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All Journal AUSTENIT Jurnal Desiminasi Teknologi Turbulen : Jurnal Teknik Mesin Kohesi: Jurnal Sains dan Teknologi Jurnal Desiminasi Teknologi
Rita Maria Veranika, Rita Maria
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Automotive Engineering Biochemistry, Genetics & Molecular Biology 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 Other

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Journal : AUSTENIT

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PEMBUATAN MESIN PENGUPAS DAN PEMERAS TEBU: PEMBUATAN MESIN PENGUPAS DAN PEMERAS TEBU Veranika, Rita Maria; Madagaskar, Madagaskar; Aprilyanti, Selvia; Aprianti, Tine
AUSTENIT Vol. 14 No. 1 (2022): AUSTENIT: April 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i1.4600

Abstract

Sugarcane is one of Indonesia's agricultural commodities which is quite large in production, sugarcane processing in Indonesia is usually used as sugar and flavoring, but sugar cane is also used by the community as a raw material for beverages, namely sugarcane ice. Sugarcane grinding machines or sugarcane squeezer machines are using for the process of separating sugarcane juice from sugarcane stem fiber, with the help of a sugarcane squeezer machine it will produce a lot of sugarcane juice, and only requires a short working time. The use of a sugar cane squeezer machine for producing sugar and making ice cane with a small-scale machine, so that it does not require space and a complicated process, this machine is very suitable for small and medium scale sugarcane processing industry. The purpose of this research is to design and manufacture a sugarcane squeezer machine using a combustion engine. The implementation method in the manufacture of this machine uses a propulsion system including combustion motors, pulleys, v-belts, gears, shafts, pegs, rollers and bearings. The results obtained from the design and manufacture of this sugarcane squeezer machine are that the energy and time that have been used are more efficient and the sugarcane processing is faster than manually. The design specifications of the tool are 0.5Hp engine capacity, 220 volt voltage and 2500 rpm rotation. Testing of the sugarcane juice machine is carried out to find out the results of the design can function according to the expected design
THE EFFECT OF DIFFERENT STRUCTURE AND GRADIENT INFILL ON MECHANICAL BEHAVIOR POLYLACTIDE ACID MATERIALS (PLA) Akbar, Imam; Hidayat, M Rizky; Rawani, Dewi; Veranika, Rita Maria; Al-Faritzie, Hariman; Romli, Romli
AUSTENIT Vol. 15 No. 1 (2023): AUSTENIT: April 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i1.6631

Abstract

The purpose of this study is to analyze the effect of our gradient infill on the mechanical behavior of polylactide acid (PLA) materials resulting from 3d printing, which has an impact on the efficiency of material use while still providing good mechanical support. In this study, the specimens were designed using nTopology software and there were 4 variations of the structure, namely square, honeycomb, diamond, and gyroid, each of which was made gradient and non-gradient, then a bending test was carried out to determine its mechanical behavior thats PLA materials. The results of this study indicate that a comparison between specimens with gradient and non-gradient models with 50% porosity can increase the deflection of the specimen, namely square 15.7-19.1 mm, honeycomb 16.3-20.6 mm, Diamond 19.7-21.8 mm, and gyroid 20.3-22.1 mm, with an average deflection of 2.04 mm. In addition, there is a linear correlation of the relationship between thickness to deflection and flexural modulus whereas the thickness value increases, the deflection and flexural modulus will increase. The conclusion of this research is that giving a gradient to the structure can improve mechanical behavior, especially deflection.
Co-Authors Abdul Muin Al-Faritzie, Hariman Aprianti, Tine Badil, M Iskandar Bahrun . Dewi Rawani Fauzie, Muh Amin Fauzie, Muhammad Amin Hidayat, M Rizky Imam Akbar, Imam King, Martin Luther M. Amin Fauzie Madagaskar, Madagaskar R. Kohar, R. Riyanto, Dwi Siswo Romli Romli, Romli Selvia Aprilyanti, Selvia Sukarmansyah Wijaya, Ari