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Pemotongan Daun Worm Screw Setengah Lingkaran Untuk Mengurangi Broken Nut  Pada Statiun Press PT X Armanda Purba
JURNAL VOKASI TEKNIK Vol 1 No 01 (2023): APRIL ISSUE | JUVOTEK JURNAL
Publisher : CV MEDAN TEKNO SOLUSI

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Abstract

The worm screw press is one of the main components of the Crude Palm Oil extracting machine. The purpose of this research is to find out the amount of pressure that acts on the worm screw press when pressing fiber and nuts. Where in this study there has been a change in the dimensions of the worm screw by cutting the semicircular leaves to get the percentage of broken nuts produced. The research took place from visual inspection and factory testing including tool testing, pressure, and studying the process, the working principle of the screw press machine and recording the specifications of the screw press tool. From the test results, it was found that the worm screw press pressure before cutting was 10676.17 N.m2, while the worm screw press pressure that occurred after cutting the semicircular leaves was 9857.05 N.m2. The greater the worm screw press pressure that works to get maximum oil pressing results but causes broken nuts to be included in the dregs of the press, while the small worm screw press pressure causes oil losses but produces a few broken nuts. The disturbance that occurs in the screw press is a pressure problem.
Perhitungan Neraca Massa Pada Unit Screw Press di PT. XYZ Novia Nelza
JURNAL VOKASI TEKNIK Vol 1 No 01 (2023): APRIL ISSUE | JUVOTEK JURNAL
Publisher : CV MEDAN TEKNO SOLUSI

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Function of screw press is for extraction or separate crude oil from mesocarp based on mechanical. In extraction process based on mechanical all the mass out from digester will be extraction on unit is named screw press with capacity 12 ton/hour. In extraction process is added dillution water 9% from capacity process. This study aims to calculate mass in and out from screw press. The method is used calculating of mass balance. The mass balance is a calculation of all the materials that enter, accumulate and leave a system within a certain time. For the result of mass balance flow mass enter on screw press such as mass out from digester is 8,0604 ton/hour dan dilution water is 1,08 ton/hour. While flow mass out of screw press dregs of press is 2,352 ton/hour dan crude palm oil is 6,7884 ton/hour.
Co-Authors Armanda Purba Novia Nelza