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All Journal Jurnal Energi Dan Manufaktur Jurnal Teknik Teknik dan Ilmu Komputer JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Sinergi Jurnal Optimasi Sistem Industri Jurnal Ergonomi dan K3 Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Jurnal Ilmiah Teknik Industri Jurnal Abdi Masyarakat (JAM) Jurnal Bakti Masyarakat Indonesia Jurnal Riset Sistem Informasi dan Teknologi Informasi (JURSISTEKNI) ABDI MASSA: Jurnal Pengabdian Nasional KESANS : International Journal of Health and Science Prosiding Seri Seminar Nasional JURNAL TEKNIK INDUSTRI IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Proceeding Mercu Buana Conference on Industrial Engineering IRA Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Mitra Masyarakat PASAI : Jurnal Pengabdian kepada Masyarakat Jurnal Serina Abdimas
Silvi Ariyanti
Universitas Mercu Buana
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Analisis Pengendalian Kualitas Pada Produk Cable Ladder dengan Menggunakan Metode DMAIC dan FMEA di PT. Trias Indra Saputra Umi Nurul Solikhah; Silvi Ariyanti
Jurnal PASTI (Penelitian dan Aplikasi Sistem dan Teknik Industri) Vol. 19 No. 3 (2025): Jurnal PASTI
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/10.22441/0.22441/10.22441/pasti.2025.v19i3.012

Abstract

PT. Trias Indra Saputra merupakan perusahaan manufaktur yang bergerak pada bidang produksi cable support system. Salah satu produk yang dihasilkannya adalah cable ladder. Permasalahan yang terjadi yaitu diketahui bahwa terdapat ketidaksesuaian standar kualitas (defect) pada produk cable ladder yang melebihi batas toleransi yang telah ditetapkan perusahaan yaitu 5%. Dari total 45.876 bagian yang diproduksi, terdapat 3.344 unit cable ladder yang mengalami defect. Penelitian ini bertujuan untuk mengetahui jenis defect paling dominan serta mengidentifikasi faktor-faktor penyebabnya untuk dilakukan prioritas penanganan. Metode yang digunakan dalam penelitian ini yaitu DMAIC dan FMEA. Hasil penelitian menunjukkan bahwa jenis defect paling dominan pada produk cable ladder adalah HDG terkelupas dengan persentase 52%. Pada tahun 2023 didapatkan nilai DPMO sebesar 14.500 dengan nilai level sigma sebesar 3,68. Berdasarkan perhitungan menggunakan FMEA didapatkan hasil faktor penyebab paling potensial yaitu temperatur dan durasi pencelupan tidak sesuai dengan nilai RPN 392 dan kondisi permukaan produk kurang bersih dengan nilai RPN 294. Usulan perbaikan yang direkomendasikan yaitu: membuat SOP pelapisan hot dip galvanized, membuat list ketentuan pelapisan hot dip galvanized berdasarkan ketebalan materialnya, serta temperatur dan durasi pencelupan,  membuat form inspection report, dan membuat control list SOP.
The Effect of Condition-Based Maintenance on Heavy Equipment Performance in the Coal Mining Industry: The Moderating Roles of Operational Environmental Conditions and Human Resource Competency Herry Agung Prabowo; Mohd. Zulkifly Abdullah; Farida; Silvi Ariyanti; Hasnida Ab-Samat; Erry Yulian T. Adesta; Andrea Sigit Sulaksono
Jurnal Optimasi Sistem Industri Vol. 25 No. 1 (2026): Published in June 2026
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v25.n1.p191-215.2026

