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All Journal Rotasi Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Jurnal Teknik Mesin Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Jurnal Keselamatan Transportasi Jalan
Novianto, Arief
Politeknik Keselamatan Transportasi Jalan
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Journal : Rotasi

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Brake Drum Temperature Adjustment and The Brake Lining Gap's Impact On Motor Vehicle Brake Efficiency Novianto, Arief; Turasno, Buang; Ismail, Rifky; Achmaditiya, Galuh
ROTASI Vol 26, No 2 (2024): VOLUME 26, NOMOR 2, APRIL 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.2.23-28

Abstract

Brakes are a key component in motor vehicle systems that play a vital part in decreasing the likelihood of accidents on the road. Improper component adjustment in the brake system, particularly with drum brakes, can cause the brakes to perform inefficiently. This research aimed to determine the effects of significant variations in drum brake and brake lining temperature on motorized vehicle braking efficiency. The brake lining gap size and the drum brake's temperature are controlled in this study's experimental setup.  From these various modifications, the main braking efficiency was verified using a brake tester. The brake lining gap is 0.3 mm, 1 mm, and 1.7 mm. Meanwhile, the brake drums' temperatures have been adjusted to 30, 90, and 150 degrees Celsius. The results show that braking efficiency decreases with increasing brake lining gap. The effectiveness of the drum brake decreases as the temperature rises. Meanwhile, the fluctuating brake lining spacing and temperature also affect braking efficiency. The brakes' effectiveness decreases with increasing distance between the drum brake's lining and temperature.
Karakteristik Kampas Rem Dari Komposit Serbuk Arang Tempurung Kelapa dan Serbuk Tulang Sapi Novianto, Arief; Ismail, Rifky; Saputra, Bagus Ari
ROTASI Vol 25, No 3 (2023): VOLUME 25, NOMOR 3, JULI 2023
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.25.3.52-58

Abstract

The number of vehicles being added in Indonesia is increasing every year, so the demand for auto parts is bound to increase as well. The brake pad is one of the most significant and rapidly changing components. Asbestos regulations begin to restrict brake linings. Asbestos brake pads are being phased out in favor of more environmentally friendly or asbestos-free alternatives since they constitute a health and environmental risk. This is why it is suggested that brake pads be made from asbestos-free materials. One of them is to develop the application of a mixture of coconut charcoal powder and cow bone powder as a composite material for brake pads. In addition to coconut shell charcoal and beef bone, other materials used to make composite brakes are aluminium powder, epoxy resin and MgO. These materials are printed by hot pressing at 180°C. This was an experimental research in which three different preparations were modeled. Furthermore, composite brake pads are evaluated for hardness, wear, and heat resistance in order to determine the optimal model. According to the test results, sample 1 has the maximum hardness value of 71.44 HV. Sample 1 has the lowest abrasion value of 2.62 mm2/kg, making it difficult to wear. In the heat resistance test, all three samples meet the SAE J661 requirement because the surface is not damaged during the 360°C test, such as stamping, cracking, puncture, or warping. Thus, sample 1 is the best of the three, with the highest hardness value, the least abrasion, and no damage in the heat resistance test.
Co-Authors A. Siswono Achmaditiya, Galuh Agus Siswono Ahmad Basuki Ayondya, R. Bambang Istiyanto El Tosi, Vinno Eska Fahmadi, Aat G. Gunawan, G. Pratama, Mahardhika Putra Rifky Ismail Saputra, Bagus Ari Turasno, Buang