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OPTIMALISASI KUALITAS PRODUK AMDK MELALUI PENDEKATAN SIX SIGMA DALAM UPAYA MENURUNKAN CACAT PRODUK Raodah Raodah; Irin Ramdhani; Nurul Ilmi; Erniyani Erniyani; Dwi Handayani
JURNAL REKAYASA SISTEM INDUSTRI Vol 11 No 2 (2026): Mei 2026
Publisher : Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/jrsi.v11i2.11553

Abstract

Product quality is a crucial factor in enhancing the competitiveness of the manufacturing industry, particularly in the Bottled Drinking Water (BDW) industry. This study aims to optimize the quality of bottled drinking water products through the Six Sigma approach in an effort to reduce product defect rates. The method employed is Six Sigma with the DMAIC (Define, Measure, Analyze, Improve, and Control) framework. The data used consist of product defect records collected over a three-month period, including broken bridge defects, tilted caps, standing caps, and overpressure defects. In the measure phase, defect rates, Defects Per Million Opportunities (DPMO), and sigma levels were calculated to evaluate the performance of the production process. The analyze phase revealed that broken bridge defects were the dominant type of defect based on Pareto diagram analysis, making them the primary focus for improvement efforts. Root cause analysis using a cause-and-effect (fishbone) diagram indicated that the main contributing factors originated from machine, method, and human aspects. Furthermore, in the improve phase, several corrective actions were proposed, including machine torque adjustment, operator training, implementation of Standard Operating Procedures (SOPs), and improvement of raw material quality. The control phase was conducted by establishing operational standards and process monitoring systems to ensure the sustainability of improvements. The results demonstrate that the implementation of Six Sigma provides a systematic solution for reducing product defects and continuously improving the quality of bottled drinking water products.
PEMETAAN PREFERENSI HUMAN DYNAMICS DALAM PEMBELAJARAN DARING PADA PENDIDIKAN TEKNIK MESIN: IMPLIKASI DESAIN UNTUK KELAS SINKRON DAN ASINKRON Iswahyudi Indra Putra Indra; Samnur Samnur; Raodah Raodah; Nur Fadillah; I Putu Redy Irawan
Jurnal Pendidikan Teknik Mesin Vol. 12 No. 2 (2025): Jurnal Pendidikan Teknik Mesin
Publisher : Program Studi Pendidikan Teknik Mesin Fakultas Keguruan dan Ilmu Pendidikan Universitas Sriwiajaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jptm.v12i2.277

Abstract

Penelitian ini bertujuan untuk memetakan preferensi gaya belajar Human Dynamics mahasiswa Program Studi Pendidikan Teknik Mesin terhadap mode pembelajaran daring (Sinkron dan Asinkron) dan merumuskan implikasi desain instruksional yang optimal. Penelitian kuantitatif deskriptif ini menggunakan metode survei dengan total N=305 responden. Hasil menunjukkan dominasi preferensi yang sangat signifikan terhadap mode Sinkron (74,75%). Dalam konteks gaya belajar, dua kategori paling dominan adalah Mental-Physical (MP) (34,43%) dan Emotional-Physical (EP) (21,97%), menegaskan orientasi mahasiswa pada penerapan (Physical). Hasil pemetaan terpenting menunjukkan ketergantungan ekstrem Gaya Emotional-Mental (EM) (93,55%) pada mode Sinkron. Disimpulkan bahwa desain pembelajaran daring yang efektif harus mengadopsi model hibrida terintegrasi di mana Sinkron menjadi inti untuk interaksi high-touch, umpan balik instan, dan aktivasi motivasi, sementara Asinkron berfungsi sebagai penguat untuk praktik mandiri. Implikasi penelitian ini adalah rekomendasi strategis bagi dosen untuk menyesuaikan kegiatan kelas Sinkron dan materi Asinkron berdasarkan kebutuhan spesifik setiap gaya belajar.