PENINGKATAN KUALITAS REAR DERAILLEUR HANGER PADA SEPEDA MULTI GEAR MELALUI PENAMBAHAN UNSUR MAGNESIUM

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Published: Feb 29, 2024
DOI: https://doi.org/10.5281/zenodo.10725225
Keywords:
Aluminium, Magnesium, Rear derailleur hanger, Squeeze Casting, Impact test

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Rama Wijaya Rama
Mahasiswa Program Studi Teknik Mesin Produksi dan Perawatan, Politeknik Negeri Sriwijaya
Firdaus
Jurusan Teknik Mesin, Politeknik Negeri Sriwijaya
Taufikurahman
Jurusan Teknik Mesin, Politeknik Negeri Sriwijaya

Abstract

Rear derailleur is one of the components on a bicycle that functions to replace or change gears/speed by moving the bicycle chain from one wheel to another. In use, the rear derailleur requires an additional component to connect the rear derailleur to the bicycle frame, namely the rear derailleur hanger. Where the rear derailleur hanger is made of aluminum. In its application, the rear derailleur hanger often experiences damage caused by shock loading and breaks due to the collisions that occur. With the squzee casting method, the smelted material is put into the mold cavity which is then pressed using a hydraulic tool when the material is almost frozen with variations in the addition of the percentage of elemental magnesium by 2%, 4% and 5% with a pressure statement of 70 MPa and the melting temperature reaches a point of 660̊ C. In the results obtained the average value of the Impact price is at a composition of 2% magnesium by 0.0357 J/mm2, at a composition of 4% by 0.0951 J /mm2, and 6% composition of 0.0594 J/mm2, it can be observed that the highest addition was produced at a percentage addition of 4% and decreased in value at a percentage of 6%. From the results of the study showed an increase in the value of the value of the raw material that is equal to 0.0178 J/mm2.
 

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How to Cite
Wijaya, R. ., Firdaus, & Taufikurahman. (2024). PENINGKATAN KUALITAS REAR DERAILLEUR HANGER PADA SEPEDA MULTI GEAR MELALUI PENAMBAHAN UNSUR MAGNESIUM. MACHINERY: Jurnal Teknologi Terapan, 5(1), 1–7. https://doi.org/10.5281/zenodo.10725225
Issue
Vol. 5 No. 1 (2024): Machinery: 05012024
Section
Articles
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