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All Journal Rotasi Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN JURNAL INTEGRASI Jurnal Teknologi dan Riset Terapan (JATRA) Journal of Engineering and Applied Technology Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam J-ENSITEC (Journal of Engineering and Sustainable Technology) Journal of Applied Mechanical Technology (JAMET)
Pamungkas, Nurman
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Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : JURNAL INTEGRASI

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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 Pembuatan Procedure Qualification Record untuk Repair through Thickness pada S355 KT0 Stefani, Windy; Leksonowati, Nur Fitria Pujo; Pamungkas, Nurman; Nugroho, Cahyo Budi
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.v16i2.8530

Abstract

This research aims to develop a Procedure Qualification Record (PQR) for Repair Through Thickness on S355 KT0 material using the GTAW method for the root, SAW for filler and capping. The welds were repaired using gouging and grinding before undergoing repair welding with the SMAW method. The study employed experimental methods with Non-Destructive and Destructive tests following AWS D1.1 and Client Specification MHK-COMP-SPE standards. The test results indicate defect-free welds that meet AWS D1.1 standards in terms of mechanical properties such as tensile strength, bending, impact, and hardness. The tensile strength values reached 609 MPa (longitudinal specimen) and 539 MPa and 540 MPa for transverse specimens. The lowest impact test value was 139J in the fusion line +2 mm repair to original welds area. The peak hardness test value was 240 VHN in the HAZ (repair to original weld) region. The test results were also used to formulate a PQR that aligns with specific requirements. This research is expected to provide guidance for performing repair welding on S355 KT0 material.
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
Co-Authors Adhe Aryswan Adimas, Adimas Agung Saputra Ali, Sulaiman Ari Wibowo Arif, Zainal Ariyanto, Nugroho Pratomo Baharudin, Budi Batubara, Ninda Batubara, Ninda Hardina Budiman Budiman Butar, Hendra Butar Cahyagi, Danang Cahyo Budi Nugroho Dimas Prasetyo Dupan, Pandi Dzulfikar, Mohamad Alif Dzulfiqar, Mohamad Alif Fajrin, Aulia Fyona, Annisa Gemala, Mega Gianluca Fenta, Sandro Giat Juangsa Putra, Lalu Hendra Saputra Husen Irawan, Benny Haddli Jayawarsa, A.A. Ketut Juangsa Putra, Lalu Giat Kamsyah, Domi Khollilurrahman, Kholillurrahman Leksonowati, Nur Fitria Leksonowati, Nur Fitria Pujo Leo Van Gunawan Manurung, Meilani Manurung, Meilani Mandalena Manurung, Meilani Mandhalena Mufariz, Mufti Fathonah Mutiarani , Mutiarani Mutiarani Mutiarani Muvariz, Mufti Fathonah Nidia Yuniarsih Nurul Fadhilah Nurul Laili Arifin, Nurul Laili Pujo Leksonowati, Nur Fitria Pujo, Nur Fitri Purba, Adi Purba, Adi Syahputra Puspita, Roza Rahman Hakim Restu, Fedia Reynaldi, Muhammad Ryan Rosbandrio, Wowo Saputra, Ihsan Siregar, James Sriyanto Sriyanto Stefani, Windy Surawan, Surawan Syafii, Muhamad Ulfah, Nurul Widiastuti, Hanifah Widodo Widodo Widodo, Syamsul Bahri Wijayanti, Ita