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Dampak Jumlah Plasticizer dalam Nilai Kekerasan Plastik PVC Manurung, Meilani Mandhalena; Leksonowati, Nur Fitria Pujo; Pamungkas, Nurman; Stefani, Windy; Batubara, Ninda Hardina; Purba, Adi Syahputra
JURNAL INTEGRASI Vol. 16 No. 2 (2024): Jurnal Integrasi - Oktober 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v16i2.8495

Abstract

This paper provides a detailed investigation into the effects of Trioctyl Trimellitate (TOTM) plasticizer levels on the hardness of Polyvinyl Chloride (PVC) materials. The study reveals an inverse correlation between the level of TOTM plasticizer and the hardness of PVC, with an increase in TOTM levels leading to a decrease in hardness. This trend is consistent across various PVC samples, despite minor variations. The role of plasticizers in determining the physical and mechanical properties of PVC is further explored, emphasizing their function in reducing PVC's crystallinity, thereby producing a clearer and more flexible material. This research contributes to the understanding of how plasticizers can be used to tailor the properties of PVC, leading to the development of two distinct types of PVC: Flexible PVC, which contains a plasticizer, and Rigid PVC, which does not. The findings underscore the importance of plasticizers in material design and engineering, offering valuable insights for future applications.
Studi Pengaruh Nilai Availability Mesin Stamping Terhadap Jumlah Hasil Produksi Purba, Adi Syahputra; Leksonowati, Nur Fitria Pujo; Pamungkas, Nurman; Yuniarsih, Nidia; Batubara, Ninda Hardina; Prasetyo, Dimas
JURNAL INTEGRASI Vol. 16 No. 2 (2024): Jurnal Integrasi - Oktober 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v16i2.8536

Abstract

This study aims to analyze the effect of machine availability on production output at PT XYZ. Data collection was conducted from January to March 2024, focusing on machine downtime, total operational hours, and weekly production output. The method used involves the calculation of Mean Time Between Failure (MTBF), Mean Time To Repair (MTTR), and availability, followed by a correlation analysis between availability and production output. The results show a strong correlation between availability and output, with a correlation value of 0.852. In Week 6 and Week 11, machine downtime caused availability to drop to 98.41% and 97.96%, respectively, which directly impacted production output. Based on these findings, it is recommended that PT XYZ improve preventive maintenance and minimize downtime to maintain optimal machine availability and maximize production output
Studi Kasus Kualitas Pengelasan Pada Material A694 F65 Overlay Inconel 625 Claded Menggunakan Metode Kombinasi Gtaw & Smaw Sugondo, Ebeng; Purba, Adi Syahputra; Kms M Avrieldi; Ismiyatun Nurjannah
Jurnal Teknologi Dan Riset Terapan (JATRA) Vol. 7 No. 2 (2025): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v7i2.10531

Abstract

Welding is a method of connecting metal that involves melting a portion of the parent and filler metals until they are liquid enough to fuse. Nowadays, welding is becoming more and more common, particularly in the oil and gas sector. Combining GTAW with SMAW techniques is one of them. Because it can create robust and corrosion-resistant joints, the oil and gas industry frequently uses the combination of GTAW and SMAW welding techniques. The welding procedure on ASTM A694/F65 material covered with Inconel 625 will be covered in this study. While Inconel 625 is resistant to corrosion and stress cracking, A694/F65 steel will offer toughness for applications with low temperature field circumstances. The benefits of the various welding techniques are strategically integrated by this combination of welding procedures. While SMAW delivers great mechanical strength and filling efficiency for the fill to cap weld portions, GTAW will offer superior penetration and surface cleanliness on the root weld. The results of the tests, which included visual inspection, Magnetic Particle Inspection (MPI), and Ultrasonic Testing (UT), demonstrated that no evidence of serious flaws exceeding the acceptance criteria of the cited standards AWS D1.1:2025 for MPI and ASME Section VIII Div. 1 Appendix 12 for UT was discovered. It is anticipated that the study will serve as a guide for the welding procedure on gas and oil pipes.
Implementasi Rotary Biokomposter dalam Pengolahan Limbah Organik Pertanian Kelompok Tani Harapan Sukses Kec. Sekupang Leksonowati, Nur Fitria; Pamungkas, Nurman; Manurung, Meilani; Butar-Butar, Hendra; Batubara, Ninda; Purba, Adi Syahputra; Stefani, Windy; Wijayanti, Ita; Rahman, Kholilur; Tambunan, Efraim
Jurnal Malikussaleh Mengabdi Vol. 5 No. 2 (2026): Jurnal Malikussaleh Mengabdi, April 2026
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v5i2.25498

