Veri Madenciliğinde Birliktelik Kuralları ile Bir CNC Tezgahı İçin Arıza Analizi

Öz

İşletmeler için imalatta kullanılan makinelerin uygun bakım politikalarını uygulayarak çalışır durumda tutulmaları çok önemlidir. Geçmişte ortaya çıkan arızaların analiz edilmesi ile gelecek dönemlerde ortaya çıkması muhtemel arızaların öngörülmesi için pek çok çalışma yapılmaktadır. Son zamanlarda bakım alanında veri madenciliği yöntemlerinden sıkça yararlanılmaktadır. Bu çalışmada; otomotiv sektöründe yer alan bir işletmenin önemli bir süreci olan bakım-onarım faaliyetleri ele alınmıştır. İşletmenin arıza oranı yüksek olan bir CNC tezgâhında meydana gelen, üretimin çok ciddi ölçüde durmasına neden olan arıza ve etki faktörlerinin ilişkilerini belirlemek amaçlanmıştır. Bu amaç doğrultusunda CNC tezgâhının bir yıllık arıza verisi üzerinde veri madenciliği yöntemlerinden birliktelik kuralları uygulanmıştır. Uygulama, SPSS Modeler 18.2 programı ile Apriori algoritması kullanılarak gerçekleştirilmiştir. Elde edilen kurallar analiz edilip yorumlanarak işletmeye ekonomik açıdan katkı sağlayacak bakım stratejileri ortaya konularak sonuçlar yorumlanmıştır.

Anahtar Kelimeler

• veri madenciliği
• birliktelik kuralları
• ekipman bakımı

Fault Analysis of a CNC Machine with Association Rules in Data Mining

Öz

It is very important for businesses to keep the machines used in manufacturing in working condition by applying appropriate maintenance policies. Many studies are carried out to analyze the malfunctions that have occurred in the past and to predict the malfunctions that may occur in the future periods. Recently, data mining methods have been used frequently in the field of maintenance. In this study; maintenance and repair works, which are an important activity of an enterprise operating in the automotive sector, are discussed. It is aimed to determine the relationships between the failure and impact factors that occur in a CNC machine with a high failure rate of the enterprise and cause the production to stop very seriously. For this purpose, association rules, one of the data mining methods, were applied on the one-year failure data of the CNC machine. The application was carried out using the SPSS Modeler 18.2 program and the Apriori algorithm. By analyzing and interpreting the obtained rules, maintenance strategies that will contribute to the business economically have been put forward and the results have been interpreted.

Anahtar Kelimeler

• Data Mining
• Association Rules
• Maintenance

Kaynakça

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