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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Mesin Jurnal Teknologi Dirgantara Journal of Renewable Energy and Mechanics Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Industrial Research Workshop and National Seminar Inovtek Seri Mesin

Bintoro, Carolus

Politeknik Negeri Bandung

Author-ID : 687605

Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Microstructure and Mechanical Properties of Pack Carburized AISI 1020 Steel Using Na2CO3 and CaCO3 Catalysts Abdul Karim; Ilham Azmy; Silviani Qotrunnida Khoiriah; Carolus Bintoro
Journal of Renewable Energy and Mechanics Vol. 5 No. 02 (2022): REM VOL 5 NO 02 2022
Publisher : UIR PRESS

AISI 1020 steel is categorized in low carbon steel which widely used for automotive parts industry and construction because its characteristic like high ductility, relatively low hardness value, and high formability. In continuously usage for long time, this steel tends to be worn down because its low surface hardness value. The surface hardness is congruity to wear resistance of AISI 1020 steel. In this research, the experimental method of pack carburizing process was carried out by heating AISI 1020 steel samples packed along charcoal with catalysts variation of Na2CO3 and CaCO3 till temperature 900 oC and hold it for 4 hours to effect diffusion carbon mechanism in surface treatment. Thereupon, AISI 1020 steel samples was fast cooled by using distilled water. The selection of different catalyst variation according to diffusion capability which will be expected to enhance AISI 1020 steel’s microstructure and mechanical properties. From this research, it obtained that pack carburized AISI 1020 steel using Na2CO3 possesses significant microstructure transformation which will affect to the highest hardness value increment (505,4 HV) and the lowest wear rate decrease (0,00821 mm3/minute). Thereby, pack carburized AISI 1020 steel using Na2CO3 also exhibits good wear resistance characteristic so that can be used in long lifetime.

Aplikasi Desain Generatif Pada Rangka Sepeda Dengan Menggunakan Perangkat Lunak Solidworks dan Matlab Simulink Muhammad Ilham Baihaki; Carolus Bintoro
INOVTEK - SERI MESIN Vol 2, No 1 (2021)
Publisher : Politeknik Negeri Bengkalis

This research discusses the application of generative design on mountain bike frames using Solidworks and MATLAB Simulink software. The topic is taken from the problem of the inertial force that occurs in the structure of a mountain bike due to the dynamic forces that work. In the implementation, several things were carried out, namely the first to design the geometry of the mountain bike frame and determine the static load using solidworks software. Second, bicycle track modeling and dynamic load determination method using MATLAB simulink software. Third, numerical simulation on mountain bike frames with static and dynamic loads using solidworks. Thus, in this research a computational study was carried out using Solidworks and MATLAB simulink software. From the computational study, the results of different dynamic forces are obtained at each loading. At a maximum of mass of 90 kg the rider produces a static force of 1695,1 N and a dynamic force of 36,78 N. Under these loading conditions, a positive margin of safety is obtained so that the frame design of a mountain bike is declared safety.Keywords: Generative, Bike Frame, Solidworks, MATLAB simulink

Pembuatan Rangka Sepeda Karbon Epoxy Komposit Dengan Modifikasi Teknik Lay-Up Pada Metode Laminasi Basah Deva Muhammad Sachio; Carolus Bintoro
INOVTEK - SERI MESIN Vol 2, No 1 (2021)
Publisher : Politeknik Negeri Bengkalis

In this day, composites has been widely used. Composites are used to reduce weight and increase the strength of the bicycle frame while minimizing costs. This is because composites are known as strong and lightweight materials. Apart from that, the costs incurred when making composites are much cheaper than using aluminum alloy material to make bicycles. One type of composite that is suitable for use in problems that exist in bicycle frames is composite carbon fibre combined with epoxy resin. Therefore, in this final project the author will make a bicycle frame using a composite material with a combination of fibre in the form of carbon fibre and a matrix in the form of epoxy resin. In the manufacturing process, the author also made modifications to the technique of making the bicycle frame. The method used is the wet lamination method, while the modification made is the process where the wet lamination is carried out in the direction of the rolled fibre. In the end, identification will be carried out by comparing the bicycle frame made with carbon composite material and the conventional bicycle frame made with aluminum alloy material. Keywords : Bicycle Frame, Carbon Composite, Wet Lamination Method

Co-Authors Abdul Karim Aef Hidayat Andang Yulianto Ardhi Bebi Laksono Bagiasna, Komang Deva Muhammad Sachio Djoko Suharto Fathurrohman Nurdin Ilham Azmy Komang Bagiasna M. Ilham Muhammad Ilham Baihaki Nelli Anggreyni Pandu Iqbal Dirgantara Puspa Wandani Rio Renaldi Sholikin Sholikin Silviani Qotrunnida Khoiriah Suharto, Djoko Valeri Maria Hitoyo Wuwung, Vicky Zainal Abidin Zainal Abidin

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