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Abdul Ghofur
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Program Studi Teknik Mesin, Fakultas Teknik, Universitas Lambung Mangkurat Jalan Jenderal Achmad Yani KM 35,5 Banjarbaru, Kalimantan Selatan - 70714
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Scientific Journal of Mechanical Engineering Kinematika
Published by Universitas Lambung Mangkurat
ISSN : 26559048     EISSN : 2655903X     DOI : http://dx.doi.org/10.20527
Core Subject : Science, Engineering,
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is a mechanical engineering journal that focuses on Energy, Applied Mechanics, Materials, Manufacturing Processes. SJME Kinematics journal publish in Indonesian and receive in English. Scientific Journal of Mechanical Engineering Kinematika (SJME Kinematika) is an Open Access Journal that is available for free on online media. We are not only accept journals that focus on the derivatives of the four fields below, but also the possibility of an integrated focus of fields from several fields.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 133 Documents
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ANALISIS PENGARUH LEBAR CELAH UDARA PADA CHANNEL OUTLET TERHADAP KONDISI RUANGAN DAN DAYA LISTRIK DENGAN MEMANFAATKAN PANEL SURYA Antan Noraidi Maulana; Achmad Kusairi Samlawi; Muhammad Rijali
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (777.42 KB) | DOI: 10.20527/sjmekinematika.v3i1.3

Abstract

Only a Part of the energy of sunlight is absorbed by solar panels during the day will be converted into electrical energy, the rest will be converted into thermal energy that conducted to the solar panel surface with high surface temperatures. High temperatures on the surface of solar panels can be combined as a trombe wall to produce a temperature gradient in the channel outlets or vents. The produced gradient temperature will create air flow velocity in the chamber and will increase due to the difference in density gradient. So heat in the room will be pushed out. This study will vary, the air gap width 3 cm, 4.5 cm and 6 cm by comparing the indoor temperature, humidity and electric power by using solar panels and without 450 tilted solar panel facing north. Room dimensions are 0.5x0.5x0.5 m, with solar panels 150x180x18 mm dimensions. Collecting data every 10 minutes from 07:00 until 19:00. The sensor used is LM35, DHT11, Voltage Sensor, and ACS712. Air condition obtained will be compared with the standard of comfort of air in the tropical building. Results obtained from the research is a widening gap Outlet Channel or ventilation in the room conditions will increase the temperature, the humidity, increase power and decrease the comfort in the room. Otherwise the narrow width of the gap or ventilation Outlet Channel it will lower the temperature, increase humidity, lower power and increased comfort in the room.
ANALISA KEGAGALAN MENGGUNAKAN METODE FAILURE MODE AND EFFECT ANALISYS (FMEA) PADA UNIT OFF-HIGHWAY TRUCK 777D Candra Dwi Putra; Akhmad Syarief; Hajar Isworo
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.187 KB) | DOI: 10.20527/sjmekinematika.v3i1.4

Abstract

Heavy equipment is a tool used to assist humans in performing construction and manufacturing projects to support good governance in the development of infrastructure as well as in the mining process. In use, heavy equipment is not a tool that has never experienced a failure in the system or group component, also in product design even on the work process during its life cycle which will lead to some disadvantages like low levels of production, not achieving the timetable or targets that have been set and also losses from repairing costs. Therefore, it is necessary to analyze the systems or any component group that experienced failure the most in the heavy equipment and also need to provide a "value" on the failure. With this, it’s expected to help prevent a decrease in productivity by taking action a precaution against the systems that have high failure value. Value of the failure can be calculated based on unscheduled breakdown data that processed using Failure Mode and Effect Analysis (FMEA). This research was conducted using primary data obtained from the data breakdown and by collecting supporting data relating to the object of the report. With this research, it can be obtained the system or component group that has the largest failure value on the heavy equipment.
ANALISIS STRUKTUR PADA GIRDER OVERHEAD CRANE SWL 30 TON Jefriansyah Jefriansyah; Ma'ruf Ma'ruf
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.814 KB) | DOI: 10.20527/sjmekinematika.v3i1.5

