##%

4.6.1 K+#%""#9 Pe!e9#%#% Raw Material

)esa&ya (ua&titas "e!esa&a& raw material ya&g

$i"esa& #leh

PT. VWX $i$a"at $ai hasil "ehitu&ga& $ata stock $iba&$i&g(a&

$e&ga&

e&2a&a "#$u(si sela!a tiga bula&1 safety stock $a& $ata

outstanding PO

'!urcased order( raw material ya&g a$a $i su!!lier .

Ji(a $ai hasil

"e&g#laha& $ata "ee&2a&aa& (ebutuha& !ateial te$a"at

(e(ua&ga&

"ese$iaa& !a(a a(a& $ibuat(a& "e!esa&a& raw material ya&g

bau ya&g

$isesuai(a& $e&ga& MO9 'minimum order &uantity(1 lead

time $a& +a(tu

$ibutuh(a&&ya raw material tesebut.

4.6.2 Lead Time

Lead time atau %a&g(a +a(tu a&taa "e!esa&a& $a&

"e&gii!a& raw material a&taa !ateial ya&g satu $e&ga& !ateial

ya&g lai&&ya bebe$a satu sa!a lai&. Pe!belia& raw material te$ii

$ai - %e&is1 yaitu *

/. Pe!belia& raw material i!"#


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"ese$iaa& "e&ga!a& 'safety stock( atau sebagai "eli&$u&ga& teha$a"

(eti$a("astia&

"e!i&taa& "#$u( $a& bebea"a "ese$iaa& raw material $i PT. VWX %uga

te!asu(3u&gsi "ese$iaa& antici!ation stock u&tu( !e&ga&tisi"asi (e&ai(a&

"e!i&taa& a(ibat

si3at !usi!a& $ai "e!i&taa& "#$u( (ae&a bebea"a "#$u( ya&g $i"#$u(si

#leh

PT. VWX besi3at !usi!a& .

Met#$e inventory ya&g a$a "a$a PT. VWX a$alah !et#$e

inventory 2a!"ua& a&taa siste! 9 $a& siste! P (ae&a "ei#$e "e!esa&a&

ya&g $i!ili(i #leh PT. VWX ti$a( teta"1 %u!lah "esa&a& ya&g $i"esa& #leh PT.

VWX bebe$a $ala! setia" "e!esa&a&1 safety stock elati3 lebih besa $a&

!e!elu(a& a$!i&istasi ya&g beat u&tu( selalu !e!a&tau ti&g(at "ese$iaa&.


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4

La&%uta& Tabel //

K#$e Pese&tase Pe&ggu&aa&Pese&tase

Ua&g 4@5 Kelas4@5

Kelas

/A00/881 /60001 /A00>-1 010>1 018>=1 018;?1

/00-8;1 /A00-8?1 /600/ 018;?1 018;81 018?81/A000;1 /600/=1 /00/;1 018==1 018==1 018;1

/008/=1 /6008?1 /6000?> 0188=1 018-;1 01->1

/A00-=1 /A008=1 /A0001 01-=1 01-?1 01-01

/00/1 /600/01 /00>? 01-81 01-81 01---1/00/=1 /A008=/1 /00>/1 01-/;1 01-/?1 01-/1

/A00/>1 /008>1 /6000;- 01-0/1 01-0/1 01/?;1

/D00--1 /00-=01 /A008/1 01/?=1 01/?81 01/>1/,0001 /0001 /600-;- 01/?1 01/1 01/1

/00;>1 /6008=?1 /,00/>1 01//1 01/1 01/8;1

/A008;1 /6000?;1 /008= 01/->1 01/-?1 01//1

/008-=1 /600?- 01//81 01/0>

/008/?1 /600-?>1 /00881 01/0>1 01/0>1 01/081/)00/;1 /,008081 /600// 01/001 010>>1 010>;1/,000;1 /,00/=1 /600/;1 010>;1 010>?1 010>1

/A00/>1 /'00?01 /,00--> 010>1 010>1 010>/1

/60081 /600?/1 /00;;1 010>/1 010>01 010;;1/600-1 /008-81/600-?- 010;;1 010;?1 010;?1

