Recently, automobile manufacturing companies, which are major customers of them, are requiring IATF 16949 (ISO/TS 16949) certification as a mandatory requirement to secure product quality. In particular, IATF 16949 : 2016, revised in October 2016, was reinforced product traceability requirements for production information management by lot in the production process. Therefore, small and medium-sized precision parts processing companies in the automobile industry are very difficult to survive due to quality and price competition for customers satisfaction.
MES (Manufacturing Execution System) is required to solve this problem. However, small and medium sized precision parts processing enterprises are reluctant to introduce the MES which is not suitable for the manufacturing environment of them such as high cost and low utilization. Even if the system is introduced, it is difficult to operate and maintain the system because the lack of computer manpower.
In this paper, we propose a method for building a lot tracking system for small and medium precision parts processing companies by reviewing relevant literature and analyzing cases. In addition, by managing the production history for each lot of the final product in the system, we will grasp the effect of reducing the quality failure cost obtained by minimizing the range of defect selection.

1. 서 론
2. 이론적 배경
    2.1 실패비용
    2.2 IATF 16949 : 2016
    2.3 로트추적시스템
    2.4 기존연구 고찰
3. S사 로트추적시스템 구축 및 기대효과
    3.1 S사의 현황 및 문제점
    3.2 S사의 로트추적시스템 구축
    3.3 기대효과 분석
4. 결 론
References

• Young-Soo Ha(Dept. of Smart Production and Management Engineering, Hanbat National University) | 하영수
• Soo-Yong Park(Dept. of Smart Production and Management Engineering, Hanbat National University) | 박수용
• Dong-Hyung Lee(Dept. of Smart Production and Management Engineering, Hanbat National University) | 이동형 Corresponding Author