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All Journal Jurnal Optimasi Sistem Industri Jurnas Nasional Teknologi dan Sistem Informasi Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Jurnal Hilirisasi IPTEKS (JHI) MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks AEEJ : Journal of Automotive Engineering and Vocational Education Andalasian International Journal of Applied Science, Engineering, and Technology AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Teknologi dan Manajemen Industri Terapan Jurnal Industri Samudra
reinny patrisina
Departemen Teknik Industri, Fakultas Teknik, Universitas Andalas
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation Veterinary Other

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Occupational Health and Safety Analysis Using the HIRARC Method at Mitsubishi DIPO Bukittinggi Rival Handika; Milana Milana; Nuzul Hidayat; M. Yasep Setiawan; Reinny Patrisina
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 6 No 1 (2025): Vol 6 No 1 (2025) : AEEJ : Journal of Automotive Engineering and Vocational Educa
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v6i1.271

Abstract

Occupational safety is a critical concern in automotive workshop environments due to the high-risk nature of tasks such as engine repair, welding, and electrical diagnostics. This study investigates automotive workshop risks at the Mitsubishi DIPO Workshop in Bukittinggi by identifying hazards, assessing risk levels, and formulating workplace accident prevention strategies. The HIRARC (Hazard Identification, Risk Assessment, and Risk Control) method was applied to evaluate 28 potential hazards, two of which were classified as extreme risks. Further analysis of these risks was conducted using the Fishbone Diagram to identify root causes across six contributing factors: human, machine, material, method, environment, and management. Based on these findings, targeted risk control measures were developed following the hierarchy of control, including engineering interventions, administrative policies, and personal protective equipment. This research demonstrates how integrated methods such as HIRARC and Fishbone Diagram can support comprehensive occupational safety planning and risk mitigation in automotive workshops.
Engineering Design and Five Whys–Based Analysis for Jig Redesign in a New Auto Press Pin Machine Armijal Armijal; Muhammad Hamdan Fadhlani; Alfadhlani Alfadhlani; Prima Fithri; Reinny Patrisina
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 6 No. 2 (2026): July 2026
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v6i2.322

Abstract

Abstract— PT ABC is a major automotive manufacturer in Indonesia producing NR-series and hybrid engines. To address limitations of the manual press pin machine, an auto press pin machine was developed. However, operational issues emerged during the load–unload process due to instability of the jig path, leading to workpiece misalignment and reduced process reliability. This study aims to identify the root causes of the jig path instability and propose an engineering-based improvement. Root cause analysis was conducted using the five whys method based on field observations and discussions with operators and technicians. The analysis indicated that geometric incompatibility between the jig track and the cylinder block was the primary cause of instability. Based on these findings, the jig path was redesigned using computer-aided design (CAD) with SolidWorks, followed by motion study simulations to evaluate stability and potential interference. The redesigned jig path demonstrated improved positional stability and smoother workpiece movement during simulation. Although quantitative performance indicators were not evaluated, the proposed design provides a technical foundation for future performance-based assessments
PENINGKATAN DAYA SAING UKM FURNITURE SUMATERA BARAT MELALUI PERANCANGAN APLIKASI BERBANTUAN KOMPUTER Lusi Susanti; Prima Fithri; Difana Meilani; Hilma Raimona Zadry; Dina Rahmayanti; Reinny Patrisina
Jurnal Hilirisasi IPTEKS Vol. 3 No. 4 (2020)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v3i4.475

Abstract

Most of the furniture industries / SMEs in West Sumatra still use the traditional cost system in calculating the cost of goods manufactured. In addition, furniture SMEs in West Sumatra still use technology to make it easier to process data. In addition, in other studies it was found that in Indonesia the use of information technology by SMEs is still low compared to large companies. Even though the use of information technology can increase the competitiveness of SMEs. Many things have caused the low use of information technology by SMEs. One of them is the lack of knowledge of the potential of information technology to advance business. Therefore, the importance of using information technology to increase the competitiveness of SMEs, and the need to use the ABC method in calculating the cost of production, the Department of Industrial Engineering, Andalas University provides assistance, training, and coaching to furniture SMEs in West Sumatra. With this activity it will make it easier for SMEs to manage direct raw material costs, direct labor costs, overhead costs and calculate activity-based cost of production as well as make it easier for SMEs to produce activity-based cost of production reports using computer-assisted software, so that SME furniture competitiveness is created. higher level to be able to win the competition and create a better pattern of university partnerships.
Desain dan Implementasi Mesin Penggiling Singkong untuk Peningkatan Produktivitas UMKM Kerupuk Bu Ita di Kabupaten Lima Puluh Kota: Design and Implementation of a Cassava Grinding Machine to Improve the Productivity of UMKM Kerupuk Bu Ita in Lima Puluh Kota Regency, West Sumatra Taufik Taufik; Elita Amrina; Alizar Hasan; Nilda Tri Putri; Hilma Raimona Zadry; Ahmad Syafruddin Indrapriyatna; Eri Wirdianto; Insannul Kamil; Prima Fithri; Wisnel Wisnel; Dina Rahmayanti; Desto Jumeno; Reinny Patrisina; Alexie Herryandie Bronto Adi; Ashila Nurul Huda; Rahmad Inca Liperda; Firdruzal Fahlevi; Hary Fandel; Ghufran Maulana
Jurnal Hilirisasi IPTEKS Vol. 9 No. 1 (2026)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v9i1.923