Abstract

Pengabdian masyarakat ini bertujuan untuk mengimplementasikan teknologi rotary biokomposter dalam pengolahan limbah organik pertanian di Kelompok Tani Harapan Sukses, Kecamatan Sekupang, Kota Batam, yang didominasi tanah ultisol dengan kesuburan rendah dan keasaman tinggi. Melalui pendekatan Project Based Learning (PBL), kegiatan dimulai dari observasi lapangan dan identifikasi masalah, diikuti desain ergonomi serta fabrikasi alat menggunakan bahan seperti drum berputar, blade pengaduk, dan sistem aerasi. Pelatihan langsung kepada petani mencakup pengoperasian alat, proses pengomposan, dan pemeliharaan, menghasilkan kompos berkualitas tinggi yang dapat meningkatkan struktur tanah, ketersediaan nutrisi, serta produktivitas pertanian berkelanjutan. Meskipun menghadapi kendala seperti keterbatasan material, waktu pelaksanaan, dan variasi pemahaman teknis, program berhasil mengurangi ketergantungan pada pupuk kimia, mitigasi emisi gas rumah kaca, dan mendukung pencapaian Sustainable Development Goals (SDGs) terkait pengurangan limbah serta ketahanan pangan.
Perancangan Desain dan Simulasi Alat Screening Tray Carrier pada proses Cleaning and Inspection Manurung, Agnes Br; Purba, Adi Syahputra; Andaresta, Windy; Setyanang, Lovan; Ningsih, Tiwi Gustria
Jurnal INOVATOR Vol. 9 No. 1 (2026): Jurnal INOVATOR-On Progress
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/exrh3m85

Abstract

Penelitian ini bertujuan untuk merancang dan mensimulasikan alat Screening Tray Carrier yang digunakan untuk mendukung proses Cleaning and Inspection pada IC Tray. Penelitian ini dilakukan di PT. XYZ, sebuah perusahaan multinasional yang bergerak dalam bidang semikonduktor, khususnya dalam proses perakitan dan pengujian Integrated Circuit (IC). permasalahan yang diangkat adalah tidak standarnya penanganan IC Tray yang berpotensi menyebabkan kerusakan fisik dan tidak sesuai dengan prinsip Greenline yang diterapkan oleh perusahaan. Perancangan alat dilakukan menggunakan perangkat lunak Solidwork, kemudian dilakukan simulasi visualisasi melalui Motion Study dan analisis kekuatan struktur menggunakan pendekatan Finite Element Analysis (FEA). Motion Study digunakan untuk menggambarkan bagaimana alat bekerja dalam kondisi operasional, sedangkan FEA digunakan untuk mengetahui tegangan, perpindahan, regangan, dan faktor keamanan struktur saat menahan beban 1 lot IC Tray (3,2kg). Hasil simulasi menunjukkan bahwa alat memiliki distribusi tegangan maksimum sebesar 7,014 MPa dan perpindahan maksimum 0,699 mm, regangan maksimum 0.01, dengan Factor of Safety nya sebesar 20. Simulasi Motion Study menunjukkan bahwa alat berfungsi secara fungsional sesuai dengan kebutuhan operasional. Dengan demikian, alat ini dapat menjadi solusi efektif dalam meningkatkan efisiensi, keamanan, serta keteraturan proses handling IC Tray sesuai standar Greenline pada PT XYZ.
Co-Authors Adhe Aryswan Adhitomo Wirawan Aditya Dwi Putra Fajar Ahmad Farhan, Ahmad Ahmad Hamim Thohari Amalia, Mutia Andaresta, Windy Annisa Fyona Ari Wibowo Baehaqi Batubara, Ninda Batubara, Ninda Hardina Budiman Budiman Butar, Hendra Butar Butar-Butar, Hendra Cahyo Budi Nugroho Cuana, Rona Danang Cahyagi Dimas Prasetyo Dupan, Pandi Dzulfikar, Mohamad Alif Erna Juwita Fajrin, Aulia Good Rindo Hanifah Widiastuti Hermawan, Muhammad Ghandy Razzaki Irdia Raihan, Haura Ismiyatun Nurjannah Ita Wijayanti Juliarni Kholilur Rahman, Kholilur Khollilurrahman, Kholillurrahman Kms M Avrieldi Lalu Giat Juangsa Putra Leksonowati, Nur Fitria Leo Van Gunawan Louisa Riaunal Sitompul, Dharma Manalu, Ari Angga Manurung, Agnes Br. Manurung, Meilani Manurung, Meilani Mandalena Marbun, Abri Andry Saresa Mega Fatimah Rosana Mega Gemala Meilani Mandhalena Manurung Mohamad Alif Dzulfiqar Mufariz, Mufti Fathonah Mufti Fathonah Muvariz Muhammad Zaenuddin Mutiarani Mutiarani MUTIARANI MUTIARANI Muvariz, Mufti Fathona Natanael Tampubolon, Franssius Naufal Abdurrahman Prasetyo Nidia Yuniarsih Ningsih, Tiwi Gustria Nugroho Pratomo Ariyanto Nur Fitria Pujo Leksonowati Nurman Pamungkas Nurul Fadilah, Nurul Nurul Laili Arifin Nurul Ulfah Putra, Gelby Anggara Rafly, Stevian Rahman Hakim Ramadhan, M. Noviriandi Rangga Saputra Ritonga, Fatima Sari Rohmat, Abdul Roza Puspita Sapto Wiratno Satoto Setyanang, Lovan Simanjuntak, Jefri Kemri Rodi Samuel Sugondo, Ebeng Tambunan, Efraim Windy Stefani Yusri Aksyaputra, Muhammad