material and capacity requirements planning (mrp and crp) part -2
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7/23/2019 Material and Capacity Requirements Planning (MRP and CRP) Part -2
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HEPAVKEC ED@ LEZELKP[ VAUQKVAHADP\
ZCEDDKDN (HVZ ED@ LVZ)
Zert -6
@r. Hemhiu` Effes Hemhiu` Ec-Dekhk
Esskstedt Zrioassir
K d`ustrk ec Adnkdaark dn Fredlm
@aperthadt io Zri`ultkid Adnkdaarkdn ed` Hateccurny
Qdkvarskty io Palmdiciny
Fenm`e` - K req`r.hemhiu`ecdekhkJuitalmdiciny.a`u.kq
`r.hemhiu`ecdekhkJyemii.lih
6:51 - 6:5?
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?6:5-16:5 @r. Hemhiu` Effes Hemhiu`Zri`ultkid Zceddkdn ed` Lidtric
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?.< HVZ CINKL
Oicciwkdn era siha io tma tarhs oraquadtcy usa` id (lihputarkza`) HVZ pceddkdn
oirhs. Dita, miwavar, tmet dit ecc prinrehs usa tma seha tarhs ir privk`a tma seha
`atekc io kdoirhetkid.
5. Nriss raqukrahadts7 Zrigalta` daa`s oir rew hetarkecs, lihpidadts,
sufessahfckas, ir okdksma` nii`s fy tma ad` io tma parki` smiwd. Nriss raqukrahadts
liha orih tma hestar slma`uca (oir ad` ktahs) ir orih tma lihfkda` daa`s io itmar
ktahs.
6. \lma`uca` ralakpts7 Hetarkecs ecrae`y id ir`ar orih e vad`ir ir kd-miusa smip
`ua ti fa ralakva` et tma fankddkdn io tma parki`. HVZ oirh smiws quedtkty ed`
prigalta` tkha io ralakpt. (Dita7 \iha HVZ oirhs kdlcu`a pcedda` ralakpts mara tii.)
<. Id med`/evekcefca7 Pma quedtkty io ed ktah axpalta` ti fa evekcefca et tma ad` io
tma tkha parki` kd wmklm kt ks smiwd. Pmks kdlcu`as ehiudt evekcefca orih pravkius
parki` pcus pcedda`-ir`ar ralakpts ed` slma`uca` ralakpts cass nriss raqukrahadts.
0. Dat raqukrahadts7 Dat ehiudt daa`a` kd tma parki`. Pmks aquecs tma nriss
raqukrahadts cass edy prigalta` kdvadtiry evekcefca orih tma pravkius parki` ecidn
wktm edy slma`uca` ralakpts.
1. Zcedda`-ir`ar ralakpt7 Hetarkecs tmet wkcc fa ir`ara` orih e vad`ir ir kd-miusa
smip ti fa ralakva` et tma fankddkdn io tma parki`. Itmarwksa kt ks skhkcer ti e
slma`uca` ralakpt.
?. Zcedda`-ir`ar racaesa7 Pma pcedda` ehiudt ti fa ir`ara` kd tma tkha parki`
e`gusta` fy tma cae`-tkha ioosat si tmet hetarkecs wkcc fa ralakva` id slma`uca. Idla
tma ir`ars era eltueccy racaesa`, tma pcedda`-ir`ar racaesas era `acata` orih tma oirh
ed` tma pcedda`-ir`ar ralakpts tmay nadareta` era lmedna` ti slma`uca` ralakpts.
Pma hestar pri`ultkid slma`uca `kltetas nriss ir prigalta` raqukrahadts oir ad` ktahs
ti tma HVZ systah. Nriss raqukrahadts `i dit teba elliudt io edy kdvadtiry id med`
ir id ir`ar. Pma HVZ lihputar prinreh tmad –axpci`as‘ tma ad`-ktah `ahed`s kdti
raqukrahadts oir lihpidadts ed` hetarkecs fy prilasskdn ecc racavedt fkccs io hetarkecs
id e cavac-fy-cavac (ir skdnca-cavac) fesks. Dat raqukrahadts era tmad lecluceta` fy
e`gustkdn oir axkstkdn kdvadtiry ed` ktahs ecrae`y id ir`ar es ralir`a` kd tma
kdvadtiry stetus okca.
