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All Journal Geo Media: Majalah Ilmiah dan Informasi Kegeografian Jurnal Ilmiah WUNY Tunas Geografi Swara Bhumi Pendidikan Geografi Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Warta Perpustakaan Pusat Undip JURNAL EDUCATION AND DEVELOPMENT JURNAL PENDIDIKAN TAMBUSAI Jurnal Inovator JURNAL REFORMASI ADMINISTRASI Jurnal Ilmiah untuk Mewujudkan Masyarakat Madani GEOGRAPHY : Jurnal Kajian, Penelitian dan Pengembangan Pendidikan JURNAL GEOGRAFI Geografi dan Pengajarannya International Journal of Social Learning (IJSL) Jurnal Otoranpur ARMATUR : Artikel Teknik Mesin dan Manufaktur Improvement: Jurnal Manajemen dan Bisnis Indonesian Journal of Contemporary Multidisciplinary Research Geographica: Science and Education Journal GeoEco Geosfera Indonesia

EKO BUDIYANTO

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Author-ID : 244548

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Pengaruh diameter sudu terhadap kinerja turbin angin berporos horizontal Rudiyanto, Rudiyanto; Budiyanto, Eko; Kurniawan, Rubi; Sumosusilo, Joko
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 1 No. 1 (2020): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Fossil energy is a limited and non-renewable source of energy, therefore it is necessary to look for alternative energy solutions that are not available and can be updated. Another reason is to reduce the impact of pollution caused by the use of fossil energy. As we all know, the biggest source of pollution in the world comes from exhaust gas/fossil fuel emissions. These plants can convert wind energy into electrical energy using wind turbines or windmill. The electricity generation system using wind as an energy source is an alternative system that is very rapidly developing, considering that wind is an energy that is not limited in nature. The purpose of this study was tested using three blades, varying the diameter with a slope of 150, namely to determine the effect of blade diameter on the power produced by the turbine and the efficiency of the horizontal shaft wind turbine. The turbine power testing method is done manually by using 2 spring balance which is associated with the belt, v-belt, then the v-belt is associated with an 8 cm diameter pulley that is on the turbine shaft, the friction between the belt and the pulley is ignored. From the test results, the torque produced by the turbine is carried out in a certain rotation. Wind turbines made with blade blades 2 m, 2.40 m, 2.80 m with wind speeds of 4 m / s From the three turbine blade variables based on testing different turbine blade diameter the resulting power is different, from the test results it can be known the power generated by the power turbine can be seen that the highest power on the blade diameter is 2.40 m at 140 turns (rpm) with turbine power of 19.9606 watts, with an efficiency of 10,6263 % and the lowest in blade diameter 2m in rotation 120 ( rpm) with turbine power of 12.9374 watts, with an efficiency of 9,9579 %.

Pengaruh jenis bahan dan jumlah gigi perontok terhadap kinerja mesin thresher sebagai perontok padi Setiawan, Agus; Dharma, Untung Surya; Budiyanto, Eko
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 1 No. 1 (2020): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

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In this technological world, mechanical engineering is inseparable from the existence of a tool and machine that plays an important role in everyday life such as agricultural machinery. This study aims to determine the effect of the type of thresher material, variations in the number of thresher teeth, grain quality, maximum capacity. The method used in this research is literature study, direct observation or observation. Based on the results of measurements and testing with three variations of 3 different thresher teeth materials, the required data is obtained and the data is processed and calculated that the material of bolts, iron bolt, and per leaf, is increasing from 3 different variations in the level of thresher teeth crookedness the bolt material reaches 60o and in the molten iron thresher the bending level rises to 63o whereas in the iron threshold of iron teeth per leaf the smallest is 32o. After conducting direct field testing we can find out that the quality of rice in the variation of the number of thresher teeth 36 thresher teeth reached 40.2 kg, the variation of 40 reached 43.7 kg, and the variation of 44 thresher teeth reached 44.5 kg. Variation 44 teeth thresher has the highest results.

