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Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES
LeanEA Production and Profitability improvement in Serbia Enterprises by adoptingLean Thinking Philosophy and strengthening Enterprise Academia connections
Tempus Pro ject LeanEA, Un ivers i ty o f Novi Sad , T rg Dosi te ja Obradovica 5 , 21000 Novi SadWeb s i te : www.LeanEA.uns.ac . rs ; E-mai l : [email protected] . rs ; Te l : +381 21 485 2020; Fax: +381 21 450 418
Trening
Leanfilozofija
Istorija Tojote5S - Red i istoa
Gemba kaizenVizuelno upravljanje
SMEDPoke Yoka
Standardizovane radne procedure
Takt proizvodnje
Novi Sad, 2012-01-28
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1
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Istorija Lean-a1 / 21
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Istorija Lean-a2 / 21
Pojam "lean" se u tehnikoj i strunoj literaturi na Zapadu prvi put pojavljuje
poetkom devedesetih godina dvadesetog veka i vezan je za rezultate obimnogpetogodinjeg istraivanja koje se odnosilo na budunost automobilskeindustrije na globalnom nivou.
Istraivanje je sproveo Massachusetts Instituteof Technology - MIT, SAD.
Knjiga koja je proistekla kao rezultat ovog projekta predstavljala je praviindustrijski best-selleri donela je znaajne promene u nainu na koji seproizvodnja posmatra i organizuje na Zapadu.
James P. Womack
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Sprovedeno istraivanje i objavljena knjiga su ukazali na bitne prednosti kojeima japanski nain za organizaciju proizvodnje, posebno u tako sloenim izahtevnim sektorima kakav je automobilska industrija.
Na primerima razvojnog puta, proizvodne filozofije i perspektiva dva najveasvetska proizvoaa automobila General Motors, SAD i Toyota, Japan,pokazana je superiornost japanskog pristupa koji je nazvan Lean Production ilisamo Lean.
Sam termin Leanse, u principu ne prevodi i opte je prihvaeno da se svuda usvetu koristi u izvornom obliku. U sutini on oznaava neto racionalno,tedljivo pa ak i krto.
Osnovni koncept Lean-a potie iz Toyota Production System TPS,pri emu neki autori stavljaju znak jednakosti izmeu Lean- i TPS-, dok drugiidentifikuju i odreene razlike koje su, u sutini, nebitne.
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TOYOTA history PART Ihttp://www.youtube.com/watch?v=c6KVeDbgRgU
TOYOTA history PART IIhttp://www.youtube.com/watch?v=6vmdVR9dzPM
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Fascinating 1936 Footage of Car Assembly Linehttp://www.youtube.com/watch?v=HPpTK2ezxL0
Henry Ford je uneo revoluciju u proizvodnjuautomobila i industriju uopte
Prvi je pokrenuo proizvodnju baziranu na principukontinuirane pokretne trake.
Njegov koncept masovne proizvodnje je bioosnovni industrijski koncept gotovo
itav vek.
Pokretanje proizvodnje automobila Ford model Tozna ilo je po etak industrijske revolucije u SAD azatim i u itavom svetu
Automobile Manufacturing, Henry Fordhttp://www.youtube.com/watch?v=skKMqK19azI
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Definicija: Proizvodni sistem razvijen od strane ToyotaMotor Corporation da bi se obezbedio najbolji kvalitet,najnie cene i kraim pripremnim vremenima krozeliminaciju nepotrebnih trokova.
Toyota je definisala 3 negativne pojave koje trebaeliminisati:
MUDA (waste) gubitak, nepotrebni troakMURA (
ili
) (unevenness, irregularity,
inconsistency) neuravnoteenost, neujednaenostMURI ( ) (overburden, unreasonableness)
preoptereenje, bezrazlonost
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MUDA (waste) gubitak, nepotrebni troak
1. 1. Overproduction Prekomerna proizvodnja2. 2. Waiting - ekanje3. 3. Transporting - Transport
4. 4. Inappropriate Processing Neodgovarajua obrada5. 5. Unnecessary Inventory Prevelik nivo zaliha6. 6. Unnecessary / Excess Motion Nepotrebne kretnje7. 7. Defects - kart8. 8. Untapped human potential Neiskorien ljudski
potencijal
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Principi Tojotinog sistema proizvodnje
Izazov
Dugorona vizija,odbanost i kreativnost!
Kaizen Inovacija i evolucija!
Genchi Genbutsu Idi namesto dogaanja i pronaiuzrok!
Potovanje Potovanje,preuzimanje odgovornosti i
meusobno poverenje!
Timski rad Uslov za razvoj iunapreenje!
Kontinualnounapreenje
Potovanjezaposlenih
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55SS,, Vizuleno upravljanjeVizuleno upravljanje
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Mislite Lean 5S vizuelno upravljanje prvi alat lean transformacije!
Ako ne znate gde da zapo nete lean, gde bi to trebaloda bude? Zapo nite sa 5S!
To je na in da promoviete timski rad i da brzo ostvarite
napredak (rezultat je vidljiv golim okom).
5S mo e biti vie od po etne ta ke, to je zapravo kriti nideo celokupnog procesa transformacije.
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Neposredno radno okruenje je znaaj-ano kao kljuni pokreta postizanjavisokog kvaliteta, niske cene i brzeisporuke.
Mogu li poboljanja proizvoda doi doizraaja u neurednom i prljavompogonu, odnosno radnoj sredini?
