{"id":108761,"date":"2026-10-24T12:48:10","date_gmt":"2026-10-24T12:48:10","guid":{"rendered":"https:\/\/skyplanner.ai\/?p=108761"},"modified":"2026-10-24T12:49:49","modified_gmt":"2026-10-24T12:49:49","slug":"mtbf","status":"publish","type":"post","link":"https:\/\/skyplanner.ai\/tr\/kaynaklar\/mtbf\/","title":{"rendered":"Ar\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131"},"content":{"rendered":"
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Ar\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131<\/h1>\n\n
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Ana Sayfa<\/a> » Kaynaklar<\/a> » Ar\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131<\/p>\n\n\n

<\/path><\/svg><\/span><\/span>Tahmini okuma s\u00fcresi: <\/span>11<\/span> dakika<\/span><\/p>\n\n<\/div>\n

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Ar\u0131zalar aras\u0131 ortalama s\u00fcre (MTBF), onar\u0131labilir bir ekipman\u0131n ar\u0131za ba\u015f\u0131na ortalama \u00e7al\u0131\u015fma s\u00fcresidir.<\/strong> Bir \u00fcretim makinesi i\u00e7in bu de\u011feri hesaplamak \u00fczere toplam fiil\u00ee \u00e7al\u0131\u015fma saatini, ayn\u0131 g\u00f6zlem d\u00f6neminde kaydedilen ekipman ar\u0131zalar\u0131n\u0131n say\u0131s\u0131na b\u00f6l\u00fcn:<\/p>\n\n\n

MTBF = toplam \u00e7al\u0131\u015fma s\u00fcresi \u00f7 ar\u0131za say\u0131s\u0131<\/strong><\/p>\n\n\n

160 saat \u00e7al\u0131\u015fan ve d\u00f6rt kez ar\u0131zalanan bir makinenin g\u00f6zlenen MTBF de\u011feri 40 \u00e7al\u0131\u015fma saatidir. Bu, makinenin her 40 saatte bir ar\u0131zalanaca\u011f\u0131 veya 40. saatten hemen \u00f6nce bak\u0131m yap\u0131lmas\u0131n\u0131n bir sonraki ar\u0131zay\u0131 \u00f6nleyece\u011fi anlam\u0131na gelmez.<\/p>\n\n\n

As\u0131l soru, g\u00f6zlenen ar\u0131za \u00f6r\u00fcnt\u00fcs\u00fcn\u00fcn neleri ara\u015ft\u0131rman\u0131z ve de\u011fi\u015ftirmeniz gerekti\u011fine i\u015faret etti\u011fidir. Bak\u0131m ve \u00fcretim ekipleri bir m\u00fcdahale \u00fczerinde anla\u015ft\u0131\u011f\u0131nda, makinenin kullan\u0131lamayaca\u011f\u0131 s\u00fcre de sipari\u015f \u00e7izelgesine yans\u0131t\u0131lmal\u0131d\u0131r. SkyPlanner APS, bu kapasite de\u011fi\u015fikli\u011fini etkilenen i\u015flerle ve teslimat tarihleriyle ili\u015fkilendirir. B\u00f6ylece bak\u0131m listesiyle makinelerin ayr\u0131 i\u015f kuyruklar\u0131n\u0131 sizin kar\u015f\u0131la\u015ft\u0131r\u0131p uyumlu h\u00e2le getirmeniz gerekmez.<\/p>\n\n\n

MTBF hesab\u0131n\u0131z\u0131n tam olarak neyi \u00f6l\u00e7t\u00fc\u011f\u00fcn\u00fc belirleyin<\/h2>\n\n\n

B\u00f6lme i\u015flemi kolayd\u0131r. Ancak \u00e7al\u0131\u015fma saatleri ile ar\u0131za say\u0131s\u0131n\u0131n ayn\u0131 esaslara dayanmas\u0131n\u0131 sa\u011flamak daha fazla \u00f6zen ister. Rapor almadan \u00f6nce verileri kaydeden ki\u015filerle \u015fu d\u00f6rt konuda anla\u015f\u0131n.<\/p>\n\n\n

\u00d6l\u00e7\u00fclecek ekipman\u0131 tan\u0131mlay\u0131n<\/h3>\n\n\n

Belirli bir makineyle veya s\u0131n\u0131rlar\u0131 a\u00e7\u0131k\u00e7a \u00e7izilmi\u015f bir sistemle ba\u015flay\u0131n. Bir i\u015fleme merkezini, onun i\u015f milini ya da t\u00fcm tala\u015fl\u0131 imalat b\u00f6l\u00fcm\u00fcn\u00fc \u00f6l\u00e7mek farkl\u0131 \u00f6l\u00e7\u00fcm s\u0131n\u0131rlar\u0131 anlam\u0131na gelir.<\/p>\n\n\n

Makinenin tamam\u0131n\u0131 \u00f6l\u00e7\u00fcyorsan\u0131z, gerekli i\u015fi yapmas\u0131n\u0131 engelleyen bir i\u015f mili ar\u0131zas\u0131, makine ar\u0131zas\u0131 say\u0131l\u0131r. \u0130\u015f milinin de\u011fi\u015ftirilip makinenin yeniden devreye al\u0131nmas\u0131, makineyi onar\u0131lamaz bir ekipman h\u00e2line getirmez.<\/p>\n\n\n

