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All Journal Media Statistika Jurnal Rekayasa Mesin Indonesian Journal of Information System INAQUE: Journal of Industrial & Quality Engineering SENAPAS Jurnal Teknik Industri dan Manajemen Rekayasa
Paulus Wisnu Anggoro
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Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Mechanical Properties and Microstructural Analysis of Gnetum Gnemon Fibers in Traditional Papuan Noken Bags: Integrating Indigenous Knowledge with Materials Science Johanis Manuel Ramandey; Wardhana Wahyu Dharsono; Nugroho Mamayu Hayuning Bawono; Suryadi; Anggoro, Paulus Wisnu
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6271

Abstract

Serat alami menjadi solusi strategis dalam pengembangan material berkelanjutan, namun tantangan utama tetap pada optimalisasi sifat mekanis dan karakteristik fungsional. Meskipun berbagai penelitian telah mengeksplorasi serat alami seperti kenaf, rami, dan bambu, serat melinjo (Gnetum gnemon L.) masih belum sepenuhnya dikaji dari perspektif rekayasa material. Kesenjangan penelitian ini mendasari pentingnya investigasi komprehensif untuk memahami potensi struktural dan mekanis serat melinjo dalam konteks pengembangan produk tekstil berkelanjutan. Penelitian bertujuan mengoptimalkan kekuatan tarik serat melinjo melalui analisis sistematis variasi pola anyaman untuk mendukung pengembangan tas noken sebagai warisan budaya Papua. Melalui pendekatan eksperimental, penelitian menguji tiga konfigurasi anyaman (1X1, 2X1, dan 2X2) menggunakan metode ekstraksi tradisional dan analisis ilmiah modern. Spesimen dikarakterisasi menggunakan Universal Testing Machine sesuai standar ISO 13934 dan SNI 0276:2009 untuk menganalisis properti mekanis secara komprehensif. Hasil menunjukkan anyaman 2X2 mencapai kekuatan tarik tertinggi 678,09 N, sementara anyaman 1X1 memiliki elongasi optimal 191%. Temuan ini mengungkap potensi serat melinjo dalam pengembangan tekstil fungsional berbasis kearifan lokal, membuka peluang inovasi material berkelanjutan dengan nilai budaya tinggi.
Optimasi Pengembangan Desain Ukiran Daun Pintu Presisi dan Unik Pada Industri Kayu dengan Sentuhan Artistic CAD/CAM Bawono, Baju; Yuniarto, Tonny; Anggoro, Paulus Wisnu; Dharsono, Wardana Wahyu
Seminar Nasional Penelitian dan Abdimas Vol 2 No 1 (2024): Juni
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/senapas.v2i1.9247

Abstract

Market competition in the wood processing industry, especially furniture products, door leaves, windows, frames, and interior crafts, is getting tighter. Frames and interior crafts is getting tighter. The need for new breakthroughs in developing uniquely patterned doors leaves us with technology to continue sales in an increasingly tight market. One aspect of producing unique patterned door leaves is Indonesian Batik ornaments using Artistics CAD / CAM technology and CNC Router machines. Using this technology, this community service goal of making door leaves patterned with Indonesian Batik ornaments helps SME entrepreneurs compete with better results. The method applied is the development and explorative manufacture of uniquely patterned door leaves with the application of advanced technology software engineering, artistic technology CAD/CAM, and CNC router machines. Process selection using this technology can save 1440 to 538 minutes or 62.64%. The optimal parameter conditions are A2, B2, C3, D3, E3. The optimal simulation and machining time (TS) is 481.56 minutes, and the optimum TR is 538 minutes. Technology produces quality and precision products at a lower cost, from Rp 1.2 million/m2 to Rp 500,000/m2, reduced by 37.36% from the original.
Effect of Build Plate Material and Temperature on Adhesion Performance in Fused Filament Fabrication of HIPS and PP Bondan Wiratmoko Budi Santoso; Andreas Sugijopranoto; Budi Arifvianto; Muslim Mahardika; Th. Adi Nugroho; Paulus Wisnu Anggoro
Jurnal Rekayasa Mesin Vol. 20 No. 3 (2025): Volume 20, Nomor 3, Desember 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i3.6716