Dat raqukrahadts 8 nriss raqukrahadts “ (id med`/evekcefca + slma`uca` ralakpts) … ?.5
Ir`ar racaesas era pcedda` oir lihpidadts kd e tkha-pmesa` heddar (uskdn cae`-tkha
`ete orih tma kdvadtiry okca) si tmet hetarkecs wkcc errkva pralksacy wmad daa`a`. Et
tmks stena tma hetarkec ks raoarra` ti es e pcedda`-ir`ar ralakpt. ^mad tma ir`ars eraeltueccy kssua` ti vad`irs ir ti kd-miusa smips, tma pcedda` ralakpts faliha slma`uca`
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ralakpts. Pma kdvadtiry id med` et tma ad` io e parki` ks tma suh io tma pravkius parki`
id-med` ehiudt pcus edy ralakpts (pcedda` ir slma`uca`) cass tma nriss raqukrahadts.
Id med`/evekcefca 8 id med` et ad` io pravkius parki` + ralakpts “ nriss raqukrahadts …?.6
KCCQ\PVEPKID 07 E okrh pri`ulkdn wmaacferriws ks axpalta` ti `ackvar 0:
wmaacferriws kd waab 5, ?: kd waab 0, ?: kd waab ?, ed` 1: kd waab =. Ehidn tma
raqukrahadts oir aelm wmaacferriw era twi med`cafers, e wmaac essahfcy, ed` ida
tkra oir tma wmaac essahfcy. Ir`ars quedtktkas, cae` tkhas, ed` kdvadtirkas id med` et
tma fankddkdn io parki` 5 era smiwd kd Pefca ?.1.
Pefca ?.1 FIH ed` kdvadtiry `ete oir wmaacferriw lihpidadts
*;: wmaac essahfckas era ecsi daa`a` kd parki` 1 oir e ner`ad treltir smkphadt.
E smkphadt io <:: med`cafers ks ecrae`y slma`uca` ti fa ralakva` et tma fankddkdn io
waab 6 (k.a., e slma`uca` ralakpt). Lihpcata tma HVZ oir tma med`cafers, wmaac
essahfckas, ed` tkras2 ed` smiw wmet quedtktkas ir ir`ars hust fa racaesa` ed` wmad
tmay hust fa racaesa` ti setksoy tma hestar slma`uca.
\ICQPKID7 Pefca ?.? `apklts tma hestar slma`uca ed` lihpidadt pert slma`ucas.
^a smecc essuha tmet tma lustihar lihpcatas tma okdec essahfcy, si di tkha ecciwedla
ks raqukra` tmara. Dita tmet faleusa aelm wmaacferriw raqukras twi med`cafers, tma
nriss raqukrahadts oir med`cafers era `iufca tma duhfar io ad` pri`ults. Pmus tma
nriss raqukrahadts kd parki` 5 era 0: Þ 6 8 =: udkts.
Pefca ?.? (e) Ad` ktah Hestar slma`uca2 wmaacferriws
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Pefca ?.? (f) Hestar slma`uca ed` HVZ lihpidadt pceds oir wmaacferriws
* Vaqukrahadts orih editmar pri`ult (ner`ad treltir) tmet usas tma seha wmaac
essahfcy.
Pma 5:: med`cafers id med` et tma fankddkdn io parki` 5 era e`aqueta ti suppcy tma
nriss raqukrahadt io =: med`cafers, caevkdn 6: id med` et tma ad` io parki` 5. ^ktm
tma (slma`uca`) ralakpt io <:: med`cafers kd parki` 6, tma id-med` kdvadtiry rahekdse`aqueta udtkc tma ad` io waab =, wmad =: udkts era id med`. Miwavar, tma nriss
raqukrahadt oir 5:: udkts kd parki` ; axlaa`s tma id-med` kdvadtiry. Pmks rasucts kd
dat raqukrahadts (uskdn Aq. ?.5) io 5:: “ =: 8 6: udkts. Pi setksoy tmks, e pcedda`-
ir`ar ralakpt oir tma sted`er` ir`ar quedtkty (<::) ks slma`uca` oir tma fankddkdn io
parki` =. Kd si oer es tma med c̀afers meva e 6 waab cae`-tkha, tma pcedda` ir`ar oir tma
Med`ca fers hust fa racaesa` 6 waabs aerckar (waab ?). Pma pcedda` ir`ar ralakpt wkcc
rasuct kd e prigalta` ad`-io-parki` id-med` kdvadtiry (uskdn Aq. ?.6) io =: + <:: “
5:: 8 6=: udkts.
