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Pramono, Agus Edy
Politeknik Negeri Jakarta
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Ergonomic Chairless Chair Operator Assembly Manufaktur Otomotif untuk Mengurangi Gejala Musculoskeletal Disorders Nidhar, Ainun; Pramono, Agus Edy
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 10 No. 2 (2024): Desember
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v10i2.8852

Abstract

Musculoskeletal Disorders (MSDs) menjadi salah satu penyebab Penyakit  Akibat Kerja (PAK) sebesar 16% dengan industri otomotif menjadi sektor penyumbang MSDs s terbesar ketiga. Dengan berkembangnya industri otomotif di Indonesia sebesar 10,3% , menyebabkan peningkatan kapasitas produksi sehingga waktu produksi unit akan menjadi lebih cepat. Siklus tersebut dapat mempengaruhi peningkatan Work-Related MSDs pada pekerja otomotif terkait masalah aktivitas material handling utamanya perakitan yang menjadi kunci pada proses otomotif. Penelitian mengenai MSDs di sektor industri manufaktur otomotif penting untuk dilakukan, mengingat banyaknya faktor risiko terjadinya MSDs pada operator di sektor tersebut. Objek penelitian yang dianalisis adalah departemen perakitan interior pada lini produksi. Analisa postur kerja terhadap risiko MSDs dilakukan menggunakan metode Rapid Entire Body Assessment (REBA) dan penilaian Nordic Body Map (NBM) untuk mengetahui gejala-gejala MSDs yang dirasakan operator. Skor REBA sebesar 11 menunjukkan risiko tinggi terjadinya cedera muskuloskeletal yang membutuhkan tindakan segera, sedangkan hasil Nordic Body Map menunjukkan adanya keluhan pada bagian punggung akibat posisi membungkuk dan tangan kanan akibat proses pengangkatan. Sehingga rekomendasi yang diberikan ialah rancangan alat bantu ergonomis berupa exoskeleton kursi tanpa kursi pada operator proses perakitan interior untuk mengurangi tekanan pada punggung. Rancangan yang diusulkan perlu dibuat prototipe dan diteliti lebih lanjut nilai efektivitas penurunan risiko MSDs, serta dari segi ketahanan dan kekuatan materialnya.
Optimalisasi Tata Letak Fasilitas Produksi dengan Pendekatan Ergonomi dan Efisiensi Dewi, Anissa Puspa; Agus Edy Pramono
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 10 No. 2 (2024): Desember
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v10i2.8855

Abstract

Penelitian ini bertujuan untuk mengevaluasi tata letak fasilitas workshop veneer kayu guna meningkatkan efisiensi dan mengurangi risiko kesehatan operator. Laminated Veneer Lumber (LVL) dipilih sebagai fokus karena keunggulan kekuatan dan ketahanannya. Namun, proses produksi LVL menghasilkan limbah berbahaya, serta jarak antar fasilitas yang terlalu jauh mengakibatkan pemborosan energi operator dan mempengaruhi kesehatan pekerja. Salah satu urgensi perbaikan tata letak adalah kemampuannya mereduksi jarak perpindahan untuk large component product serta desain layout yang memisahkan proses pengecatan dari ruang perakitan, guna menghindari paparan zat kimia berbahaya pada operator lain. Evaluasi ergonomi dilakukan menggunakan kuesioner Nordic Body Map (NBM) untuk menilai risiko musculoskeletal disorders (MSD's) pada operator. Observasi dan wawancara lapangan mengidentifikasi masalah tata letak, yang dianalisis menggunakan Activity Relationship Chart (ARC) dan Standard Weighted Sum Method (SWS). Hasil pengukuran menunjukkan jarak perpindahan awal antar fasilitas sebesar 94,5 meter. Dengan implementasi layout alternatif, jarak tersebut berkurang menjadi 51,8 meter untuk Alternatif 1 dan 52,8 meter untuk Alternatif 2, yang menghasilkan pengurangan jarak tempuh hingga 45,2%. Layout Alternatif 2, dengan skor tertinggi 242,7 dalam SWS, terbukti lebih unggul dalam mereduksi jarak perpindahan komponen besar dan mengurangi paparan zat kimia melalui pemisahan ruang pengecatan. Perbaikan tata letak ini diharapkan dapat meningkatkan efisiensi produksi, keselamatan, dan kenyamanan kerja operator.
Effect of Rheological on the Physical and Electrical Properties of Extruded Micro Carbon -LLDPE Composites Pramono, Agus Edy; Zuhri , Aminudin; Setyadi , Iman; Indayaningsih , Nanik
Recent in Engineering Science and Technology Vol. 2 No. 04 (2024): RiESTech Volume 02 No. 04 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i04.77

