Journal of Korea Society of Industrial Information Systems (한국산업정보학회논문지)

Korea Society of Industrial Information Systems (한국산업정보학회)
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Development of inspection system for classification of magnetic switch case products

마그네틱 스위치 케이스 제품 분류를 위한 검사 시스템 개발

  • Received : 2021.04.13
  • Accepted : 2021.04.27
  • Published : 2021.04.30
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Abstract

In this study, a JIG and a system were designed to solve the classification error problem of two types of magnetic switch case products for starter motors of the same size and shape. The structure of the jig is designed for accurate inspection of the product. The difference between the two products is divided into products with protrusions and products without. For classification of the two products, an inspection system was designed using a dial gauge and an inductive proximity sensor. An optimal method was proposed through performance evaluation by two sensors. As a result, both methods greatly reduced the defect rate of classification errors occurring in the process.

본 연구에서는 크기와 모양이 동일한 두 종류의 스타터 모터용 마그네틱 스위치 케이스 제품을 생산할 때 발생하는 분류 오류 문제를 해결하기 위한 지그(JIG) 및 시스템을 설계하였다. 지그의 구조는 제품의 정확한 검사를 위해 고안되었으며 작은 돌출부의 존재 차이를 가지는 두 부품의 분류를 위하여 다이얼게이지와 유도형 근접센서를 사용하여 검사 시스템을 설계하였다. 설계된 시스템의 성능평가를 통해 최적의 방안을 제안하였으며 이를 통해 공정상에서 발생하는 분류 불량률을 1%이하로 감소시켰다.

Keywords

Acknowledgement

본 연구는 자동차 부품을 생산하는 D사의 현장에 직접 설치하여 진행되었음. 이를 위해 협조해 준 D사의 품질 관리 담당자와 실험을 보조해 준 김진교학생에게 감사를 표함.

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