PENINGKATAN KUALITAS PRODUK SHORTENING MENGGUNAKAN PENDEKATAN DMAIC SIX SIGMA DI PT BEST GRESIK

PT. BEST is a manufacturing industry that engaged in processing palm cooking oil, one of the processed products from production process shortening which margarine for household products. In found very high level product defects, several factors become obstacles cause defects. The defects resulted low quality and decrease amount production. Product improvement using DMAIC Six Sigma concept approach able to identify causing improve quality. purpose this study provide suggestions improvements Shortening results analysis show DPMO value 22,090.93 with sigma 3.5124 largest defect rate being cardboard 40.83%. Proposed training operators machine operating skills, periodic inspection raw materials maintain materials, repairs avoid