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All Journal Jurnal Simetris Rekayasa Mesin Majalah Ilmiah MOMENTUM Jurnal Teknologi Terapan Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Quantum Teknika DEDIKASI PKM ARMATUR : Artikel Teknik Mesin dan Manufaktur Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan Jurnal Polimesin J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Pristiansyah, Pristiansyah
Politeknik Manufaktur Negeri Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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The impact of nozzle temperature on the shrinkage of annealed 3D printed PLA Sugianto Sugianto; Meriatun Meriatun; Pristiansyah Pristiansyah; Ramli Ramli; Atikah Araminta Wardiyah; 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.
Investigation of the effects of fused deposition modeling process parameters on the dimensional accuracy of PLA+ using the Taguchi method Pristiansyah Pristiansyah; Muhammad Yunus; Andi Meri; Soni Afriansyah
Jurnal Polimesin Vol 23, No 6 (2025): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i6.7754

Abstract

Dimensional accuracy is a crucial aspect of 3D printing technology based on Fused Deposition Modeling (FDM), as deviations from the intended dimensions may lead to product malfunction and difficulties in component assembly. Such inaccuracies are generally influenced by various process parameters during 3D printing. This study aims to evaluate the effects of four main FDM parameters layer height, infill density, print speed, and nozzle temperature on the dimensional accuracy of printed parts using PLA+ material. The primary focus of this research is to enhance dimensional accuracy. To achieve this objective, the Taguchi design of experiments method was employed, offering a structured and efficient approach to optimizing process parameter settings while minimizing the required number of experiments. An L27 orthogonal array matrix was selected to analyze the influence of parameters at three levels. Based on the analysis of signal-to-noise (S/N) ratios and response data, the optimal parameter combination was identified as follows: layer height of 0.1 mm, infill density of 100%, print speed of 40 mm/s, and nozzle temperature of 210°C. Confirmation tests with these settings demonstrated a significant improvement in dimensional accuracy, with average measurements of 11.73 mm on the X-axis, 7.08 mm on the Y-axis, and 21.08 mm on the Z-axis. These results confirm that the selected parameter configuration is capable of ensuring dimensional stability and consistency.
Optimasi Parameter Proses FDM terhadap Kekuatan Tarik Material Polypropylene (PP) Menggunakan Metode Taguchi L9 Pristiansyah Pristiansyah; Idola Brilian; Idiar Idiar
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 2 (2026): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i2.4442

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh variasi suhu nozzle dan ketebalan lapisan (layer height) terhadap kekuatan tarik material Polypropylene (PP) yang diproduksi menggunakan teknologi Fused Deposition Modeling (FDM). Metode Taguchi L9 Orthogonal Array digunakan untuk menentukan kombinasi parameter proses yang paling optimal dengan jumlah percobaan yang efisien. Pengujian kekuatan tarik dilakukan menggunakan Universal Testing Machine (UTM) berdasarkan standar ASTM D638-14 tipe IV. Hasil penelitian menunjukkan bahwa peningkatan suhu nozzle berpengaruh signifikan dalam memperkuat ikatan antar-lapisan, sehingga meningkatkan nilai kekuatan tarik material. Sebaliknya, peningkatan ketebalan lapisan menyebabkan penurunan sifat mekanik akibat lemahnya adhesi antar-layer. Kondisi optimum diperoleh pada suhu nozzle 250°C dan ketebalan lapisan 0,1 mm, dengan nilai kekuatan tarik rata-rata mencapai 55,7 MPa. Analisis Signal-to-Noise Ratio (S/N) menunjukkan bahwa suhu nozzle memberikan kontribusi dominan terhadap kestabilan dan kekuatan hasil cetakan. Secara keseluruhan, penelitian ini memberikan kontribusi terhadap optimasi parameter proses FDM berbasis material PP, terutama untuk mendukung peningkatan efisiensi dan performa mekanik pada aplikasi industri manufaktur aditif.
Pengaruh Bed Temperature Dan Print Speed Pada Proses Fdm Menggunakan Filamen Polypropelene Terhadap Kuat Tarik Idola Brilian; Idiar Idiar; Pristiansyah Pristiansyah
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.v4i1.386

