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All Journal TEKMAPRO Journal of Industrial Engineering and Management Jurnal Rekayasa dan Manajemen Sistem Industri SemanTIK : Teknik Informasi Kaizen : Management Systems and Industrial Engineering Journal JAE (Jurnal Akuntansi dan Ekonomi) STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Juminten : Jurnal Manajemen Industri dan Teknologi Journal of Mechanical and Electrical Technology Jurnal Manajemen NUSANTARA: Jurnal Pengabdian Kepada Masyarakat RING Mechanical Engineering Jurnal Pendidikan Teknik Mesin
Nicko Nur Rakhmaddian, Nicko Nur
Institut Teknologi Telkom Surabaya
Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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ANALISIS BOTTLENECK PERAKITAN METAL BOX DENGAN METODE SIMULASI DISKRIT MELALUI SOFTWARE PROMODEL Rakhmaddian, Nicko Nur; Farida, Nike Nur; Putra, Agus Dwi; Septiawan, Diama Rizky; Wulandari, Winda Andrini
Steam Engineering Vol. 7 No. 1 (2025): STEAM Engineering, Vol. 7, No. 1, September 2025
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v7i1.22818

Abstract

Bottlenecks are a major cause of productivity decline in manufacturing systems. In the PDAM metal box industry at PT. MNO, the production process frequently encounters constraints that reduce output. This study employed discrete event simulation using ProModel software. The research stages included field observation, process time data collection, data distribution analysis with Stat::Fit, and model validation through Chi-Square and Mann-Whitney tests. The simulation revealed a significant bottleneck in the assembly workstation, with utilization reaching 93.64%, while production output was limited to 22 units during a 7-hour working shift. In contrast, the finishing station experienced idle time. An improvement scenario involving the addition of one workstation and one operator in the assembly and finishing processes is recommended to reduce production flow imbalances. This study confirms the effectiveness of discrete event simulation as an analytical tool for production system optimization and highlights opportunities for further development through digital twin integration and metaheuristic optimization
Pengaruh Motivasi dan Kepuasan Kerja Terhadap Prestasi Kerja dengan Metode Regresi Study Case : PT.X Nicko Nur Rakhmaddian; Amalia Nur Alifah
JUMINTEN Vol. 3 No. 1 (2022): Juminten: Jurnal Manajemen Industri dan Teknologi
Publisher : Teknik Industri - UPN "Veteran" Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/juminten.v3i1.390

Abstract

Pandemi covid-19 pada saat ini telah banyak mengakibatkan banyak sektor ekonomi mengalami penurunan penjualan. Sektor yang terdampak negatif dari Covid-19 salah satunya merupakan UMKM yang bergerak pada bidang kuliner. UMKM X adalahUMKM yang bergerak pada bidang kuliner dengan menjual produk utama berupa bubur ayam. UMKM X terdampak covid-19 sehingga mengalami penurunan penjualan dari tahun ketahun. Tujuan dari penelitian ini ialah mengetahui variable-variable Marketing Mix 4p (Price, Promotion, Product, dan Place) apa saja yang dapat mempengaruhi penjualan produk sehingga bisa menjadi dasar pengambilan keputusan untuk meningkatkan penjualan UMKM X. Metode yang digunakan terdiri dari analisis regresi linier berganda, uji simultan dan uji parsial. Output atau Hasil dari penelitian didapatkan semua variable dari Marketing Mix mempengaruhi tingkat penjualan UMKM X terutama variable promosi dan variable place. Saran untuk UMKM X adalah lebih berfokus mengembangkan strategi promosi dan memperbaiki suasana tempat makan di UMKM X, seperti melakukan digitalisasi pemesanan produk dan membuat suasana tempat makan lebih nyaman, bersih dan tertata rapi.
EPOKSIDASI MINYAK JARAK JATROPHA CURCAS L. UNTUK MENINGKATKAN STABILITAS DAN PERFORMA PELUMAS NABATI RAMAH LINGKUNGAN Agus Dwi Putra; Farida, Nike Nur; Monasari, Ratna; Rakhmaddian, Nicko Nur; Fadhilah, Intan; Prasetyo, Heru
RING ME Vol 5 No 2 (2025): RING Mechanical Engineering
Publisher : Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/rme.v5i2.24145

Abstract

The decline of petroleum reserves and environmental issues from petroleum-based lubricants have driven interest in biolubricants. Jatropha curcas L. oil is a promising candidate due to its availability and non-edible nature, but it lacks sufficient oxidative stability and thermal performance. This study aims to improve jatropha oil quality through in situ epoxidation. The research included oil extraction, initial chemical analysis (acid value, moisture, saponification value, iodine value), epoxidation with varied reactant ratios and reaction times, and post-modification tests of viscosity and flash point. Results indicated that oil yield from dehulled seeds was higher (60%) than hulled seeds (25%). Epoxidation improved viscosity from 2.39 cSt to 34.2 cSt at 40°C and raised the flash point from 109°C to 270°C. These enhancements demonstrate improved physicochemical properties, making epoxidized jatropha oil a potential eco-friendly lubricant comparable to modern synthetic lubricants.
Co-Authors Agus Dwi Putra Alifah, Amalia Nur Bunga Pasha Maulidina Desita Nur Rachmaniar Faradilla Fauziyah Risnawati Farida, Nike Nur Fauzi, Muhammad Dzulfikar Galuh Zuhria Kautzar Granita Hajar Hidayatullah, Rizkyansyah Alif Intan Fadhilah, Intan Matteo Ibastian Monasari, Ratna Muhammad Arif Nur Huda Muhammad Farhan Abdillah Sholeh Nisa Isrofi Putra, Agus Dwi Raditya Ardianwiliandri, Raditya Remba Yanuar Efranto Risnawati, Faradilla Fauziyah Riza Akhsani Setyo Prayoga Septiawan, Diama Rizky Syamsiar, Syamsiar Wulandari, Winda Andrini Yayu Melani Safitri Karoho Yudhistira, Muhammad Rafi Akbar