Hat d\u00fczeyinde \u00f6l\u00e7\u00fcm de yap\u0131labilir; ancak hat ar\u0131zas\u0131n\u0131, hatt\u0131n gerekli i\u015flevini yitirmesi olarak tan\u0131mlay\u0131n. Bile\u015fenlere ait t\u00fcm alarmlar\u0131 toplamak, ayn\u0131 hat duru\u015funun birden fazla kez say\u0131lmas\u0131na yol a\u00e7abilir.<\/p>\n\n\n

Yaln\u0131zca duru\u015fu de\u011fil, ar\u0131zay\u0131 tan\u0131mlay\u0131n<\/h3>\n\n\n

Gerekli i\u015flevi ve bu i\u015flevin kayb\u0131 say\u0131lacak olay\u0131 belirtin. Makinenin gerekli \u00e7al\u0131\u015fma ko\u015fulunu sa\u011flamas\u0131n\u0131 engelleyen bir ekipman sorunu, makinenin enerjisi tamamen kesilmemi\u015f olsa bile ar\u0131za say\u0131labilir.<\/p>\n\n\n

Planl\u0131 bak\u0131m, normal bir tip de\u011fi\u015fimi, operat\u00f6r eksikli\u011fi ve malzeme bekleme kendili\u011finden ekipman ar\u0131zas\u0131 say\u0131lmaz. Bu kay\u0131plar\u0131 g\u00f6r\u00fcn\u00fcr tutun, ancak ar\u0131za say\u0131s\u0131ndan ayr\u0131 izleyin.<\/p>\n\n\n

K\u0131sa s\u00fcreli ar\u0131zalar\u0131 ve tekrarlanan s\u0131f\u0131rlamalar\u0131 nas\u0131l ele alaca\u011f\u0131n\u0131z\u0131 belirleyin. Hen\u00fcz giderilmemi\u015f tek bir ar\u0131za s\u0131ras\u0131nda olu\u015fan birden fazla alarm kayd\u0131, birbirinden ba\u011f\u0131ms\u0131z ar\u0131zalar olarak say\u0131lmamal\u0131d\u0131r. Makine ger\u00e7ekten yeniden \u00e7al\u0131\u015f\u0131r duruma getirildikten sonra olu\u015fan bir ar\u0131za ise yeni bir olayd\u0131r. Tekrarlayan ar\u0131zalar\u0131 bir raporlama e\u015fi\u011fiyle g\u00f6r\u00fcnmez k\u0131lmak yerine ara\u015ft\u0131rabilmek i\u00e7in olay\u0131n \u00f6zg\u00fcn ayr\u0131nt\u0131lar\u0131n\u0131 kaydedin.<\/p>\n\n\n

Esas alaca\u011f\u0131n\u0131z \u00e7al\u0131\u015fma \u00f6l\u00e7\u00fcs\u00fcn\u00fc se\u00e7in<\/h3>\n\n\n

Bu k\u0131lavuzda \u00e7al\u0131\u015fma s\u00fcresine dayal\u0131 MTBF<\/strong> kullan\u0131l\u0131r: \u00d6l\u00e7\u00fcm s\u0131n\u0131rlar\u0131 i\u00e7indeki ekipman\u0131n fiilen \u00e7al\u0131\u015ft\u0131\u011f\u0131 saatler esas al\u0131n\u0131r. Onar\u0131m s\u00fcresi ve di\u011fer \u00e7al\u0131\u015f\u0131lmayan s\u00fcreler paya d\u00e2hil edilmez. Sonu\u00e7, bir ar\u0131zan\u0131n zaman damgas\u0131ndan bir sonrakininkine kadar ge\u00e7en ortalama takvim s\u00fcresi de\u011fildir.<\/p>\n\n\n

\u00c7al\u0131\u015fmay\u0131 izlemek i\u00e7in kulland\u0131\u011f\u0131n\u0131z sinyalin neleri kapsad\u0131\u011f\u0131n\u0131 belirtin. Makineye enerji verildi\u011fi s\u00fcrece i\u015fleyen bir saat sayac\u0131, \u00e7evrimin s\u00fcrd\u00fc\u011f\u00fcn\u00fc g\u00f6steren bir sinyal ve personel bulunan vardiyalar\u0131 g\u00f6steren bir takvim farkl\u0131 toplamlar verebilir. Ekipman\u0131n\u0131z a\u00e7\u0131s\u0131ndan anlaml\u0131 \u00f6l\u00e7\u00fc \u00e7al\u0131\u015fma saati de\u011fil de \u00e7evrim veya ba\u015flatma say\u0131s\u0131ysa, bunlar\u0131n birbirinin yerine ge\u00e7ebilece\u011fini varsaymay\u0131n; ilgili \u00f6l\u00e7\u00fcy\u00fc \u00e7al\u0131\u015fma saatleriyle birlikte izleyin.<\/p>\n\n\n

