Application of Statistical Quality Control (SQC) for Product 04G22 on PT. Maruichi Indonesia

Authors

  • Alviandri Indra Dwiartono*, M. Dwiki Nugraha, M. Abdul Jabar Kara, Yenny Maya Dora

Abstract

PT. Maruichi Indonesia is a foreign manufacturing company from Japan that is engaged in the
two-wheeler automotive component industry. One of the types of products produced is type
04G22. In its production, PT Maruichi Indonesi still has defect products. Even though there are
not many defective products, this condition that occurs continuously will have a bad impact on
the company's financial condition. Therefore, the aim of this research is quality control using
Statistical Quality Control (SQC) to monitor the product production process to comply with the
standards set by the company. The method used in this study is Statistical Qualitic Control with
Check Sheet tools, histograms, Pareto diagrams, and fishbone charts. The results of the study
can be seen that the percentage of NG in the pattern defect category is 0.06% and 1.92 in the
large hole category, in the pareto diagram the disability NG large hole is 99.96%, as well as the
causal diagram. The cause of defects is caused by a work process that is not in accordance with
company standard procedures. From the results of the research conducted, the types of damage
that often arise in 04G22 products are categorized into the category of pattern defects and large
holes. The results of the Statistical Quality Control (SQC) analysis of the data obtained by using
control chart analysis shows that the production of product type 04G22 at PT. Maruichi
Indonesia is still under control.

Published

2020-10-24

Issue

Section

Articles