/A00->?1 /00-?/1 /,00-;1 010;=1 010;=1 010;81

/,00-=1 /600/>1 /00>= 010;81 010;01 010?>1/A00-=1 /008-1 /E00=?1 010?1 010?1 010?/1

/60081 /6000=1 /600-- 010=1 010=81 010=81

/,00-/1 /,00/1 /600;81 010=01 01081 010-1

/6001 /60080/1 /,00/8- 010>1 010>1 010>1/0001 /600-;01 /,001 010>1 010>1 010;1

/A001 /00801 /,00-/ 010;1 010?1 010=1/600?-1 /,00/-81 /600//01 0101 0101 010-1

/00>01 /600-1 /600/- 010-1 010-1 010/1/,00-/?1 /,00-001 /A000/=1 01001 0108>1 0108;1

/600--/1 /00-1 /,000>? 0108;1 0108?1 0108=1

/A00/=;1 /008-1 /A000/1 01081 010881 010881/,00-8-1 /E00/1 /000=0 0108-1 0108/1 010801

/600-1 /6008;01 /,00/;;1 010801 010-;1 010-?1

/A00=1 /,00-8/1 /E00-= 010-?1 010-?1 010-=1

/60008-1 /E00-1 /,00-=1 010-=1 010-=1 010-1/,00-01 /00?;1 /00? 010-1 010-1 010-1

/,00=81 /00/81 /,00/>1 010-1 010-1 010-1/,00/?01 /60081 /000 010-81 010-81 010-81

/E00-81 /,00-881 /,00=/1 010--1 010--1 010--1

/E000>81 /,00/>01 /6000 010--1 010-/1 010-/1

/6008?1 /,00/;?1 /,00--;1 010-/1 010-01 010/>1

/6008?-1 /008?1 /,00/>8 010/>1 010/>1 010/>1

/,00/?1 /,00/;=1 /,000>=1 010/;1 010/;1 010/;1

/600>1

/'00?>1/A000/

?010/;1010/?1

010/?1

/A

0

0


90/149

0>/1 /6001 /,00/-1 010/?1 010/?1 010/?1

/,000>1 /,00/->1 /,00= 010/1 010/1 010/1

/,00/001 /A00?=1 /600-==1 010/81 010/81 010/81

/,00--?1 /A00-=1 /6008-> 010/-1 010/-1 010/-1/,00-?1 /A00??1 /,00--01 010/-1 010//1 010//1/D008?1 /A000-01 /600> 010//1 010//1 010/01

/,00-0;1 /A00?;1 /,000>>1 010/01 0100>1 0100>1

/00-=/1 /A00-=?1 /,00-> 0100>1 0100>1 0100>1

/1>- )

)

)

)

)

)

)

1/> 6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6

6


91/149

6

La&%uta& Tabel //

K#$e Pese&tase Pe&ggu&aa&Pese&tase

Ua&g 4@5 Kelas4@5

Kelas

/00081 /,00/;1 /,00/1 0100;1 0100;1 0100;1

/A008=1 /A00-01 /00; 0100;1 0100;1 0100?1/,00-1 /,00--1 /,00//;1 0100?1 0100?1 0100=1

/,00/8?1 /00-1 /00;0 0100=1 0100=1 0100=1

/,00-?1 /600?81 /,00-/>1 0100=1 01001 01001

/,000>;1 /600-81 /600; 01001 01001 01001/,00?1 /,00-;1 /600==1 01001 01001 01001

/,00-81 /,00=01 /A000/> 01001 010081 010081

/A008?=1 /600?01 /600>1 010081 010081 010081/E00;/1 /A00;1 /,00>= 010081 010081 010081

/6000-=1 /A00-/81 /6008-?1 010081 0100-1 0100-1

/A000/81 /A000/;1 /,00>? 0100-1 0100-1 0100-1

/6008-1 /,00/?=1 /6008/1 0100-1 0100-1 0100-1/,0081 /,008/1 /6008-; 0100/1 0100/1 0100/1

/,00/-;1 /,00-081 /,00/8=1 0100/1 0100/1 0100/1

/,000;=1 /A00;1 /,00/=- 0100/1 0100/1 0100/1

/6000;81 /60001 /,00881 0100/1 0100/1 0100/1/,008;1 /,0001 0100/1 0100/1

/,008-1/600??1 /6000->1 0100/1 0100/1 0100//A000-?1 /000?1 /600/>?1 0100/1 0100/1 0100/1

/6008>?1 /A008;81 0100/1 0100/1/00=?1/00;-1 /,00/81 0100/1 0100/1 0100/

/,008;1 /,00->-1 /,00= 0100/1 0100/1 0100/1

1/> 6

6

6

6

6

6

6

6

6

6

6

Nilai !utu ya&g $igu&a(a& $ala! a&alisis $e&ga&

!e&ggu&a(a& !et#$e )ayes yaitu sebagai bei(ut *

/.