Moemo li oekivati da ljudi usumornom okruenju maksimalnoiskau svoje potencijale?
Moe li slobodan um, pun sveih ideja,da funkcionie u pretrpanom radnomprostoru?
Osnova za poboljOsnova za poboljanjeanje
Rukovodioci zahtevaju najbolje od ljudi koji rade sa njima. Ali, dabi od njih dobili najbolje, moraju im omoguiti najbolje radnookruenje.
Mo zapaanjau haotinimuslovima rada!
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Obezbediti
isto, uredno, bezbedno i produktivnoradno mesto.
5S5S je osnova za poboljje osnova za poboljanjeanje
5SSustain
Sortirati
Organizovati Oistiti
Standardizovati
Odravati
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ta jeta je 5S?5S?
5S je sistemati an pristup za poboljanjeefikasnosti radnog mesta kroz organizaciju. Cilj je smanjiti gu
vu, otkriti i otkloniti gubitke, ispre iti njihovo ponovno pojavljivanje ubudu nosti.
Poboljati urednost radnog mesta nalaze
iposebno mesto za sve i ostavljaju
i sve na svommestu.
5S se odnosi na organizaciju radnog mesta ipredstavlja osnovu Lean proizvodnje.
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5S5S ElementiElementi
Sort Sortirati (Osloboditi se svega to nijepotrebno) Set Organizovati, urediti (Pravilno razmestiti
potrebne stvari, ograni
iti zalihe) Shine O istiti (O istiti sve spolja i iznutra) Standardize Standardizovati (Definisati
pravila za odr avanje prva 3S) Sustain Odr avati (Obezbediti potovanje
pravila)
5S u US: Sort, Straighten, Sweep, Standardize, Self DiscipleSortirati, Ispraviti, Oistiti, Standardizovati, Samodisciplinovati
5S + 1S (Safety, Sigurnost) = 6S5S + 2S (Safety and Security, Sigurnost i Bezbednost) = 7 S (AgilentTechnologykoja je deo Hewlett Packard-a)
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Da bi se eliminisaligubici koji sunastali kaoposledicanekontrolisanihprocesa.
Da se uspostavikontrolaprostornograsporeivanjaopreme, materijalai zaliha.
ZaZatoto 5S5S??
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5S5S u vizuelnom upravljanjuu vizuelnom upravljanju Vizuelno upravljanje ostvaruje se putemjednostavnih signala koji omoguavaju trenutnorazumevanje situacije ili prilika.
Oni su efikasni, samoreguliui i upravljivi odstrane radnika.
Primeri: slike, dijagrami; bojom kodirani alati, palete; linije na podu kojima se razgraniavaju
povrine (oblasti) za smetanje materijala,radne povrine, peake putanje, itd.;
poboljano osvetljavanje.
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Bojom kodirane oblasti isti prolazi Poveana uoljivost neusaglaenosti
DobroDobro NakonNakon 5S5S
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Vizuelno upravljanjeVizuelno upravljanje
Radna uputstva su objanjena jasno na tabliputem jednostavnih instrukcija ilustrovanihslikama.
Vizelno upravljanje
Crveno zaustavljanje linije
uto poziv za pomo
Zeleno normalan rad
Video vizuelnoupravljanje
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Pogled na pogonPogled na pogon
Veliki zid Standard - 1.5 m
Vidokrug je ogranien!
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Pre 5S
Posle 5S oieno,organizovano, obeleeno(manje vremena ifrustracije u traenju)
5S5S PrimerPrimer
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Uoavate li razliku?
Sortirati Svi nepotrebni alati, delovi i zalihe uklonjeni su
Organizovati Nai mesto za sve i sve postaviti na svoje mesto
5S5S Sortirati, organizovati: primerSortirati, organizovati: primer
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OOistiti (istiti (ShineShine,, SeisouSeisou))
Eliminisati sve vrste zagaenja: neistoa,praina, tenost i dr.
ienje je proveravanje! Proveriti nepravilnosti i pronai uzroke Fiziki oistiti i vizuelno proeljti (traei
sve to se ne nalazi na svom mestu) Da se poboljaju: bezbednost, kvalitetproizvoda i radno okruenje
Shine
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Prostor je oien tokom redovnog rada (najbolje) i/ili postojerutinkse procedure kojima se obezbeuje da radni prostorbude ist.
5S5S OOistiti: primeristiti: primer
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StandardizovatiStandardizovati((StandardizeStandardize,, SeiketsuSeiketsu))
Definisati standard za prva 3 S-a. Proslediti informacije lanovima tima, tako da ne doe
do konfuzije ili greaka koje se ti u: Lokacija (alata, prolaza),
Isporuka, Destinacija, Koli ina, Rasporeda ( i enja), Zastoja (odr
avanje), Procedura i standarda.
U initi da svi budu upoznati sa standardima (vizelno).
Standardize
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OdrOdravatiavati ((SustainSustain,, ShitsukeShitsuke))
Odravati rutinu! Dnevno pet minuta za 5Saktivnosti
Svako dugorono uestvuje u 5S (obuka) Podsticati i prepoznavati dostignua Redovno sprovoditi nadgledanje i reviziju
Sustain
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Sa organizovanimSa organizovanim rradnim mestomadnim mestom
Defekti su smanjeni Vreme ienja je minimizovano
Zalihe su smanjene
Odravanje je poboljano
Bezbednost je poveana
Radnici su efikasniji
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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Toyota 5SToyota 5S
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1. Ve1. Vebaba
Ormani Ormani su deo poslovnog okru
enja u radionici, pogonu ilikancelariji. Ovi delovi nametaja su deo 5S re ima i ne treba dabudu posmatrani kao mesta za sakrivanje ostataka i otpadaka!
