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All Journal Info-Teknik Dinamisia: Jurnal Pengabdian Kepada Masyarakat JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Elemen Jurnal Teknik Mesin Indonesia Jurnal Pengabdian Polinema Kepada Masyarakat Logic : Jurnal Rancang Bangun Dan Teknologi Evrimata: Journal of Mechanical Engineering Journal of Community Engagement
Pondi Udianto
Jurusan Teknik Mesin, Politeknik Negeri Malang
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Journal : Info-Teknik

 1 
PENGARUH TEMPERATUR ANELING TERHADAP KEKERASAN DAN KEKUATAN PIPA TEMBAGA AC BEKAS R. N. Akhsanu Takwim; Kris Witono; Pondi Udianto
INFO-TEKNIK Vol 20, No 2 (2019): INFOTEKNIK VOL. 20 NO. 1 DESEMBER 2019
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v20i2.7717

Abstract

During the installation process, copper pipes for air conditioning will experience a very large deformation due to straightening and bending following the installation path. Hardening strains occur that result in changes in mechanical properties in this case decreases ductility making it difficult to do the connecting process with flaring. Studies need to be carried out to restore the mechanical properties of copper pipes that have been used, including the heat treatment process on copper pipes, so that used copper pipes have a better benefit value than having to be recycled. The temperature of the heat treatment is varied from 400oC, 500 oC and 600 oC. Tensile test results show that at annealed temperature of 400 oC has the highest tensile strength of 125.81 N / mm2 and proportional limit stress of 40.52 N / mm2. Whereas in the microhardness test, the highest hardness occurs also at annealed temperature of 400 oC which is equal to 50.8 HV.
LAJU PENDINGINAN PENGELASAN BAJA CARBON SEDANG PADA TEMPERATUR LINGKUNGAN BERBEDA R. N. Akhsanu Takwim; Kris Witono; Pondi Udianto
INFO-TEKNIK Vol 21, No 1 (2020): INFOTEKNIK VOL. 21 NO. 1 JULI 2020
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v21i1.8964

Abstract

The quality of welding results is influenced by the shape of the microstructure of the welding material especially in the HAZ region. The shape of the welding microstructure is largely determined by the cooling rate of the weld material. The cooling rate of the weld is greatly influenced by the heat input from the arc and the ambient temperature. This study aimed to determine the effect of different environmental temperatures on the cooling rate of welding results. Welding of GMAW fillets on medium carbon steel plates S50C, with variations in welding currents 90 A, 100A and 110A and carried out at variations in environmental temperature of 15oC, 10oC and 5oC. Temperature data on the middle, welding part is taken with a digital thermometer to compare the effect of each variable. The test results show that the greater the welding current, the slower the cooling rate. Similarly, an increase in ambient temperature causes a decrease in the weld metal's cooling rate.
RANCANG BANGUN DAN PEMBUATAN MESIN PEMBENGKOK PIPA BAGI JAMAAH MASJID NURUL ISLAM PERUM GRIYA SAMPURNA DESA AMPELDENTO KEC. KARANGPLOSO KAB. MALANG Udianto, Pondi; Hartono, Moh.; Wahyudi, Bagus; Murdani, Anggit; Hadi, Samsul
INFO-TEKNIK Vol 24, No 2 (2023): INFOTEKNIK VOL. 24 NO. 2 DESEMBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v24i2.17996

Abstract

Mesin pembengkok pipa merupakan alat yang digunakan untuk mengerol pipa, apakah pipa silindris atau pipa kotak dengan menggunakan penggerak utama motor listrik. Alat ini sangat diperlukan dalam proses pembuatan pagar atau rangka kanopi yang terbuat dari bahan logam agar proses pembengkokkan bisa lebih cepat dan diperoleh hasil yang baik. Prinsip kerja dari alat ini adalah pipa yang akan dibengkokkan ditekan oleh poros penggerak utama yang berputar, sedangkan dua poros yang lain menahannya. Karena poros utama bergerak bolak balik maka semakin lama pipa akan membengkok. Tahapan dalam proses pembuatan meliputi perancangan (desain), pemilihan bahan dan pembuatan. Perancangan dilakukan agar diperoleh desain alat yang sesuai dengan kebutuhan. Pemilihan bahan dilakukan untuk menentukan bahan-bahan yang digunakan dengan mengutamakan fungsi dan nilai ekonomis dari sisi harga. Untuk bahan rangka dipilih besi profil U, sedangkan untuk bantalan poros dipilih bantalan yang sudah ada di pasaran. Alat-alat utama yang digunakan dalam proses pembuatan yaitu mesin las listrik, gerinda potong dan peralatan keselamatan kerja dalam proses pengelasan. Dari pembuatan yang dilakukan dihasilkan alat/mesin pembengkok pipa dengan penggerak utama motor listrik yang dapat digunakan untuk membengkokkan pipa diameter 1 inci dengan ketebalan 1,2 mm. Key words: pembengkok, pipa, poros utama
STUDI KELAYAKAN PEMBANGKIT LISTRIK TENAGA SURYA UNTUK PENERANGAN DI LOKASI WISATA PANTAI GEMAH TULUNGAGUNG JAWA TIMUR Udianto, Pondi; Asrori, Asrori; Yudianto, Eko
INFO-TEKNIK Vol 21, No 2 (2020): INFOTEKNIK VOL. 21 NO. 2 DESEMBER 2020
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v21i2.10050

Abstract

The condition of electric energy at Gemah beach on the south coast of Tulungagung has not been fully supplied by PLN, so it is necessary to take advantage of renewable energy. This study aims to calculate the need for electrical energy at Gemah beach and calculate the number of solar panels and the required generating capacity. From the calculation results obtained: Total load energy per day 17392 Wh, Total load Ah requirement per day = 362 Ah, and need battery with capacity = 1358 Ah, capacity of selected battery in Amp-hour is 800 Ah, batteries in parallel is 2, Number of batteries in series = 24, Total number of batteries = 48, capacity of total battery is 1600 Ah, Total kilowatt-hour capacity of battery = 76.8 kWh. Meanwhile, for the purposes of generation required: The number of solar modules to meet the load requirements = 28 modules. Generating capacity = 5.6 kWp, rounded off to 6 kWp
Co-Authors Alexander David Kurniawan Alia*, Nila Amrullah, Utsman Syah Anggit Murdani Arif Rahman Hakim Asrori , Asrori Asrori Asrori Bagus Wahjudi Bagus Wahyudi Bagus Wahyudi Duratun Nasiqiati Rosady, Siti Eko Yudiyanto Etik Puspitasari Etik Puspitasari, Etik Fengky Adie Perdana Fengky Adie Perdana, Fengky Adie Gumono Gumono, Gumono Hapsari, Ratih Indri Haris Puspito B Haris Puspito Buwono Heru Prasetyo Kris Witono Lisa Agustriyana Mochammad Muzaki Moh. Hartono Nila Alia Nugroho, Pipit Wahyu Nurchajat R.N. Akhsanu Takwim, R.N. Akhsanu Samsul Hadi Satworo Adiwidodo Sugeng Hadi Susilo Syamsul Hadi Syamsul Hadi Viyus, Vinan Widjanarko Widjanarko Widjanarko, Widjanarko Wirawan , Wirawan Yoyok Heru Prasetyo Isnomo Yudianto, Eko Zahratul Jannah