Ayn\u0131 g\u00f6zlem d\u00f6nemini esas al\u0131n<\/h3>\n\n\n

\u00c7al\u0131\u015fma saatleri ile ar\u0131za olaylar\u0131 i\u00e7in ayn\u0131 raporlama ba\u015flang\u0131\u00e7 ve biti\u015f tarihlerini kullan\u0131n. Ar\u0131zalar\u0131, bu d\u00f6nem i\u00e7inde meydana gelmelerine g\u00f6re say\u0131n. Ge\u00e7en ay ba\u015flayan bir ar\u0131zan\u0131n onar\u0131m\u0131 bu ay tamamland\u0131 diye bunu yeni bir ar\u0131za olarak saymay\u0131n.<\/p>\n\n\n

Raporlama d\u00f6nemi sona ermeden ar\u0131zayla sonu\u00e7lanmayan \u00e7al\u0131\u015fma s\u00fcreleri de d\u00e2hil olmak \u00fczere, d\u00f6nem i\u00e7indeki t\u00fcm fiil\u00ee \u00e7al\u0131\u015fma s\u00fcresini hesaba kat\u0131n. Yaln\u0131zca ar\u0131zayla biten tamamlanm\u0131\u015f \u00e7al\u0131\u015fma d\u00f6nemlerini se\u00e7miyorsunuz; d\u00f6nem boyunca g\u00f6zlenen toplam \u00e7al\u0131\u015fmay\u0131 \u00f6l\u00e7\u00fcyorsunuz. D\u00f6nemin toplam duru\u015f s\u00fcresi i\u00e7in yaln\u0131zca o d\u00f6nem i\u00e7inde ekipman\u0131n kullan\u0131lamad\u0131\u011f\u0131 saatleri say\u0131n. Bir ar\u0131za raporlama s\u0131n\u0131r\u0131n\u0131 a\u015f\u0131yorsa, olay\u0131n ve yeniden devreye alman\u0131n tam kayd\u0131n\u0131 ayr\u0131ca saklay\u0131n.<\/p>\n\n\n

Her ar\u0131za i\u00e7in makine kimli\u011fini, ar\u0131zan\u0131n olu\u015fma zaman\u0131n\u0131, yeniden devreye al\u0131nma zaman\u0131n\u0131, g\u00f6zlenen belirtiyi veya ar\u0131za bi\u00e7imini ve ilgili \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131 kaydedin. Bu ayr\u0131nt\u0131lar, ortalama de\u011ferin neye dayand\u0131\u011f\u0131n\u0131 a\u00e7\u0131klaman\u0131z\u0131 sa\u011flar.<\/p>\n\n\n

MTBF nas\u0131l hesaplan\u0131r? \u00dcretimden bir \u00f6rnek<\/h2>\n\n\n

Onar\u0131labilir bir i\u015fleme merkezinin, personel bulunan toplam 200 saati kapsayan bir raporlama d\u00f6nemi boyunca g\u00f6zlendi\u011fini d\u00fc\u015f\u00fcn\u00fcn. S\u00fcre kay\u0131tlar\u0131n\u0131n a\u015fa\u011f\u0131daki da\u011f\u0131l\u0131m\u0131 bu toplam\u0131 verir. Kategoriler birbiriyle \u00f6rt\u00fc\u015fmez ve d\u00f6rt ar\u0131zan\u0131n her biri, \u00fczerinde anla\u015f\u0131lan tan\u0131ma g\u00f6re ayr\u0131 bir ekipman ar\u0131zas\u0131d\u0131r.<\/p>\n\n\n

S\u00fcre kategorisi<\/th>D\u00f6nem i\u00e7indeki s\u00fcre (saat)<\/th>Hesaplamada nas\u0131l ele al\u0131n\u0131r?<\/th><\/tr><\/thead>
Planl\u0131 bak\u0131m<\/td>12<\/td>\u00c7al\u0131\u015fma s\u00fcresi de\u011fildir; ar\u0131za say\u0131lmaz<\/td><\/tr>
Normal haz\u0131rl\u0131k ve tip de\u011fi\u015fimleri<\/td>8<\/td>\u00c7al\u0131\u015fma s\u00fcresi de\u011fildir; ar\u0131za say\u0131lmaz<\/td><\/tr>
Makine \u00e7al\u0131\u015fm\u0131yorken malzeme bekleme<\/td>10<\/td>\u00c7al\u0131\u015fma s\u00fcresi de\u011fildir; ekipman ar\u0131zas\u0131 say\u0131lmaz<\/td><\/tr>
D\u00f6rt ekipman ar\u0131zas\u0131 nedeniyle kullan\u0131lamayan s\u00fcre<\/td>10<\/td>\u00c7al\u0131\u015fma s\u00fcresi de\u011fildir; duru\u015f analizi i\u00e7in saklan\u0131r<\/td><\/tr>
Fiil\u00ee \u00e7al\u0131\u015fma s\u00fcresi<\/td>160<\/td>MTBF hesab\u0131n\u0131n pay\u0131<\/td><\/tr>
Personel bulunan toplam s\u00fcre<\/td>200<\/td>Kontrol ama\u00e7l\u0131 toplamd\u0131r; hesaplaman\u0131n pay\u0131 de\u011fildir<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n

Hesaplama \u015f\u00f6yledir:<\/p>\n\n\n

160 \u00e7al\u0131\u015fma saati \u00f7 4 ar\u0131za = ar\u0131za ba\u015f\u0131na 40 \u00e7al\u0131\u015fma saati<\/strong><\/p>\n\n\n

