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Jurnal Poros Teknik Mesin Unsrat
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 28088166     DOI : -
Core Subject : Science, Engineering,
Automotive Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Poros Teknik Mesin Unsrat (JPTMU) merupakan jurnal yang diterbitkan oleh Jurusan Teknik Mesin Fakultas Teknik Universitas Sam Ratulangi dengan periode penulisan dua terbitan per tahun pada bulan Juli dan November. Artikel yang diterbitkan mencakup bidang Teknik Mesin dan Teknik Industri.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 139 Documents
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ANALISIS KEAUSAN PAHAT PADA VARIASI DIAMETER MATA BOR BENCH DRILL IXION BT 25 Meldi Tumetel; Rudy Poeng; I Nyoman Gede
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

This research is a test method carried out on the IXION BT 25 bench drill machine which has been developed using a cooling system. After the drill process is carried out on the test object, the drill chisel is measured for tool wear using a digital microscope measuring instrument.From the results of the measurement of drill chisel wear, it is obtained that a drill diameter of 8 mm results a tool wear of 0.3608 microns, a drill diameter of 12 mm brings a tool wear of 0.0540 microns. Whereas, a drill diameter of 17 mm results a tool wear of 0.1030 microns and a drill diameter of 23 mm brings a tool wear of 0.0108 microns. From these results, tool wear that occurs in the drilling process using the coolant developed on the IXION BT 25 bench drill machine will decrease with the larger the drill diameter. From the correlation analysis, it is found th at the relationship between drill diameter and tool wear tends to be very close with a correlation coefficient of 0.78467 and shows that the drill diameter and tool wear have opposite directions. Keywords: Chisel Wear, Drill Bit Diameter, Bench Drill Machine IXION
PENGARUH DIAMETER MATA BOR TERHADAP PEMAKAIAN DAYA LISTRIK PADA BENCH DRILL IXION BT 25 Johanes Sulu; Rudy Poeng; I Nyoman Gede
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

This research talked about whether using a larger drill bit will decrease or increase electricity usage and whether the drill bit will affect electricity usage on the bench drill IXION BT 25 drill machine. The goal of this research is to analyze the tendency of increasing or decreasing electricity usage on the bench drill IXION BT 25 drill machine based on the relationship graphic between drill bit diameter and power usage based on test results on the drilling process using a coolant and doing some linear regression analysis to obtain the drill bit relationship which affects the electric motor power usage on the bench drill IXION BT 25 drill machine.From the results of the drilling process on the bench drill IXION BT 25 drill machine which has been developed with the coolant, it is found that when the larger diameter of the drill bit is used, the electricity usage will increase. From the results of linear regression analysis, the relationship Y=-0,00088+0,00016X was obtained. It shows that the effect of drill bit diameter on electricity usage from test results on the bench drill IXION BT 25 drill machine which has been developed using a coolant is, every time drill bit diameter increases by 1 mm, the electricity usage increases by 0,00016 KWHKeywords:    Drill Bit, Electric Power Consumption, Bench Drill IXION BT 25 Drill Machine  
Revitalisasi Alat Penukar Kalor Tipe Shell and Tube Pada Laboratorium Teknik Mesin Unsrat Fandry Tumbade; Frans Palobo Sappu; Romels Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

Heat Exchanger is equipment used to carry out the heat exchange process due to the difference in temperature of two types of fluids that flow but do not mix. In the Unsrat Mechanical Engineering laboratory there is a Shell and Tube type heat exchanger that has not been used for practical activities for a long time because it has been damaged. This study aims to revitalize and calculate the efficiency of the heat exchanger so that it can be used in practical activities in the Mechanical Engineering laboratory of Unsrat.               At the beginning of this research activity, it was found that several components were damaged, such as a malfunctioning hot water circulation pump, capacitor components and diodes on the power supply panel that experienced a short circuit and an incomplete thermometer. Then made repairs and modifications and replacement of several components.               After the heat exchanger is deemed to be functioning properly, then further testing is carried out to determine the efficiency value. The results of calculations and data processing obtained efficiency of 74.38%. This provides information that the revitalization of the heat exchanger is successful and can be used as a test tool in practical activities in the Mechanical Engineering laboratory of Unsrat. Keywords: Heat exchanger, Revitalization, Shell and Tube
IMPLEMENTASI HASIL RANCANG BANGUN SISTEM PENDINGIN UNTUK PENGUKURAN TEMPERATUR PEMOTONGAN PADA BENCH DRILL IXION BT 25 Christian Kariso; Charles Punuhsingon; Rudy Poeng
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

