Claim Missing Document
Check
Articles

The impact of nozzle temperature on the shrinkage of annealed 3D printed PLA Sugianto, Sugianto; Meriatun, Meriatun; Pristiansyah, Pristiansyah; Ramli, Ramli; Wardiyah, Atikah Araminta; Hasdiansah, Hasdiansah; Herianto, Herianto
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8196

Abstract

Thermal annealing is used to strengthen the mechanical performance and thermal stability of fused deposition modeling (FDM) parts made from polylactic acid (PLA). This treatment frequently introduces dimensional shrinkage, compromising geometric accuracy and limiting the reliability of printed components in demanding applications. Among the printing parameters, nozzle temperature is a key variable because it influences melting behavior, interlayer diffusion, and the buildup of internal stresses, yet its role in managing shrinkage after annealing has not been clearly established. This study evaluates the influence of nozzle temperature on the anisotropic shrinkage of annealed PLA specimens across different specimen lengths and measurement directions (X and Y), with the main analysis conducted at selected nozzle temperatures ranged 195-230°C. Dimensional changes were quantified before and after annealing at 100°C for 60 min, and statistical evaluation was performed using analysis of variance (ANOVA) with post-hoc testing based on replicated specimens. The results confirm nozzle temperature as a significant contributor to shrinkage behavior, F (2,36) = 30.90, p 0.001, partial η²=0.63. Printing at 230°C consistently yielded the smallest dimensional reduction, outperforming both 210°C and 220°C. Within the examined range, 230°C emerges as the most effective nozzle setting for minimizing annealing-induced shrinkage, offering a practical processing window to improve dimensional accuracy and functional reliability in FDM-printed PLA parts.
Kelayakan Komposit Pet Daur Ulang Berpenguat Talc Resin Sebagai Bahan Filamen 3D Banarma, Verdy; Sugianto, Sugianto; Hasdiansah, Hasdiansah
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.376

Abstract

This study aims to utilize used PET plastic waste as a basic material for 3D filaments with the addition of talc resin as a reinforcing material. Literature review shows that talc resin can increase stiffness and mechanical strength in polymer composites. The experimental process was carried out through mixing, molding, and tensile and impact tests according to ASTM standards. The test results showed that the addition of 10% talc resin provided optimal tensile strength and toughness compared to other varia tions. Thus, filaments based on used plastic and talc resin are suitable for use in environmentally friendly 3D printing applications.
PENERAPAN TEKNOLOGI TEPAT GUNA PENGOLAHAN LIMBAH KELAPA MUDA SEBAGAI MEDIA PUPUK ORGANIK KELAPA SAWIT DI KABUPATEN BANGKA Robert Napitupulu; Yuli Dharta; Subkhan Subkhan; Diviya Arsieka Putri; Devaned Parlindungan; Aldi Pratama; Hasdiansah Hasdiansah; Clara Lavita Angelina
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 2 (2023): martabe : jurnal pengabdian kepada masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i2.434-441

Abstract

Penerapan teknologi tepat guna pengolahan limbah kelapa muda sebagai media pupuk organik kelapa sawit di Kabupaten Bangka, merupakan kegiatan pengabdian dosen dan mahasiswa dengan melibatkan mitra, yaitu masyarakat yang peduli akan lingkungan dan aktif dalam pengembangan dan budidaya kelapa sawit di Kabupaten Bangka. Permasalahan yang dihadapi mitra adalah sulitnya mendapatkan pupuk yang disebabkan karena mahalnya harga pupuk anorganik dipasaran dan berdampak pada pengurangan hasil panen buah sawit. Selain itu, limbah kelapa muda jumlahnya sangat besar, apalagi dikala bulan puasa. Ini menjadi masalah tersendiri karena berpotensi menyebabkan terjadinya pencemaran lingkungan dan menjadi sarang penyakit. Limbah kelamud ternyata bisa digunakan menjadi bahan baku pembuatan pupuk organik bagi tanaman kelapa sawit. Saat ini proses pengolahan limbah kelamut masih dilakukan dengan cara manual menggunakan parang. Untuk dapat memecahkan masalah Mitra tersebut, maka kegiatan pengabdian kepada masyarakat ini dilaksanakan berupa pemberian bantuan penerapan TTG dalam pengolahan limbah kelamud serta pemberian pelatihan berupa cara pengoperasian dan perawatan mesin pengolah limbah kelamud dalam bentuk ceramah, diskusi, praktek dan introduksi mesin pencacah limbah kelamud untuk dijadikan bahan baku pupuk organik. Pelaksanaan kegiatan pengabdian kepada masyarakat ini nantinya diharapkan mitra mampu membuat pupuk organik dengan memanfaatkan limbah kelamud dan juga dapat mengurangi limbah kelamud yang tidak bermanfaat yang dapat menimbulkan berbagai penyakit. Hasil dari kegiatan ini mampu membantu IKM mengatasi persoalan pengolahan limbah kelamud menjadi lebih cepat dan efektif dengan kapasitasnya 201,04 Kg/jam sehingga mempercepat Proses pembuatan pupuk organik bagi tanaman kelapa sawit.
UJI EKSPERIMENTAL TIPE TWIN WATERJET THRUSTER MENGGUNAKAN MATERIAL STAINLESS STEEL 304 Hasdiansah Hasdiansah; Ferzy Ersandy; Boy Rollastin; Muhammad Subhan; Faiz Maulana Akbar
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 7 No. 1 (2026): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v7i1.10172

