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Tulus Swasono
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Computer Science & IT Engineering

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Modifikasi Mesin Pemotong Rumput Menjadi Alat Panen Sawit Mekanik Romiyadi Romiyadi; Tulus Swasono
Jurnal Sains dan Ilmu Terapan Vol. 1 No. 2 (2018): Desember : Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

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Abstract

Oil palm harvesting is the process of cutting the palm fruit bunches from the tree to transporting them to the mill which includes the activities of cutting the ripe fruit bunches, picking loose fruit, cutting the fronds, transporting the produce to TPH, and transporting the produce to the mill (PKS). Most of the oil palm farmers use conventional equipment in harvesting oil palm fruit such as dodos or egrek. The process of harvesting oil palm using dodos or egrek will consume a lot of energy because the process is quite difficult and the tools are quite heavy and the equipment is still conventional. This mechanical oil harvesting tool is designed and made to help and facilitate oil palm farmers in carrying out oil palm harvesting.
Pengaruh Arus Pengelasan Terhadap Kekerasan Hasil LasPelat Baja Karbon S45c Dengan Proses SMAW Tulus Swasono; Emon Azriadi
Jurnal Sains dan Ilmu Terapan Vol. 1 No. 2 (2018): Desember : Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

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Abstract

Welding is a process of joining two or more metals which is widely applied in the industrial world. To get good welding results, it is necessary to choose the right amount of current. In this study, variations in the amount of current used were 60 A, 70 A and 80 A for welding S45C carbon steel plates, using the SMAW welding method. The results of the welding were then tested for hardness using the Rockwell HRB scale method in the weld metal, HAZ, and base metal areas. From the results of this study, the hardness value in the weld metal area was higher than the hardness value in the HAZ and base metal areas. And a good current used in welding S45C carbon steel plates is a welding current of 80 A.
Co-Authors Emon Azriadi Romiyadi