Abstract

The experimental results demonstrate that bed temperature and print speed exert significant effects on the tensile strength of polypropylene components produced via FDM. An increase in bed temperature consistently improves tensile performance, with the optimal strength obtained at 75°C. Higher bed temperatures promote stronger interlayer diffusion and reduce residual thermal stress. In contrast, increasing print speed generally leads to a decline in tensile strength due to limited bonding time and the formation of voids within the printed structure. The combination of high bed temperature and low print speed yields the most favorable mechanical properties. Overall, the study confirms that precise control of thermal and kinetic parameters is essential for enhancing the mechanical integrity of polypropylene parts manufactured through the FDM process.
Analisis Pengaruh Nozzle Temperature dan Wall Thickness pada Proses FDM Terhadap Kekuatan Mekanik Filamen PETG Luthfi Maulana A; Zaldy Sirwansyah Suzen; Pristiansyah Pristiansyah
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.v4i1.398

Abstract

3D printing has rapidly developed as part of additive manufacturing, with Fused Deposition Modeling (FDM) being widely used due to its low cost and ease of operation. PETG is a popular FDM material because of its good mechanical properties and temperature resistance. However, print quality is strongly influenced by process parameters. This study evaluates the effect of FDM parameters on the impact strength of PETG and determines the optimal settings. The investigated parameters were Nozzle Temperature and Wall Thickness, each tested at three levels. The experiments were designed using the Taguchi method with an L9 orthogonal array, producing nine sample combinations. Specimens were printed using a Haltech H-01 3D printer and tested with the Charpy impact method on a GOTECH GT-7045 machine. Data were analyzed using the Signal-to-Noise Ratio with the “Larger is Better” criterion. Results show that Nozzle Temperature has a more significant effect on impact strength than Wall Thickness, indicated by a higher Delta value and greater variation in mean response. The optimal parameters were a 250°C Nozzle Temperature and 2.5 mm Wall Thickness, providing the best mechanical performance and consistency.
Optimasi Parameter Proses 3D Printing FDM Pada Produk Waterjet Thruster terhadap Gaya Dorong Pristiansyah Pristiansyah; Hasdiansah Hasdiansah; Thala Viniolita; Muhammad Subhan
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 16 No. 2 (2025): JURNAL SIMETRIS VOLUME 16 NO 2 TAHUN 2025
Publisher : Fakultas Teknik Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/simet.v16i2.15686

Abstract

Teknologi waterjet mengalami perkembangan yang signifikan dan kini semakin banyak diterapkan sebagai sistem propulsi pada kapal-kapal berkecepatan tinggi. Keunggulan utama dari sistem propulsi ini terletak pada efisiensi manuver serta konsumsi bahan bakar yang lebih ekonomis, terutama pada kondisi operasi dengan kecepatan tinggi. Prinsip kerja waterjet menghasilkan gaya dorong melalui aliran air berkecepatan tinggi yang disemburkan ke belakang, menciptakan gaya reaksi yang mendorong kapal ke depan. Penelitian ini bertujuan untuk menguji performa daya dorong dari prototipe mini waterjet thruster yang dikembangkan dengan memvariasikan sejumlah parameter teknis. Komponen utama sistem ini dicetak menggunakan teknologi 3D printing, dan rancangan percobaan disusun menggunakan metode Taguchi Orthogonal Array (OA) untuk memperoleh hasil optimal dengan efisiensi waktu dan biaya. Hasil pengujian menunjukkan bahwa konfigurasi parameter terbaik yang menghasilkan daya dorong tertinggi sebesar 2,232 N terdiri dari 15 bilah inlet turbo, tipe impeller 2, dan 13 bilah outlet turbo. Sebaliknya, daya dorong terendah sebesar 1,104 N diperoleh dari kombinasi 14 bilah inlet turbo, tipe impeller 2, dan 13 bilah outlet turbo. Berdasarkan analisis kontribusi masing-masing parameter, urutan pengaruh terbesar terhadap daya dorong adalah: tipe impeller, jumlah bilah outlet turbo, dan jumlah bilah inlet turbo.
Peningkatan Keakurasian Produk Cetak 3D Printing Menggunakan Filamen PLA+ Andimeri Andimeri; Muhammad Yunus; Pristiansyah Pristiansyah
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (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.v4i2.370