Abstract

Adhesion between the printed part and the buildplate was a critical factor governing process stability, dimensional accuracy, and failure prevention in fused filament fabrication (FFF) technology. This study aimed to investigate the effects of build plate material and build plate temperature on interlayer adhesion performance and build-plate adhesion of high-impact polystyrene (HIPS) and polypropylene (PP). The research method used was an experimental approach involving the fabrication of standardized specimens using an FFF-based 3D printer, evaluation of interlayer bonding through tensile testing in accordance with ISO 527-3, and measurement of build-plate adhesion using a specially designed detachment test apparatus integrated with a universal testing machine, complemented by fracture morphology analysis using scanning electron microscopy. The results showed that increasing build plate temperature significantly improved interlayer adhesion strength and fracture surface width in HIPS, particularly at temperatures approaching its glass transition temperature, indicating enhanced molecular diffusion and improved interfacial bonding quality, whereas PP exhibited poor adhesion performance on all tested build plate surfaces due to early warping and interfacial void formation. Optimal and stable build-plate adhesion was achieved only for the HIPS–PEI combination at a build plate temperature of 105 °C, while ultrabed and glass build plates did not demonstrate adequate adhesion performance. These findings confirmed the importance of compatibility between thermal conditions and build plate surface characteristics in FFF processes and highlighted the necessity of material modification or additional surface treatment to improve the printability of PP.
Perbaikan kualitas produk genteng di UMKM SOKKA STR dengan Metode Seven Steps Chalista, Lidwina Alma; Hadisantono; Anggoro, Paulus Wisnu
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 3 No 2 (2025)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v3i2.13046

Abstract

[Improving Clay Roof Tile Product Quality at SOKKA STR MSME Using the Seven Steps Method] SOKKA STR is a clay roof tile manufacturer located in Godean, Sleman, Yogyakarta, which still uses traditional production methods. This has led to a high defect rate, especially during periods of increased demand. This study aims to identify the causes of defects and propose solutions to reduce the defect rate to below 1%. The method used is the seven steps approach supported by the seven tools due to its simplicity, structured process, and low investment requirement. An analysis of production data from 2022–2024 shows a defect rate of 3%–5%, including cracks, breaks, chips, and burnt coloration. The main causes are human factors, methods, materials, and environmental conditions. Proposed solutions include setting production targets, routine supervision, technical training, inspection of the firing process, use of clay filtering tools, proper selection and drying of firewood, standardization of procedures, provision of temperature measuring devices, and organized firewood arrangement. These measures are expected to sustainably improve the quality of tile production.
Co-Authors Andreas Sugijopranoto Baju Bawono Baju Bawono, Baju Bawono, Nugroho Mamayu Hayuning Bayu Prakoso, Bayu Bondan Wiratmoko Bondan Wiratmoko Budi Santoso Budi Arifvianto Chalista, Lidwina Alma Damayanti, Alfrina Dewi, Grita Supriyanto Dharsono, Wardana Wahyu Dharsono, Wardhana Wahyu Hadisantono Ismartaya, Kristian Johanis Manuel Ramandey Karyadi, Gabriel Bagus Laheba, Timothy Rey Muslim Mahardika N, Rafael Prakosa Nugroho Mamayu Hayuning Bawono Nugroho, Vinsensius Herdani Agung Pratama, Putri Noviana Nih Rosid, Ibnu Abdul Stefanditya, Yotam Suryadi Syaifullah, Herry Th. Adi Nugroho Tonny Yuniarto Urip Nurwijayanto Prabowo, Urip Nurwijayanto Utomo, Budi Wahyu Wardana Wahyu Dharsono Wiranata, Ferdinandus Edwin Yuniarto, Antonius Tony Yuniarto, Tonny