Implementation Six Sigma And Data Mining To Improve Die Casting Production Process At PT. AB  

Oleh:

Fitriana, Rina ; Saragih, Johnson ; Sarasaty, Sitta

Jenis: Article from Proceeding
Dalam koleksi: Proceeding The 7th International Seminar on Industrial Engineering and Management (7th ISIEM) di Bali, March 11th – 13th, 2014, page QM 64-71.
Topik: Six Sigma; FMEA; Decision Tree
Fulltext: Paper 58 Rina Fitriana USAKTI.pdf (906.9KB)

Isi artikel

PT. AB is well known as a manufacturing industry which operates in motorcycle industry. The quality measurement has become the most important substance in this industry. As a result, the purposes of this research are improving the quality control and reducing the defect percentages in die casting production. This research using Six Sigma methods, which have 5 Steps. There are: Measure, Analyze, Improvement, and Control (DMAIC). In the define phase, obtained that the production per month which has the largest percentage of defects in PT. AB is a cylinder component KYZ which have 5.06%, while its specified limits only 3.36%. Therefore, further treatment is needed. The second phase is measure, which does the calculation control map p and u. The results of the measurements obtained for 15,356 DPMO value with sigma level of 3.66. In the Analyse phase, the analysis used to use cause and effect diagrams, Failure Mode and Effect Analysis (FMEA), and data mining for decision tree. The most dominant issue is form of disability flow line. For the improvement stage, the results obtained for the response of each of these failures by conducting operator training, Standard Operating Procedure (SOP) and the standardization of QC PASS by using data mining method, which obtained if then rule that can be received in the Quality Control (QC). This implementation should be obeyed by casting machine operators. In the control phase, the calculation of control maps p and u done to compare the results after implementation. Sigma level after doing the implementation. The results of the measurements obtained DPMO values of 13 221 and sigma level of 3.71. The increase in sigma level is 0.05

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