Personel bulunan toplam s\u00fcreden ba\u015fl\u0131yorsan\u0131z, \u00f6nce \u00e7al\u0131\u015f\u0131lmayan s\u00fcreleri \u00e7\u0131kar\u0131n: 200 \u2212 12 \u2212 8 \u2212 10 \u2212 10 = 160 saat. Veri kayna\u011f\u0131n\u0131z zaten 160 saat fiil\u00ee \u00e7al\u0131\u015fma bildiriyorsa bu de\u011feri do\u011frudan kullan\u0131n. Duru\u015f s\u00fcresini tekrar \u00e7\u0131karmak, MTBF de\u011ferini oldu\u011fundan d\u00fc\u015f\u00fck g\u00f6sterir.<\/p>\n\n\n

Bu \u00f6rnek, yaln\u0131zca vardiya takviminin neden yeterli olmad\u0131\u011f\u0131n\u0131 da g\u00f6sterir. Personel bulunan 200 saati d\u00f6rde b\u00f6lmek, ar\u0131za ba\u015f\u0131na 50 saat sonucunu verir; ancak bu sonuca makinenin \u00e7al\u0131\u015fmad\u0131\u011f\u0131 s\u00fcreler de d\u00e2hil olur.<\/p>\n\n\n

Sonucu ba\u011flam\u0131yla birlikte raporlay\u0131n: \u201cMakine MC-01, raporlama d\u00f6nemi, 160 \u00e7al\u0131\u015fma saati, d\u00f6rt ar\u0131za, g\u00f6zlenen MTBF 40 saat.\u201d Ba\u015fka bir d\u00f6nemle kar\u015f\u0131la\u015ft\u0131rma yap\u0131l\u0131rken, hesaplaman\u0131n pay\u0131 ve ar\u0131za say\u0131s\u0131 da \u00f6ne \u00e7\u0131kan sonu\u00e7 de\u011feri kadar \u00f6nemlidir.<\/p>\n\n\n

S\u0131f\u0131r ar\u0131zay\u0131 ve birden fazla makineyi sonucu \u00e7arp\u0131tmadan ele al\u0131n<\/h2>\n\n\n

Hi\u00e7 ar\u0131za olmad\u0131ysa ne yap\u0131lmal\u0131?<\/h3>\n\n\n

S\u0131f\u0131ra b\u00f6lme yapmay\u0131n veya kusursuz g\u00fcvenilirli\u011fin kan\u0131t\u0131 olarak sonsuz MTBF raporlamay\u0131n. Raporunuzda ger\u00e7ek \u00e7al\u0131\u015fma s\u00fcresini kullanarak \u201c160 \u00e7al\u0131\u015fma saatinde ar\u0131za g\u00f6zlenmedi\u201d yaz\u0131n.<\/p>\n\n\n

Bu yararl\u0131 bir bulgudur, ancak y\u0131llarca ar\u0131zas\u0131z \u00e7al\u0131\u015fmayla ayn\u0131 kan\u0131t\u0131 sunmaz. \u0130statistiksel bir alt g\u00fcven s\u0131n\u0131r\u0131 hesaplamak i\u00e7in bir istatistiksel model ve se\u00e7ilmi\u015f bir g\u00fcven d\u00fczeyi gerekir. Ola\u011fan bir \u00fcretim de\u011ferlendirmesinde, tek bir tahmini de\u011fer uydurmak yerine s\u0131f\u0131r ar\u0131za say\u0131s\u0131n\u0131 ve g\u00f6zlenen \u00e7al\u0131\u015fma s\u00fcresini oldu\u011fu gibi aktarmak daha d\u00fcr\u00fcstt\u00fcr.<\/p>\n\n\n

Veriler birden fazla makineden geliyorsa ne yap\u0131lmal\u0131?<\/h3>\n\n\n

Kar\u015f\u0131la\u015ft\u0131r\u0131labilir makineleri ayn\u0131 grupta de\u011ferlendirmeniz i\u00e7in ge\u00e7erli bir gerek\u00e7e varsa, makinelerin toplam \u00e7al\u0131\u015fma saati \u00f7 toplam ar\u0131za say\u0131s\u0131<\/strong> form\u00fcl\u00fcn\u00fc kullan\u0131n. Tek bir ortak takvim d\u00f6nemini t\u00fcm makinelerin ar\u0131za say\u0131s\u0131na b\u00f6lmeyin ve makinelerin ayr\u0131 MTBF de\u011ferlerinin a\u011f\u0131rl\u0131ks\u0131z ortalamas\u0131n\u0131 almay\u0131n.<\/p>\n\n\n

\u00d6rne\u011fin, ayn\u0131 kay\u0131t kurallar\u0131na tabi iki kar\u015f\u0131la\u015ft\u0131r\u0131labilir makine d\u00fc\u015f\u00fcn\u00fcn. Biri 160 saat \u00e7al\u0131\u015fm\u0131\u015f ve d\u00f6rt kez ar\u0131zalanm\u0131\u015f, di\u011feri ise 240 saat \u00e7al\u0131\u015fm\u0131\u015f ve iki kez ar\u0131zalanm\u0131\u015f olsun. Birle\u015ftirilmi\u015f sonu\u00e7 400 \u00f7 6, yani ar\u0131za ba\u015f\u0131na yakla\u015f\u0131k 66,7 \u00e7al\u0131\u015fma saatidir. Bu, 40 ile 120’nin basit ortalamas\u0131 olan 80 de\u011fildir.<\/p>\n\n\n