Sa stanovita vizuelnog upravljanja i 5S-a ormani imaju jednu louosobinu: vrata nisu providna. Takva vrata sakrivaju sadr aj ormana,
njegovo stanje ureenosti i ograni
avaju brzinu pristupadokumentima, alatima i drugim stvarima koje su u njima smetene.Zatvorena vrata ne omogu avaju da se iz blizine ili sa udaljenogmesta vide tra ene stvari, alati ili dokumenti. Potrebno je do i doormana, otvoriti vrata, ... ustanoviti da li je neto tu ili ne.
Kako ete ovo reiti?
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ReferenceReference
Knjige
Lean Manufacturing Advisor (2006) VisualTools: collected practices and cases,Productivity Press, New York
Hiroyuki Hirano (1995) 5 Pillars of the
Visual Workplace, Productivity Press, NewYork
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Zato se truditi oko standardizovanja aktivnosti,kada radnici to savreno rade i bez naeg uplitanja ?
Koristi od standardizovanja:
1. Stabilni poslovni / proizvodni procesi2. Oigledan je poetak i zavretak svake aktivnosti3. Stvara osnove za uenje i napredovanje4. Lako preispitivanje procesa i reavanje problema5. Motivie zaposlene na ukljuivanje6. Olakano spreavanje nastanka greaka (kvalitet)7. Obuka je olakana i pojednostavljena
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VREME
Mere
njekljunihparametara
K
K K
K
K
K
K
K
K
S
S
S
S
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ta ustvari predstavlja standardizovanje radnih
procedura ?
Sinhronizovanje aktivnosti zaposlenih i maina uproizvodnom procesu zasnovano na:
taktu,redosledu radnih aktivnosti izalihama koje su potrebne za odravanje procesa
Notna sveska proizvodne elije ili linije.Prvo se koriste tamo gde su proizvodni ciklusioigledni (npr. na liniji) a onda se primenjuju uoblastima gde se tee razlikuju
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6 Kljunih dokumenata
Tabela optereenja radnikaTabela kapaciteta procesa (mogunosti procesa)
Standardizovani redosled radnih aktivnostiStandardna radna tabelaTabela za praenje vremenaOdreivanje takta
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Tabela optereenja radnika
Prikazuje potreban broj radnika u proizvodnojeliji
Takoe prikazuje potrebnovreme za svakog radnikau proizvodnoj eliji
Postavlja se na poetkuproizvodne elije
Operator Loading Chart
0
0.2
0.4
0.6
0.8
1
1.2
1.4
Time(seconds)
Manual Loading per Unit
Operator Takt Time
Manual Loading per Unit 1.026 1.045 1.237 1.045 1.147
Operator Takt Time 1.327 1.327 1.327 1.327 1.327
M il li ng S e tt in g V B H F ro n t V B H B a ck E lp hi ac
Cell/Line: WMCBy: CLDDate: 1-19-03
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Odreivanje takta
tamoemouraditi
tamoemouraditi
ta trebada
uradimo
ta trebada
uradimo
Ciklusnovreme
Vreme takta
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Odreivanje takta
Ukupnoraspoloivovreme posmeni:
Smena: 480 Minuta
Pauze: 2 na 10 minuta
5S: 1 na 4 minuta
480
-20
-4
456Ukupno raspolo
ivo vremeu minutima
Zahtevikupaca Mese
ni zahteviBroj radnih dana mese
no9,600
20
480
1
2
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Odreivanje taktaUkupno
raspoloivo
vreme
pretvoreno u
sekunde
456 x 60 = 27,360
raspoloive sekunde
27,360Ukupno raspoloivovreme u sekundama
Dnevni zahtevi 480
Vreme Takta za jednu smenuiznosi 57 sekundi
3
4
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Odreivanje taktaCell/Line By: AT Date: 1/24/04
Operator(s)
Products
Current Daily Demand = 50,00050,00050,00050,000 feetCurrent number of shifts = 2Required Units per Shift = 25,000 feet
10.510.510.510.5 Hours per Shi ft = 630 Minutes (Based on paid working hours)
- 30 Minutes (break time)- 10 Minutes (wash time)- 5 Minutes (Startup)- 18 Minutes (TPM)- 10 Minutes (5S)- 4 Minutes (Weekly Team Meeting)
Total = 553 Available Minutes per shift
553 Minutes Available x 60 = 33,180 Seconds per shift33,180 Seconds divided by 25,000 feet i per shift = 1.327 Seconds
Takt Time = 1.3271.3271.3271.327 Seconds per unit
Setting, Elphiac
WMC
ALL WMC
Takt Time Calculation Form
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Primer: Postojea vremena ciklusa
A
B
C D
E
45
30 30
35
70
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A
B
C DE
70
45
30 30
35
Osoblje =
UVP = Ukupno vreme procesa
= Zbirno vreme zadataka
= 210
TT=
57= 3.68
210= 4 Operatera
UVP
TT = Vreme Takta
= 57
Utvrivanje broja radnika
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A B C
TT = 57
D
Primena novog sistema
Korak 1: Smanjiti broj operatera Korak 2: Koristiti Tabelu za praenje vremena za realokaciju
zadataka tako da je rad na svakom radnom mestu krai odtakta
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Gemba Kaizen
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Agenda
ta je to Gemba? ta je to Kaizen? Kaizen napad/proboj/dogaaj/KAIKAKU
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ta je to Gemba?