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?.0 \[\PAH VAOKDAHADP\
Bay oaeturas io HVZ systahs era (5) tma nadaretkid io ciwar-cavac raqukrahadts, (6)
tkha pmeskdn io tmisa raqukrahadts, ed` (<) tma pcedda`-ir`ar racaesas tmet ociw orih
tmah. Dita pertklucercy tmet pcedda`-ir`ar racaesas io peradt ktahs nadareta nriss
raqukrahadts et tma lihpidadt cavac (a.n ., tkras).
E``ktkidec oaeturas io hedy HVZ systahs era tmakr lepefkckty ti med`ca (e)
skhucetkids, (f) okrh-pcedda` ir`ars, (l) pannkdn, ed` (`) tma evekcefkckty io pceddkdn
fkccs io hetarkec.
\khucetkid7 Pma skhucetkid lepefkckty ecciws pceddars ti –trkec okt‘ e hestar slma`uca
idti tma HVZ systah faoira tma slma`uca ks eltueccy ellapta` ed` racaesa`. ^ktm tmks
oaetura, e pceddar led –try‘ e pitadtkec lustihar ir`ar id tma systah ti saa ko hetarkecs
ed` `ackvary `etas led fa hat avad faoira tma ir`ar ks ellapta`. Ko cae` tkhas,
hetarkecs, ed` lepelktkas era suooklkadt, tma ir`ar led fa ellapta`2 itmarwksa, lmednas
kd quedtktkas ir `ackvary tkhas hey meva ti fa danitketa`, ir tma ir`ar hey avad meva
ti fa turda` `iwd.
Okrh-Zcedda` Ir`ars7 \ihatkhas tma –dirhec‘ heduoelturkdn tkhas era dit adiunm
ti haat ed aharnadly, salura e spalkec ir`ar, ir sarvkla e vecua` lustihar. Okrh-
pcedda` ir`ar lepefkckty adefcas pceddars ti kdstrult tma lihputar ti ellapt lartekd
raqukrahadts, avad tmiunm dirhec HVZ cinkl wiuc` eutihetkleccy `acey ir raslma`uca
sulm ir`ars. Fy `askndetkdn lartekd ir`ars es –okrh-pcedda` ir`ars,‘ pceddars led
adsura tmet tma lihputar wkcc dit eutihetkleccy lmedna tma racaesa `eta, tma pcedda`-
ir`ar ralakpt `eta, ir tma ir`ar quedtkty. Kd e``ktkid, tma systah led astefcksm e –tkha
oadla‘ eriud` tma pcedda`-ir`ar racaesa `eta ti pralcu`a tma slma`uckdn io itmar
ir`ars daer tmet tkha si es ti adsura tmet rasiurlas era evekcefca ti `i tma spalkec gif.
Zannkdn7 Zannkdn raoars ti tma efkckty ti wirb felbwer` orih lihpidadt
raqukrahadts ti k`adtkoy tma peradt ktah, ir ktahs tmet nadareta` tmisa raqukrahadts.
Oir axehpca, suppisa ed eutihifkca heduoelturar caerda` tmet siha io tma freba
hetarkecs (ecrae`y usa` kd pri`ultkid) wara `aoaltkva. Pma –wmara usa`‘ pannkdn okca
wiuc` ecciw pri`ultkid edecysts ti trela raqukrahadts upwer` kd tma pri`ult strultura
traa ti `atarhkda wmet ad`-ktah hi`acs lidtekda` tma `aoaltkva lihpidadts.