Abstract

This study aims to improve the dimensional accuracy of printed products in the 3D Printing process using the Fused Deposition Modeling (FDM) method with PLA+ filament material. The research employed the Taguchi L9 (3²) experimental design to evaluate the influence of printing speed and layer height on the dimensional precision of the printed objects. Cube-shaped specimens measuring 20×20 mm were fabricated using an Ender 3 Pro printer and measured with a digital caliper of 0.02 mm accuracy. The results showed that the combination of a 0.10 mm layer height and 85 mm/s print speed produced the highest accuracy, with a minimal dimensional deviation of approximately ±0.05 mm from the nominal size. The Signal-to-Noise (S/N) Ratio analysis indicated that both parameters contributed equally to print quality. Therefore, optimizing printing parameters and utilizing PLA+ material effectively enhances dimensional precision, process stability, and geometric quality of 3D printed products. These findings can serve as a practical guideline for optimizing additive manufacturing processes based on the FDM technique.
ANALISIS KERUSAKAN SISTEM KELISTRIKAN DAN MEKANIK MESIN FRAIS ACIERA F3 METODE 5 WHY Radittiansyah Radittiansyah; Rezqi Al Ghifari; Robert Napitupulu; Pristiansyah Pristiansyah
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 6 No. 1 (2026): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A milling machine is an essential machine tool in practical laboratory activities due to its ability to produce components with high precision. However, excessive use and aging of the machine can lead to failures that reduce its performance and disrupt learning activities. This study was conducted to analyze and identify the root causes of failures in the mechanical and electrical systems of the Aciera F3 milling machine using the 5 Whys approach. The research methodology involved direct observation, interviews with technicians, visual inspections, and electrical testing using a multimeter and test pen. The 5 Whys method is a root cause analysis technique that identifies the underlying causes of a problem by repeatedly asking the question "why" until the fundamental cause is determined. This approach helps reveal the relationship between observed symptoms and their actual causes, enabling appropriate corrective actions to be established. The results indicate that the 5 Whys method is effective in supporting the identification of root causes and the development of suitable corrective maintenance measures. After the corrective actions were implemented, the system was able to operate normally again, and the machine could be used according to operational standards.
PENERAPAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) PADA SISTEM PERAWATAN JIG SCREEN KAPAL ISAP PRODUKSI TIMAH Al Firzan Syaidani; Pristiansyah Pristiansyah
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 6 No. 1 (2026): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The Suction Production Vessel (KIP) Tin 07 owned by PT Timah Tbk relies on the Jig Screen System as a core component for separating cassiterite (tin ore) from waste material based on specific gravity differences. Maintenance of this system has so far been reactive, carried out only after breakdowns occur, resulting in unplanned production downtime and potential financial losses. This final project aims to identify the types, causes, and