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All Journal JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Journal of Natural Science and Technology Adpertisi: Bidang Sains dan Teknologi
Fahar, Andi Abustan
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Humanities Computer Science & IT Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Other

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TINJAUAN KEKASARAN PERMUKAAN PADA PROSES PERMESINAN BUBUT CNC DENGAN VARIASI PUTARAN Laumma, Muhammad Alwi; Fahar, Andi Abustan
JNSTA ADPERTISI JOURNAL Vol. 3 No. 2 (2023): Juli 2023
Publisher : Aliansi Dosen Perguruan Tinggi Swasta Indonesia (Adpertisi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62728/jnsta.v3i2.439

Abstract

Penelitian ini bertujuan untuk mengetahui tingkat kekasaran permukaan hasil pembubutan mesin bubut CNC dengan variasi putaran. Gerak pemakanan dan kedalaman pemakanan yang kecil maka akan menghasilkan nilai kekasaran yang kecil (lebih halus). Hal ini dapat diketahui dari hasil pengujian kekasaran dimana pembubutan yang menggunakan Variasi putaran 1000 Rpm, dengan Kedalaman Pemakanan 0,5 mm dan gerak pemakanan 1,00 mm/rot (kode K3) menghasilkan nilai kekasaran yang lebih besar yaitu 3,43 µm atau berada pada kelas kekasaran N8 sampai N9. Sedangkan pembubutan yang menggunakan variasi putaran 1500 Rpm, dengan kedalaman pemakanan 0,125 mm dan gerak pemakanan 0,50 mm/rot (kode K7) menghasilkan nilai kekasaran yang lebih kecil yaitu 0,68 µm atau berada pada kelas kekasaran N5 sampai N6. Nilai kekasaran terkecil dari hasil penelitian ini adalah 0,68 µm, dimana nilai kekasaran tersebut dapat digunakan pada perancangan bantalan-bantalan luncur yang perancangannya membutuhkan nilai kekasaran antara 0,40 sampai 0,80 µm.
ANALISIS SIFAT MEKANIK MATERIAL KOMPOSIT BERPENGUAT SERAT KARBON Kajang, Gideon; Fahar, Andi Abustan
JNSTA ADPERTISI JOURNAL Vol. 4 No. 2 (2024): Juli 2024
Publisher : Aliansi Dosen Perguruan Tinggi Swasta Indonesia (Adpertisi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62728/jnsta.v4i2.584

Abstract

This research aims to determine the tensile, Young's modulus and shear modulus values ​​through tensile testing using carbon fiber composite materials. In the tensile test, it was found that the tensile value increased in each variation, namely in the 3 layer and 5 layer variations with a percentage of 18.71% in the 3 layer variation and 48.51% in the 5 layer variation. The Young's Modulus value decreased with each variation, namely the 3 layer variation experienced a percentage decrease of 35.01% and the 5 layer variation experienced a percentage decrease of 9.2%.
Pengembangan Sistem Manajemen Kualitas Berbasis ISO 9001 di Industri Kecil Alwi, Muhammad; Yunus, Kartini; Fahar, Andi Abustan; Kajang, Gideon; Paelongan, Ardi
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 6 No. 5 (2025)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol6iss5pp1262-1271

Abstract

ISO 9001 is an international standard designed to improve an organization's quality management system to ensure operational efficiency and customer satisfaction. Small industries in Indonesia face various challenges in the implementation of these standards, including limited resources, lack of understanding, and resistance to change. Therefore, this study aims to develop a more adaptive ISO 9001 implementation strategy in small industries to improve their business competitiveness and sustainability. The research method used in this study is a literature study with a qualitative approach. Data is obtained from various academic sources such as scientific journals, research reports, and publications relevant to ISO 9001-based quality management systems in small industries. Data analysis was carried out using content analysis and thematic synthesis methods, in order to identify key challenges, success factors, and effective implementation strategies in small industries. The results of the study show that the main factors for the successful implementation of ISO 9001 in small industries are management support, employee training, technology utilization, and collaboration with external parties. Meanwhile, the main barriers found include the high cost of certification, lack of awareness of long-term benefits, and the complexity of documentation. Therefore, a more flexible approach, government incentives, and broader education programs are needed to ensure the successful implementation of ISO 9001 in small industries.
Co-Authors Kajang, Gideon Laumma, Muhammad Alwi Muhammad Alwi Paelongan, Ardi Yunus, Kartini