This research is an experimental study that is testing the drilling process to analyze the decrease in cutting temperature from the implementation of the cooling system design results on the IXION BT 25 bench drill. This test was carried out at the Mechanical Engineering Laboratory of Unsrat. The data used in this study are primary data obtained directly from testing the drilling process without cooling and with cooling by varying the diameter of the drill chisel 8 mm, 12 mm, 17 mm, and 23 mm. The results of this study are in the form of a graph of the relationship between the diameter of the drill bit and the cutting temperature without cooling, the graph of the relationship between the diameter of the drill bit and the cutting temperature with the cooler and the graph of the relationship between the diameter of the drill bit and the cutting temperature without and using a cooler linearly. The conclusion of the research implementation of the cooling system design results for measuring cutting temperature on the bench drill IXION BT 25, shows that in the first experiment for a drill chisel diameter of 8 mm the temperature decreased by 21.7%, in the second experiment for a drill chisel diameter of 12 mm it reduced the temperature to 32. ,5%, in the third experiment for the diameter of the drill chisel 17 mm lower the temperature 65.5% and in the fourth experiment for the diameter of the drill chisel 23 mm lower the temperature 65.2%. Thus, the larger the diameter of the drill chisel used, the greater the temperature drop. Thus the implementation of the results of the cooling system design for measuring the cutting temperature on the IXION BT 25 bench drill can stabilize the cutting temperature so that it will extend the life of the drill tool. Keywords: Drill Chisel Diameter, Cutting Temperature, Cooling System Design
Perancangan Gearbox Turbin Angin Savonius Tipe-L Untuk Pembangkit Listrik Pada Rumah Tinggal Lidya Daingah; Stenly Tangkuman; Charles Punuhsingon
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

The L-type of Savonius wind turbine is one type of vertical axis wind turbine. The L-type of Savonius wind turbines have proven be an effective wind turbine for converting wind energy into electrical energy. One part that plays a role in the process of converting wind energy to electricity is a gearbox. The gearbox serves to increase the rotation coming from the turbine and then forward it to the alternator. In this research, a gearbox for wind power generation with the L-type of Savonius wind turbine has been designed. The gearbox consists of a pair of gears, two shafts, four bearings, and two keys.                The calculation results show that the gearbox speed ratio is 5.3, while the torque on the first shaft is 10.12 Nm and on the second shaft is 1.88 Nm. The stress simulation shows that the von mises stress is less than the allowable stress of the material. Keywords: Gearbox, Savonius Wind Turbine, Speed Ratio
PERANCANGAN ALAT PENUKAR KALOR TIPE SHELL AND TUBE UNTUK GASOLINE ENGINE CM11-MKII Christian Lasut; Benny L Maluegha; Frans Palobo Sappu
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

Shell and tube is one type of heat exchanger that serves to change the temperature of a fluid. To support the performance of this equipment, proper design and appropriate capcity are needed. The purpose of this research is to make a design of shell and tube heat exchanger on the gasoline engine CM11-MKII.The design of this shell and tube heat exchanger is done by using the Kern method. Kern’s calculation is easier to understand, as the sequence of calculations and formulas used are clearly displayed. The completion stage of the design still uses trial and error methods.The specifications obtained for the inner diameter of the shell are 8 inches with a baffle distance of 6 inches and the number of tracks is 2 tracks. While the specifications for the tube are 16 inches long, 0.584 inches inside diameter, 0.75 inches outside diameter and the number of tracks is 4 tracks.The calculation results using the above specifications obtain a total heat transfer coefficient of 401.71 Btu/hour.ft2. °F, while for the design coefficient of 205 Btu/hour.ft2.°F and the fouling factor that occurs is 0.0023 hours.ft2.°F . The calculations obtained meet the requirements of the shell and tube type APK with water as the working fluid.Keyword: Design, Heat Exchanger, Shell and tube
Perancangan Struktur Menara Turbin Angin Savonius Tipe-L Untuk Pembangkit Listrik Pada Rumah Tinggal Renalldy Djodjobo; Stenly Tangkuman; Irvan Rondonuwu
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