Kete"ata& +a(tu (ii!1 yaitu (e!a!"ua& "e!as#( !e&gii!

!ateial

ya&g $i"esa& $e&ga& te"at +a(tu. Pe&ilaia& $ilihat $ai $ata

hist#is

"e&gii!a& "e!as#( $ala! !e&gii!. Re&ta&g &ilai !utu ya&g$igu&a(a&

$ala! "e&ilaia& a$alah < /0. Nilai !utu teti&ggi ya&g $igu&a(a&

a$alah

/0 ya&g ati&ya "e&gii!a& lebih 2e"at hai $ai %a$+al

(ii! sehaus&ya1 &ilai tee&$ah ya&g $igu&a(a& a$alah ya&g


92/149

ati&ya "e&gii!a& lebih la!a hai $ai %a$+al (ii! ya&g telah

$iteta"(a&1 se$a&g(a& %i(a "e&gii!a& sesuai $e&ga& %a$+al ya&g

telah $iteta"(a& !a(a &ilai ya&g $ibei(a& a$alah ;. Nilai !utu

$ai (iteia (ete"ata& +a(tu (ii! $a"at $ilihat "a$a Tabel /-.Tabel /- Nilai !utu (iteia (ete"ata& +a(tu (ii!

Nilai Mutu Ketea&ga&

=

?

Pe&gii!a& lebih la hai $ai %a$+al(ii!

sehaus&ya

Pe&gii!a& lebih la!a hai $ai %a$+al (ii!

sehaus&ya

Pe&gii!a& lebih la!a 8 hai $ai %a$+al (ii!

sehaus&ya


93/149

La&%uta& Tabel /-


; Pe&gii!a& sesuai %a$+al

> Pe&gii!a& lebih 2e"at 8 hai $ai %a$+al (ii!

sehaus&ya

/0 Pe&gii!a& lebih 2e"at hai $ai %a$+al (ii!

sehaus&ya

-. Kualitas !ateial1 yaitu (e!a!"ua& "e!as#( !e!"#$u(si !ateial

ya&g

be(ualitas. Pe&ilaia& be$asa(a& seti3i(asi (ualitas ya&g $i!ili(i.

Nilai

teti&ggi ya&g $igu&a(a& a$alah /0 ya&g ati&ya !ateial ya&g

$i(ii!(a&

ti$a( "e&ah re5ect atau sesuai $e&ga& sta&$a (ualitas ya&g

telah

$iteta"(a&1 &ilai tee&$ah ya&g $igu&a(a& a$alah ya&g ati&ya

!ateial

ya&g $i(ii!(a& !e&gala!i re5ect seba&ya( @ $ai t#tal

"e&gii!a&

sela!a / tahu&1 se$a&g(a& %i(a !ateial ya&g $i(ii!(a& !e&gala!i

re5ect

$iatas /@ $a& $iba+ah -@ sela!a / tahu& "e&gii!a& !a(a &ilai

ya&g

$ibei(a& a$alah ;. Nilai !utu $ai (iteia (ualitas !ateial $a"at

$ilihat "a$a Tabel /8.

Tabel /8 Nilai !utu (iteia (ualitas !ateial


Re5ect @

= 8@ Re5ect @


94/149

? -@ Re5ect 8 @

; /@ Re5ect - @

> 0@ Re5ect / @

/0 Re5ect 0@

8.

Ke!a!"ua& (#!u&i(asi $ai "e!as#(1 yaitu (e!a!"ua& "e!as#(

$ala!

be(#!u&i(asi se2aa u!u! $e&ga& "iha( "e!beli. Nilai teti&ggi

ya&g

$igu&a(a& a$alah /0 ya&g ati&ya su!!lier sa&gat (#!u&i(ati3

$e&ga&

"iha( "e!beli1 &ilai tee&$ah ya&g $igu&a(a& a$alah ya&g

ati&ya

su!!lier sa&gat (#!u&i(ati3 $e&ga& "iha( "e!beli1 se$a&g(a&

%i(a

su!!lier !e!"u&yai (#!u&i(ati3 ya&g bai( $e&ga& "iha( "e!beli

!a(a

&ilai ya&g $ibei(a& a$alah ;. Nilai !utu $ai (iteia

(e!a!"ua&

(#!u&i(asi $ai "e!as#( $a"at $ilihat "a$a Tabel /.