Makine baz\u0131ndaki sonu\u00e7lar\u0131 da saklay\u0131n. Birle\u015ftirilmi\u015f bir de\u011fer, \u00fcretimde en \u00e7ok soruna yol a\u00e7an makineyi gizleyebilir. Ekipmanlar\u0131n tasar\u0131mlar\u0131, ya\u015flar\u0131 veya yapt\u0131klar\u0131 i\u015fler farkl\u0131ysa, fabrika genelinde tek bir g\u00fcvenilirlik puan\u0131 yerine ayr\u0131 gruplar olu\u015fturmak gerekebilir.<\/p>\n\n\n

Ne yapaca\u011f\u0131n\u0131za karar vermeden \u00f6nce MTBF de\u011ferini yorumlay\u0131n<\/h2>\n\n\n

G\u00f6zlenen MTBF de\u011ferinin daha y\u00fcksek olmas\u0131, belirtilen \u00f6l\u00e7\u00fcm s\u0131n\u0131rlar\u0131 i\u00e7inde \u00e7al\u0131\u015fma saati ba\u015f\u0131na daha az ar\u0131za say\u0131ld\u0131\u011f\u0131 anlam\u0131na gelir. Bunun bir iyile\u015fme olup olmad\u0131\u011f\u0131, ba\u015fka nelerin de\u011fi\u015fti\u011fine ba\u011fl\u0131d\u0131r.<\/p>\n\n\n

Benzer ko\u015fullar\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n<\/h3>\n\n\n

Kar\u015f\u0131la\u015ft\u0131rd\u0131\u011f\u0131n\u0131z d\u00f6nemlerde ar\u0131za tan\u0131mlar\u0131n\u0131n, fiil\u00ee \u00e7al\u0131\u015fma s\u00fcresini \u00f6l\u00e7me esaslar\u0131n\u0131n ve ekipman kapsam\u0131n\u0131n ayn\u0131 olmas\u0131na dikkat edin. Ard\u0131ndan yap\u0131lan i\u015fi inceleyin. Makinenin farkl\u0131 y\u00fckler alt\u0131nda, daha az zorlay\u0131c\u0131 bir \u00fcr\u00fcn karmas\u0131yla \u00e7al\u0131\u015fmas\u0131, bak\u0131mda yap\u0131lan de\u011fi\u015fikli\u011fin i\u015fe yarad\u0131\u011f\u0131n\u0131 tek ba\u015f\u0131na g\u00f6stermez.<\/p>\n\n\n

E\u011filimin yan\u0131nda fiil\u00ee \u00e7al\u0131\u015fma s\u00fcresini ve ar\u0131za say\u0131s\u0131n\u0131 da g\u00f6sterin. K\u0131sa bir d\u00f6nemde ya\u015fanan tek bir olay, ortalamay\u0131 keskin bi\u00e7imde de\u011fi\u015ftirebilir. Daha uzun g\u00f6zlem s\u00fcreleri yararl\u0131d\u0131r; ancak farkl\u0131 \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131n ge\u00e7erli oldu\u011fu y\u0131llar\u0131 bir araya getirmek, yak\u0131n zamanda ba\u015flayan bir k\u00f6t\u00fcle\u015fmeyi gizleyebilir. Yaln\u0131zca birikimli ortalamay\u0131 de\u011fil, son d\u00f6nemdeki seyri ve bunun arkas\u0131ndaki ko\u015fullar\u0131 da inceleyin.<\/p>\n\n\n

T\u00fcm \u00fcretim makineleri i\u00e7in ge\u00e7erli, evrensel bir \u201ciyi MTBF\u201d de\u011feri yoktur. Anlaml\u0131 bir hedef; kar\u015f\u0131la\u015ft\u0131r\u0131labilir ge\u00e7mi\u015f verileri, makineden beklenen \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131 ve ar\u0131zan\u0131n sonu\u00e7lar\u0131n\u0131 dikkate al\u0131r. Kolayca devre d\u0131\u015f\u0131 b\u0131rak\u0131l\u0131p i\u015fi ba\u015fka yerde yap\u0131labilen bir makinedeki y\u00fcksek de\u011fer, teslimat performans\u0131 a\u00e7\u0131s\u0131ndan, kritik bir operasyonu yapabilen tek makinedeki s\u0131k kesintilerden daha az \u00f6nem ta\u015f\u0131yabilir.<\/p>\n\n\n

Ortalamay\u0131 bir geri say\u0131ma d\u00f6n\u00fc\u015ft\u00fcrmeyin<\/h3>\n\n\n

MTBF’nin 40 saat olmas\u0131, bir sonraki ar\u0131zan\u0131n zaman\u0131n\u0131 veya makinenin kalan \u00f6mr\u00fcn\u00fc g\u00f6stermez. Ar\u0131zalar k\u0131sa bir zaman aral\u0131\u011f\u0131nda yo\u011funla\u015fabilir; baz\u0131 kesintisiz \u00e7al\u0131\u015fma s\u00fcreleri ise ortalaman\u0131n \u00e7ok \u00fczerine \u00e7\u0131kabilir.<\/p>\n\n\n

