Analisis Pengurangan Jumlah Produk Cacat pada Industri Kertas dengan Pendekatan Lean Six Sigma

Abstract

The high number of the defective product that occur in each company can affect quality. PT. X is a company engaged in the pulp and paper product. Lean approach does not allow for waste, in this case, defective product. Product defects that often arise in this industry are paper holes, dirty paper, folded, size variations and foreign contamination. The purpose of this study is to identify the causal factors in the production line of a product defect based on six sigma stages. The solution that can reduce the number of defects. The stages of six sigma are define, measure, analyze, improvement and control. The results of calculation of the value sigma of paper holes for two months was 4.66 and 4.58. Dirty paper has a sigma value of 4.99 and 5.06. The sigma level indicates that the performance of the production is above average Indonesian company. The costumer complaint coming into the company for folded paper, size variations and foreign contamination has decreased from 2010 to 2011. But it has not reached the six sigma target. Therefore, the company needs to be improved using the Lean tool, that is Kaizen Blitz.