The tower structure of a wind power plant must be able to support other parts such as wind turbines, gearboxes and alternators. Thus the tower structure must be designed to be strong to withstand the heavy loads of other components and more specifically wind loads that can bend or break the tower structure if it is not strong enough.The purpose of this research is to calculate the load on the tower and design the tower structure for the L-type savonius wind turbine. Next, make a miniature tower to complete the miniature wind power plant which is the object of research.The tower structure is designed using pipes with dimensions; 2500 mm high, 203.20 mm outside diameter, 183.2 mm inside diameter, and 10 mm thick. The gearbox holder is made of 50 mm x 50 mm hollow steel with a thickness of 1.8 mm. The results of the static simulation of the tower structure using Solidworks 2016 show that the maximum von Mises stress is 1.33 MPa, and the maximum displacement is 1.84 mm.The designed tower is implemented in a miniature with a scale of 1:5, has a height of 50 cm and a pipe diameter of 2 inches, the gearbox holder is made of S 45 C strip steel with a size of 17 cm x 5 cm and a thickness of 5 mm. Keywords: PLTB, L-type savonius wind tower structure, Static simulation
Perancangan Rotor Turbin Angin Savonius Tipe-L Untuk Pembangkit Listrik Pada Rumah Tinggal Woe Junior; Stenly Tangkuman; Tritiya Arungpadang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

Rotor is one of the main component in wind power plant. The rotor plays a role in converting wind energy into rotary energy / mechanical energy. To connect the rotor to the gear requires a shaft. This research aims to design a rotor Savonius Wind Turbine with an L blade type for a Wind Power Plant. This research has two purposes, first to design the Rotor Savonius Wind Turbine and then simulate the rotor in the Ansys Workbench 18.1 to sees the output power. Second is making a Rotor to complete a miniature Wind Power Plant with a ratio of 1:5.             The result of the Rotor design is that the diameter is 1.25 m and the height is 2.5 m. Can operate at 6.25 m/s with the output power is 120 Watt. The rotor miniature can function properly and has been installed on a miniature Wind Power Plant. Keywords: Rotor, Wind Power Plant
PENGARUH KECEPATAN POTONG TERHADAP UMUR PAHAT BOR PADA BENCH DRILL IXION BT 25 MENGGUNAKAN CAIRAN PENDINGIN Kevin Lorenzo; I Nyoman Gede; Rudy Poeng
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

This study discusses how to determine the life of the drill chisel in the process of cutting workpieces using coolant and whether the cutting speed will affect the life of the chisel on the IXION BT 25 bench drill machine. The purpose of this study was to analyze the age of the chisel by varying the cutting speed and conducting linear regression analysis to determine the effect of cutting speed on the chisel life of the IXION BT 25 bench drill machine.The test results of the drill process on bench drill IXION BT 25 that has been developed using coolant obtained the first point cutting speed of 28,903 m / minute resulting in a chisel life of 0.019 minutes, the second point cutting speed of 29,908 m / minute resulting in a chisel life of 0.058 minutes and the third point cutting speed of 30,159 m / minute resulting in a chisel life of 0.108 minutes. From these results it is seen that the life of the chisel in the drill process using coolant will be increased by increasing the cutting speed. The results of linear regression analysis obtained by Y=-1.7697+0.0617X, this shows that the effect of cutting speed on the chisel life of the test results conducted on ixion BT 25 bench drill machines that have been developed using coolant that is each cutting speed increased by 1 m / minute will decrease the chisel life by 0.0617 minutes. Keywords: Cutting Speed, Chisel Life, IXION BT 25 bench drill machine
PENERAPAN METODE PREFERENCE SELECTION INDEX (PSI) UNTUK MENENTUKAN PRIORITAS PENANGANAN FAKTOR PENGHAMBAT PRODUKSI SERAT ABAKA Cristo Mailantang; Agung Sutrisno; Jefferson Mende
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 11 No. 1 (2022): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

The production process is one of the important activities of the company that needs to be considered considering its key role in the operation or absence of a business. Related to this importance, this study aims to determine the various types of inhibiting factors in the Abaka Fiber (Musa textilis Nee)   production process and create a ranking model by applying the Preference Selection Index (PSI) method. The results of the application of the Preference Selection Index (PSI) method in the Abaka Fiber Production case study showed nine types of inhibiting factors. Meanwhile, in terms of ranking of inhibiting factors, the priority of inhibiting factors ranked first is occupied by inhibiting factors. The craftsmen do not know the technology to develop the Abaka fiber processing process with a preference score of 0.47. Keywords: Inhibitory Factors, Preference Selection Index (PSI) Method, Abaka Fiber

Page 12 of 14 | Total Record : 139

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