95/149

)

Tabel / Nilai !utu (e!a!"ua& (#!u&i(asi $ai "e!as#(


Sa&gat ti$a( (#!u&i(ati3

= Kua&g (#!u&i(ati3

? 6u(u" (#!u&i(ati3

; K#!u&i(ati3

> Lebih (#!u&i(ati3

/0 Sa&gat (#!u&i(ati3

. ,aga1 yaitu "e&ilaia& be$asa(a& haga "e&a+aa& $ai "e!as#(

seta(e!u&g(i&a& "#te&si !ela(u(a& "e&ghe!ata& $i !asa $e"a&.

Nilai

teti&ggi ya&g $igu&a(a& a$alah /0 ya&g ati&ya "e&a+aa&

ya&g

$ibei(a& su!!lier sa&gat ti&ggi $ai haga "asa1 &ilai tee&$ah

ya&g

$igu&a(a& a$alah ya&g ati&ya "e&a+aa& ya&g $ibei(a&

su!!lier

sa&gat e&$ah $ai haga "asa1 se$a&g(a& %i(a "e&a+aa& ya&g

$ibei(a&

su!!lier sesuai $e&ga& haga "asa !a(a &ilai ya&g $ibei(a&

a$alah ;.

Nilai !utu $ai (iteia haga "e&a+aa& $ai "e!as#( $a"at $ilihat

"a$a

Tabel /.

Tabel / Nilai !utu haga


Pe&a+aa& $ai sa&gat e&$ah

= Pe&a+aa& $ai "e!as#( 2u(u" e&$ah

? Pe&a+aa& $ai "e!as#( e&$ah


96/149


97/149

(

Tabel /= Nilai !utu lead time


Lead time / bula&

= Lead time / bula&

? / bula& lead time - bula&

; - bula& lead time 8 bula&

> 8 bula& lead time bula&

/0 lead time bula&

)#b#t ya&g $ibei(a& $ala! !et#$e )ayes u&tu( ti&g(at

(e"e&ti&ga& ya&g lebih ti&ggi !e!"u&yai s(ala &ilai ya&g lebih ti&ggi1sebali(&ya b#b#t ya&g !e!"u&yai s(ala &ilai ya&g lebih e&$ah

!e&u&%u((a& ti&g(at (e"e&ti&ga& ya&g e&$ah. Ju!lah b#b#t (iteia

(eseluuha& $ala! !et#$e )ayes !e!"u&yai &ilai t#tal B /. Nilai $ai

!asi&g

teha$a" (iteia tesebut.

)e$asa(a& &ilai !utu ya&g telah $iteta"(a& u&tu( setia"

(iteia1

!a(a $a"at $ibuat(a& !#$el "ehitu&ga& )ayes u&tu( !asi&g<

!asi&g

!ateial $e&ga& (iteia ya&g telah $iteta"(a&1 sehi&gga $ai

!#$el

"ehitu&ga& )ayes tesebut a(a& $i$a"at &ilai alte&ati3 $a& "ei&g(at

u&tu(

!asi&g

sehi&gga

!e!"u&yai "ei&g(at ya&g teti&ggi. ,asil "ehitu&ga& )ayes $i$a"at 8

raw


98/149

material ya&g !e!"u&yai &ilai alte&ati3 teti&ggi1 yaitu 4/D000085

Lay&1

4/600005 Tea $a& 4/'008;5 6#:ali" ya&g !e!"u&yai &ilai

alte&ati3!asi&g

Tabel /? M#$el "ehitu&ga& )ayesKiteia

K#$eMateial Kete"ata&

+a(tu

(ii!

NilaiKe!a!"ua&

Pei&g(atKualitas ,aga Lea$ti!e Alte&ati3

K#!u&i(asi/D00008 ? > ; > > ;18

/

/60000 ? > ; > > ;18-

/'008; ? > ; > > ;188

/00-?? ; > ? ; ; ;1-

/)008-/ ? > ; > ; ;1-

/00/8> ; > ; ; ? ;1-=

/0080= ; > ; ; ? ;1-?