(Zanimljivost: Guru iz oblasti Menadmenta znanjem Ikujiro Nonaka govori oBa kao o prostoru ili zajednikom uslovima za uspostavljanje znanja)
trenutno mesto
stvarno mesto
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ta je to Gemba?
Japanska rekojaoznaava stvarnomesto ili mesto nakojem se odvijajuprave akcije
U poslovanju,GEMBA,podrazumeva prostorna kojem se izvrujuaktivnosti koje stvarajudodatu vrednost
U proizvodnji,GEMBA,podrazumeva prostorgde se vriproizvodnja
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ta je to Gemba?
Gemba etnja podrazumeva odlazak menadera i lideraiz kancelarija do pogona i radnih mesta
GEMBA KAIZEN naglaava da se pravi napredak moepostii jedino u proizvodnom pogonu gde se obavljajuposlovi, a NE samo u inenjerskim kancelarijama
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Pet zlatnih pravila Gembe Masaaki Imai je unapredio Kaizen preko svoje dve vrlo prodavane
knjige:
Kaizen: The Key To Japan's Competitive Success Gemba Kaizen: A Commonsense, Low-Cost Approach to
Management
U njima on propoveda pet zlatnih pravila Gemba unapreenja,1. Ukoliko se neki problem uveava, odmah treba analizirati Gembu.
Dakle, ta je Gemba? To je proizvodni pogon, odnosno mesto nakojem se vri proizvodnja. U proizvodnji treba:
2. Proveriti gembutsu (relevantne injenice).
3. Izvriti privremena merenja/posmatranja injenica.4. Pronai izvor problema.5. Standardizovati parametre, kako se problem ne bi ponavljao.
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Gemba Kaizen - 10 Zapovesti
1. Zanemariti tradicionalne koncepte proizvodnje.
2. Biti otvoren za promene. - Kako moemo to primeniti?
3. Odbijati status quo.- Ne prihvatati opravdanja.
4. Ne dozvoliti da neto to je dobro, postane loe. - I 50%implementacije je bolje nego 100% niega.
5. Ispravljati greke im se identifikuju.
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Gemba Kaizen 10 Zapovesti
6. Razmisliti dobro pre investicija. - Ukoliko je potrebnopotroiti novac, najbolje je prvo izvriti simulaciju.
7. Problemi nas teraju na razmiljanje.
8. Postaviti pet K pitanja (ko? ta? kada? kako? koliko?)
Ne postoje glupa pitanja.9. Biti otvoren za sve predloge, nezavisno od linosti,
ugleda ili pozicije onoga ko predlae.
10. Inovacije ne poznaju granice.
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Agenda
ta je Gemba? ta je Kaizen? Kaizen napad/proboj/dogaaj/KAIKAKU
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ta je Kaizen?
promena dobro
Vriti promene zarad boljitka.
("Kai. ") zna i "promena" ili "akcija da ispravi".
("Zen") zna i "dobro".
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ta je Kaizen? Kontinuirano, postepeno i uredno unapreenje celokupnih procesa ili
njihovih delova, kako bi se stvorila nova vrednost sa minimumomgubitaka.
Sve to radimo moe se poboljati. - Kaizen nema kraja. Kaizen okuplja dobre ideje i koncepte, isprobavajui ih, a ukoliko se
pokau neuspenim pokuava se sa neim drugim!
Postoje dva nivoa Kaizena Sistemski Kaizen - fokus je na celokupnom sistemu (Kaizen za
menadment).
Procesni Kaizen - fokus je na pojedinanim procesima (Kaizen za voe ilanove timova).
Kaizen dogaaj: Kaizen aktivnost obino traje pet dana, u okvirukojih tim identifikuje i ostvari znaajan napredak u procesu, na pr.razvoj Radnih jedinica.
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1
2
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ta je KAIZEN ?
Stalno unapreenje proizvodne linije ikorporativne aktivnosti
Izazov za produktivnost i kvalitet Dobrovoljna aktivnost kompanije Deljenje ideja sa zajednicom Beskrajno, neprekidno postavljanje izazova Kultura i filozofija organizacije za
menadment i svakog zaposlenog
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KAIZEN system
16
Svi zaposleni
5S5S
Vizuelni menadment
GEMBAVizuelni menadment
GEMBA
Svakodnevni rad uz KAIZENSvakodnevni rad uz KAIZEN
ProfitPovratPovrat
Deljenjeprofita sa svimzaposlenima
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17
GALERIJA KAIZEN-a
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KAIZEN is for a whole company
TopManagement
Srednji menad menti zaposleni u upravi
GEMBA
Operativa
KAIZENStalno unapreivanje
(filozofija i kultura)
Definitivno, DADefinitivno, DA
DADA
DADA
Potrebno je da svi upreduze u deleKAIZEN koncept
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Top menadment demonstrira KAIZENnain razmiljanja kroz strategije
delovanja, a srednji menadment ioperativno osoblje kroz operativnu
primenu, prihvatanje KAIZEN prilaza iostvarenje rezultata KAIZEN-a.