Abstract

Overhead crane is a device used to move goods. Overhead cranes are very important during the production period, if there is a problem in the overhead crane, it can disrupt the production process. Therefore, load testing was conducted to determine the results of the girder deflection, whether large deflection is still within the limits that are allowed or not. This study to calculate the girder overhead crane occur in the loading variations, and adjust the properties of the material used. The amount of deflection is calculated using the equation Castigliano theory. research on the loading of 28.7 tons, 30 tons, and 37.5 tons with theoretical calculations obtained deflection value calculation results is 6,060mm, 6,335mm, and 7.918 for the imposition of the middle girder (1 / 2span). 5,191mm, 5,410mm and 6,763mm for the loading side (1 / 3span). The simulation results are 5,649mm, 5,834mm, and 6.898 for the imposition of the middle girder (1 / 2span) and 4,986mm, 5,101mm and 6,032mm for the loading side (1 / 3span). The results obtained have great value below allowable deflection value is 23.75 mm.
ANALISIS PERHITUNGAN DAN SIMULASI TEGANGAN TWIST LOCK RUBBER TIRED GANTRY CRANE (RTGC) KAPASITAS ANGKAT 35 TON DENGAN MENGGUNAKAN SOFTWARE AUTODESK INVENTOR 2014 Suryadi Suryadi; Ma'ruf Ma'ruf; Rudi Siswanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.756 KB) | DOI: 10.20527/sjmekinematika.v3i1.6

Abstract

Rubber Tyred Gantry Crane (RTGC) is a transport lifting equipment which serves to move the containers from head truck to the container terminal or vice versa and as a regulator of the composition of the container stacks. Twist lock is the most important components that are on Rubber Tired Gantry Crane (RTGC). This component is located on the four corners of the spreader. Twist lock function to lock the container at the time of appointment. And load the container will be distributed evenly. This study and simulation to calculate the voltage that occurs at the twist lock with variations in loading and adjusts the nature of the material used. The magnitude of the voltage is done with theoretical calculations and simulated using Autodesk Inventor 2014 software. Based on the research results, the loading of 20 tons, 30 tons and 40 tons with theoretical calculations obtained voltage value is 94705,33 kPa, 142057,98 kPa dan 189410,66 kPa. The simulation results obtained von mises stress value 91900 kPa, 137800 kPa dan 183800 kPa.
PEMANFAATAN OLI BEKAS HIDROLIK YANG DICAMPUR DENGAN SOLAR TERHADAP EMISI GAS BUANG PADA MESIN DIESEL Bagus Lutfiwijaya; Akhmad Syarief; Sigit Mujiarto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (852.644 KB) | DOI: 10.20527/sjmekinematika.v3i2.7

Abstract

Used hydraulic oil SAE 10 is a waste activities that are often found in Indonesia, especially in mining and plantantion scale hydraulic large. Waste used oil SAE 10 can be used as a fuel mixture of hydrocarbons is done by mixing the used oil hydraulic SAE 10 with other fuels such as gasoline, kerosene, diesel fuel with the addition of a maximum percentage of less than 50%. this research tries to investigate exhaust emissions on diesel engines with hydraulic mixing used oil into diesel fuel with a mixture of different variations. The machine used is a four-stroke diesel engine with a maximum power of 4.4 kW. Be based testing has been done variations of a mixture of 5% and 10 % is still within the allowed limits.
ANALISA RELIABILITAS DENGAN METODE DMAIC PADA UNIT EXCAVATOR ZAXIS 450LC-3 DI PT X Muhammad Ainur Rahman; Abdul Ghofur; Akhmad Syarief
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.364 KB) | DOI: 10.20527/sjmekinematika.v3i2.9

Abstract

Excavator Zaxis 450LC-3 is a heavy equipment used in mining activities. The company that owns the equipment as a powerful engine will be able to carry out the operation or production to the maximum. The cause of disruption Excavator damage that often occurs is the interference with the components on multiple systems. For example undercarriage systems, electric / starting, fuel, lubrication, cooling, air intake / exhaust and so on. Thus it is necessary to study the Analysis of the Reliability Methods DMAIC In Unit Excavator Zaxis 450LC-3 at PT X, so that the operation can continue and to determine the reliability value / reliability of excavator zaxis 450LC-3. The analysis can find out the factors that influence decreasing the reliability of the unit excavator zaxis 450LC-3 with the DMAIC method and provide recommendations on the appropriate treatment plan unit zaxis 450LC-3 excavators. Following the analysis of the reliability of the DMAIC method, the reliability of the unit zaxis excavator EX1149, and EX1132 has low reliability. Resulting in lower reliability on zaxis 450LC excavator unit is due to the high frequency of unplanned break down in the system: undercarriage, hydraulic system, cooling system, electric system, and fuel system. Based on the known potential failure, the hydraulic system and engine, then do a treatment plan include: Predictive maintenance, lubrication tasks, corrective maintenance, preventive maintenance and proactive maintenance
PENGGUNAAN TEMBAGA SEBAGAI BAHAN CATALYTIC CONVERTER TERHADAP PERFORMA MESIN SEPEDA MOTOR SATRIA FU 150 Muhammad Zaki; Abdul Ghofur; Sigit Mujiarto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (521.774 KB) | DOI: 10.20527/sjmekinematika.v3i2.10