Abstract

Small and medium food enterprises in Indonesia continue to face challenges in adopting appropriate processing technologies, particularly in cassava-based production, which limits efficiency, productivity, and product quality consistency. This study aims to design and implement a food-grade cassava grinding machine as a technological intervention to increase production capacity at the Kerupuk Bu Ita enterprise in Padang. The research applied a Research and Development (R&D) approach using the Define–Design–Develop–Evaluate–Disseminate model with participatory involvement of the target users. The machine was tested through performance measurement, time efficiency analysis, and ergonomic assessment. The results indicate a substantial improvement compared to the manual process, where grinding capacity increased from 10–13 kg/hour to 70–80 kg/hour, representing a productivity enhancement of 450–580%, while processing duration was reduced from approximately 3 hours to about 1 hour, resulting in a 66% reduction in processing time. In addition, user evaluation shows that the machine is easier to operate and ergonomically more suitable for continuous use. These findings demonstrate that the developed cassava grinding machine significantly improves production performance and offers a practical solution for strengthening the competitiveness of SMEs. The study contributes scientifically by providing a validated prototype of appropriate technology tailored to the operational and ergonomic needs of small-scale food production units.
Implementasi Metode 5S dalam Meningkatkan Kinerja Quality Control pada PT. XYZ Prima Fithri; Azahra Prety Conita; Arya Yudha Maputra; Reinny Patrisina; Fandy Triawan
Jurnal Industri Samudra Vol 7 No 1 (2026): Jurnal Industri Samudra
Publisher : Program Studi Teknik Industri, Fakultas Teknik. Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55377/jis.v7i1.14395

Abstract

Implementasi metode 5S di ruang penyimpanan alat ukur dan inspeksi pada PT XYZ bertujuan untuk meningkatkan efisiensi, kerapihan, dan kebersihan di lingkungan kerja. Sebagai perusahaan manufaktur yang memproduksi Welded Pressure Vessels dan Sheet Metal, perusahaan ini menekankan kualitas melalui Engineering Capability, Consulting, dan Workmanship. Permasalahan seperti rak yang tidak berlabel, area penyimpanan yang berdebu, serta penataan alat yang belum optimal diidentifikasi melalui observasi, wawancara, dan studi literatur. Analisis berdasarkan lima tahapan 5S, yaitu Seiri (pemilahan dan inventarisasi), Seiton (penataan dan pelabelan), Seiso (pembersihan), Seiketsu (inspeksi rutin), dan Shitsuke (pelatihan karyawan), berhasil mengatasi permasalahan tersebut serta meningkatkan efisiensi, kerapihan, dan kesadaran karyawan dalam mengelola alat ukur.
Integrating Good Manufacturing Practices, Lean Manufacturing, and Information Technology for Operational Excellence in Indonesian Food SMEs Ahmad Syafruddin Indrapriyatna; Reinny Patrisina; Asi Siva Dea; Nahda Sulasi; Yonithri Sherlyna
Jurnal Nasional Teknologi dan Sistem Informasi Vol 11 No 3 (2025): Desember 2025
Publisher : Departemen Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v11i3.2025.235-243

Abstract

Small and medium-scale food industries, despite their crucial role in regional economic development, face significant challenges related to hygiene, inefficiency, and process waste. This study, based on three case studies from IKM Kerupuk Janek Arsyila, IKM Kerupuk Buk Ita, and UMKM Kue Bawang Medan “Rizka” in West Sumatra, identifies key issues such as inefficient layouts, weather dependency, lack of standardized procedures, and low adherence to cleanliness standards. The study integrates Good Manufacturing Practices (GMP) for hygiene evaluation and Lean Manufacturing tools—such as Waste Assessment Model (WAM), Value Stream Mapping (VSM), VALSAT, and fishbone diagrams—to identify and reduce waste. Additionally, Information Technology (IT) is introduced as an enabler to strengthen monitoring, data collection, and documentation. Simple digital tools such as production dashboards, mobile-based hygiene checklists, and IoT-assisted sensors can facilitate real-time supervision and improve GMP compliance. Findings reveal that dominant wastes include transportation, motion, defects, and waiting, with initial Process Cycle Efficiency (PCE) ranging from 41% to 65%. After improvements involving layout redesign, drying machines, digital recordkeeping, and the 5S principles, PCE increased to 81%–95%. This study demonstrates that the integration of Lean–GMP and digital tools can significantly enhance production efficiency, hygiene standards, and sustainability in Indonesian food SMEs.
Co-Authors Afri Adnan Afrinaldi, Feri Ahmad Syafruddin Alexie Herryandie Bronto Adi Alexie Herryandie Bronto Adi Alfadhlani Alizar Hasan Alizar Hasan Alizar Hasan Amrina, Elita Armijal Armijal Armijal Armijal Arya Yudha Maputra Asi Siva Dea Asi Siva Dea Asmuliardi Muluk Azahra Prety Conita Desto Jumeno Desto Jumeno Dhianada Irsya Dicky Fatrias Difana Meilani Dina Rahmayanti Dina Rahmayanti Elita Amrina Eri Wirdianto Fandy Triawan Felia Devina Amadea Firdruzal Fahlevi Ghufran Maulana Hary Fandel Henmaidi Henmaidi Hilma Raimona Zadry Huda, Ashila Nurul Ikhwan Arief Indawati Indrapriyatna, Ahmad Syafruddin Jonrinaldi Kamil, Insannul Lusi Susanti Luthfi Fakhri Ramadhan M. Yasep Setiawan Milana Milana Muhammad Hamdan Fadhlani Nahda Sulasi Nahda Sulasi Nilda Tri Putri Nindy Hidayah Nuzul Hidayat, Nuzul Prima Fithri Rahmad Inca Liperda Rika Ampuh Hadiguna Rival Handika Septian Taufik Taufik Taufik Tivany Edwin Wisnel Wisnel Yonithri Sherlyn Yonithri Sherlyna Yumi Meuthia