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Tan Siu Kwang
Industrial Engineering Department, Petra Christian University
Industrial & Manufacturing Engineering

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Upaya Penurunan Persentase Kecacatan Akibat Bad Handling Issue pada Final Inspection PT. XYZ Michele Ariani Singgih; Nova Sepadyati; Tan Siu Kwang
Jurnal Titra Vol 10, No 2 (2022): Jurnal Titra 10(2) Juli 2022
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Abstract

PT. XYZ is globally recognized as one of the leading furniture manufacturing companies. PT. XYZ was established in 1989 located at Sidoarjo, exports to America. The problems faced is defect percentage at the final inspection (buyer inspection) still exceeds the supposed target and the largest is caused by defects due to bad handling issues. Defects are caused by lack of training also no standards and guidelines for operators related to good handling. The purpose of this study is to find a solution as an attempt to reduce the percentage of weekly defects at the final inspection, especially due to bad handling issues. The method used is DMAIC and 5 Whys Analysis to find root cause. Solutions (standards and sketches) are made based on the 5S principle and visual display. Socialization is also done to increase operator’s knowledge. Control will use a check sheet. The result is that socialization has succeeded in increasing the knowledge of operators about good handling. The conclusion is that module (includes standards) and socialization can be used to achieve the company’s expected goals.
Upaya Penurunan Permasalahan Missing Part dan Missing Hardware pada PT. X Cindy Felicia; Prayonne Adi; Tan Siu Kwang
Jurnal Titra Vol 10, No 2 (2022): Jurnal Titra 10(2) Juli 2022
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PT. X is a wooden furniture manufacturing company that produces two types of products: knockdown and set-up, with a make-to-order system. Customer complaints in 2021 show that knockdown products are prone to experiencing the three biggest defects: broken/damage (34.2%), missing parts (25.5%), and missing hardware (21.0%). This research will focus on two types of defects: missing parts and missing hardware in knockdown products. This research aims to discover root cause and solution to overcome the defective product that passed into the customer's hands. This study utilizes two quality improvement tools: pareto chart and 5 whys analysis, which found four root causes of missing parts and five root causes of missing hardware. Solutions to overcome missing parts problems are Working List Packing, and Standard Operating Procedure (SOP) for incomplete packing. Meanwhile, solutions to overcome the missing hardware problem are Working List Packing Hardware, installation of ventilators, and procurement of hardware charging systems.
Co-Authors Cindy Felicia Michele Ariani Singgih Nova Sepadyati Prayonne Adi