Analisa uji ketahanan fatigue Aluminium scrap hasil remelting sepatu rem (brake shoe) terhadap variasi beban menggunakan tipe rotary bending Wahyono, Wahyono; Nugroho, Eko; Handono, Sulis Dri; Budiyanto, Eko
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 1 No. 2 (2020): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Used brake shoes are a component of a two-wheeled vehicle that has a type of aluminum material. Therefore, we can do remelting aluminum from brake shoes that can no longer be used for advanced application use and utilization of brake shoe waste which still has a sale value. This study aims to determine the best value or the one that approximates the fatigue limit endurance value of each loading variation given to the specimen and to determine the characteristics of the fracture surface from the differences in given loading. The research method used for fatigue testing is by using a literature study and direct observation or observation. Before doing the fatigue testing, first, do the tensile test to get the yield strength value where this value is used for the loading that will be given to the fatigue test, the loading variations are given for the fatigue test are 40%, 50%, and 60 % of the yield strength value. From the results of fatigue testing at a load of 60% with the stress of 100.2 MPa and a given load of 3.81 kg, it can be seen that the value of material fracture at 27,421 cycles and in the timeframe 00:18:16. Then at 50% loading with the stress of 83.5 MPa and a given load of 3.18 g, it can be seen that the fracture value of the material in the 51,659 cycles in the fracture period is 00:34:35. Then in the next test with a load of 40% and given the stress of 66.8 MPa and a load of 2.5 kg, it is known that the fracture value of the material in the 106,930 cycles in the fracture period reaches 01:11:17. From the test data, it can be concluded that the ratio between cycle and time with voltage is inversely proportional, that is, the smaller the voltage the greater the cycle and time obtained, and vice versa, the greater the voltage, the smaller the cycle and time will be obtained. Keywords: Used brake shoes, Aluminum, Remelting, load variation, fatigue test.

Pengaruh Holding Time dan media pendingin pada proses quenching terhadap kekerasan dan kekuatan Impact pegas daun sebagai alternatif pengganti pisau slicer penuai tebu Indratmoko, Andreas Luki; Nugroho, Eko; Asroni, Asroni; Budiyanto, Eko
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 1 No. 2 (2020): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

In the process of harvesting sugarcane at a sugar factory, the Sugarcane Harvester is a tractor used to harvest sugarcane equipped with a slicer knife. Nowadays slicers are still imported from abroad, and the availability is scarce and the price is still expensive. One of the efforts to find an alternative to the slicer is to use leaf springs by hardening the metal through a heat-treatment process. Namely the process of heating steel to temperatures above the critical area followed by rapid cooling called quenching. The purpose of this study was to determine the effect of holding time and the effect of cooling media on the hardness and impact strength of leaf springs and to determine the ideal holding time and the most optimal cooling media to increase the hardness and impact strength of leaf springs. As for the research method, the spring leaves were heat-treated with a temperature of 8500 C for 30 minutes and 60 minutes and then cooled using oil, saltwater, and water as media. The method used is observation, literature study, testing, and documentation. The results obtained from this study were at a temperature of 8500 C with a holding time of 30 minutes the best hardness value was 477 VHN and 0.42% increase, the best impact strength value was 0.03433 J / mm2 and 87.71% decrease, and the two cooling media, namely oil. At a temperature of 8500C with a holding time of 60 minutes the best hardness value was 534 VHN and 12.42% increase, the best value of impact strength was 0.03203 J / mm2 and 88.53% decrease, and the two cooling media were oil as well. So that oil is the most optimal medium for changing the mechanical properties of the Sugarcane Harvester slicer because the oil can carry a carbon layer from the cooling process that takes place and the cooling rate of the oil is not too fast from the cooling media of brine and water because of its viscosity. Keywords: Holding Time, Cooling Media, Hardness, Impact Strength, Quenching, Leaf Spring, Slicer.