MTBF tek ba\u015f\u0131na \u00f6nleyici bak\u0131m aral\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in de yeterli de\u011fildir. Do\u011fru m\u00fcdahale; ar\u0131zan\u0131n olu\u015fma mekanizmas\u0131na, ekipman\u0131n durumuna ili\u015fkin bulgulara, ekipmanla ilgili bak\u0131m y\u00f6nergelerine ve ar\u0131zan\u0131n sonu\u00e7lar\u0131na ba\u011fl\u0131d\u0131r. \u00d6rne\u011fin, ya\u015flanmaya ba\u011fl\u0131 a\u015f\u0131nma ile zaman zaman ortaya \u00e7\u0131kan kirlenme farkl\u0131 incelemeler gerektirir; genel bir ortalama, hangisiyle kar\u015f\u0131 kar\u015f\u0131ya oldu\u011funuzu s\u00f6yleyemez.<\/p>\n\n\n

Sonu\u00e7 k\u00f6t\u00fcle\u015fti\u011finde, ilgili ar\u0131za olaylar\u0131n\u0131 belirleyip daha somut sorular sorun: Hangi ar\u0131za t\u00fcr\u00fc, hangi ko\u015fullarda tekrarlan\u0131yor ve hangi de\u011fi\u015fiklik bunu giderebilir? Ard\u0131ndan, m\u00fcdahale sonras\u0131nda benzer \u00e7al\u0131\u015fma ko\u015fullar\u0131nda ayn\u0131 sorunun yeniden ortaya \u00e7\u0131k\u0131p \u00e7\u0131kmad\u0131\u011f\u0131n\u0131 inceleyin.<\/p>\n\n\n

Ar\u0131za s\u0131kl\u0131\u011f\u0131n\u0131 kaybedilen s\u00fcreyle birlikte de\u011ferlendirin<\/h3>\n\n\n

MTBF, bir ar\u0131zadan sonra makinenin ne kadar s\u00fcre \u00fcretim yapamayaca\u011f\u0131n\u0131 g\u00f6stermez. Ayn\u0131 MTBF de\u011ferine sahip iki makineden biri h\u0131zla devreye d\u00f6nerken di\u011feri uzman veya yedek par\u00e7a bekliyorsa, sipari\u015fler \u00fczerindeki etkileri \u00e7ok farkl\u0131 olabilir.<\/p>\n\n\n

Ortalaman\u0131n yan\u0131nda ar\u0131zaya ba\u011fl\u0131 toplam duru\u015f s\u00fcresini ve uzun s\u00fcren tekil kesintileri de inceleyin. Etkilenen i\u015flerin sonraki operasyonlar\u0131n\u0131 da takip edin. Kritik bir operasyon i\u00e7in kullan\u0131labilecek tek zaman diliminin hemen \u00f6ncesindeki k\u0131sa bir kesinti, telafi i\u00e7in bol zaman bulunan daha uzun bir duru\u015ftan teslimat a\u00e7\u0131s\u0131ndan daha \u00f6nemli olabilir.<\/p>\n\n\n

MTBF, MTTR ve MTTF aras\u0131ndaki farklar<\/h2>\n\n\n

Bu g\u00f6stergeler farkl\u0131 sorular\u0131 yan\u0131tlar. K\u0131saltmalar\u0131 birbirinin yerine kullan\u0131labilecek puanlar gibi g\u00f6rmek yerine, hangi ekipman veya par\u00e7an\u0131n ele al\u0131nd\u0131\u011f\u0131n\u0131 ve s\u00fcrenin nas\u0131l tan\u0131mland\u0131\u011f\u0131n\u0131 a\u00e7\u0131k\u00e7a belirtin.<\/p>\n\n\n

G\u00f6sterge<\/th>Yan\u0131tlad\u0131\u011f\u0131 soru<\/th>Uygulamadaki fark<\/th><\/tr><\/thead>
MTBF: ar\u0131zalar aras\u0131 ortalama s\u00fcre<\/td>Onar\u0131labilir bir ekipmanda ar\u0131za ba\u015f\u0131na ne kadar fiil\u00ee \u00e7al\u0131\u015fma s\u00fcresi birikti?<\/td>Makine, onar\u0131mdan sonra yeniden kullan\u0131ma al\u0131n\u0131r.<\/td><\/tr>
MTTR: ortalama onar\u0131m veya yeniden devreye alma s\u00fcresi<\/td>Tan\u0131mlanan onar\u0131m veya yeniden devreye alma i\u015flemi ortalama ne kadar s\u00fcr\u00fcyor?<\/td>\u00d6l\u00e7\u00fclen s\u00fcreye bekleme, ar\u0131za te\u015fhisi, test ve yeniden ba\u015flatman\u0131n dahil olup olmad\u0131\u011f\u0131n\u0131 belirtin; raporlar farkl\u0131 ba\u015flang\u0131\u00e7 ve biti\u015f noktalar\u0131 kullan\u0131r.<\/td><\/tr>
MTTF: ar\u0131zaya kadar ge\u00e7en ortalama s\u00fcre<\/td>Onar\u0131lamayan bir par\u00e7a veya ekipman, ar\u0131zalanana kadar ne kadar dayan\u0131yor?<\/td>Onar\u0131lmak yerine de\u011fi\u015ftirilen par\u00e7a veya ekipman i\u00e7in ge\u00e7erlidir; o par\u00e7ay\u0131 i\u00e7eren makinenin tamam\u0131na do\u011frudan uygulanmaz.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n