/600-? ? > ; > ; ;1-;

/0080- ; > ; ? ; ;1/

>/00/? ; > ; ? ; ;1/

/0

/A000> ; > ? ; = ;//


99/149

'

La&%uta& Tabel /?

K#$eMateial

Kete"ata&

+a(tu (ii!Kualitas

Kiteia

Ke!a!"ua&,aga

Lea$ti!e K#!u&i(asi

NilaiPei&g(a

t Alte&ati3

/A0000/ ; > ? ; = ;/-

/600/0 ; > ? ? ? ?1>/8

/E008/ ; > ? ? ? ?1>/

/D00- ? > ; ; ? ?1>

//6000// ; > ? ? = ?1;

/=

/6008 ; > ? ? = ?1;/?

/6000- ; > ? = ? ?1?/;

/A00/ ; > ? = ? ?1?/>

/600/0 ; > ? = ? ?1?-0

/6008/ ? > ; ? ? ?1?-/

/A00-=8 ; > ? = ? ?1?--

/600>; ; > ? = ? ?1?-8

/A0008 ; > ? = = ?1=-

/E000?8 ; > ? = = ?1=-

/60000- ; > ? = = ?1=-=

/A0000= ; > ? = = ?1=-?

/A0000? ; > ? = = ?1=

-;/600?/ ; > ? = = ?1=

->

/6000/0 ; > ? = = ?1=80

)#b#tKiteia 018 018 01/ 01- 01/

4..2 A%#l99 Pe%8e%-#l#% Pe*9e-##% Pe*+9#h##%


100/149


101/149


102/149

SS B 4PL5 s

B 8 4018/-85

->? (g B /.=-/1--

(g

Taget "ese$iaa& 4T5

T B 44P L5 AU5 SSB 44018/- 85 /.=-8 (g5

/.=-/1-- (g B =.>>=1;>; (g

/. Raw Material @100004 Te#

)iaya "esa&a& "e "e!esa&a& 4S5 * R" =0.0001<

Pe!i&taa& "e bula& 4AU5 * /.>; (gCbula&

Pe!i&taa& "e tahu& 4D5 * -8.8? (gCtahu&

Pese&tase biaya "e&yi!"a&a& 4i5* -18-@ B 010-8-


103/149

41

)iaya "e u&it 465 * R" 8.??;1>1?@

Stock out !ercent * 018@

Sta&$a $e:iasi 4s5 * 80

Me"7-e ?Ju!lah "esa&a& e(#!is 4EO9 atau 95

EO9 B

EO9 B

B /.;8;1->/ (g

Ju!lah safety

stock 4SS5 SS B

s

B -1;

80 B

/.=>?10>

(g

Titi( "e!esa&a& (e!bali atau reorder !oint 4ROP5 ROP B 4LD AU5 SS

B 48 /.>; (g5

/.=>?10> (g B ?./10>

(g

Periodic Review SystemPei#$e "e!esa&a& #"ti!al 4P5

P B

P B


104/149


105/149

42

. Raw Material @1F004( 73#l;

)iaya "esa&a& "e "e!esa&a& 4S5* R" =0.0001<

Pe!i&taa& "e bula& 4AU5 * /0= (gCbula&

Pe!i&taa& "e tahu& 4D5 * /.-? (gCtahu&

Pese&tase biaya "e&yi!"a&a& 4i5 * 01;?@ B 0100;?

)iaya "e u&it 465 * R" -/.?81>1?@


Sta&$a $e:iasi 4s5 * ;

Me"7-e ?

Ju!lah "esa&a& e(#!is 4EO9

atau 95

EO9 B

EO9 B

B -?/1? (g

Ju!lah safety

stock 4SS5 SS B

s

B -1;

;

B

-8-1?;?

(g



106/149

B 48 /0= (g5

-8-1?;? (g B 01?;?