Hi`ucer ed` Zceddkdn Fkccs7 Hi`ucer fkccs io hetarkecs `aslrkfa tma pri`ult
strultura oir feskl sufessahfckas io perts tmet era lihhid ti `kooaradt ad` ktahs. Oir
axehpca, savarec hi`acs io e heduoelturar‛s eutihifkcas hey lidtekd tma seha
tredshksskid, `rkva trekd, ekr-lid`ktkidkdn, ed` frebkdn systahs. Fy slma`uckdn tmasa
ktahs es (lihhid) hi`ucas, pri`ultkid led sihatkhas fa hira aooaltkvacy
–shiitma`‘ ed` kdvadtiry kdvasthadt hkdkhkza`.
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?.1 \EOAP[ \PILB, CIP \KWKDN ED@ \[\PAH QZ@EPKDN
\eoaty stilb7 Dita tmet tma HVZ lihpidadt pced smiwd kd Pefca ?.? kdlcu`as spela
oir ed adtry io seoaty stilb. Ectmiunm ida io tma raesids oir uskdn HVZ ti hedena
`apad`adt `ahed` kdvadtiry ktahs ks ti evik` tma daa` oir seoaty stilb, kd raeckty
okrhs hey acalt ti lerry seoaty stilb id siha ktahs oir e verkaty io raesids7 \eoaty
stilb ehiudts era sihatkhas `a`ulta` faoira smiwkdn tma Id med`/Evekcefca
quedtktkas.
Oicciwkdn era siha io tma raesids oir lerrykdn seoaty stilb io lihpidadts id ed HVZ
oirhet
5. Dit ecc `ahed` ks `apad`adt. \iha ktahs (a.n., rapekr perts) hey meva e sarvkla
raqukrahadt tmet mes ed kd`apad`adt ̀ ahed` lihpidadt.
6. _erkefca cae` tkhas orih suppckars era e lihhid siurla io udlartekdty ti hedy
okrhs.
<. Okrhs hey axparkadla helmkda fraeb`iwds, slrep cissas, ed` cest-hkduta lustihar
lmednas.
Cit skzkdn7 Ir`ar quedtktkas era dit ecweys spalkoka` kd e`vedla. @kooaradt cit-skzkdn
hatmi`s era kd usa, tmay era (5) okxa`-ir`ar quedtkty ehiudts, a.n., <:: med`cafers2 (6)
AIU ehiudts RAIU hatmi` wkcc fa axpcekda` cetar idX2 (<) cit oir cit, wmklm ks
ir`arkdn tma axelt ehiudt io tma dat raqukrahadts oir aelm parki`2 (0) okxa` parki`
raqukrahadts, a.n., e 6-hidtm suppcy2 ed` (1) verkius caest-list epprielmas, a.n., caest-
udkt list, caest-titec list.
Pma pert-parki` ecnirktmh ks e hatmi` tmet usas e retki io ir`arkdn lists ti lerrykdn
lists par parki`, wmklm ykac`s e pert-parki` duhfar. Pmad raqukrahadts oir lurradt
ed` outura parki`s era luhuceta` udtkc tma luhucetkva mic`kdn list (kd pert-parki`
tarhs) ks es lcisa es pisskfca ti tmks duhfar.
\ystah up`etkdn7 HVZ systah `asknds typkleccy usa ida io twi hatmi`s ti prilass
`ete, up`eta okcas, ed` adsura tmet tma systah kdoirhetkid ks veck` ed` lidoirhs wktm
eltuec7 (5) ranadaretkva prilasskdn ir (6) dat lmedna prilasskdn.
Vanadaretkva HVZ systahs7 usa fetlm prilasskdn ti rapced tma wmica systah (oucc
axpciskid io ecc ktahs) id e ranucer fesks (a.n., waabcy).
Dat lmedna HVZ systahs7 era idckda ed` raelt lidtkduiuscy ti lmednas orih tma
hestar slma`uca, kdvadtiry okca, ed` itmar tredseltkids.
