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All Journal Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Buletin Jalanidhitah Sarva Jivitam
Dahmir Dahlan
Universitas Pancasila
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Veterinary

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Journal : Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi

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Potential of Bamboo as Car Roof Material D. L. Zariatin; Josep Krisdiandi Sibarani; Dahmir Dahlan; Ralf Förster; Ziani Adriant
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3644

Abstract

An effort to achieve SDGs 12# responsible for consumption and production is by optimizing the application of natural recycled materials, such as bamboo, in the automotive industry. Bamboo is a potential insulating material because it has low thermal conductivity. This study used Gigantochloa Atroviolacea as a thermal insulator projected as a car roof. Experiments were performed to identify the effective thermal conductivity. There were two shapes tested: slab and box. The first specimen is a laminated bamboo slab, and the second is a combined slab of laminated bamboo, glass wool, and aluminum foil. Based on the heat transfer calculation, the effective thermal conductivity is 0.21 W/mK and 0.14 W/mK for the laminated bamboo slab and combined slab, respectively. The thermal flow characteristic was analyzed in two box models with different material arrangements. The first box is laminated bamboo and fiber, and the second is laminated bamboo and glass wool. The results show that the first box can insulate heat better than the second. It was concluded that laminated bamboo and bamboo fiber can be used as a substitute for glass wool material. The bending test of laminated bamboo with three different layers was performed according to ASTM D 790. The maximum load was 616 kg for five layers. The bending test showed that laminated bamboo is insufficient as a car roof. Steel plates are still necessary to comply with the requirements of the FMVSS 216 standard.
Perancangan Mesin Pembuat Tepung Jagung Kapasitas 5 kg/jam dengan Metode Pahl dan Beitz Mohammad Galang Adi Prayoga; Dahmir Dahlan; Arif Riyadi Tatak
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa dan Inovasi Volume 5 Nomor 1 Tahun 2023
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v5i1.4143

Abstract

Corn is among the economic prospects supported by the expansion of the feed and food industries. To preserve corn yields, it can be processed into semi-finished products like corn flour. This paper discusses the design of a machine used to manufacture corn flour. Corn flour is the product that can be produced by the machine. The Pahl & Beitz design method is used to develop concepts. SOLIDWORKS Education Version 2019 is the software used to create three-dimensional images. The concept design utilizing the Pahl and Beitz method yields the selection of one concept variant with a weighting value of 4.82. The design of a corn flour making machine with engine dimensions of 800 mm x 450 mm x 1,500 mm uses a 220 V electric motor with a power of 1.5 hp and a rotational speed of 1400 rpm; the diameter of the shaft shaft is 30 mm, and the diameter of the shell shaft is 25 mm; the transmission used is a set of pulleys measuring 5 inches and 10 inches and a v-belt type A measuring 48 inches and The used bearings are of the UCP205, UCP206, and UCF206 types; the corn-shelling method employs a chain; the paddle for flour employs a diskmill; and the flour sieves have a 1 mm diameter hole. The frame is comprised of 40 mm by 40 mm angle iron; based on the results of the frame simulation, the maximum stress of the components is still less than the material's yield stress.
Co-Authors Arif Riyadi Tatak Henry Iskandar Mardyantoro Josep Krisdiandi Sibarani Juliardi Juliardi Maimun Maimun Mohammad Galang Adi Prayoga Ralf Förster Rully Arifin Zariatin, D.L Ziani Adriant