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3. Kritini faktor uspeha: Menaderskoliderstvo za izvravanje KAIZEN-a u
preduzeu
TopManagement
MiddleManagement
AndHQ staff
GEMBAField operation
KAIZENStalno unapreivanje
(filozofija i kultura)
LiderstvoPOSVEPOSVE
ENOSTENOST,,
popotovanjetovanje,,motivacija imotivacija iohrabrivanjeohrabrivanje
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Klju do Kaizen uspeha:Odriva unapreenja
VREME
Merenjekljunihparametara
K
K
K
K
K
K
K
K
K
S
S
S
S
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Agenda
ta je Gemba? ta je Kaizen? Kaizen napad/proboj/dogaaj/KAIKAKU
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ta je KAIKAKU
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Kaizen vs. Kaikaku
Kaikaku moemo opisati kao radikalno (ne)ponavljajue unapreenje ilipromena.
Ima vie naziva Breakthrough Kaizen, Kaizen Blitz, Flow Kaizen andSystem Kaizen.
Kaikaku Timesto preuzima kontrolu nad operacijama u kriznimsituacijama.
Radikalno unapreenje
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Kaizen vremenski okvir Formalna nedelja (petodnevni dogaaj)
Neformalna druenja (pogoni spajaju ljude) Fast Break Tim (jednodnevni dogaaj) Stalno poboljanje projektnih timova
Kaizen moeiniti grupa ljudi u potraziza kreativnim reenjem odreenog problema ili to
moe biti jednonedeljni dogaaj fokusiran naodreeni OPEX (Operating expense) element.
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Pravila tokom Kaizen dogaaja Ne postoje nikakve razlike izmeu lanova tima, Ne postoji zamena za naporan rad, Biti otvoren za promene, Ne dozvoliti da neto to je dobro, postane loe,
Negovati pozitivne stavove, Posegnuti za razmiljanjem, pre nego za novanikom,
Meusobno potovanje, Pitati Zato? Planovi su dobri samo ako se mogu primeniti, a planovi su
uspeni samo ako su njihovi efekti odrivi, Just do it!
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Dan 1 Dan 2 Dan 3 Dan 4 Dan 5
Danotkria Poludeti Just did it!
Eliminisati
greke
Ustanoviti
odrivost iproslaviti
Tipian Kaizen napad
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Kako izgleda Kaizen napad?
Dan 1 Kickoff sastanak Na ovim sastancima se
predstavljaju lanovitima i ciljevi projekta.
Kaizen osnovni trening. Upoznavanje sa
procesom. Odlazak u pogon i
sakupljanje informacija.
Dani 1-4 Brainstorming ideja kako bise dolo do poboljanja.
Formiranjestandardizovanih procesa
Svakog dana u 16h odravase sastanak voa timovasa menadmentom kako bise predstavili dnevniuspesi.
Pokuavati!!! Primena promena. Ocena.
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38
Kaizen timovi
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Dan 5 Tim spaja sve pojedinane KAIZEN-e
ujutro i priprema se za prezentaciju. Prezentacija je pripremljena. Proslava tima i ansa da se hvale svojim
dostignuima. Popuniti Kaizen obrazac kako bi se ukazalona to ta je postignuta.
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Dokumentovanje Kaizenaktivnosti
Dnevno praenje izvetaja.
Korienje pre i posle skica, slika. Izlaganje informacija saeto, na svima
razumljiv nain.
Presentovanje rezultata manadmentu naKaizen wrap up sastanku.
Obezbeenje kopija svih Kaizen dokumenataVoama timova i Direktoru departmana.
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Insert
Team Photo
KAIZEN DOGAAJ
Fokus (Tie to BD/VSM):
Paint C.O.E. to Boxer
lanovi tima
1. Don Heaton 3. Bill Richard
2. Angel Ortiz 4. Pam Tarr
Kaizen cilj:
#1 - Kreiranje protoka pojedinanih
proizvoda iz lanca (linija za bojenje)direktno do Langen box Maine. Langen
zadovoljava 80% dnevnih potreba.
#2
Lokacija: HolesawPaint C.O.E. to Boxer
Datumi:
03/15/04
03/15/04
Trenutna situacija i problemi:
#1 -
#2
Kaizen dostignua
Redukcija ritma toka: 8.5 hours
$63,000
Smanjenje improvizacija: 5,170 Hole saws
289 sq ft
Insert
Team Photo
KAIZENSPISAK AKTIVNOSTI
Paint C.O.E. to Boxer
1. Don Heaton 3. Bill Richard
2. Angel Ortiz 4. Pam Tarr
#1 -
#2
HolesawPaint C.O.E. to Boxer
03/15/04
03/15/04
#1 -
#2
8.5 hours
DL$ godinja uteda: $63,000
5,170 Hole saws
Utede u prostou: 289 sq ft
Pre Posle
Celokupne zalihe se seku zbog
jednog dela
Proizvodi koji dolaze sa linije za
farbanje su postavljeni na drvene nosae,koji se nalaze na klizaima. Potom se
prenose do meuskladita ili procesa.
Materijal na klizaina eka u
procesu
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KAKO SKRATITI VREMETRAENJA MOBILNOG
TELEFONA DOK SESPREMATE ZA POSAO
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KAKO POSLE NAPORNOGSASTANKA KOD EFA DA
POGODITE KOJIDOKUMENT TREBAZAVRITI
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KAKO SKRATITI VREMEPOSTAVLJANJA ALATA
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KAKO USPOSTAVITIJEDNOSTAVAN SISTEM
REDOVNOG PREGLEDA,IENJA IPODMAZIVANJA MAINA
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KAKO SKRATITI VREMEOBRADE ILI KONTROLEPREDMETA RADA KADA
IMATE VELIKI BROJ
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Greke su neizbene ali se mogu eliminisati!!!