Onar\u0131m raporunda yaln\u0131zca fiilen onar\u0131m yap\u0131lan s\u00fcre say\u0131lsa bile, \u00fcretim planlama a\u00e7\u0131s\u0131ndan makinenin kullan\u0131lamad\u0131\u011f\u0131 s\u00fcrenin tamam\u0131 \u00f6nemlidir. Bir par\u00e7ay\u0131 de\u011fi\u015ftirmek k\u0131sa s\u00fcrebilir; ancak ekip par\u00e7ay\u0131 temin edip \u00fcretime d\u00f6n\u00fc\u015f i\u00e7in gerekli kontrolleri tamamlayana kadar makine \u00e7ok daha uzun s\u00fcre kullan\u0131lamayabilir.<\/p>\n\n\n

Bu ayr\u0131m, yayg\u0131n bir planlama hatas\u0131n\u0131 \u00f6nler: ortalama onar\u0131m s\u00fcresini, gelecekteki her ar\u0131zan\u0131n bu s\u00fcre i\u00e7inde giderilece\u011fine dair bir garanti olarak g\u00f6rmek.<\/p>\n\n\n

G\u00fcvenilirlik bulgular\u0131n\u0131 SkyPlanner ile \u00fcretim kararlar\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcn<\/h2>\n\n\n

\u0130nceleme sonucunda bak\u0131m ekibinin, gelecek \u00e7ar\u015famba i\u015fleme merkezinde \u00fc\u00e7 saatlik bir m\u00fcdahale yap\u0131lmas\u0131n\u0131 kararla\u015ft\u0131rd\u0131\u011f\u0131n\u0131 varsayal\u0131m. Bu, teknik bir karara dayanarak se\u00e7ilmi\u015f bak\u0131m zaman aral\u0131\u011f\u0131d\u0131r; 40 saatlik MTBF de\u011ferinden tahmin edilmi\u015f bir ar\u0131za tarihi de\u011fildir.<\/p>\n\n\n

Bu karar, m\u00fc\u015fteri sipari\u015fleri i\u00e7in kullan\u0131labilecek kapasiteyi de\u011fi\u015ftirir. Yaln\u0131zca bak\u0131m takviminde kal\u0131rsa \u00fcretim plan\u0131, kullan\u0131lamayacak bir makineye i\u015f atamaya devam edebilir. Planlamac\u0131 da haftan\u0131n teslimatlar\u0131n\u0131 korumaya \u00e7al\u0131\u015f\u0131rken bu \u00e7ak\u0131\u015fmayla kar\u015f\u0131la\u015f\u0131r.<\/p>\n\n\n

SkyPlanner’da kararla\u015ft\u0131r\u0131lan zaman aral\u0131\u011f\u0131n\u0131<\/a> bir i\u015f merkezi istisnas\u0131<\/strong> olarak kaydedin. Bu istisna, kayna\u011f\u0131 belirtilen s\u00fcre boyunca kullan\u0131lamaz duruma getirir. Ard\u0131ndan SkyPlanner’\u0131n \u00e7izelgeleme yapay zek\u00e2s\u0131 Arcturus; tan\u0131mlanm\u0131\u015f i\u015f merkezlerini, vardiyalar\u0131, operasyon s\u00fcrelerini, ba\u011f\u0131ml\u0131l\u0131klar\u0131, \u00f6ncelikleri ve kilitleri kullanarak \u00e7izelgelenebilir operasyonlar\u0131 de\u011fi\u015fen kapasiteye g\u00f6re yeniden hesaplayabilir. Ortaya \u00e7\u0131kan s\u0131ralama Gantt \u015femas\u0131nda g\u00f6sterilir.<\/p>\n\n\n

\u00c7ar\u015famba g\u00fcnk\u00fc m\u00fcdahale i\u00e7in, bekleyen i\u015fleme operasyonlar\u0131ndan sonra yap\u0131lacak kontrol ve montaj i\u015flerine h\u00e2l\u00e2 yeterli zaman kal\u0131p kalmad\u0131\u011f\u0131n\u0131 inceleyin. Bir i\u015f uygun bir alternatif kayna\u011fa aktar\u0131l\u0131rsa, o kayna\u011fa daha \u00f6nce atanm\u0131\u015f i\u015fleri ve bunlara ili\u015fkin taahh\u00fctleri de kontrol edin. Bo\u015f bir zaman dilimi, ancak operasyon ger\u00e7ekten o kaynakta yap\u0131labiliyorsa ve rotan\u0131n kalan ad\u0131mlar\u0131 da plana s\u0131\u011f\u0131yorsa de\u011ferlidir.<\/p>\n\n\n

