Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects

PT. Surya Baja Pipa Indonesia (SBPI) is a manufacturing company that produces hollow and pipe from rolled iron plate. The production data showed that during January up to October 2021 there were still defects products with the percentage greater than 5%, the specified tolerance limit for defects. In...

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Main Author: Cicilia Sriliasta Bangun
Format: Article
Language:Indonesian
Published: Universitas Islam Negeri Sultan Syarif Kasim 2022-06-01
Series:Jurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
Online Access:https://ejournal.uin-suska.ac.id/index.php/jti/article/view/16681
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author Cicilia Sriliasta Bangun
author_facet Cicilia Sriliasta Bangun
author_sort Cicilia Sriliasta Bangun
collection DOAJ
description PT. Surya Baja Pipa Indonesia (SBPI) is a manufacturing company that produces hollow and pipe from rolled iron plate. The production data showed that during January up to October 2021 there were still defects products with the percentage greater than 5%, the specified tolerance limit for defects. In order to maintain quality and increase production efficiency, PT. SBPI strives to reduce the defect rate. This study aims to reduce the level of defect by using Statistical Process Control methods and the Failure Mode and Effects Analysis (FMEA) method to analyze the level of the worst defects by finding the highest damage value Risk Priority Number (RPN). Histogram showed that the biggest defect occurs in welding (7,51%). Analysis using Fishbone diagram found that the welding defect mostly occur due to human factor/workers, machines, methods, materials, and the environment. The result of FMEA method analysis showed machine setting had the highest RPN and became the first priority to solve. It happened because there is no SOP yet that contains definite engine parameters, such as engine speed and voltage. Based on these results, this study suggests companies to prepare SOPs to be a guide for operators at work.
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spelling doaj-art-d3856435845e45609d008a7d3bb64c3a2025-08-20T01:47:58ZindUniversitas Islam Negeri Sultan Syarif KasimJurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri2460-898X2714-62352022-06-0181121610.24014/jti.v8i1.166816922Application of SPC and FMEA Methods to Reduce the Level of Hollow Product DefectsCicilia Sriliasta Bangun0Universitas Esa UnggulPT. Surya Baja Pipa Indonesia (SBPI) is a manufacturing company that produces hollow and pipe from rolled iron plate. The production data showed that during January up to October 2021 there were still defects products with the percentage greater than 5%, the specified tolerance limit for defects. In order to maintain quality and increase production efficiency, PT. SBPI strives to reduce the defect rate. This study aims to reduce the level of defect by using Statistical Process Control methods and the Failure Mode and Effects Analysis (FMEA) method to analyze the level of the worst defects by finding the highest damage value Risk Priority Number (RPN). Histogram showed that the biggest defect occurs in welding (7,51%). Analysis using Fishbone diagram found that the welding defect mostly occur due to human factor/workers, machines, methods, materials, and the environment. The result of FMEA method analysis showed machine setting had the highest RPN and became the first priority to solve. It happened because there is no SOP yet that contains definite engine parameters, such as engine speed and voltage. Based on these results, this study suggests companies to prepare SOPs to be a guide for operators at work.https://ejournal.uin-suska.ac.id/index.php/jti/article/view/16681
spellingShingle Cicilia Sriliasta Bangun
Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
Jurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
title Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
title_full Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
title_fullStr Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
title_full_unstemmed Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
title_short Application of SPC and FMEA Methods to Reduce the Level of Hollow Product Defects
title_sort application of spc and fmea methods to reduce the level of hollow product defects
url https://ejournal.uin-suska.ac.id/index.php/jti/article/view/16681
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