Abstract

This study focuses on formulating and optimizing a conductive polymer composite (CPC) material tailored for electromechanical applications. Linear Low-Density Polyethylene (LLDPE) polymer and micro carbon particles derived from rice husk were compounded using a hot compaction process and melt blended through a single-screw extrusion machine. A mix of 50% loading of microcarbon particles was used in this research. It was determined that the experiment was successfully conducted, resulting in a stabilized density of approximately 1 g/cm³. The research demonstrates how the prototype Extruder Head effectively stabilizes the density of composites. Electrical conductivity demonstrated a notable increase in conductivity toward higher density. These findings underscore the successful development of a CPC material with improved electrical conductivity, making it a highly suitable tool for high carbon-loading composite material.
ANALISIS RISIKO MUSCULOSKELETAL DISORDERS (MSDs) TERHADAP PROSES MATERIAL HANDLING PADA OPERATOR PENGOLAH LIMBAH MENGGUNAKAN METODE RAPID ENTIRE BODY ASSESMENT Genia Auberta; Agus Edy Pramono
Recent in Engineering Science and Technology Vol. 2 No. 04 (2024): RiESTech Volume 02 No. 04 Years 2024
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v2i04.81

Abstract

: Businesses should never stop trying to include every employee in their operations and never skimp on safety precautions. One of the safety methods in the worker-centered approach implementation is the significance of ergonomics. Typically, material handling phases in production processes include physical labor that demands a lot of operator effort. Handling objects by hand raises the possibility of workplace mishaps, which can lead to musculoskeletal injuries. This study focuses on the different labor postures used for gathering, transferring, and positioning waste as well as the manual handling of waste items up to the shredding area. This study evaluates work postures that may result in symptoms of musculoskeletal diseases using the Rapid Entire Body Assessment (REBA) technique. There are three steps in this process. Prior to lowering the waste bucket to the designated place, gather the trash first, then hoist and carry it till it reaches the mechanical area. Three grades 9, 2, and 6 were obtained from the analysis utilizing the REBA (Rapid Entire Body Assessment) approach. Based on these findings, the first stage has to be improved right away. Thus, in order to meet the improvement objective, we created a telescopic reach that enables employees to change the height a device that aids in bettering workers' posture while picking up trash.
Bahasa Inggris Pramono, Agus Edy; Setyadi, Iman; Zuhri, Aminudin; Dewi, Anissa Puspa; Indayaningsih, Nanik
Recent in Engineering Science and Technology Vol. 3 No. 02 (2025): RiESTech Volume 3 No. 02 Years 2025
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v3i2.95

Abstract

This paper compares the electrical conductivity of LLDPE-carbon composite materials, LLDPE-carbon-aluminum composites, and LLDPE-carbon-copper composites. Doping with aluminum (Al) and copper (Cu) metal powders influences electrical conductivity in carbon-based polymer composite materials. Adding metal powders as secondary fillers to a mixture of conductive carbon powders and LLDPE can decrease electrical conductivity. This is due to the agglomeration or clustering of metal powders within the polymer matrix, which disrupts conductive pathways and diminishes the efficiency of electrical charge transfer. The impact of filler type and quantity on electrical conductivity in composite materials was examined, and the findings revealed that factors such as the filler's amount, shape, and dispersal significantly affect the composite's electrical resistance properties. Increasing the amount of metal powder filler raises the composite's viscosity, reducing adhesion between the metal and polymer fillers while promoting metal-to-metal contacts.
Pemanfaatan Sampah Organik Untuk Pembuatan Briket Arang Sebagai Energi Ramah Lingkungan dan Usaha Meningkatkan Kemandirian Desa Nufus, Tatun Hayatun; Pramono, Agus Edy; Dermawan, Arif; Ridlwan, Hasvienda Mohammad; Arnanda, Rachmat; Rizkia, Vika
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 7 No 1 (2024): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v7i1.6095

