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All Journal Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT)
Nanang Endriatno
Teknik Mesin, Universitas Halu Oleo
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Mechanical Engineering

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Analisa Kekuatan Mekanik Sambungan Las Menggunakan Pola Ayunan Melingkar Dan Zig-Zag Pada Baja Karbon Sedang Irwan Irwan; Nanang Endriatno; La Hasanudin
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 7, No 4 (2022): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v7i4.28405

Abstract

Welding is one of the metal joining techniques by melting some of the parent metal and filler metal which is currently widely used with different methods and movements of welding electrodes. These methods aim to obtain flat and smooth welds and at the same time become the impetus for the compilers to conduct research entitled "analysis of the mechanical strength of welded joints using circular and zig-zag swing patterns on medium carbon steel" with the aim of knowing the effect of welding patterns on hardness test on medium carbon steel material and the effect of microstructure welding pattern on medium carbon steel material. This research was conducted in August 2020, at the Mechanical Engineering Materials and Technology Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Halu Oleo University Kendari. The tools used are welding machines, grinding machines, welding goggles, pliers, masks and gloves while the materials are 0.5 cm carbon steel plate, welding electrodes, grinding wheels. The results of the first research are that for welding using a circular electrode movement pattern which shows a softer or more ductile result, while for a harder or brittle result, it is shown in the zigzag electrode movement welding process and secondly that the circular electrode movement in the welding process has an impact on the microstructure. in the HAZ area which is getting darker because the structure formed is dominated by pearlite, while in welding the zigzag electrode movement has an impact on the HAZ area which is getting brighter because it is dominated by the bainite structureKeywords: Circular Welding Pattern, Mechanical Strength, Medium Carbon Steel, Zigzag Welding Pattern,
Pengaruh Sudut Elektroda Terhadap Sifat Mekanik dan Fisis Baja Karbon Rendah Hasil Proses Pengelasan SMAW Darmawan Darmawan; Nanang Endriatno; Prinob Aksar
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 7, No 4 (2022): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v7i4.28333

Abstract

Analysis of the effect of welding position and electrode movement pattern on hardness,it can be concluded that the electrode movement pattern has an influence on the hardness result. The purpose of this study was to determine the effect of the electrode angle on the mechanical and physical properties of low carbon steel from the SMAW welding process. The research method used is hardness testing and microstructure analysis. The results obtained are that specimens with different electrode angles, namely 300, 450, and 600 produce an average in each welding area such as the weld area, haz area, and different areas where the greater the angle the higher Also the average for each weld area and also on the analysis of microstructure shows that the weld metal area with electrode angles of 300, 450, and 600 shows the same microstructure or does not show any effect. the larger the area of the weld metal with electrode anglesof 300, 450, and 600, the larger the ferrite area, the larger the area of the weld metal with angles of 300, 450, and 600 pearlite grains.Keywords: electrode angle, low carbon steel, microstructure, welding
Pelatihan Teknik Pengecoran Aluminium Bagi Usaha Pengepul Barang Bekas Di Kecamatan Poasia Kota Kendari Sudarsono Sudarsono; Aminur Aminur; Budiman Sudia; Nanang Endriatno; La Ode Ahmad Barata
Jurnal Pengabdian Masyarakat Ilmu Terapan Vol 4, No 2 (2022)
Publisher : Vokasi Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jpmit.v4i2.28245

Abstract

Handling of used aluminum has been carried out by collectors, namely the compression process. The pressing process is less economical because it still produces cavities and the selling price is low. The purpose of this community service activity is to provide training on Aluminum smelting with casting techniques for two groups of independent collectors, Mandiri Berkah and Maju Jaya. The activity took place in the Mandiri Berkah collector area which was attended by Mandiri Berkah and Maju Jaya employees and the community around Poasia. The method of implementing the activity is a theoretical explanation of Aluminum and its processing method with casting techniques. Used aluminum cans are melted in a charcoal-fired crucible furnace. The used aluminum cans are put in the kowi which is placed in a hot furnace. After the cans are melted, they are poured into rectangular molds. The results of the service activities that resulted were the opening of knowledge insights related to used aluminum. Participants were able to recycle Aluminum by casting technique into ingot products.Keywords: Training, foundry, aluminum, collectors
Perancangan Kapal Tanpa Awak Dengan Pengendali Otomatis dan Kontrol Jarak Jauh Samidun Samidun; Sudarsono Sudarsono; Nanang Endriatno
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 8, No 2 (2023): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of science and technology in the maritime field is increasing marked by the rapid progress that occurs with the creation of increasingly sophisticated equipment. However, the development of unmanned ship technology is still not widely applied in Indonesia, so it is necessary to develop further technology on unmanned ship technology so that it can be applied in Indonesia, both in the military, commercial and so on. For that we designed an unmanned ship without a remote control automatic control. In this remote control automatic ship program, there are two main programs, namely the transmitter/sender program, where this program is used to program the remote control, while the receiver/receiver program is used on the ship to be steered, and to connect the transmitter and receiver. using the nRF25L01 module. The workings of this tool is that when potentiometer 1 is read it will move the servo motor, and if potentiometer 2 is read, it will move the Brushed Motor through the ESC. The comparison results at an angle of 45°, the track diameter is 145.33 cm, with a time of 5.59 seconds and a speed of 26.02 cm/s. At an angle of 30°, the track diameter is 226.67 cm, with a time of 9.51 seconds and a speed of 23.80 cm/s. While at an angle of 15°, the track diameter is 331.33 cm, with a time of 15.52 seconds and a speed of 21.36 cm/s.Keywords: Unmanned Ship, nRF24L01, Potentiometer
Co-Authors Aminur Aminur Budiman Sudia Darmawan Darmawan Irwan Irwan La Hasanudin La Ode Ahmad Barata Prinob Aksar Samidun Samidun Sudarsono Sudarsono