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Evaluasi Beban Fisiologis Pada Aktivitas Material Handling di PT XYZ Dengan Metode Simulasi Medi Humaedi; Habibi Husni Mubarok; Ferdian Setia Nugraha; Ridwan Adi Pamungkas; Rangga Arisandy; Fibi Eko Putra
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 1 (2026): Februari: Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i1.7252

Abstract

This study aims to evaluate the level of physiological workload that occurs during material handling activities at PT XYZ by using a simulation-based approach supported by heart rate monitoring. Due to limited access to the active production area, the researchers developed a simulation that closely represents the actual operational conditions. Five participants performed repetitive lifting of 8–10 kg loads for ten minutes as a representation of the company’s manual handling tasks. Heart rate measurements were taken in three phases: before the activity, during the task, and during the recovery period. The results show that working heart rates ranged from 105 to 122 bpm, which falls into the heavy workload category according to Tarwaka’s physiological classification (2015). These findings indicate that manual material handling places considerable physical strain on workers and requires ergonomic interventions to prevent excessive fatigue. Recommended improvements include implementing proper lifting techniques, adjusting work–rest cycles, utilizing simple assisting tools, and ensuring a more balanced distribution of workload to reduce physiological stress.
Analysis of QRQC Meeting Effectiveness Using The PDCA Method To Increase The Quality Rate in An Indonesian Automotive Company Firman Firdaus; Wahyu Darmawan; Ferdian Setia Nugraha; Aldi Ilham Saputra; Yudi Prastyo
Jejak digital: Jurnal Ilmiah Multidisiplin Vol. 2 No. 4 (2026): JUNI-JULI
Publisher : INDO PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63822/y8bhaw34

Abstract

Fierce competition within the automotive industry in Indonesia demands perfect quality standards, however, in reality, production lines frequently encounter efficiency constraints that result in a low quality rate. This research is motivated by the initial condition of an automotive company possessing a quality rate of 50%, where the quality problem-solving process remained reactive and unstructured. The purpose of this study is to evaluate the effectiveness of Quick Response Quality Control (QRQC) meetings through the integration of the Plan-Do-Check-Act (PDCA) method to increase the quality rate toward a maximum target of 100%. The research method employed is a case study approach featuring direct observations in the Genba area (the actual workplace) and the analysis of historical production data. The data processing results indicate that through a disciplined PDCA cycle—ranging from root cause identification using a Fishbone Diagram to the standardization of operational procedures—a significant improvement in quality performance was achieved. Post-implementation calculation data demonstrates an increase in the quality rate from 50% to 94.5%, alongside a reduction in problem-solving time from 3 days to a mere 4 hours. The discussion of the results indicates that the key to success lies in the synchronization between a rapid response on the production floor and the validation of physical data (real parts). The conclusion of this study confirms that implementing the PDCA method within the QRQC framework is not only effective in instantly rectifying product defects, but is also capable of establishing a sustainable mitigation system. Although the 100% target represents an operationally challenging achievement, this system has successfully steered the company out of its quality inefficiency zone.