Abstract

Heavy equipment performance is an important factor that can affect productivity factors in the Indonesian coal mining sector. A major reason behind the high downtime is because they follow time-based maintenance (TBM) methods on their heavy equipment. This has led to the search of new and much better and effective methods such as Condition-Based Maintenance (CBM) method. The use of CBM as a predictive maintenance methodology by coal industry players to minimise equipment downtime is proliferating but, at present, little evidence exists regarding how operational environmental conditions and human resource competencies impact the effectiveness of CBM. This study investigates the impact of Predictive Data Analysis (PDA), Maintenance Actions Proactive (MAP) and Supporting Technology (STE) on heavy equipment performance (HEP) and which include Operational Environment Conditions (OEC) and Human Resource Competency (HRC) as moderating variables. This study collected data from 207 operational and maintenance personnel in Indonesian coal mining companies that have adopted CBM. Analysis of data was conducted through Partial Least Squares Structural Equation Modeling (PLS-SEM) using Smart-PLS 4.0 software. The results showed that PDA, MAP, and STE were positively related to heavy equipment performance, with MAP showing the strongest relationship among the three CBM dimensions. OEC and HRC also had a significant direct effect on performance. However, among the proposed moderating relationships, only the interaction between HRC and MAP was statistically significant. These findings suggest that CBM effectiveness is influenced not only by maintenance-related practices but also by workforce capabilities. This study provides empirical evidence on the relationship between CBM implementation, operational conditions, human resource competencies, and heavy equipment performance in the context of coal mining operations.
PENGARUH INFILL DENSITY DAN WALL LOOPS TERHADAP AKURASI DIMENSI CETAK 3D BAHAN POLIMER Sobron Lubis; Heru Budi Kusuma; Didi Widya Utama; Gerard T.; Rayland; SIlvi Ariyanti
Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Vol. 9 No. 2 (2025): Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan (IN PRESS)
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/vz0j7770

Abstract

Teknologi 3D printing berkembang pesat dan menjadi solusi inovatif dalam berbagai industry yang diawali dari pembuatan prototipe sehingga produksi massal. Material ABS (Acrylonitrile Butadiene Styrene) dan PLA (Polylactic Acid) digunakan karena memiliki karakteristik fisik yang kuat dan simplification of the printing process. Namun, tantangan utama dalam 3D printing adalah akurasi dimensi hasil cetakan, yang dapat dipengaruhi oleh parameter proses seperti infill density dan wall loops. Kedua parameter ini memberi pengaruh bagaimana material disusun selama proses pencetakan, yang berdampak langsung pada dimensi akhir produk. Ketidakakuratan ini dapat menyebabkan kerugian materi, waktu, dan biaya, serta mempengaruhi kualitas produk akhir. Tujuan penelitian ini untuk mengevaluasi pengaruh parameter proses tersebut terhadap akurasi dimensi hasil cetakan, guna mengidentifikasi kombinasi optimal yang menghasilkan cetakan terbaik. Metode yang dilakukan secara eksperimental menggunakan 3D printing, bahan fillamen PETG (Polyethylene Terephthalate Glycol) dengan melakukan variasi parameter proses dan pengukuran akurasi dimensi hasil cetakan. hHasil cetakan berupa prototype funnel air velocity karburator sepeda motor. Hasil penelitian menunjukkan bahwa infill density relative kecil memberi pengaruh terhadap perubahan pada dimensi luar, namun pada dimensi ketebalan cenderung meningkat dengan peningkatan jumlah densitas. wall loops memberi pengaruh kestabilan dimensi dan mendekari dengan dimensi referensi diameter funnel air velocity pada 6 wall loops sebesar 72,09 mm.
Pelatihan Perakitan Robot Line Following untuk Penguatan Keterampilan Teknik dan Inovasi di SMK 10 Nopember Jakarta Silvi Ariyanti; Bonitasari Nurul Alfa; M. Sobron Yamin Lubis
IRA Jurnal Pengabdian Kepada Masyarakat (IRAJPKM) Vol 3 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajpkm.v3i3.265