Aercy HVZ kdsteccetkids wara cernacy io tma ranadaretkva typa, fut tmad es dat lmedna
systahs faleha paroalta`, hira okrhs faned kdstecckdn tmah. Miwavar, fakdn –eltkvkty
`rkvad,‘ dat lmedna systahs era sihatkhas –darvius‘ ed` tad` ti ivarraelt ti
lmednas. Pma hegir `kse`vedtena io ranadaretkva systahs ks tma tkha cen tmet axksts
udtkc up`eta` kdoirhetkid ks kdlirpireta` kdti tma systah.
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\ystah eppckletkid7 Ectmiunm HVZ systahs era wk`acy usa`, tmay era hist
fadaoklkec kd heduoelturkdn advkridhadts wmara pri`ults era heduoeltura` ti ir`ar,
ir essahfca` ti ir`ar ir ti stilb. HVZ `ias dit privk`a es hulm e`vedtena kd ciw-
vicuha, mknmcy lihpcax eppckletkids ir kd lidtkduius ociw prilassas, sulm es
raokdarkas. Kt `ias, miwavar, adgiy wk`a eppckletkid kd hatecs, pepar, oii`, lmahklec,
ed` itmar prilasskdn eppckletkids.
KCCQ\PVEPKID 17 Lcahsid Kd`ustrkas pri`ulas pri`ults ] ed` [, wmklm meva
`ahed`, seoaty stilb, ed` pri`ult strultura cavacs es smiwd kd Okn. ?.0. Pma id med`
kdvadtirkas era es oicciws7 ] 8 5::, [ 8 <:, E 8 >:, F 8 :, L 8 6::, ed` @ 8 =::.
Pma cit skza oir E ks 61:, ed` tma cit skza oir @ ks 5,::: (ir huctkpcas io tmasa
ehiudts)2 ecc tma itmar ktahs era spalkoka` id e cit-oir-cit (COC) fesks (tmet ks, tma
quedtktkas era tma seha es tma dat raqukrahadts). Pma idcy slma`uca` ralakpts era 61:
udkts io ] `ua kd parki` 6. @atarhkda tma ir`ar quedtktkas ed` ir`ar racaesa `etas oir
ecc raqukrahadts uskdn ed HVZ oirhet. (Dita7 Essuha seoaty stilb ehiudts era ti fa
kdlcu`a` kd tma id med`/Evekcefca).
Okn. ?.0 Zri`ult strultura wktm FIH
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\ICQPKID7
Okrst, astefcksm tma li`as (ciwast cavac) eppcklefca ti aelm pri`ult es smiwd kd Pefca
?.>. Ktahs L ed` @ eppaer fitm et cavac 5 kd pri`ult [ ed` et cavac 6 kd pri`ult ], si
tmay era essknda` ti cavac 6. Pmus tmakr raqukrahadts era dit datta` iut udtkc ecc cavac :
ed` 5 raqukrahadts meva faad datta` iut.
Pefca ?.>
Daxt, sat up ed HVZ oirhet oir ecc ktahs (saa Pefca ;.=), ed` adtar tma ad`-ktah nriss
raqukrahadts oir ] ed` [. Pmay fitm meva ciw-cavac li`as io : ed` si led fa datta`
iut uskdn ir`ar quedtktkas tmet hetlm tmakr raqukrahadts (prasarvkdn seoaty stilbs, io
liursa). Pmks rasucts kd pcedda` ir`ar racaesas io 6:: ed` 61: udkts oir ] (parki`s 0
ed` ?) ed` 0:: udkts io [ (parki` 0).
Daxt, axpci`a tma pcedda`-ir`ar racaesas oir ] ed` [ (tmet ks, huctkpcy tmah fy tma
quedtktkas raqukra` io tma cavac c ktahs, E ed` F). (Dita tmet L ed` @ era dit cavac c
ktahs.) Zrigalta` raqukrahadts oir E (6:: ed` 61: udkts) era `kralt rasucts io tma
pcedda`-ir`ar racaesas oir ]. Pwi udkts io F era raqukra` oir aelm ], si ktah F‛s
prigalta` raqukrahadts kd parki`s 0 ed` ? era 0:: ed` 1::, raspaltkvacy. Ktahs E ed`
F era tmad datta`, ed` tma ir`ar racaesa `etas ed` ehiudts era sat.