Variasi temperatur pada proses squeeze casting berbahan magnesium semi solid terhadap hasil kekerasan Wahyudi, Tri Cahyo; Budiyanto, Eko
ARMATUR : Artikel Teknik Mesin & Manufaktur Vol. 2 No. 1 (2021): Jurnal Armatur
Publisher : Universitas Muhammadiyah Metro

Pengecoran squeeze merupakan pengecoran yang dimana dalam proses tersebut menggunakan tekanan tinggi dengan cetakan berbentuk die-punch diberikan pada logam cair saat terjadi pemadatan. Pada pengecoran semi solid temperatur tuang sangat berpengaruh pada hasil kekerasan material itu sendiri. Pada proses penelitian yang akan dilakukan, alat squeeze casting dimodifikasi sedemikian rupa dengan penambahan elemen pemananas (coil heater) pada cetakan sehingga proses pengecoran dilakukan di dalam cetakan tersebut. Dengan material Magnesium, tekanan 350 MPa serta variasi temperatur 3500C, 4000C, 4500C dan 5000C untuk lama waktu penekanan 1 menit, dengan holding time 5 menit serta tekanan gas argon 1 bar dan satu sampel tanpa perlakuan yang bertujuan untuk mengetahui nilai kekerasan bahan serta struktur mikro yang ada pada spesimen tersebut sehingga nantinya hasil dari pengujian ini dapat diaplikasikan sesuai kebutuhan yang diharapkan. Hasil yang diperoleh dari penelitian ini terlihat semakin tinggi temperatur, semakin besar, semakin banyak pula melting pada sampel, terlihat pada temperatur 5000C sehingganya meningkatkan nilai kekerasan sebesar 49,5 HRV, serta berpengaruh pada hasil struktur mikro bandingkan dengan material awal tanpa proses, pada hasil SEM memperlihatkan pada pembesaraan 1000 kali, Ukuran dari struktur material berubah menjadi lebih homogen seiring naiknya temperatur selama proses squeeze casting.

Co-Authors Achmad Masruri Agus Setiawan AGUSTINA MS, RETNO Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati ALDONAVY PRABUDIMAS, CINDY Ali Imron, Akhmad Andreas Luki Indratmoko APRILIANA, TRIAS Ardhyan Dwi Nurcahyo Ardiyanto Darmanto Asroni Asroni Asroni, Asroni Bahfie, Fathan Bambang Hariyanto Bayu Aji Kuncoro Burhany, Alven Ahmad Deva Agus Setiawan Dimas Anggoro Dimas Hendra Sasmita Djarot B. Darmadi, Djarot B. Dock, Chanthoeurn Ebid Rocky Alfatikh Eduwar, Nurul Eko Nugroho Eko Nugroho Elizabeth Titiek Winanti ENY SULISTYOWATI Fadirubun, Fahmi Fahrudin Fattah, Ariesta Nuur Gde Brahupadhya Subiksa HARIYANTO, SETIYAWAN Harnowo Supriadi Juli Murtini Kemas Ridhuan Ketut Prasetyo Kurniawan, Rubi KUSUMA WARDANI, GANDHI Lalu Saefullah Larasati, Amira Lukito Dwi Yuono, Lukito Dwi Lutfi Ailuul Waahidati Maarif, Muhammad Yusuf Magita, Nastiti Sigra Dewi Moch. Agus Choiron Muhamad Danial, Fikri Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Nastiti Sigra Dewi Maginta NUGROHO HARI PURNOMO Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nurcahyo, Ardhyan Dwi Pamuji, Wirawan Permatasari, Ivana Pertiwi, Sri Endah Pramono, Atik PUJI LESTARI, EKA Rindawati, Rindawati Rini Novianti Rudiyanto Rudiyanto, Rudiyanto Rumpoko HS, Hendro Sari, Khofifah Maulida sri murtini . Sukma Perdana Prasetya Sulis Dri Handono Sulis Drihandono Sulistiyo, Danang Sumosusilo, Joko SYAHADAH NOVITA SARI, ARINI Untung Surya Dharma, Untung Surya Wahyono Wahyono Wahyudi, Tri Cahyo Wahyudin, Dian Wiwik Sri Utami Yususf Rizal fauzi

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