Abstract

The rapid development of technology and industry requires Vocational High School (SMK) students to possess skills in robot assembly and programming to meet labor market demands. SMK 10 November Jakarta needs to equip its students accordingly, considering that the existing curriculum does not fully cover these practical aspects. Therefore, a community service activity in the form of a Following Robot Assembly training was conducted. The goal was to enhance students' technical competence in robotics and foster innovation. The training involved assembly practicum, programming, and simulation, with the application of sustainability principles. The activity was held at SMK 10 Nopember on May 27, 2025, and was attended by 28 students from grades X and XI. The results demonstrated an improvement in students' Line Following Robot assembly skills, evidenced by a 50% increase in scores between the pre-test and post-test. This improvement reflects the growth in students' technical knowledge and confidence in practical design and problem-solving.
Analisis Akurasi Dimensi Prototipe Cetakan Cutting Tools Insert Tri Angle Menggunakan Proses Pencetakan 3D Berbahan PETG Muhammad Sobron Yamin Lubis; Raylan Alexander; Gerard Theodorus; Salma Khaula Bazla; Muhamad Zaki Adika; Rifqi Andika Putra; Silvi Ariyanti; Muhammad Zulkarnain
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.343

Abstract

This study aims to analyze the dimensional accuracy of tri-angle cutting tool insert mold prototipes produced via PETG-based 3D printing. The printing process was carried out with predetermined printing parameters, and the resulting prototipes were measured and compared with the original design dimensions. The evaluation focused on the main dimensions of the insert to determine dimensional deviation and accuracy. The results indicate that PETG 3D printing can produce mold prototipes with satisfactory dimensional accuracy, though minor deviations were observed due to printing parameters and material characteristics. This study is expected to serve as a reference for using 3D printing technology as an efficient, cost-effective alternative for manufacturing cutting tool mold prototipes.
PELATIHAN PERANCANGAN DAN PEMBUATAN KURSI BAR MINIMALIS ERGONOMIS BERBAHAN BESI HOLLOW, BESI NAKO DAN KAYU LAPIS BAGI SISWA SMKN 13 TANGERANG BANTEN silvi ariyanti; I Wayan Sukania
Jurnal Abdi Masyarakat (JAM) Vol. 11 No. 1 (2025): JAM (Jurnal Abdi Masyarakat) - September 2025
Publisher : Universitas Mercu Buana

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

Abstract

Siswa SMKN 13 jurusan teknik pengelasan menjadi target peserta pelatihan. Diketahui bahwa peralatan lab pengelasan belum lengkap. Para siswa hanya mendapatkan teori pengelasan tanpa praktik.  Materi pelajaran mengenai tahapan dalam perancangan produk dan pembuatannya belum diberikan. Bila kondisi ini dibiarkan akan mengakibatkan siswa yang lulus nanti kurang siap terjun ke lapangan mapun berwirausaha. Diskusi dengan wakil guru dan perwakilan siswa menunjukkan  bahwa kegiatan pelatihan untuk  peningkatan keterampilan perancangan dan pembuatan produk teknik sangat diminati. Kegiatan dilaksanakn selama dua hari yaitu tgl 2 dan 3 November 2024. Produk yang dbuat yaitu kursi bar minimalis ergonomis dan fungsionl. Bahan baku yang digunakan yaitu besi hollow, besi nako dan kayu lapis. Peserta diberikan  teori pemasaran, teori perancangan produk dan teori ergonomi serta pemaparan contoh kasus perancangan produk.  Pada tahap praktik,  peserta membentuk kelompok yang akan bekerjasama pada tahapan mewujudkan produk kursi bar.  Berbagai elemen kerja yang dikerjakan yaitu mengukur, memotong, menyerut, mengampelas, merakit, mengelas, menggerinda dan mengecat. Hasil pengisian kuesioner awal dan kuesioner akhir menunjukan bahwa pengetahuan pemasaran, ergonomi dan kemampuan perancangan dan praktik membuat produk meningkat secara signifikan. Kegiatan praktik mempu meningkatkan keterampilan peserta pada berbagai elemen kerja proses pembuatan kursi bar di bengkel pengelasan.
Analisis Pertumbuhan Keausan Pahat Pada Pembubutan Material Mild Steel Muhammad Sobron Yamin Lubis; Abrar Riza; John Michel; Silvi Ariyanti
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 2 No 3 (2023): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v2i3.72