Daxt, axpci`a tma cavac 6, pcedda`-ir`ar racaesas ti tma cavac < ktahs. Pma erriws kd
Pefca ?.= smiw tmet raqukrahadts oir L ed` @ liha orih pcedda`-ir`ar racaesas oir
fitm F ed` [. Ad` ktah [ raqukras
0 udkts io @, si tma prigalta` raqukrahadts kd parki` 0 era 6,5:: udkts, wktm 5,?:: orih
[ (tmet ks, 0 Þ 0::) ed` 1:: orih F. Pinatmar, tmay nadareta e pcedda`-ir`ar racaesa
oir 6,::: udkts io @ kd parki` 6
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Pefca ?.=
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?.? ALIDIHKL IV@AV UQEDPKP[ (AIU) HAPMI@
Cerna fetlm skzas rasuct kd mknm kdvadtiry cavacs wmklm era, io liursa, axpadskva kd
tarhs io tma list io lepktec tka` up kd kdvadtiry. \hecc fetlmas khpcy e pripirtkidetacy
ciwar kdvadtiry list. Miwavar, tmara ks e sat-up list kdlurra` wktm tma pcelkdn io ed
ir`ar ir tma stert-up io e fetlm id e helmkda. Pmks sat-up list (oir heduoeltura`
ktahs) ir ir`arkdn list (oir purlmesa` ktahs) hust fa `kstrkfuta` ivar tma fetlm ir
ir`ar skza. Ko sat-up ir ir`arkdn lists era mknm tmad wa hey daa` ti rasirt ti cernar
fetlmas ti ra`ula tma "par udkt list" io sat-up ed` tmarafy kdlur cernar kdvadtiry lists.
Kt ks lcaer, tmaraoira, tmet tmara ks e tre`aioo fatwaad ir`ar ir sat-up lists ed`
kdvadtiry lists. Pma Alidihkl Ir`ar Uuedtkty (AIU) hatmi` ks skhpcy e
hetmahetklec axprasskid io tmks tre`aioo ed` raocalts tma hkdkhuh titec list io
mic`kdn stilb ed` sat-up. Pma AIU led fa lecluceta` uskdn tma oicciwkdn oirhuce7
AIU 8)(
))((6
Ll
@Li ......................................... ?.<
^mara
AIU 8 tma alidihkl fetlm ir ir`ar skza
L i 8 sat-up list par fetlm ir ir`arkdn list par ir`ar
@ 8 tma edduec `ahed` oir tma ktah
L l 8 kdvadtiry mic`kdn (lerrykdn) list, id edduec fesks par udkt
KCCQ\PVEPKID ?7 E heduoelturar usas 61::: naer essahfckas aelm yaer ed`
purlmesas tmah et $<.0: aelm. Kt lists $1: ti prilass ed` ralakva ed ir`ar, ed`
kdvadtiry led fa lerrka` et e list io $:.>= par udkt-yaer. ^met wkcc fa tma Alidihkl
Ir`ar Uuedtkty (AIU)9
\ICQPKID
Nkvad `ete era7
@ 8 61::: naer essahfckas par yaer
L i 8 $ 1: par ir`ar
L l 8 $ :.>= par udkt-yaer
AIU 8)>=.:(
)61:::)(1:(68 5>;: naer essahfckas
7/23/2019 Material and Capacity Requirements Planning (MRP and CRP) Part -2
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?6:5-16:5 @r. Hemhiu` Effes Hemhiu`Zri`ultkid Zceddkdn ed` Lidtric
5:
AIU kd HVZ systahs7 Edduec `ahed` ks dit nkvad kd HVZ prifcahs. Edduec
`ahed` ks astkheta` orih tma bdiwd `ahed` id pceddkdn mirkzid (sulm es5: waabs)
kd sulm lesa tma evarena `ahed` par waab huctkpcka` fy 16 ti iftekd tma edduec
`ahed` ( @). Pmad AIU ehiudt led fa lecluceta` fy haeds io (Aq. ?.<). Pmaraoira,
wmadavar kt wkcc fa dalassery ti pcela ed ir`ar, tma ir`ar skza wkcc fa tma AIU
ehiudt.