Abstract

Program pengabdian masyarakat ini bertujuan memanfaatkan potensi alam yang ada di Kampung Sawah Rumpin, Bogor sebagai alternatif solusi bahan bakar fosil yang merupakan sumber daya yang tidak dapat diperbaharui dan harganyaterus meningkat. Mitra Program pengabdian ini adalah warga kampung sawah, Rumpin Bogor. Kampung tersebut banyak terdapat sampah organik yang selama ini belum dimanfaatkan. Program ini berupa pelatihan bagi kelompok masyarakat untuk menciptakan energi alternatif yang dapat diperbaharui dan bersih dengan memanfaatkan sampah organik antara lain berupa daun kering dan ranting pohon. Metode pelaksanaan dilakukan dengan cara mengolah sampah organik tersebut melalui pembakaran dengan tungku pirolisis. Pembuatan briket arang dari limbah organik dapat mengurangi timbunan limbah yang berbahaya bagi kesehatan lingkungan dan dapat dipakai masyarakat sebagai bahan bakar rumah tangga karena murah dan memenuhi standar kesehatan. Selain pelatihan, program ini jugamenyebarkan kuisioner terkait dengan pengetahuan dan keterampilan masyrakat terkait dengan briket limbah organik, hasilnya terjadi peningkatan yang cukup signifikan (93-100%) antara sebelum dan sesudah diberi pelatihan. Pembuatan briket dengan nilai kalor yang tinggi dapat diperoleh dengan treatment C (arang yang berasal dari kayu dicampur kanji cair 10% w) yaitu 6391 cal/gr. Terakhir perangkat alat pembuat briket arang ini diserahkan pada masyarakat agar dapat dimanfaatkan bagi masyarakat luas agar masyarakat bisa membuat sendiri sehingga dapat memanfaatkan limbah organik di sekitarnya dan bahkan meningkatkan kesejahteraan masyarakat.
Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
Design of a Fertilizer Lifting Crane for the Canycom S25A Fertilizer Spreader Unit Sukma, Irwan; Agus Edy Pramono
Recent in Engineering Science and Technology Vol. 3 No. 04 (2025): RiESTech Volume 03 No. 04 Years 2025
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v3i04.101

Abstract

Manual lifting of fertilizer bags in plantation operations often leads to musculoskeletal disorders (MSDs) among workers due to repetitive, high-load, and ergonomically poor movements. This study aims to design an ergonomic fertilizer lifting crane integrated into the Canycom S25A Fertilizer Spreader with a 650-liter hopper to reduce physical strain and improve operational efficiency. A hydraulic crane system was designed with dual-segment arms, four lifting hooks, and two hydraulic cylinders, actuated via the unit’s PTO engine. Ergonomic evaluation was performed using the REBA assessment tools. The simulation results indicated that the maximum stress on critical components was within safe limits, with a factor of safety above 1.5. Postural analysis showed a significant improvement, where REBA scores decreased from 12 to 2 after the crane was introduced. The design offers a reliable, low-cost, and easily manufactured solution that enhances worker safety, reduces ergonomic risk, and increases productivity in fertilizer loading processes, especially in rugged field environments. The crane can be adopted in various agricultural applications where safe material handling is essential. Keywords: Ergonomics, Fertilizer Lifting Crane, Hydraulic system, REBA, Agricultural Mechanization
The investigation of the properties of filaments fabricated from carbon biomass and LLDPE Pramono, Agus Edy; Patrick, Yohannes; Zuhri, Aminudin; Setiyadi, Iman; Maksum, Ahmad; Indayaningsih, Nanik; Subyakto, Subyakto
Jurnal Polimesin Vol 22, No 4 (2024): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i4.5084