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Primeri KAIZEN-a
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Kaizen primeri u praksi
Sluaj 1: Aktivnosti unapreenja procesaMasterClass
http://www.industryforum.co.uk/services/case_studies/emmett/
Sluaj 2: Teal Patents Ltdhttp://www.industryforum.co.uk/services/case_studies/teal/
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Reference
Imai , M (1997) Gemba kaizen: a commonsense low-cost approachto management, McGraw-Hill
Kaizen for the shopfloor (2002), Productivity Press
Miscellaneous
Nonaka, I., R. Toyama, et al. (2000). "SECI, Ba and Leadership: a
Unified Model of Dynamic Knowledge Creation." Long RangePlanning 33: 5-34.
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SMED i Poka-Yoke
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Svrha predavanja
Ovo predavanje prikazuje dva alata za poboljanjeprocesa rada:
Poboljanje vremena zamene alata kroz SMED Smanjenje karta kroz Poka-Yoke
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Agenda
ta je SMED? etiri faze SMED
SMED igra ta je Poka Yoke? Ljudske greke, greke i defekti Poka-Yoke ureaji
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ta je SMED? SMED Single Minute Exchange of Dies Zamena alata za
minut
Zamena alata se izvrava za jednocifren broj minuta, t.j.Manje od 10 minuta
Razvijena od strane Tojote i proirena od strane ShigeoShingo-a
Zato SMED? Vreme
ekanja (praznog hoda) je proces koji ne dodajevrednost (Muda/Gubitak)
Pove
anje iskori
enja maina Poboljanje trokova i isporuke
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ta je zamena alata? Uklju
uje Uklanjanje starog alata Postavljanje novog alata Vreme podeavanja
Zamena = vreme izmeuposlednjeg dobrog proizvoda iprvog dobrog proizvodaslede eg ciklusa
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Zato brze zamene? Fleksibilnost:
e
e zamene Manje koli
ine proizvedene u jednom navratu zna
e manjaverovatno
a defekata koji zahvataju veliki deo inventara
Manji inventar Smanjena potreba za zalihama dostupnim usvakom trenutku
Bolji kvalitet: Smanjenje defekata i gubitaka nastalih usledprilagoavanja maina
Redukcija vremena inicijalizacije (lead time)
Poboljanje isporuke na vreme Pove
anje kapaciteta maina
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Gde se troi vreme?
10% - Centriranje i dimenzioniranje novog alata
20% - Priprema alata potrebnog za zamenu20% - Uklanjanje alata
50% - Test proizvodnja i podeavanje alata
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Aktivnosti zamene Eksterne aktivnosti
Aktivnosti koje se trenutno odvijaju dok je mainaisklju
ena, ali bi se mogle izvesti i dok radi Prikupljane alata, klju
eva i dr
a
a Pronala
enje podloki itd, Interne aktivnosti
Posao koji se mora obaviti dok je maina ugaena Zamena otrice na tra
noj testeri Zamena glave pitolja za rasprivanje Uklanjanje alata iz prese
SMED princip- pretvoriti interne aktivnosti u eksterneaktivnosti
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Agenda
ta je SMED? etiri faze SMED SMED igra ta je Poka-Yoke? Ljudske greke, greke i defekti
Poka-Yoke ureaji
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Pristup u etiri faze
1. Posmatranje i zapis
2. Razdvajane interne ieksterne pripreme
3. Konverzija interne ueksternu pripremu
4. Optimizacije svihaspekata pripreme
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Faza 1: Posmatranje Posmatrajte: svaku aktivnost zamene
Blok Kamera
toperica Zapiite: Vreme svakog koraka
Identifikujte aktivnosti koje ne dodajuvrednost
The camera never lies
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Faza 2: Razdvajanje Podelite aktivnosti u internu i eksternu
pripremu
Razmislite da li bi neke interne aktivnosti
trebale da budu eksterne
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Faza 3: Konverzija Prou ite interne aktivnosti i potra ite prilike da se :
Operacije pojednostave Koriste unapred pripremljeni dr
a
i Unapred zagreju kalupi Koriste standardizovani navoji, dr a i, nose e plo e
Preispitajte ta treba pripremiti unapred? Koji alati i delovi moraju biti dostupni? Gde alati i delovi treba da budu stavljeni? Da li su alati i delovi u dobrom stanju, seka i otri? Gde treba staviti alate po uklanjanju? Kako e se transportovati alati i delovi?
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Faza 4: Redukcija Redukujte interno i eksterno vreme pripreme Koristite druge ureaje
Ureaje za brzo pri vr ivanje Pneumatske alate
Eliminii-kombinuj-redukuj
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Zlatna pravila SMEDTa ka 1: 5S
Utvrdite definisana mesta za odlaganje alata, delova zapri vr ivanje itd.
Napravite listu za proveru i standardizujte terminologiju
Uredite elemente prema frekvenciji upotrebe ili prema procesu kojise odvija tokom SMED Koristite obele avanje bojama prema potrebi
Ta ka 2: Koristite ruke a ne noge Promenite raspored ili proceduru kako bi se minimizovalo etanje Uklonite gubitak usled etanja do centralne kontrolne table
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Zlatna pravila SMEDTa ka 3: Zavrtnjevi kao neprijatelj
Napravite u vr iva na bazi poluge. Napravite automatizovan (ra unarski podr an) u vr iva . Napravite automatski u vr iva .
