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Wahyudi, Hadi
Universitas Sultan Ageng Tirtayasa
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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LIFETIME ANALYSIS OF SPHERICAL ROLLER BEARINGS ON ROLL MILL MACHINES AT PT. ABC Jannah, Miftahul; Wahyudi, Hadi; Aswata, Aswata; Susilo, Sidik; Alhamidi, A. Ali; Ardiansyah, Fakhri
Trends in Mechanical Engineering Research Vol 2, No 2 (2024): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i2.30948

Abstract

PT ABC is a wheat flour production company in Indonesia. Many sophisticated machines are used in the wheat flour production process, one of which is the roll mill machine. In its operation, the roll mill machine uses bearings to support the roll when it rotates and reduce friction that occurs so that the roll can rotate smoothly and avoid wear. If the bearing does not function properly, it can damage the machine and other components. Therefore, to predict damage to the bearing, it is necessary to analyze how long the bearing lifetime is. In the implementation of this Practical Work, research will be conducted to determine the lifetime and types of damage that occur to the bearings used so that solutions can be found to prevent damage to the machine and other components. Based on the results of calculations in this study, the life of the spherical roller bearing in the roll mill machine using the basic rating life method shows that the bearing life obtained is 36,696,343 operational hours, while the time required to re-lubricate the spherical roller bearing is every 9800 hours with the amount of lubricant given is 17.6 grams.
SIMULATION OF THE EFFECT OF THE COVER GLASS ANGLE INCLINE ON A SINGLE SLOPE SOLAR DISTILLATOR Caturwati, Ni Ketut; Wahyudi, Hadi; Alda, Apriyani; Wiyono, Slamet; Dwinanto, Dwinanto
Trends in Mechanical Engineering Research Vol 2, No 2 (2024): December
Publisher : Department of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/timer.v2i2.30947

Abstract

Distillation is a water purification process through evaporation and condensation. Research on solar distillation was developed using the Computational Fluid Dynamic (CFD) method to obtain an overview of the transmission of solar radiation heat by the cover glass for variations in the angle of the glass inclination of 100, 200 and 300. The water height in the basin is 100 mm. The simulation results show that the heating process with variations in the angle of the cover glass affects the distillation results. The smaller angle of the cover glass inclination, the higher heat flux entering the basin so that the evaporation process becomes higher which ultimately increases the amount of distillate water production produced. The highest heat flux entering the distillation system was achieved by the system with a cover glass inclination angle of 100 with a value of 388.525 W / m2, while the lowest was at an angle of 300 with a value of 379.792 W / m2. In addition, the highest distillate production was obtained on the cover glass with an inclination angle of 10 ° of 1.078 cc. For operational hours at 13.00 WIB and simulation time 180 seconds.
Co-Authors Alda, Apriyani Alhamidi, A. Ali Ardiansyah, Fakhri Aswata, Aswata Dwinanto, Dwinanto Jannah, Miftahul Ni Ketut Caturwati, Ni Ketut Susilo, Sidik Wiyono, Slamet