G\u00fcvenilirli\u011fi art\u0131rmaya y\u00f6nelik \u00e7al\u0131\u015fmalar makinenin kullan\u0131labilirli\u011fini de\u011fi\u015ftirdi\u011finde SkyPlanner’\u0131n yararl\u0131 bir sonraki ad\u0131m olmas\u0131n\u0131n nedeni budur. Teknik ve ticari kararlar sizde kal\u0131r; Arcturus ise birbirine ba\u011fl\u0131 operasyonlar\u0131n \u00e7izelgeleme hesaplamas\u0131n\u0131<\/a> \u00fcstlenir. \u0130\u015f kuyruklar\u0131n\u0131 yeniden d\u00fczenlemeye daha az zaman harcan\u0131r; \u00fcretim ve sat\u0131\u015f ekipleri de teslimatlarla ilgili kalan kararlar\u0131 ortak bir temelde de\u011ferlendirebilir.<\/p>\n\n\n

Kararla\u015ft\u0131r\u0131lan zamanlama de\u011fi\u015firse bak\u0131m zaman aral\u0131\u011f\u0131n\u0131 g\u00fcncelleyin. Art\u0131k ge\u00e7erli olmayan bir kullan\u0131labilirlik varsay\u0131m\u0131n\u0131 sonraki vardiyaya ta\u015f\u0131mak yerine yeniden hesaplama yap\u0131n ve etkilenen taahh\u00fctleri g\u00f6zden ge\u00e7irin.<\/p>\n\n\n

Bir makinenin kullan\u0131labilirli\u011finin teslimatlar\u0131n\u0131za etkisini g\u00f6r\u00fcn<\/h2>\n\n\n

Yararl\u0131 bir MTBF de\u011ferlendirmesi, yaln\u0131zca bir say\u0131yla de\u011fil, at\u0131lacak ad\u0131m\u0131n netle\u015fmesiyle sonu\u00e7lan\u0131r. Dayanak al\u0131nan verileri tan\u0131mlay\u0131n, \u00f6nemli ar\u0131zalar\u0131 ara\u015ft\u0131r\u0131n ve kararla\u015ft\u0131r\u0131lan kapasite de\u011fi\u015fikli\u011fini \u00fcretimin fiilen izledi\u011fi plana i\u015fleyin.<\/p>\n\n\n

Bu de\u011fi\u015fikli\u011fi m\u00fc\u015fteri sipari\u015flerini dikkate alarak koordine etmeniz ve birbirine ba\u011fl\u0131 makinelerin i\u015f s\u0131ralar\u0131n\u0131 tek tek elle d\u00fczeltmekten ka\u00e7\u0131nman\u0131z gerekti\u011finde SkyPlanner’\u0131 se\u00e7in. SkyPlanner, a\u00e7\u0131k REST API’si \u00fczerinden her t\u00fcrl\u00fc ERP veya MES ile entegre olur. B\u00f6ylece mevcut sipari\u015f ve \u00fcretim bilgilerinizden yararlanarak \u00e7izelgelemeyi iyile\u015ftirebilirsiniz.<\/p>\n\n\n

SkyPlanner demosu i\u00e7in randevu al\u0131n<\/a>; g\u00f6r\u00fc\u015fmeye \u00f6rnek olarak bir makineyi, bu makinenin kullan\u0131lamayaca\u011f\u0131 zaman aral\u0131\u011f\u0131na ili\u015fkin karar\u0131 ve makinede i\u015flem g\u00f6ren sipari\u015fleri getirin. Hangi operasyonlar\u0131n yer de\u011fi\u015ftirdi\u011fini, sonraki ad\u0131mlar\u0131n nas\u0131l etkilendi\u011fini ve hangi teslimat taahh\u00fctleri i\u00e7in karar verilmesi gerekti\u011fini g\u00f6rmeyi isteyin. \u00d6nce kendiniz ke\u015ffetmek isterseniz SkyPlanner’\u0131 demo verileriyle deneyin<\/a> ve kapasite de\u011fi\u015fikli\u011finin \u00e7izelgeyi nas\u0131l yeniden \u015fekillendirdi\u011fini g\u00f6r\u00fcn.<\/p>\n\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Ar\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131 Ana Sayfa » Kaynaklar » Ar\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131 Ar\u0131zalar aras\u0131 ortalama s\u00fcre (MTBF), onar\u0131labilir bir ekipman\u0131n ar\u0131za ba\u015f\u0131na ortalama \u00e7al\u0131\u015fma s\u00fcresidir. Bir \u00fcretim makinesi i\u00e7in bu de\u011feri hesaplamak \u00fczere toplam fiil\u00ee \u00e7al\u0131\u015fma saatini, ayn\u0131 g\u00f6zlem d\u00f6neminde kaydedilen ekipman ar\u0131zalar\u0131n\u0131n say\u0131s\u0131na b\u00f6l\u00fcn: MTBF … Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":108771,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_uag_custom_page_level_css":"","footnotes":""},"categories":[2542,314],"tags":[],"class_list":["post-108761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aps-ve-cizelgeleme","category-kaynaklar","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"yoast_head":"\nAr\u0131zalar Aras\u0131 Ortalama S\u00fcre: MTBF Hesaplama ve Kullan\u0131m\u0131<\/title>\n<meta name=\"description\" content=\"Do\u011fru \u00e7al\u0131\u015fma s\u00fcresi ve ar\u0131za say\u0131s\u0131yla makinenizin MTBF de\u011ferini hesaplay\u0131n. 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