(g

Periodic Review SystemPei#$e "e!esa&a& #"ti!al 4P5

P B

P B

B 010-/ tahu& 1->- hai 01--

bula&

Asu!si *

/ bula& B -/ hai (e%a

/ tahu& B -- hai (e%a


107/149

4

Ju!lah safety stock 4SS5

SS B s

B -1; ; (g B --18=? (g

Taget "ese$iaa& 4T5

T B 44P L5 AU5 SS

B 4401-- 85 /0= (g5 --18=? (g B ;?10?> (g

-. Raw Material @1000)( #9"7* Ol

)iaya "esa&a& "e "e!esa&a& 4S5 * R" =0.0001<

Pe!i&taa& "e bula& 4AU5 * /-0 (gCbula&

Pe!i&taa& "e tahu& 4D5 * /.8 (gCtahu&

Pese&tase biaya "e&yi!"a&a& 4i5 * 01/-?@ B 0100/-?

)iaya "e u&it 465 * R" 8/.>/01>1?@


Sta&$a $e:iasi 4s5 *

Me"7-e ?Ju!lah "esa&a& e(#!is 4EO9 atau 95

EO9 B

EO9 B

B -0=10=8 (g

Ju!lah safety stock 4SS5 SS B

s

B -1;

B

-==1?8


108/149

(g


B 48 /-0 (g5

-==1?8 (g B =-=1?8

(gPeriodic Review SystemPei#$e "e!esa&a& #"ti!al 4P5

P B


109/149

44

P B

B 01/8 tahu& 8=108= hai /1?/=

bula&

Asu!si *

/ bula& B -/ hai (e%a

/ tahu& B -- hai(e%aJu!lah safety stock 4SS5

SS B s

B -1; (gB 8/1?08 (g

Taget "ese$iaa& 4T5

T B 44P L5 AU5 SS

B 44/1?/= 85 /-0 (g5

8/1?08 (g B ;;01=-8 (g

4..4 Pe*/#%-%8#% B#


110/149

)iaya t#tal atau total cost 4T65

T6 B D6 S SS Au P i6

B />.?/ (g R" /-;.?-=1


111/149

46

B R" .0/8.=?.;>-1<

/. Raw Material @100004 Te#

Me"7-e ?)iaya t#tal atau total cost 4T65

T6 B D6 S SS i6

T6 B -8.8? (g R" 8.??;1


112/149

Periodic Review System)iaya t#tal atau total cost 4T65

T6 B D6 S SS Au P i6

B /.-? (g R" -/.?81


113/149

4

B R" 8//./0?.8;01<

Me"7-e ;e*+9#h##%T6 B 46 D 5 4S &5 46 D /00@5

B 4R" -/.?81/01/01/01/01-.-8?.;;01<

)e$asa(a& hasil "e&g#laha& $ata $e&ga& !et#$e 9 $a& !et#$e

P seta !et#$e ya&g sela!a i&i $ila(u(a& "eusahaa&1 e(a"itulasi

"e&g#laha& $ata u&tu( !e&gga!ba(a& a&alisa ya&g telah $i"e#leh

$a& $i#lah sesuai (ebutuha& $a"at $ilihat "a$a Tabel /;.

Tabel /; Re(a"itulasi hasil "e&g#laha& $ata

Raw Material #ode


114/149

Met#$e 4/D000085 4/600005 4/'008;5 4/6000?;5Satua&

Laly& Tea 6#:ali" 6ast# Oil

9 EO9 /018// /.;8;1-> -?/1? -0=10=8(g

SS /.81-? /.=>?1/ -8-1?;? -==1?8

(g

ROP =./-1-? ?./1/ 01?;? =-=1?8

Kg

T6 -.--.>.>- ;8;.;8.0 80;.>;=.-8; ?.-=.=R"


115/149

4)

La&%uta& Tabel /;

Met#$e4/D000085

Laly&

Raw Material #odeSatua&

4/600005 4/'008;5 4/6000?;5Tea 6#:ali" 6ast# Oil

P

PT

VWX

P

=1-

SS

/.=-/1-

T

=.>>=1>0

T6

-..?=0.>/=

T6

.0/8.=?.;>-

/>1== 1->- 8=108=,ai

/.>1-= --18=? 8/1?08(g

>.=//1; ;?10?> ;;01=-8

(g

;8?.;8;.=/ 8//./0?.8;0 ?.;?/./->

R"

/.=?8.8/.00 =/?./=.=0 >-.-8?.;;0

R"