Abstract

The study of wear on tool blades when cutting metal is important because it influences work results and production costs. Increasing metal hardness demands durability and strength of the chisel bit. Long periods of use and high speeds can cause wear, damage the chisel, and affect the quality of the results and production costs. This research uses a CNC lathe with a carbide cutting edge to cut mild steel. The cutting speed varies between 170 to 190 m/min with a cutting pass of 0.3 mm/revolution, a cutting depth of 0.7 mm, and a wear criterion of 0.3 mm. Turning was carried out for 2.5 minutes, then wear was observed using an optical electron microscope. The results show abrasive wear on the side of the chisel blade (flank wear) due to friction. A cutting speed of 190 m/min took 7:25 minutes, 180 m/min took 8:09 minutes, and 170 m/min took 8:36 minutes. This research proves that cutting speed influences wear rates, with wear primarily caused by abrasive friction.
Co-Authors Abrar Riza Adhitian Adhitian Adhitian Adhitian Adianto Adianto Agasha Wiyoso Alif.A.H. Emilza Alifya Askolani Putri Alifya P. A Alifya Putri Askolani Alifya Putri Askolani Alifya Putri Askolani Alvian Hartanto Wijaya Andika, Fidiarta Andrea Sigit Sulaksono Andrian Andrian Andrian Andrian Anjasmara, Peggy Anthony Tanujaya Ardiansyah, M. Irsal Ary Gunaryono Asmirawati Ismail Atica Angelin Bonitasari Nurul Alfa Chandrasah Soekardi CITRA RAMADHANTI, LIFIA Didi Widya Utama Diputera H, Ayra Diputra, Ayra Erry Yulian T. Adesta Fajar Aulia Kurniawan Farida Farida Farida Farida FAUZI Fidiarta Andika Gerard T. Gerard Theodorus Gunaryono, Ary Haerawati Idris, Haerawati Harry Wibowo Harry Wibowo Hasim, Lim Bryant Hasnida Ab-Samat Herry Agung Prabowo Heru Budi Kusuma Husnur, Achmad I Wayan Sukania Irsal, M. Irvan Yapto januar Ismail, Asmirawati Iveline Anne Marie Jesselyn Octavia John Michel Ken, Richard Keven Poul Keven Poul Kevin Timotius Kiki Arifin Kusuma , Heru Budi Lam, Silvester lamto widodo LIFIA CITRA RAMADHANTI Lina Gozali Lina Gozali Lithrone Laricha Salomon Lithrone Laricha Salomon Mishbah Habibillah, Gibran Misnaniarti Misnaniarti Mohd. Zulkifly Abdullah Monika Tangel Muhamad Zaki Adika Muhammad Zulkarnain Muhammad Zulkarnain Nathaniel . Nofi Erni P.A, Alifya. Peggy Anjasmara Popy Yuliarty Puspita Dewi Widayat Putri A, Alifya Raharjo, Yoyok Muji Rama Dinara Raylan Alexander Rayland Resa Taruna Suhada Reynaldi Reynaldi Ricky Miharja Rifqi Andika Putra Sadikin, Michael Salma Khaula Bazla Silvester Lam Silvester. L Siti Rohana Nasution Sobron Lubis Sobron Lubis Sobron Lubis Sobron Lubis Steven Darmawan Steven Darmawan Timotius, Kevin Umi Nurul Solikhah Wardani, Ni Luh Putu Agung Chandra Kusuma Widjaya, Alvian Hartanto Wijaya, Franky Wildan Yoga Pratama Wilson Kosasih Yamin Lubis, M. Sobron Zaskia Azhar Yasmin