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Sitorus, Fransnazoan
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Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Level of Wear Occurring on the Long Arm due to Friction with Palm Kernel Shells in the Digester Machine Dejoi Irfian Situngkir; Sitorus, Fransnazoan; M. Rahmad Hidayat Panggabean
Jurnal Inotera Vol. 9 No. 2 (2024): July - December 2024
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol9.Iss2.2024.ID428

Abstract

A digester is a piece of equipment consisting of a cylindrical tube with both long and short knives. This tool is used to aid the processing by slicing and stirring, making the fruit soft. Common issues with digesters usually involve wear and breakage of the digester knives. Wear is generally understood as the loss of material due to the mechanical interaction between two moving and loaded surfaces. Wear can disrupt the production process, affecting the company's productivity. The objective of this research is to determine the volume and rate of wear on the long arm of a cast steel digester. Based on this study, the wear value obtained for the long arm digester is a wear volume of 19,117,969 mm³ and a wear rate of 9,558.984 mm³/hour under a load of 23,520 N over 2,000 hours of operation. This indicates that the replacement of the long arm digester should be performed according to the specified operational time limits while considering the load entering the digester, in order to prevent a decrease in the company's productivity.
Determining the Main Sizes of Gears to Drive Rubber Sheet Roll Grinding Machines on Speed Roll Rotation on the Roll Machine Unit Sheeter Sitorus, Fransnazoan; Dejoi Irfian Situngkir; Aji Mirwarna; Nuzuli Fitriadi
Jurnal Inotera Vol. 10 No. 2 (2025): July - December 2025
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol10.Iss2.2025.ID496

Abstract

This research aims to determine the main dimensions of the roll drive gear on the roll rotation speed in the roll sheeter machine. The roll rotation speed influences the quality and efficiency of the milling process to produce Ribbed Smoke Sheet. The results of the research show that the main sizes of gears on the roll sheeter machine are the gear module used is 8.34 mm, the diameter of the stitch is (150.12 mm), the inside diameter is (129.27 mm), the outside diameter is (166.80 mm), tooth height (18.76 mm), circle distance (26.18 mm), tooth width (125.10 mm), and tooth thickness (14.40 mm) and roll rotation speed on the roll sheeter machine (roll-1 =0.45 m/s), (roll-2 =0.49 m/s), (roll-3 =0.53 m/s), (roll-4 =0.57 m/s), (roll-5 =0.68 m/s), and (roll-6 =0.56 m/s).
Co-Authors Aji Mirwarna Dejoi Irfian Situngkir Fitriadi, Nuzuli M. Rahmad Hidayat Panggabean