Ta
ka 4: Standardizacija kalupa, voica, i u
vr
iva
a Visina kalupa. Veli
ina kalupa. Lokatori i grani nici za postavljanje jednim pokretom. Obele avanje bojom kako bi se osigurala upotreba odgovaraju ih
kalupa, voica, i u vr iva a.
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Zlatna pravila SMEDTa ka 5: Podeavanje je gubitak Postavite voice i grani nike. Eliminiite podeavanja za ureaje koji dostavljaju materijal. Eliminiite podeavanja za pozicioniranje.
Ta ka 6: Da li se SMED mo e eliminisati? Da li se SMED mo e mehanizovati? Integriite presu u proizvodnu liniju. Koristite rotacionu presu. Mehanizujte proces zamene alata (ureaji za auto dostavu i auto
zaustavljanje.)
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Agenda
ta je SMED? etiri faze SMED SMED igra ta je Poka-Yoke? Ljudske greke, greke i defekti Poka-Yoke ureaji
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Zamenite veliki alat malim iZamenite sirov materijal. Mali
diskovi umesto velikih. Najbr
e tomo
ete.
Trenutni posao:Veliki alat na mainiKlin napunjen sa 5 velikih diskova(sirovina)
Sledei posao:Mali alat na mainiKlin napunjen sa 9 malih diskova
(sirovina)
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Pre SMED
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5mm
1mm
Pod pravim uglom uodnosu na 3 strane
1mm
30mm
30mm
35mm
Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES -LeanEA Production and Profitability improvement in SerbiaEnterprises by adopting Lean Thinking Philosophy and strengthening Enterprise Academia connections
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Postavka igre1 Operater
1 QA - Analiza kvaliteta
(alat centriran 1mm, 5mm
izmeu alata i pribora-stege)
1 Mera vremena
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Uslovi sastavljanja Otputajte i steite matice samo
korienjem kljueva Ne koristite ruke za podeavanje panera Ne piite po materijalu Alati ne smeju da ispadaju posle zamene
Samo operater je kvalifikovan da uradizamenu
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Lista za proveru prvog pokuaja
SMED I POKA YOKE25/ 58
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Lista za proveru prvog pokuaja Procedura rada
Podesite i stegnite pribor-stegu
Podesite 2 normalnestrane/ivice
Mali alat: 30mm sa obestrane & 35mm od ivice
Izmerite 5mm a da disk ne
ispadne Promenite sirovine (9 malihdiskova)
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Rezultati - pre SMED
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Pre SMED - Dikusija Koje je ukupno vreme zamene? Koliko vremena se troi na tra enje ru nih alata
(klju eva i sl.)?
Koliko se vremena troi na otputanje i stezanjealata?
Koliko je vremena potroeno na podeavanje? Koji je nivo stresa operatera? Varijacija vremena i greaka u radu je velika
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Lista za proveru drugog pokuaja Materijal
Lenjir Klju viljukasti - paneri 19
Inbus klju evi 5 Novi alat Nova sirovina (9 malih diskova) Grani nici i podloka Leptir matica
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Lista za proveru drugog pokuaja
Procedura radaDodaj podloku i
grani nikePostavi novi alat na
podlokuPodesi i stegni dr a
Izmeri 5mm a da disk
ne ispadneZameni sirovinu
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Posle SMED
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Rezultati - posle SMED
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Zakljuak Smanjenje vremena zamene:
300s 80s
Konverzija interne u eksternu Lista za proveru
Nema potrebe za tra
enjem alataposle zamene
Optimizacija internog i eksternog Eliminiite pokuaj i greku
dodavanjem grani nika Standardizacija pomo u podloke Leptir matica
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Primeri VIDEO SMED
Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES -LeanEA Production and Profitability improvement in SerbiaEnterprises by adopting Lean Thinking Philosophy and strengthening Enterprise Academia connections
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Agenda
ta je SMED? etiri faze SMED SMED igra ta je Poka Yoke? Ljudske greke, greke i defekti Poka YokeUreaji
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ta je spreavanje greke? Tehnika za minimizaciju verovatnoe
Nastanka greaka/defekata i Njihovog prenoenja kupcu
Ne bavi se identifikacijom i brojanjemdefekata
Naglasak na eliminaciji uzroka Moe smanjiti vreme/cenu inspekcije na
praktino nita
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Poke Yoka i Shingo Takoe poznata kao Poke-yoke, Japanski izraz za
izbegavanje slu ajnih greaka izbe i (yokeru) greke(poka)
Tehniku formalizovao Shigeo Shingo. Koristi karakteristike procesa i/ili dizajna Ugraena u
Dizajn proizvoda Dizajn alata Dizajn procesa
Poke-yoke ureaji su mehanizam koji Spre ava pravljenje greaka ini greke o iglednima
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Svakodnevni primeri
, ,
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Efektivnost spreavanja greakaAT&T Power Systems je prvi proizvoa iz SAD
koji je osvojio Deming-ovu nagradu. Prose anbroj defekata na izlazu redukovan za 70%
Cooper Automotive: 88% redukcija defekata u fabrici 70% smanjenje trokova garancije
89% redukcija karta (0.7%) 60% pove anje produktivnostiSource: Productivity Inc. and Shingo prize profiles
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Greiti je ljudskiDa li ste ikad Dovezli se do posla a da se ne seate puta? Zaboravili da stanete u prodavnici?
Radnici rade isto Radnici zavre smenu i ne seaju se ta suradili.
Posle pravljenja zelenih delova celo jutro, radnicistavljaju zelene delove na crvene celo popodne.
