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Armila Armila
Fakultas Teknik, Universitas Muhammadiyah Sumatera Barat
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering Social Sciences Other

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ANALISIS PERUBAHAN LAJU TEMPERATUR TUNGKU FORGING PORTABLE DENGAN PEMBESARAN 5 CM BUKAAN LUBANG PEMBAKARAN Ongki Prima Widodo; Armila Armila; Rudi Kurniawan Arief
Ensiklopedia Research and Community Service Review Vol 1, No 3 (2022): Vol. 1 No. 3 Jilid 1 Juni 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

A metallurgical furnace is needed in the metal forming process, a portable forging furnace is an installation tool specifically designed for metal heating, for the plastic deformation process in the forging process in the material technology laboratory. This heating furnace was made by Feriadi Sidik with an initial opening of 50 mm diameter, only capable of reaching a temperature of 3000C with a hole position of 15:85 cm. the inability of this furnace to reach temperatures greater than 10000C which causes the practicum process to be hampered, therefore modifications were made by widening the combustion opening from 50 mm to 100 mm. Enlargement of these openings results in a change in compressor pressure which results in a change in the air flow rate so that the temperature propagates up. The increase in temperature is measured from changes in the compressor speed and the resulting temperature at the initial pressure (P= 17.2km/h, T= 309.20C), and the final pressure (P=23.2km/h, T= 14320C), with testing time for from 30 seconds to 300 seconds. From the modification results, it is proven that by increasing the opening of the combustion hole, it can produce a change in the temperature rate. This modified furnace can be used to heat low carbon steel and high carbon steel for the forging process. Keywords: Furnace, Modification, Forging, Temperature, openings
PERANCANGAN MESIN PENGUPAS KULIT KOPI BASAH Fahrul Rozi Siregar; Armila Armila; Rudi Kurniawan Arief
Ensiklopedia Research and Community Service Review Vol 1, No 3 (2022): Vol. 1 No. 3 Jilid 1 Juni 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

Kopi merupakan minuman terlaris di kalangan komunitas teratas dan merupakan minuman terlaris. Sipirok, suatu tempat penghasil kopi terbesar dibagian Sumatera Utara dan kopinya sudah terbit di manca negara. Perancangan mesin pengupas kulit kopi basah, merubah sistem pengelolahan pengupasan kulit kopi dari metode manual sampai bergerak menggunakan alat penggerak. Sehingga dapat memenuhi kebutuhan pasar. Perancangan pengupasan kulit kopi dengan mesin penggerak dinamo motor listrik 1 phase spesifikasi ukuran 1/4 HP, kecepatan 2800 rpm, kekuatan arus 220/380 volt, daya listrik 180 watt. Mampu mengupas kulit kopi basah dengan 1kg kopi dengan waktu 78 detik. Perancangan dengan material baja ASTM A.36 dengan sisi sambungan menggunakan las dan baut, mata potong menggunakan plat alumanium , transmisi dengan menggunakan rantai dan v-belt dan untuk pemisah antara biji dan kulit adalah alumanium cor. Hasil pengupasan kulit kopi dengan hasil percobaan tertinggi dilakukan pengaturan terhadap dimmer dengan daya masuk aliran listrik yang tinggi 1588 rpm dan mendapatkan hasil yang terkelupas sempurna 78% maka dapat diketahui yang tidak terkelupas sempurna sebesar 22%. Setelah melakukan pengujian perancangan alat pengupas kulit kopi basah di dapatkan hasil bahwa pengupasan kulit kopi dapat berjalan dengan baik, namun pada hasil penggilingan masih ada kulit kopi yang masih menempel pada kopi. Kata Kunci : Kopi-basah, daya, mata-potong, transmisi, dinamo
ANALISIS KEKUATAN RANGKA MESIN PENGUPAS KULIT KOPI MENGGUNAKAN SOFTWARE SOLIDWORKS DENGAN METODE ELEMEN HINGG Muhammad Fahmi; Armila Armila; Rudi Kurniawan Arief
Ensiklopedia Research and Community Service Review Vol 1, No 3 (2022): Vol. 1 No. 3 Jilid 1 Juni 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

The design of the wet coffee peeler machine carried out by Fahrul Rozi Seregar requires specific calculations of the lifting strength both against stress, strain and safety of factors. This analysis determines the performance capability of the machine on the ASTM A36 material used in the frame, which is safe for long-term use. Therefore, calculations were carried out on the framework using the finite element method assisted by the 2014 Solidworks software. In order to facilitate this test, model validation was carried out which aims to get the percentage of manual and theoretical calculations. Then the results obtained, the determination of the x,y and z axis points obtained a difference in calculation of 0%, 015,% and 0% and the determination of the safety factor for the U 450mm profile with a load of 80N obtained a difference of 0.018% then the results of the safety of the factor U profile 420mm with a load 58.666N and 21.333N, the difference in calculation is 0.030%, 0.011%, after that bending testing is carried out and BMD (Bending Moment Diagram) is obtained which is the engineering section that handles problems with the ASTM A36 material structure on the frame, the calculation difference is 4.68%. So from The difference between manual and theoretical calculations is the largest 4.68% in bending testing and at least 0% is obtained in determining the midpoint of the U profile with respect to the x and y axes. Keywords: frame, Stress, safety of factors, ASTM A36, finite element method.
ANALISIS PERUBAHAN ALIRAN PANAS DENGAN MODIFIKASI BUKAAN TUNGKU RE-HEARTING PORTABEL UNTUK PRATIKUM LABORATORIUM TEKNOLOGI MATERIAL Rama Febrian; Armila Armila; Rudi Kurniawan Arief
Ensiklopedia Research and Community Service Review Vol 1, No 3 (2022): Vol. 1 No. 3 Jilid 1 Juni 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

Metallurgical furnaces are needed in the metal forming process, the furnaces that have been analyzed by Ongki prima widodo are only capable of reaching the highest temperature of 1400oC, with a long burning process, a modification was made by moving the furnace openings in a ratio of 30:70cm to 15:85cm. Changes in the position of the openings are expected to increase the heat flow to the compressor pressure rate, so that the heat flow easily propagates and the temperature rises. With changes in the position of the opening and enlargement of the hole, where the initial temperature of 300oC increases to 1432oC, with a time of 300 seconds, so that the rate of heat change is equivalent to the rate of change of compressor pressure of 38.6 km/h with a temperature change of 713oC. Testing the furnace with the addition of compressor pressure and measuring the rate of change of temperature. From the measurement results, the heat flow changes from 3000C to 14320C, within 30 seconds to 300 seconds. The results of data collection obtained air pressure (P) 18.2 km/h, 19.3 km/h, 20 km/h, 22.5 km/h, 38.6 km/h. The results of the analysis within 30s with an air pressure of 18.2 km/h obtained a temperature of 305.8oC an increase in temperature, 38.6 km/h air pressure obtained a temperature of 713.5oC, at a time of 300 seconds with an air pressure of 18.2 km/h. h obtained a temperature of 665.3oC the increase in temperature. Pressure 38.6 km/h obtained a temperature of 1110oC. This modification of the furnace opening changes can reach a final temperature of 1432°C.Keywords: furnace re-heating, heat transfer,temperature and forging.
Co-Authors Fahrul Rozi Siregar Muhammad Fahmi Ongki Prima Widodo Rama Febrian Rudi Kurniawan Arief