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All Journal Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan Jurnal Polimesin
Husman Husman
politeknik manufaktur negeri bangka belitung
Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Evaluation of hardness and dry sliding wear performance of Al/BA-silica sand composites as brake friction materials. Sukanto Sukanto; Erwanto Erwanto; Husman Husman; Erwansyah Erwansyah; Rodika Rodika; Yudi Oktriadi; Eko Yudo; Ardiansyah Ardiansyah
Jurnal Polimesin Vol 24, No 3 (2026): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i3.8952

Abstract

As many as 70 countries have banned the use of asbestos-based materials because its fine, lightweight fibers are easily inhaled by humans, causing lung cancer, particularly mesothelioma, which can be fatal. This study aims to determine the effect of a silica sand and boiler ash reinforcement alloy on the application of non-asbestos aluminum matrix composite brake pads. This research uses a powder metallurgy method with varying reinforcement weight ratios, namely 8%, 10%, 12%, and 14% by weight. The mixing process is carried out through mechanical alloying using a horizontal ball mill at 90 rpm with a BPR ratio of 10:1. Hot compaction at 300°C was varied at a pressure of 5000-5300 PSI, followed by sintering at 580°C. Density, hardness, and wear were tested using ASTM standards, which were then compared with the brake lining standard SNI-09-0143-1987. Microstructural characterization was performed using SEM to determine the extent of interlocking bonds in the composite. The results showed that the 12wt% composition at 5200 PSI produced the best properties, with a density of 2.121 g/cm³, a hardness of 93.628 HB, and a wear of 0.0193 mm³/Nm. SEM images showed more uniform interlocking bonds compared to other variations. Increasing the compaction pressure was proven to increase density, hardness, and wear resistance. Overall, this study successfully produced environmentally friendly composite brake linings based on Silica Sand Powder and Boiler Ash without using asbestos materials.
Analisis dan Simulasi Mesin Pencetak Keripik Telur Cumi Ricky Tri Putra Ananda; Husman Husman; Yudi Oktriadi
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.405

Abstract

Squid egg chips are one of the typical foods of Bangka Belitung, which are still produced manually, making them inefficient in terms of time and energy. Manual production of squid egg chips in Bangka Belitung faces challenges in terms of efficiency and product consistency. This study aims to design and simulate a squid egg chip molding machine using a systematic approach based on the VDI 2222 method. The stages include needs analysis, concept development, technical design, and evaluation through load simulation using software such as Fusion 360 and MD Solid. The developed machine has an electric motor drive system, pulley and belt transmission, and main components such as a hopper, dough press screw, and dough mold. The simulation results show that the machine design works well and can withstand an operational load of up to 118.87 N, equivalent to ±12 kg. The system can be operated by one person with more efficient production time compared to the manual method. However, the dough cutting mechanism still needs improvement to achieve a uniform and aesthetically optimal chip shape.
ANALISIS PENGARUH TEMPERATUR DAN MEDIA PENDINGIN TERHADAP SIFAT KEKERASAN DAN KETANGGUHAN BAJA S45C PADA PISAU CRUSHER Bagus Ilham Pramudya; Ariyanto Ariyanto; Husman Husman
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 2 No. 01 (2022): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

The crusher blade is the part that is used to decompose plastic waste. The crusher blade needs to be worked on to change the mechanical properties of the material to maintain resistance, namely by working on the heat treatment process. In this study, the researcher used steel material with JIS S45C grade of medium steel. Researchers will vary the hardening temperature, namely 800°C, 840°C, 880°C with cooling media using salt water, oil, and sea water. then proceed with the tempering process with a temperature of 500°C. The tests in this research are hardness testing and toughness testing. The purpose of this study is to find the highest optimal value and find out which variables have the most influence on the results. From the results of hardness testing, the highest value is found in salt water with a temperature of 880°C at 36.86 HRC and for toughness testing which has the highest value is found in oil cooling medium with a temperature of 800°C at 1.2015 joule/, and of the two variables that have the most influence on the results of hardness and toughness testing, namely the cooling medium.
Co-Authors Ardiansyah Ardiansyah Ariyanto Ariyanto Bagus Ilham Pramudya Eko Yudo Erwansyah, Erwansyah Erwanto Erwanto Oktriadi, Yudi Ricky Tri Putra Ananda Rodika Sukanto Sukanto