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All Journal Rekayasa Mesin INVOTEK: Jurnal Inovasi Vokasional dan Teknologi JTT (Jurnal Teknologi Terapan) Journal of Engineering and Scientific Research (JESR) International Journal of Applied Technology Research METAL : Jurnal Sistem Mekanik dan Termal Industrial Research Workshop and National Seminar
Agus Sifa
Politeknik Negeri Indramayu
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Transportation Other

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Journal : INVOTEK: Jurnal Inovasi Vokasional dan Teknologi

 1 
Material Selection and Analysis of Torsional Rigidity in Formula Student SAE regulation Felix Dionisius; Imam Nur Arif; Tito Endramawan; Agus Sifa; Badruzzaman Badruzzaman
invotek Vol 22 No 2 (2022): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v22i2.1024

Abstract

The advancement of automotive technology is rapid in this era, as evidenced by the existence of autopilot vehicles that have been developed by a scientist. This progress is balanced with the knowledge that continues to develop in the world of education. Many prestigious automotive competitions are held to be a venue for student creativity and research in developing automotive technology, one of which is the Formula Student SAE. This is the background of a study to develop an engineered electric vehicle chassis, especially in Formula Student. This study aims to produce a chassis design that has torsional rigidity based on the selection of materials that have stiffness, strength, lightweight, and optimization of material cost. The structure of the vehicle was designed following Formula Student SAE regulations. To select material, initial screening was used by the Ashby method which produce 4 material types. Optimum of selecting the material used the Simple Additive Weighting (SAW) method. Meanwhile, chassis with material selected was analyzed by using Solidworks Simulation Education software. The results of this study produced Aluminum Alloys 7075-T6 material and torsional rigidity value of 552.65 x 103 Nmm/degree of chassis, which could achieve the minimum torsional rigidity value set at 500 x 103 Nmm/degree.
Design and Build Low-Cost Power Hammer Machine Based on Throttle Stomp Agus Sifa; Tito Endramawan; Dedi Suwandi; Ibnu Farhan; Rivay Febrio Maulana
invotek Vol 22 No 3 (2022): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v22i3.1065

Abstract

Metal forming uses plastic deformation to change the shape of the workpiece. Deformation or change in shape results from the use of a tool which is usually called a die. The die provides stresses that exceed the yield strength of the material (plastic). The forging process is one of several types of metal forming. A power hammer machine is a machine used for the formation of a product in the manufacturing process, namely with a system of continuous forging/pressure on the specimen so that the deformed specimen becomes denser and stronger according to the desired shape. The forging process is superior to other processes such as casting and machining. The effectiveness of the forging process is characterized by low costs, high productivity, and high product quality. The cold forging process needs to be improved to reduce the occurrence of fine cracks and defects. The main factor is the quality of forging results by planning the design and production of the right die, improving product quality, and reducing the number of defective products to encourage industrial competitiveness. The method in this research is the process of making the design and calculation of the main components and making the power hammer machine. The results of the design and manufacture of the power hammer machine obtained that the impact force from the design was 58.3 Kg, the rotation of the drive shaft to drive the hammer was 206.5 Rpm, the diameter of the driving shaft was 12.36 mm with the one made of 16 mm, the torque on the driving motor was 77.9 Nm, the minimum power designed is 2.2 hp with a rotation of 2800 Rpm, and is selected for the manufacture of 3 Hp, the electrical system is on / off using a throttle stomp.
Co-Authors A. Sumarudin Alam Aulia Rachman Badruzaman Badruzaman Badruzzaman B Badruzzaman Badruzzaman Caripan Caripan Dedi Suwandi Delffika Canra Didi Wahyudi Emin Haris Fitriani Fitriani Ibnu Farhan Ikbal Dwi Pangga Imam Nur Arif Indrawan Nurahman Kurniawan B. N M. Galang Adi Prayoga Mahrul Mahrul Maula Zia Al-fath Meri Rahmi Mohamad Adib Ichwan Muhamad Yoman Abdurohman Afdloil Rachmatullah - Rivay Febrio Maulana T Endramawan Tito Hendrawan