Abstract

Maritime is a vital sector that highly depends on ship propulsion systems to support mobility and maritime security. One of the developing propulsion technologies is the waterjet thruster, which provides advantages in maneuverability, efficiency, and resistance to cavitation for high-speed vessels. This study aims to experimentally investigate the performance of a twin waterjet thruster made of stainless steel 304. The prototype was designed using SolidWorks software with a configuration of 12-blade inlet, 3-blade impeller, and 12-blade outlet, and tested using a 22 HP combustion engine at 2,300 rpm in a water test tank. The results showed thrust values of 23 kg, 24 kg, and 25 kg with an average of 24 kg or 235.44 N. The variations were influenced by water flow conditions, pump pressure, and engine stability. Overall, the twin waterjet thruster made of stainless steel 304 proved to be effective, consistent, and has the potential for further development with higher engine speeds or different drive types for real ship applications.
Studi Eksperimental Twin Waterjet Thruster Menggunakan Thermoplastic Polyurethane (TPU) yang Diproduksi dengan 3D Printing Hasdiansah Hasdiansah; Muhamad Aris; Pristiansyah; Ramli; Sugianto; Ferzy Ersandy; Achmad Rusdy; Hafiz Fadhil; Muhammad Subhan
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 7 No. 1 (2026): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v7i1.10222

Abstract

Indonesia, as the world’s largest archipelagic nation, requires efficient and reliable marine propulsion systems to support sustainable transportation. The waterjet thruster has emerged as an alternative to conventional propellers due to its advantages in maneuverability, cavitation resistance, and operational efficiency. With the advancement of additive manufacturing, particularly 3D printing, opportunities have arisen to fabricate propulsion components using innovative materials such as Thermoplastic Polyurethane (TPU), which combines flexibility and durability.This study presents the design, fabrication, and experimental testing of a twin waterjet thruster produced with TPU material through the Fused Deposition Modeling (FDM) method. Performance tests were conducted using a 22 HP combustion engine at 4,100 rpm. The experimental results indicate that the thrust generated ranged between 10.8–12 kg (equivalent to 105.94–117.72 N) with an average thrust of 11.36 kg (111.24 N). These outcomes demonstrate that the system delivers consistent performance with minimal variation between trials. The findings confirm the feasibility of TPU-based twin waterjet thrusters for small to medium-scale marine applications and provide a basis for further development toward environmentally friendly propulsion systems through design optimization and the integration of electric motors.
Uji Performa Penggerak Perahu Dengan Tipe Twin Menggunakan Propeller 2 Blade Hasdiansah Hasdiansah
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 7 No. 1 (2026): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/armatur.v7i1.10293

Abstract

Indonesia, as an archipelagic country, requiresefficient sea transportation systems, particularly forsmall to medium-sized fishing vessels. One innovationdeveloped to support this need is the twin propulsionsystem driven by a single engine. This study aims toevaluate the performance of a 2-blade propeller in atwin screw configuration, focusing on thrust, speed,efficiency, and vessel stability. The experimentalmethod was conducted through direct testing in awater tank using a 22 HP four-stroke gasoline engine,which transmitted power to two propeller shafts via achain and sprocket mechanism. The results show thatthrust increases with engine speed. At 2300 RPM, theaverage thrust obtained was 39.24 N, while at 4600RPM, it significantly increased to 78.48 N. Thesefindings confirm a linear relationship between RPMincrement and thrust production. Overall, the twinpropulsion system with a 2-blade propellerdemonstrated good performance, stability, andresponsiveness to engine speed variations. This studyis expected to serve as a reference for the developmentof propulsion systems for fishing boats and smallvessels that are more efficient and well-suited to theconditions of Indonesia’s archipelagic waters,particularly in the Bangka Belitung region.
PENGARUH VARIASI JUMLAH BLADE IMPELLER PADA WATERJET THRUSTER TERHADAP GAYA DORONG Hasdiansah Hasdiansah; Mario Oktavianto; Thala Viniolita; Marcellino Stevanus Seva; M. Ahlan Maulidiansyah; Wassi Ahadiatullah; Zaldy Sirwansyah Suzen
JURNAL ILMIAH MOMENTUM Vol 20 No 2 (2024): Vol 20, No 2
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v20i2.10923