effects of failures in the Jig Screen System's components, determine high-risk components through Risk Priority Number (RPN) calculations, and develop preventive maintenance recommendations. The method applied is Failure Mode and Effect Analysis (FMEA), with primary data obtained through field observation and technician interviews, and secondary data consisting of historical failure records from 2025. The results show 28 failure events occurred throughout 2025 with a total downtime of 100.5 hours. The FMEA analysis identified the Rotary Screen Segment as the highest-priority component with an RPN value of 378, followed by the Eccentric Bearing with an RPN of 210, while the Jig Eccentric, Rotary Screen Shaft Bearing, and Rotary Screen Grizzly fell into the medium-priority category. Based on these findings, preventive maintenance recommendations were developed, including periodic inspection, lubrication, cleaning, and component replacement before failure occurs, with time intervals tailored to each component. Implementation of these recommendations is expected to reduce failure frequency, decrease downtime, and improve the reliability of the Jig Screen System as well as the continuity of the tin production process.
Co-Authors Abda Abda Achmad Rusdy ade Ferdiansyah Ade Ferdiansyah Adhe Anggry Ahadiatullah, Wassi AJI, BAYU Al Firzan Syaidani Aldo Firnando Andi Meri Andimeri Andimeri Aprilia, Silvy Ariansyah , Ariansyah Ariansyah Ariansyah, Ariansyah Ariyani, Yang Fitri Ariyanto Arzela Tanjung Ampera Aswin , Fajar Aswin, Fajar Atikah Araminta Wardiyah Bayu Anggara Cindy Vena Ariesta Dedy Ramdhani Harahap Delfiana Octora Dika Qomara Sari Dino Arisandi Durrani Irdin, Afiq Dwi Ranti Safitri Edwin Aldrin Erwansyah, Erwansyah Esya Abinda, Azora Fadzila Septia Falah Yudha Hanafi Fatjri Novianti Fatra, Fatra Ferdian, Ferdian Feriadi, Indra Ferninda Putri, Sherin Ferzy Ersandy Firnando, Aldo Haafizh Arrahman, Amar Ma’ruf Hafiz Fadhil Haritsah A, M. Harwadi, Harwadi Hasdiansah, Hasdiansah Herianto , Herianto Herianto . Husman Husman I Ketut Suada Idiar Idola Brilian Ilham Ary Wahyudie Ilham Nur Dimas Yahya Indun Indun, Indun Irdin, Afiq Durrani Iswanto Juanda Krisna Raden Luthfi Maulana A Luthfi Maulana Alvianto MALINDA CHRISTILIANA Masdani, Masdani Mawar Lestari Meriatun Meriatun Muhamad Aris Muhammad H Amrullah Muhammad Habib Bari Bari Muhammad Haritsah Amrullah Muhammad Subhan MUHAMMAD SUBHAN Muhammad Subhan Muhammad Yunus Muhammad Yunus Muhammad Yunus Nanda Pranandita Naufal Rafiq Muhammad Oktavianto, Mario Oktriadi, Yudi Omardo, Masria Padilah, Rifky Pakpahan, Binsar Maruli Tua Pranata, Yogi Pratama , Jhasua Radittiansyah Radittiansyah Rahman Saputra, Rahman Ramli Ramli Ramli Ramli Rezqi Al Ghifari Rivaldi, Muhammad Rizqi Ilmal Yaqin Rizqi ilmal yaqin, Rizqi ilmal Robert Napitupulu Rohman, Habibu Rollastin, Boy Rosa, Rosalina Rovi Avriansah Rully Febriansyah S Suzen, Zaldy Saputra, M. Aji Soni Afriansyah Soni Afriansyah Soni Afriansyah Subkhan Subkhan Sugianto Sugianto Sugianto Sugianto Sugiyarto Sugiyarto Sugiyarto Sugiyarto Sukanto , Sukanto Suzen, Zaldy Sirwansyah Syamsul Arifin Thala Viniolita Tuparjono . Viniolita , Thala Viniolita Wahyu Riyan Saputra Wahyudi Wahyudi Wulandari, Sawitri Yeyen, Yeyen Yoga Alvero Yudha Bika Pratama Yudha Pirmansyah, Sandika Yuliyanto Yuliyanto zailani hamzah Zaldy Kurniawan Zaldy S Suzen Zulfitriyanto, Zulfitriyanto Zulkarnein, Faruq Akbar