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All Journal AUSTENIT Martabe : Jurnal Pengabdian Kepada Masyarakat Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian Masyarakat IPTEKS Dinamis Al-Ijtima: Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Teknologi Terapan Jurnal Polimesin
Ula, Shofiatul
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering 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 Transportation

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Journal : Dinamis

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EXPOSURE ANALYSIS OF NOISE INTENSITY IN THE MANUFACTURING AREA AT THE JOB TRAINING AND DEVELOPMENT CENTER SERANG Ula, Shofiatul; Listijorini, Erny; Susilo, Sidik; Fakhrizal
DINAMIS Vol. 11 No. 2 (2023): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v11i2.14210

Abstract

Machines in manufacturing areas often cause noise. The noise comes from machine tools such as lathes, milling machines, grinder machines, and other tools that cause sound and vibration so they are prone to causing physical and psychological disorders. This study was to determine and analyze the noise level in three areas and ten points in the manufacturing room of The Job Training and Development Center Serang by the Regulation of the Minister of Manpower and Transmigration of the Republic of Indonesia Number PER.13/MEN/X/2011 with the maximum noise limit that has been set is 85 dBA. As for the results of the ten points, there is a point that exceeds the threshold value, namely at point 6 (85.8) dBA in the lathe area. Every operator in the manufacturing room that has a noise level that exceeds the threshold value must wear personal protective equipment in the form of earplugs or ear muffs that have been provided by the workshop to reduce the noise level.
The Influence of Steel Wool Fiber Length on The Characteristics of The Particle Board Ramadhan, Fikri; Ula, Shofiatul; Sunardi
DINAMIS Vol. 12 No. 1 (2024): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v12i1.16532

Abstract

The use of wood powder can be reduced by a mixture of cinnamon, bamboo powder, and steel wool as a filling of the composite particle board. The length of steel wool in this study was determined by the size, i.e. 2, 4, and 6 mm. The composite composition comparison was 30% cinnamon powder, 30% bamboo Powder, 1% wool steel, 29% PVAc, and 10% epoxy resin. Compression process using the cold press single punch method for 2 hours then post curing process at a temperature of 150 oC for 1 hour. The results of this study show that steel wool length influences the characteristics of the particle board, both physical properties, mechanical properties, and morphological structure.
Study of Contact Surface Roughness on Adhesive Performance in Steel and Aluminium Joints Adviana, Febry; Ula, Shofiatul; Sunardi
DINAMIS Vol. 12 No. 2 (2024): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v12i2.18847

Abstract

Adhesive bonding is a technique widely used in various industries to join materials together. This process provides several advantages over traditional mechanical fastening methods, such as welding or nailing, including improved appearance, weight reduction, stress distribution, and the ability to join dissimilar materials. The advantages of adhesive bonding are simpler assembly, lightweight and lower production costs. This research is one of the developments of the glue adhesive connection method. The materials used in this research are 1100 series aluminium and low carbon steel where both are metals that we often encounter in everyday life. This study aims to analyse the effect of roughness treatment on the surface of each different test specimen using sandpaper with different roughness levels, namely 80 grit, 150 grit and 400 grit. The test conducted in this study was a tensile test to determine the maximum strength of the adhesive strength of each test specimen with ASTM D1002 test standards. The results showed that test specimen A with surface roughness treatment using 80 grit had a tensile strength of 0.2267, test specimen B with surface roughness treatment using 150 grit had a tensile strength of 0.168 and test specimen with 400 grit roughness treatment had a tensile strength of 0.0315.
Co-Authors Abdulah, Basuki Aceng Sambas, Aceng Adviana, Febry Agung Sudrajad Alhamidi, Ahmad Ali Burhani, Ichwan Dewantari, Nustin Merdiana Erny Listijorini Fadwah Maghfurah Fajar Ramadhan, Fajar Fakhrizal Gugun Gundara, Gugun Haryadi - Hermiyetti Hernadewita Ipick Setiawan Irawan, Raka Listijorini , Erny Miftahul Jannah Muhammad Hisyam Muharni, Yusraini Mujiarto, Mujiarto Ni Ketut Caturwati, Ni Ketut Nurwijayanti Permana Pinem, Mekro Ramadhan, Fikri Risnandar, Muhammad Aris Rosyadi , Imron Saefuloh, Iman Sambas, A Septiana, Reski Sidik Susilo Sunardi Sunardi Sunardi Susilo, Sidik Syarif Abdullah Wahyudi, Riyanto Wiyono , Slamet Yuda Permana, Ananto Yusuf , Yusvardi