4..6 A%#l99 Pe%8e%-#l#% Pe*9e-##% - M#9# Me%-#"#%8

)e$asa(a& hasil "e&g#laha& $ata "e!a(aia& raw materialtahu&

-0/0 < -0/- $e&ga& !e&ggu&a(a& software Mi&itab / a&alisis time

series

$i$a"at ti&g(at a(uasi "ea!ala& ya&g ti&ggi u&tu( raw material

4/600005

Tea1 4/D000085 Laly&1 4/'008;5 6#:ali"1 $a& 4/6000?;5 6ast#

Oil

$e&ga& &ilai MAD1 MAPE $a& MSD ya&g se!a(i& (e2il yaitu

"ea!ala&

$e&ga& !e&ggu&a(a& a&alisis &uadratic model1 telihat $ala! Tabel

/>.

Tabel /> Peba&$i&ga& MAPE1 MAD $a& MSD $e&ga& time


116/149


117/149

4(

)e$asa(a& Tabel /> trend analysis &uadratic model

4/600005 Tea

!e!"u&yai MAD B -?1001 MAPE B /?100 $a& MSD B

///.;>8100.

4/D000085 Laly& !e!"u&yai MAD B --;1001 MAPE B /;1 $a&

MSD B

;>.=?;10. 4/'008;5 6#:ali" !e!"u&yai MAD B ->10?1 MAPE B ;-1-;

$a& MSD B /.8/;1> $a& 4/6000?;5 6ast# Oil !e!"u&yai MAD B

=01=01 MAPE B =>/10 $a& MSD B -/.--1;0.

Pea!ala& "e!a(aia& raw material

4/600005 Tea1

4/D000085

Laly&1 4/'008;5 6#:ali" $a& 4/6000?;5 6ast# Oil u&tu( tahu&

-0/8 <

-0/ $e&ga& analisis &uadratic model $a"at $ilihat "a$a Tabel -0.

Tabel -0 Pea!ala& "e!a(aia& 4/600005 Tea1 4/D000085 Laly&1

4/'008;5 6#:ali" $a& 4/6000?;5 6ast# Oil tahu& -0/8 <

-0/ $e&ga& a&alisis &uadratic model

Pei#$e 4/600005

'#e2ast Tea 4(g54/D000085 4/'008;5

Laly& 4(g5 6#:ali" 4(g5

4/6000?;5

6ast# Oil4(g5

8? -./8010 /.=>>1> //=1=>

-/818?=

8; -./=1;= /.?/?10 //;1/0--1>;>

8> -.-0-1> /.?81?? //>10

-8=1>0

0 -.-/18- /.?1?/ /-01;=

->1/-

/ -.-;01>? /.??1-- /--1-0

-=/1=>

- -.8-/1>0 /.?>180 /-81/-?1??

8 -.8=1// /.;/1> /-1;0


118/149

-;?1=0>

-.0?1> /.;8=1/? /-=10=

80/10

-.-18= /.;?1> /-?1->8/1?;

= -.>;10 /.;;018/ /-;10

8-;1;-;

? -.1?- /.>081- /->1=;

881/?=

; -.>188 /.>-=1? /801;8

8?1;-?

> -.=1-/ /.>01;0 /8/1>=8?-1?;8

0 -.=>18? /.>?1 /8810=

8;;108

/ -.??1;0 -.0001= /81/8

081=0=

- -.;0/1- -.0-=1- /81/;/>1?

8 -.;=1- -.0-1?= /8=1-0

81=

-.>/-1?> -.0?>1=? /8?1-0

-1/-

-.>?018 -./0?1/= /8;1/=

=;1>

= 8.0->1/; -./81-/ /8>1//;1>;8

? 8.0;>1-> -./=81;8 /010-

0818?

; 8./01=; -./>810- /01>/

-/10=/

> 8.-/818 -.---1?; //1??8>10=

=0 8.-??180 -.-81// /-1=/

?18

=/ 8.8-18 -.-;10/ /81-

?1>>

=- 8.0>108 -.8/1; /1-0

>1;=

=8 8.?=1;- -.8?1- /1>=

=/10?=


119/149

4'

