ANALISIS KETIDAKSESUAIAN DATA SPARE PART DENGAN MENGGUNAKAN METODE SIX SIGMA KONSEP DMAIC MODEL DI PT INDOCEMENT TUNGGAL PRAKARSA TBK (SUPPLY DEPARTMENT)

Abstract

PT Indocement Tunggal Tbk (Supply Department) is a manufacturing company that produces cement has been widely recognized by national and international customers. It is the role of each department in a company that can not be separated, one of which is the existence of Supply Department are to ensure availability of all the parts for the operational needs of the plant. As one of the problems that occurred in the Supply Department is a discrepancy between the data Stock hospitalization (Actual) or physical examination data Stock O n Hand (System). This discrepancy causes the accumulation Spare parts warehouse which resulted in high maintenance costs and storage and can occur losses will increase if the company stopped production machine for too long. To solve these problems, use the Six Sigma method with the concept of DMAIC (Define, Measure, Analyze, Improve, Control) model. Stage define, determine the issues to be fixed. Phase measure, measurement control limits using a control chart p. Phase analyze, look for the root causes of the problems occurred. Improve phase, perform repairs using M Five-Checklist and 5 (S) Kaizen Step Plan. While on stage control, to control after continual improvements made ​​by the company. Then from the improv improvement against all three categories: Man, Method, and Environment as Held briefing before doing the work, ensure the cleanliness of the working environment, warehouse and spare part order in the state was always clean, in order to expedite the process of making goods and Putting work equipment according to function