ANALISIS CACAT CUP SURFACE PART SPOILER UNIT HYUNDAI STARGAZER X DENGAN MENGGUNAKAN METODE DMAIC DI PT. HYUNDAI GLOVIS INDONESIA

PT. Glovis Indonesia International is a company engaged in the supply chain partner sector and is an alliance of the Hyundai Motor Group. VPC or Vehicle Processing Center is a department where PIO (Part Installation Optional) is carried out, namely the installation of several car accessory parts. In addition to the demands to produce products according to schedule, the company is also required to maintain product quality by minimizing the manufacture of reject products. In the production process, there are still quite a lot of defects produced, the largest type of defect is the Cup Spoiler Surface for the new Stargazer X car with a defect rate of 102 cases or 76% in the period from January to September while the maximum target given by management is only 5 cases or 1%. The purpose of this study is to find out the largest contributor to defects in the installation process and to find out the causes of rejects using the DMAIC method (Define, Method, Analyze, Improve, Control) in six sigma and what is the best solution to overcome the problem. This type of research is descriptive with a quantitative approach. Data obtained from observations and interviews as well as related documents and reports. The data used in this study consists of primary data and secondary data related to the production process. The results of the data processing will produce a proposal and solution for improvement and control process so that the results of the improvement can improve product quality and provide benefits for the company. The results of the study based on DPMO averaged 19065.4 and obtained an average sigma value of 3.58 and the biggest cause of defects was caused by human factors due to lack of training for that it is necessary to conduct reference training and improve work procedures by means of daily observation.