La&%uta& Tabel -0

Pei#$e 4/600005

'#e2ast Tea 4(g5 4/D000085 4/'008;5

Laly& 4(g5 6#:ali" 4(g5

4/6000?;5

6ast# Oil

4(g5= 8.1;; -.8;01/8 /1=>

=881>/

= 8.=/=1-- -./8180 /=18>

=81/

== 8.=;?1; -.?10 /?10?=?8188

=? 8.?=01? -.;/18? /?1?-

=>81>==; 8.;81>8 -./=1- /;18

?/1=>

=> 8.>/018> -./1?/ /;1>

?81?-

?0 8.>;?1/- -.;?1?8 />1/

??10=

?/ .0=1/ -.=-18- /010=

??;1?0=

?- ./18 -.==/1> /01;

;001=8

T#tal /0;.8?10 ?=.==1 .>01/;

/?./=?1-

Rata


120/149

!ateial ya&g !asu( $ala! (elas A a(a& $i$a"at 8 raw material ya&g

!e!"u&yai &ilai alte&ati3 teti&ggi1 yaitu 4/D000085 Laly&1 4/600005 Tea

$a& 4/'008;5 6#:ali" ya&g !e!"u&yai &ilai alte&ati3 !asi&g

"ese&tase "e&ggu&aa& ua&g !asi&g?@1 -18-@ $a& 01;[email protected]! 9 u&tu( !ateial 4/'008;5 6#:ali" $a& !ateial 4/6000?;5

6ast#

Oil !e!ili(i total cost 4T65 lebih e&$ah $iba&$i&g(a& %i(a !e&ggu&a(a&

siste! P.

T6 u&tu( 4/'008;5 6#:ali" sebesa R" 80;.>;=.-8;1< $a& T6 u&tu(

4/6000?;5

6ast# Oil sebesa R" ?.-=.=1< . Siste! P u&tu( !ateial 4/D000085 Laly&

$a&

4/600005 Tea !e!ili(i total cost 4T65 lebih e&$ah $iba&$i&g(a& %i(a

!e&ggu&a(a&

siste! 9. T6 u&tu( 4/D000085 Laly& sebesa R" -..?=0.>/=1< $a& T6

u&tu(

4/600005 Tea sebesa R" ;8?.;8;.=/1


121/149

60

a$alah -?/1? (g1 $a& 4/6000?;5 6ast# Oil a$alah -0=.0=8 (g. Ju!lah i&i

a(a& $isesuai(a& $e&ga& original !acking siBe !asi&g

yaitu 4/D000085 Laly& a$alah /; (g1 4/600005 Tea a$alah -8- (g1

4/'008;5 6#:ali" a$alah -0 (g $a& 4/6000?;5 6ast# Oil a$alah /> (g.

Titi( "e!esa&a& (e!bali 'reorder !oint( u&tu( 4/D000085 Laly&a$alah

=./-1-? (g1 4/600005 Tea sebesa ?./1/ (g $a& 4/'008;5 6#:ali"

sebesa 01?;? (g $a& 4/6000?;5 6ast# Oil sebesa =-=1?8 (g. Pe!esa&a&

a(a& $ila(u(a& %i(a "ese$iaa& telah !e&2a"ai reorder !oint .

Pea!ala& "e!a(aia& 4/600005 Tea1 4/D000085 Laly&1

4/'008;5 6#:ali" $a& 4/6000?;5 6ast# Oil

tahu& -0/8 < -0/ $e&ga& a&alisis &uadratic model $a"at $igu&a(a&

"eusahaa& sebagai "esia"a& (ebutuha& raw material $i !asa !e&$ata&g1

$a& siste! "e&ge&$alia& "ese$iaa& bai( $e&ga& !et#$e 9 !au"u& !et#$e P

$a"at $itea"(a& "a$a "eusahaa&.


122/149

KESIMPULAN DAN SARAN

A. Ke9!;+l#%

/. Ma&a%e!e& "ese$iaa& "a$a PT. VWX be$asa(a& hasil a&alisa A)6

!e&2a(u"

80 raw material ya&g !asu( $ala! (elas A1 0 raw material $ala!

(elas )1 $a& /;? raw material $ala! (elas 6.

-. Ti&g(at safety stoc( ya&g #"ti!al u&tu( raw material ya&g

$ia&alisa $e&ga&

!et#$e 9 a$alah 4/D000085 Laly& B /.81-= (g1 4/600005 Tea B

/.=>?1/

(g1 4/'008;5 6#:ali" B -8-1?;? (g1 4/6000?;5 6ast# Oil B -==1?8 (g.

Ti&

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