Abstract

Many motorcycles increased within past few years, the gas emmited from the motorclyce will be polluted the population. One of technology that can reduce the emmited gas is using catalytic converter on the muffler. Catalytic converter is a catalyst that can alter or accelerate a matter (chemical reaction) of a carbon monoxide into carbon dioxide. In this research will use two types of catalytic converter that is honey comb and a copper plate. From the test can be seen that the catalytic converter with a honey comb shape better in terms of engine performance than the catalytic converter shaped plate. Compared wihtout any catalytic converter, the highest percentage honey comb catalyst reduce the power within 0.12 HP, and torque increased to 0.04 Nm. While the highest copper catalyst that reduce the power within 0.71 HP, and torque decreased to 0.2 Nm.
ANALISIS BEBAN GENERATOR TERHADAP NILAI HEAT RATE DAN EFISIENSI PLTU (STUDI OBSERVASIONAL DI PT. INDOCEMENT TUNGGAL PRAKARSA, Tbk P-12 TARJUN – KALIMANTAN SELATAN) Muhammad Miftah Noor Rizca; Qomariyatus Sholehah; Sigit Siswanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.109 KB) | DOI: 10.20527/sjmekinematika.v3i2.13

Abstract

Heat rate is a measure of the reliability of a generating unit and as the amount of fuel energy required to produce 1 kWh of electrical energy. This study aimed to generator load analysis on the value of heat rate, specific coal consumption and the efficiency of the plant. Heat rate, specific coal consumption and power plant efficiency can be determined by knowing the proximate coal analysis, parameter data from the control room, determine the heat value of coal, power and efficiency of the auxiliary units, NPHR, SCC, the efficiency of the boiler, turbine and power plant. From the data processing are obtained graph generator load to NPHR, SCC and efficiency of the plant. From the calculations, the highest value NPHR of 3580.77 kcal / kWh when the load of 29.86 MW, the highest value of SCC of 0.60 kg / kWh when the load is 29.86 MW power plant and the highest efficiency of 33.54% when the load 47, 8 MW. So the higher the value of the generator load NPHR and SCC will be smaller, while efficient the power plant will increase.
ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI KERUSAKAN BAN PADA UNIT DUMP TRUCK DI PT X Muhammad Ramadhan Anshori; Aqli Mursadin; Rudi Siswanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 2 (2018): SJME Kinematika Desember 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (654.778 KB) | DOI: 10.20527/sjmekinematika.v3i2.14

Abstract

Tire is important component of a Dump Truck. For transporting material from the loading point and fleet to disposal Dump Truck performance is required. Trouble On the tire will interfere the unit performance. Month period data from January to March show the amount of failure to the unit HD785-7 dump truck tire which can indirectly interfere the performance of the unit. Therefore, analysis of two key performance indicator (KPI) that tread utility ratio (TUR) and lifetime must be done to find the factors that cause failure, as well as find out whether there is a relationship between lifetime and TUR against different types of failure that occurred by using logistic regression. From the analysis, it is known that the tire KPI has yet to reach a given target, the main factor of tire performance has yet to reach the target is human error, operator Dump Truck and Excavator by 44%, from the results of logistic regression analysis of the data for 3 months it is known that the relationship LifeTime and TUR against various types of failure is not significant because Chisq value is greater than the value of 0.05 pr. (5%).
STUDI EKSPERIMENTAL GASIFIKASI UPDRAFT SEKAM PADI DAN BATUBARA UNTUK PRODUKSI GAS MAMPU BAKAR Akhmad Syarief; Yopi Riyanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1022.18 KB) | DOI: 10.20527/sjmekinematika.v3i1.15

Abstract

in this research have a purpose the amount of syngas produced in the process of mixing rice husk gasification with low quality coal at temperature 500 °C and to know the number of side pruduk of Tar and Char from gasification updraft rice husk and low quality coal at temperature 500 °C. In this research, the result of syngas on updraft gasification process of rice husk and low quality coal is as much as 96,62 L. The highest volume in sempel SP 200 gr: BB 0 gr equal to 29,56 L, at sempel SP 180 gr: BB 20 gr equal to 25,7 L, at SP 140 gr: BB 60 gr equal to 21.88 L and volume at least on SP 100 gr: BB 100 gr equal to 19.45L. The result of by-product of updraft gasification of rice husk and low quality of coal was obtained by highest tar on SP 200 gr: 0 ml of 58.75 ml, at sempel SP 180 gr: BB 20 g produced as much as 45 ml, at SP 140 gr BB 60 g produced 32,5 ml and at sempel SP 100 gr: BB 100 gr yielded as much as 22,5 m

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