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All Journal Jurnal Sistem dan Manajemen Industri Journal of Applied Engineering and Technological Science (JAETS)
Hendi Herlambang
Universitas Mercu Buana
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Transportation

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Problem-solving step analysis for increasing tire static balance levels: a case study Tubagus Hendri Febriana; Hendi Herlambang; Hernadewita Hernadewita; Hasbullah Hasbullah; Abdul Halim
Jurnal Sistem dan Manajemen Industri Vol. 5 No. 1 (2021)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (957.852 KB) | DOI: 10.30656/jsmi.v5i1.3292

Abstract

One of the company's efforts in implementing the commitment to customer satisfaction is carried out through continuous improvement activities. All indicators are evaluated to determine the level of quality stability against process variations that will impact non-compliance with predetermined product specifications. One of the quality problems found in the tire manufacture industry is the out-percentage of tire uniformity, which suddenly increases, one of which is the value of static balance. This study analyses the process variation factors that occur to take corrective and preventive actions through a series of Root Cause Analysis (RCA), Fault Tree Analysis (FTA), and Failure Mode and Effect Analysis (FMEA). Refers to the analysis result, it was found that there was a problem with the rubber film gauge variation at the manufacturing step of the steel breaker, one of the material components in the tire construction. Two main factors cause rubber film thickness variation: rubber sticky with roll calendar, Radial Run Out (RRO) Roll Calendar out standard, and viscosity compound variation with 12 root problems found. The results of the improvements that have been made can effectively improve rubber film thickness variation, increase the Cpk level of steel breaker material from 0.82 to 1.91 and reduce the out percentage ratio of static balance by 54.65%.
Lean-Driven Sustainable Engineering Enhanced by TRIZ: A Conceptual Approach to Waste Elimination in Manufacturing System Laboratory Uly Amrina; Hendi Herlambang; Galang Persada Nurani Hakim; Irkham Syifaul Qulub; Lutfi Saputro
Journal of Applied Engineering and Technological Science (JAETS) Vol. 7 No. 2 (2026): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/z8fge021

Abstract

Manufacturing system laboratories are essential in engineering education, however, existing laboratory-scale equipment often exhibits long cycle times, high energy consumption, poor ergonomics, and limited integration of sustainability principles. Prior studies generally address lean manufacturing, TRIZ-based innovation, or sustainable engineering separately, leaving a gap in a unified framework tailored for laboratory environments. This study aims to develop an integrated lean-driven sustainable engineering framework enhanced by TRIZ to systematically eliminate waste in a manufacturing system laboratory. A conceptual–experimental approach was adopted by combining lean waste analysis, TRIZ-based technical contradiction resolution, and sustainable engineering principles to redesign a modular Heating–Vacuum–Trimming (HVT) system. The proposed system was evaluated through prototyping and laboratory testing. The results demonstrate a reduction in process cycle time of up to 33% and a decrease in electrical energy consumption of approximately 16% compared to conventional equipment. From a practical perspective, the framework enables the development of modular, ergonomic, and energy-efficient laboratory tools that improve operational efficiency. From a theoretical perspective, this study extends the integrated application of lean manufacturing, TRIZ, and sustainable engineering into a cohesive framework suitable for laboratory-scale manufacturing systems. The proposed approach offers transferability.
Co-Authors Abdul Halim Galang Persada Nurani Hakim Hasbullah Hasbullah Hernadewita Irkham Syifaul Qulub Lutfi Saputro Tubagus Hendri Febriana Uly Amrina