Abstract

Waterjet thruster merupakan sistem penggerak sebuah perahu yang menghasilkan daya dorong sebagai pengganti baling-baling yang konvensional. Waterjet thruster memiliki impeller sebagai pendorong utama untuk menggerakakan perahu diperairan, Dalam penelitian ini akan dilakukan pengujian prototype waterjet thruster dengan diameter 1 inch dengan variasi jumlah blade impeller, variasi 3 blade, 4 blade dan 5 blade, masing-masing 1. Sedangkan inlet dan outlet dengan variasi 9 blade, filament yang digunakan yaitu filamen ST-PLA berdiameter 1,75 untuk mencetak prototype outlet, inlet dan impeller, didapatkan gaya dorong dengan variasi jumlah blade yang berbeda. Sehingga variasi jumlah blade impeller berpengaruh terhadap gaya dorong yang dihasilkan. Variasi jumlah blade impeller dengan gaya dorong tertinggi dihasilkan oleh variasi 3 blade 14960255 N, dan hasil gaya dorong terendah pada variasi 6 blade 0.613125 N. Artinya semakin sedikit blade impeller yang digunakan , maka gesekan yang terjadi antara blade dengan fluida semakin sedikut sehingga daya dorng yang dihasilkan dapat maksimal.
Co-Authors Achmad Rusdy Ade Ferdiansyah Adhe Anggry Afriadi, Achmad Ahadiatullah, Wassi Ahmad Gunadi, Ahmad Aldi Pratama Aprilia, Silvy Ariansyah , Ariansyah Ariyanto Arriyani, Yang Fitri Aswin , Fajar Aswin, Fajar Banarma, Verdy Berlian Adinata Intani Adinata Boi Rollastin Clara Lavita Angelina Dafri, Nastiar Dedy Ramdhani Harahap Delfiana Octora Devaned Parlindungan Dherry Riski Andhika Diviya Arsieka Putri Dwi Ranti Safitri Erwansyah, Erwansyah Fadzila Septia Faiz Maulana Akbar Falah Yudha Hanafi Febrianto, Muhammad Yori Feriadi, Indra Ferzy Ersandy Ferzy Ersandy Fikri Fikri Firnando, Aldo Hafiz Fadhil Hairullah Hairullah Harwadi, Harwadi Herianto , Herianto Herianto Herianto Husman Husman Ilham Nur Dimas Yahya Indun Inne Dwi Agustini Irfan Fadhil, Irfan Irwandi, Muhammad Josi, Ahmad M. Ahlan Maulidiansyah Marcellino Stevanus Seva Mario Oktavianto Masdani, Masdani Maulidiansyah, M. Ahlan Medeline Citra Vanessa Meriatun, Meriatun Muhamad Aris Muhammad Ahlan Maulidiansyah Muhammad Haritsah Amrullah Muhammad Subhan Muhammad Subhan MUHAMMAD SUBHAN Nanda Pranandita Naufal Rafiq Muhammad Nori Farandi Nori Oktavianto, Mario Oktriadi, Yudi Pranata, Yogi Pranata, Yogie Pratama, Wahyudi Hafizi Pristiansyah , Pristiansyah Pristiansyah, Pristiansyah Rafiq Muhammad, Naufal Rahman Saputra, Rahman Ramdhani, Dedy Ramli Ramli Redy, Redy Reza Dwi Putra Putra Riskullah Dirga Trisaplin Rizqi ilmal yaqin, Rizqi ilmal Robert Napitupulu Rohman, Habibu Rollastin, Boy Sateria, Angga Setyawan, Riko Seva, Marcell Seva, Marcellino Stevanus Soni Afriansyah Stevanus Seva, Marcellino Subakti, Yulian Subkhan Subkhan Sugianto Sugianto Sugianto Sugianto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sukanto , Sukanto Suzen, Zaldy S Suzen, Zaldy Sirwansyah Syaputra Arianto, Handika Tarman, Tarman Thala Viniolita Thala Viniolita Ummi Khalsum Viniolita , Thala Viniolita Viniolita, Thala Wahyudi Hafizi Pratama Wahyudi Wahyudi Wardiyah, Atikah Araminta Wassi Ahadiatullah Wibowo, Kasih Yudha Bika Pratama Yuli Dharta Yulian Subakti M.yusuf Yuliyanto Yuliyanto Yuliyanto Z. S. Suzen Zaldy Kurniawan Zaldy S Suzen Zaldy S. Suzen Zanu Saputra Zarkasih Zarkasih Zulfiandi, Wendi Zulfitriyanto, Zulfitriyanto