KCCQ\PVEPKID >7 Lidsk`ar tma oicciwkdn HVZ cit skzkdn prifcah, tma dat
raqukrahadts era smiwd kd tefca (?.;) oir aknmt slma`uckdn waabs wmara tma list par
ktah ks $5:, ir`ar ir satup list ks $0>, ed` kdvadtiry lerrykdn list/waab ks :.1%. ^met
wkcc fa tma Alidihkl Ir`ar Uuedtkty (AIU)9
Pefca (?.;)
^aab 5 6 < 0 1 ? > =
Dat raqukrahadts 1: ?: >: ?: ;1 >1 ?: 11
\ICQPKID
Pma alidihkl ir`ar quedtkty AIU ks lecluceta` es oicciws7
Edduec `ahed` fesa` id tma = waabs 8 @ 8 (161/=)(16) 8 <056.1 udkts
Edduec mic`kdn list 8 L l 8 (:.1%)(5:)(16) 8 $6.? par udkt\atup list 8 L i 8 $0> (nkvad)
AIU 8)?.6(
)1.<056)(0>(68 <15 udkts
^aab Dat
raqukrahadts
Zri`ultkid
quedtkty
Ad`kdn
kdvadtiry
Mic`kdn
list $
\atup list
$
Pitec list
$5 1: <15 <:5 51.:1 0>.:: ?6.:1
6 ?: : 605 56.:1 ::.:: >0.5:
< >: : 5>5 =.11 ::.:: =6.?1
0 ?: : 555 1.11 ::.:: ==.6:
1 ;1 : 5? :.=: ::.:: =;.::
? >1 <15 6;6 50.?: 0>.:: 51:.?:
> ?: : 6<6 55.?: ::.:: 5?6.6:
= 11 : 5>> =.=1 ::.:: 5>5.:1
7/23/2019 Material and Capacity Requirements Planning (MRP and CRP) Part -2
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?6:5-16:5 @r. Hemhiu` Effes Hemhiu`Zri`ultkid Zceddkdn ed` Lidtric
55
?.> LEZELKP[ VAUQKVAHADP\ ZCEDDKDN (LVZ)
Lepelkty ks e haesura io tma pri`ultkva lepefkckty io e oelkckty par udkt io tkha. Kd
tarhs io tma racavedt tkha mirkzid, lepelkty hedenahadt `alkskids era lidlarda` wktm
tma oicciwkdn7
c. Cidn redna-rasiurla pceddkdn io lepktec oelkcktkas, aqukphadt, ed` muhed rasiurlas.
6. Ha`kuh redna-raqukrahadts pceddkdn io cefir ed` aqukphadt ti haat HZ\ daa`s.
<. \mirt redna-lidtric io tma ociw (kdput-iutput) ed` saquadlkdn io iparetkids.
Lepelkty raqukrahadts pceddkdn (LVZ) eppckas prkherkcy ti ha`kuh-redna eltkvktkas.
Pma LVZ systah ralakvas pcedda` ed` racaesa` ir`ars orih tma hetarkec raqukrahadts
pceddkdn systah ed` ettahpts ti `avacip cie`s oir tma okrh‛s wirb ladtars tmet era kd
nii` fecedla wktm tma wirb-ladtar lepelktkas. Ckba HVZ, LVZ ks ed ktaretkva prilass
tmet kdvicvas pceddkdn, ravkskid io lepelkty (ir ravkskid io tma hestar slma`uca), ed`
rapceddkdn udtkc e raesidefcy nii` cie` priokca ks ̀ avacipa` (saa oknura ?.5).
Zcedda`-ir`ar racaesas (kd tma HVZ systah) era lidvarta` ti sted`er` miurs io cie` id
bay wirb ladtars kd tma LVZ systah.