Abstract

This study aims to develop composites using electrically conductive carbon and polymer polyethylene (LLDPE) to enhance electrical conductivity. Investigations have been conducted on the fabrication of electrically conductive composites and the modulus of elasticity through heat compaction using mixtures of carbon-LLDPE powders. Heat compaction is performed at temperatures ranging from 120°C to 150°C, with varying composition ratios of carbon-LLDPE, including 50:50, 60:40, and 70:30 % wt. Higher proportions of carbon and compaction temperatures are correlated with increased electrical conductivity. For instance, the C7-3LLDPE composite, compacted at 150°C, demonstrates the highest electrical current flow of 0.0018 A, whereas the C5-5LLDPE composite, compacted at 135°C, exhibits the lowest current flow at 0.0000638 A. Regarding the modulus of elasticity, the composition ratio of C7-3LLDPE, compacted at 120°C, achieves the highest value at 2686.43 [N/mm2 ]. Conversely, the composition ratio of C5-5LLDPE, compacted at 135°C, yields the lowest modulus of elasticity at 1530.94 [N/mm2 ]. Elasticity modulus testing follows the ASTM D638 standard, with a speed of 2 mm/min. It is observed that increasing the compaction temperature results in a decreased modulus of elasticity across all composition ratios. Furthermore, a higher carbon content within the composite corresponds to a higher modulus of elasticity, regardless of the compaction temperature.
Study on the impact of natural graphite amount and dispersion on the electrical performance of PET/graphite composites Pramono, Agus Edy; Dewi, Anissa Puspa; Nufus, Tatun Hayatun; Indayaningsih, Nanik
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6872

Abstract

Polymer composites have experienced rapid development in recent decades due to their ability to integrate mechanical, thermal, and electrical properties tailored for specific applications. One of the major challenges in polymer development is improving electrical conductivity, as most polymers are inherently insulating. To address this, various conductive fillers such as carbon black, graphite, carbon nanotubes, and graphene have been utilized. This study investigates the effect of natural graphite loading on the electrical conductivity, microstructure, and porosity of virgin Polyethylene Terephthalate (PET) composites. Composites containing 10%, 20%, and 30% graphite by weight were fabricated using the hot compaction method. Morphological analysis via Scanning Electron Microscopy (SEM) revealed that higher graphite content enhances filler connectivity, with the formation of conductive pathways beginning at 20% and a continuous network forming at 30%, despite some agglomeration and weak interfacial bonding. Density measurements and porosity analysis indicated that increasing graphite content leads to greater porosity, with the 30% composite reaching 19.68%. Electrical conductivity increased significantly with increasing graphite loading, exhibiting a transition from insulating to conductive behavior. The percolation threshold was identified at approximately 13.2 wt%, with conductivity rising from 0.00347 S/m at 10 wt% to 6.97 S/m at 30 wt%, consistent with classical percolation theory. These findings demonstrate that natural graphite is an effective conductive filler for PET-based composites and that its content must be optimized to balance conductivity with structural integrity.
Co-Authors Adhi, Pribadi Mumpuni Ahmad Maksum Ainun Nidhar, Ainun Aminudin Zuhri Andareska, Rafi Pradaya Arif Dermawan Arnanda, Rachmat Belyamin Belyamin Belyamin Devi Handaya Dewi, Anissa Puspa Dewi, Dhora Fadhila, Nazhmi Genia Auberta Iman Setyadi Indayaningsih , Nanik Indayaningsih, Nanik Indayaningsih Isnanda Nuriskasari Iwan Susanto Kamal, Dianta Mustofa Lingga Sakti Nanik Indayaningsih Noor Hidayati Noto, Feri Nugroho Adi Patrick, Yohannes Patrick, Yohannes PatrickR Patrik, Yohanes Paulus Sukusno Rahman, Haolia Ramadhan, Mochammad Tendi Noer Ridlwan, Hasvienda Mohammad Sakti, Lingga Setiyadi, Iman Setyadi , Iman Setyadi, Iman Subyakto Subyakto Sukma, Irwan Tatun Hayatun Nufus Vika Rizkia Wermasaubun, Hendrikus Yohanes, Alvian Zuhri , Aminudin Zuhri, Aminudin