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Agenda ta je SMED? etiri faze SMED SMED igra
ta je Poke Yoka? Ljudske greke, greke i defekti Poke Yoka Ureaji
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Poke Yoka ili Statistika
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// .
. .
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Ljudske greke Greke su.
Ni ija greka Izvrenje zabranjene akcije Neuspeno izvedene potrebne akcije. Pogrena interpretacija informacija klju nih za uspeno izvoenje
akcije Posledica varijacija u procesu, a ne ljudi u procesu Tradicionalno smatrane
Prirodne, ali krivica ljudi koji ih prave Neizbe ne, i treba izbe i napor potreban za razumevanje procesa
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Defekti i greke Defekti su rezultati Greke su uzrok defekata
Prevencija greaka a ne detekcija defekata
Ljudi prave greke (uzrok), a defekti nastaju zbog toga to sunapravljene greke (efekat)
Greke se ne
e pretvoritu u defekte ukoliko se reaguje u fazinastanka greke.
Prevencija Detekcija Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES -LeanEA Production and Profitability improvement in SerbiaEnterprises by adopting Lean Thinking Philosophy and strengthening Enterprise Academia connections
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ta prouzrokuje defekte? Defekti procesa
Otkaz procesa Operacioni ili proceduralni neuspeh
Greka procesa Pogrean ili neprecizan
Defekti proizvoda Nepotpun proizvod Proizvod ispod standarda
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S O O
Nivoi defekata
Nivo 1: Defekti koji su poslati van fabrike
Nivo 2: Defekti koji su zadr ani u fabrici
Nivo 3: Redukovani defekti
Nivo 4: Defekti koji su zadr ani na nivou faze proizvodnje
Nivo 5: Defekti koji nisu proizvedeni (Shingo metode)
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S O O
Agenda
ta je SMED? etiri faze SMED SMED igra ta je Poke Yoka? Ljudske greke, greke i defekti Poke Yoka Ureaji
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ta bi ste uinili da spreite kamioneda udare most?
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Nivoi odbrane od greaka
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Neki od uobiajenih Poke Yoka
ureaja Voice (zadravaju ili ograniavaju kretanje delova,alata tokom procesa montae)
Trepua svetla i alarmi(detektori greaka) Granini/udaljenost prekidai (pokazuje
prisustvo/odsustvo komponenti i njihovog ispravnogpoloaja)
Brojai (brojai broja putnika)
Liste za proveru-Checklists (grafiki podsetnici ozadacima, materijalima, itd.)
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Gde traiti prilike da se spree
greke? Gde tra iti prilike da se spre e greke?
albe muterija/kart Podaci odbora za reviziju materijala Podaci o produktivnosti procesa Nemogu nost da se ostvari vreme ciklusa
Problemi sa bezbedno
u i zatitom radnika Nalazi revizije
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Tipovi ureaja za prevencijugreaka
1) Prevencija naspram detekcije
Ureaji koji se koriste da se spre e greke npr. floppy disk
Ili detektuju greke/defekti u pripremi ili tokomprocesa npr. senzor da detektuje udar
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Tipovi ureaja za prevencijugreaka
2) Mehani ki naspram Audio/Vizuelnih Mehani ke granice koje spre avaju da se
dese greke
npr. klinovi grani nici Vizuelna/Zvu na upozorenja da e se greka
desiti ili se desila npr. zvu ni signal kada su farovi ostavljeni
upaljeni na automobilu
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Tipovi ureaja za prevenciju
greaka3) Regulatorni naspram postavki Regulatorni: Ureaji koji ili kontroliu proces,
ili daju upozorenje
npr. zaustavi proces kada se detektujeabnormalnost
Postavke - Setting : Osiguravaju dobre
postavke ili broj jedinica u procesu npr. standardne operativne procedure
Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES -LeanEA Production and Profitability improvement in SerbiaEnterprises by adopting Lean Thinking Philosophy and strengthening Enterprise Academia connections
est koraka Poka Yoke
1. Razumeti proces2. Identifikovati mogu nosti nastanka greaka3. Utvrditi rizike povezane sa njima4. Pokuati ukloniti najve e rizike5. Plan-Do-Study-Act (PDSA) analiza mogu ih
reenja za spre avanje greaka
6. Implementirati reenja za spre avanje greaka
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PrimeriSwitches
Senzor za detekciju blizine
broken bit
proximity sensor
warning lamp
Granini prekidai na kalupu
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Nov stav koji vodi ka prevencijigreaka
Uiniti pogrene korake teim
Uini moguim povratne akcije korake undo ili uini teim ono to ne moe da se uradikao povratna akcija.
Uiniti lakim uoavanje greaka koje se pojavljuju.
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Idealno reenje za proveru
greke Idealna reenja su:
Jeftina Jednostavna i laka za primenu Specifina prema potrebama Angauju radnike u procesu
Project 511084-TEMPUS-1-2010-1-RS-TEMPUS-JPHES -LeanEA Production and Profitability improvement in SerbiaEnterprises by adopting Lean Thinking Philosophy and strengthening Enterprise Academia connections
Reference The Complete Lean Kit (Learning to See, Seeing The Whole,
Creating Level Pull, Creating Continuous Flow, Making MaterialsFlow, Lean Lexicon), Lean Enterprise Academy (www.leanuk.org)
Bicheno, J. (2004) 'The New Lean Toolbox: Towards Fast, FlexibleFlow (3rd ed) Picsie Press, England.