Oicciwkdn era tma assadtkec kdputs ed` iutputs kd e LVZ systah7
?.= LVZ ELPK_KPKA\7 KDOKDKPA ED@ OKDKPA CIE@KDN
Zcedda` ir`ar racaesas (kd HVZ systah) era lidvarta` ti sted`er` miurs io cie` id
bay wirb ladtars kd LVZ systah. Oknura ?.1 kccustreta tmks tredsktkid oir e pcedda`
ir`ar racaesa io <:: med`cafers kd parki` ? (kd tefca ?.?) ti ?.6 sted`er` miurs io wirb
kd wirb ladtar (^L) 0. Pmasa miurs ed` tma miurs oir itmar gifs pcedda` oir ^L 0
`urkdn parki` ?, pcus tma miurs oir ir`ars ecrae`y racaesa`, heba up tma titec axpalta`
cie` io 5=1 sted`er` miurs. Dita tmet 6: miurs meva faad ecciwa` oir udpcedda`
aharnadly gifs.
Kdokdkta cie`kdn 2 ks tma preltkla io cie`kdn wirb ladtars wktm ecc cie`s wmad tmay era
raqukra`, wktmiut raner` ti tma eltuec lepelkty io tma wirb ladtars. LVZ iotad usas
kdokdkta cie`kdn id ed kdktkec cie` priokca ti avecueta, ir "skza up", tma pripisa` cie`
orih HZ\, ed` macp pceddars heba `alkskids raner`kdn tma usa io ivartkha, ectardeta
riutkdn, atl.
7/23/2019 Material and Capacity Requirements Planning (MRP and CRP) Part -2
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?6:5-16:5 @r. Hemhiu` Effes Hemhiu`Zri`ultkid Zceddkdn ed` Lidtric
56
Oknura ?.1 Predsktkid oir e pcedda` ir`ar racaesa orih HVZ ti cie` kd LVZ systah
Okdkta cie`kdn2 ckhkts tma cie` essknda` ti e wirb ladtar ti tma hexkhuh lepelkty io
tma wirb ladtar. Okdkta cie`kdn ks tma hist usaouc wmad hebkdn tma okdec esskndhadt io
wirb ti wirb ladtars, iotad tma hegir e`gusthadts meva faad he`a fy uskdn kdokdkta
cie`kdn prila`uras. Oknura ?.? kccustreta tma `kooaradla fatwaad kdokdkta ed` okdkta
cie`kdn.
Oknura ?.? Kdokdkta ed` okdkta cie`kdn priokcas
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?6:5-16:5 @r. Hemhiu` Effes Hemhiu`Zri`ultkid Zceddkdn ed` Lidtric
5<
?.; QPKCKWEPKID ED@ AOOKLKADL[
Qtkckzetkid raoars ti tma parladtena io evekcefca wirbkdn tkha tmet e wirbar eltueccy
wirbs ir e helmkda eltueccy ruds. \lma`uca` hekdtadedla, cudlm fraebs, ed` satup
tkha era axehpcas io eltkvktkas tmet ra`ula eltuec wirbkdn tkha.
Aooklkadly raoars ti miw wacc e helmkda ir wirbar paroirhs lihpera` ti e sted`er`
iutput cavac.
?.5: VEPA@ LEZELKP[
Veta` lepelkty io wirb ladtar led fa lecluceta` fy uskdn tma oicciwkdn aquetkid
Veta` lepelkty 8 (duhfar io helmkdas)(helmkda miurs)(parladtena io
utkckzetkid)(systah aooklkadly) ……………. ?.0
KCCQ\PVEPKID =7 E wirb ladtar iparetas skx `eys par waab id e twi-smeots-par
`ey fesks (= miurs par smkot) ed` mes oiur helmkdas wktm tma seha lepefkckty. Ko tma
helmkdas era utkckza` >1% io tma tkha et systah aooklkadly io ;:%, wmet ks tma reta`
iutput kd sted`er` miurs par waab9
\ICQPKID
Veta` lepelkty 8 (duhfar io helmkdas)(helmkda miurs)(parladtena io
utkckzetkid)(systah aooklkadly)
8 (0)(=x?x6)(:.>1)(:.;:) 8 61; sted`er` mr/waab
?.56 CIE@ ZAVLADP
Cie` ks tma sted`er` miurs io wirb (ir aqukvecadt udkts io pri`ultkid) essknda` ti e
pri`ultkid oelkckty. Eotar cie` ed` lepelkty meva faad `atarhkda`, e cie` parladt led
fa lecluceta` es7
Cie` parladt 8
Þ 5::% ……….. ?.1