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All Journal Jurnal Teknik Mesin Jurnal Mechanical Jurnal Teknik Journal of Dynamics Jurnal Teknik Mesin Indonesia G-Tech : Jurnal Teknologi Terapan Quantum Teknika Jurnal Teknik Mesin OrchidAgro Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) International Journal of Advanced Multidisciplinary Jurnal Sains dan Ilmu Terapan Journal of Community Service in Science and Engineering Jurnal Rekayasa Proses dan Industri Terapan Abdimas Terapan: Jurnal Pengabdian Kepada Masyarakat Terapan Indonesia Bergerak: Jurnal Hasil Kegiatan Pengabdian Masyarakat
Romiyadi
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Journal : Jurnal Teknik

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Pemanfaatan Limbah Batang Kelapa Sawit Menjadi Bahan Baku Papan Blockboard Romiyadi, Romiyadi; Irwan, Purnama; Masriyanto, Masriyanto
JURNAL TEKNIK Vol. 18 No. 2 (2024): Edisi Oktober 2024
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v18i2.20268

Abstract

Studi ini bertujuan untuk mengembangkan blockboard menggunakan limbah batang kelapa sawit, serta membandingkan kualitasnya, baik sifat fisik maupun mekanik, dengan produk blockboard komersial. Fokus pengujian meliputi ketahanan tarik, fleksibilitas dan penyerapan air. Bahan utama yang digunakan adalah residu dari proses pembaruan perkebunan kelapa sawit berumur 25-30 tahun, dengan batang yang diambil 0-1 meter dan 1-2 meter dari tanah. Temuan dari penelitian menunjukkan bahwa blockboard dari batang kelapa sawit, terutama yang diambil 0-1 meter dari dasar, menunjukkan performa yang lebih baik dalam aspek kekuatan tarik dan lentur dibandingkan dengan versi komersialnya. Namun, produk komersil memiliki keunggulan dalam hal penyerapan air dibandingkan dengan prototipe dari batang kelapa sawit
Kegagalan Poros Input Gearbox Screw Decanter pada Unit Pengolah Limbah Kelapa Sawit adi, Adi Febrianton; Sepfitrah; Romiyadi; Yuvendius, Hazra; Irwan, Purnama
JURNAL TEKNIK Vol. 17 No. 1 (2023): Edisi April 2023
Publisher : JURNAL TEKNIK UNILAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/teknik.v16i2.11049

Abstract

The use of Centrifuge Decanter as a waste treatment in industry has been widely used. Centrifuge Decanter separates waste in the form of a mixture of solids and liquids (slury) by utilizing the centrifugal force generated by the difference in the rotation of the tube (bowl) and screw conveyor. The rotation of the screw conveyor is reduced through a cycloidal gearbox. The shaft in the cycloid breaks during operation, for that it is necessary to conduct research to determine the cause of this shaft fracture. This research starts from a literature study that discusses the working mechanism of the decanter and the causes of the failure of the cycloidal gearbox shaft. For completeness of the analysis, data collection includes data on engine operation, physical and mechanical properties of the shaft material, fractography of the shaft and the stresses acting on the shaft. From the results of data analysis, it is known that the shaft has ductile fracture due to overload. The load that causes the shaft to break is the torsional load that comes from the rotation of the decanter tube at the initial start of the engine. Torque due to the rotation of the tube produces a shear stress that exceeds the yield stress of the shaft material plus a stress concentration factor in the fractured shaft fillet area.
Co-Authors Adi Febrianton Adi Febrianton Adi Febrianton Adi Febrianton adi, Adi Febrianton Ai Komariah -, Ai Komariah Anna Dhora Dwianda, Yudi Dyah Setya Wuryani Emon Azriadi Fatmayati Fatmayati Febrianton, Adi Hazra Yuvendius Indah Purnama Puilltri Indah Purnama Putri Irwan, Purnama Lia Amalia Luthful Hakim Masriyanto, Masriyanto Muhammad Subandi Mustika, Widya Sinta Noertjahyani Noertjahyani Nopriadi Nopriadi Nurul Hanati, Ayu Purnama Irwan Purnama Irwan Purnama Irwan Purnama Putri, Indah Putri, Indah Purnama Ramaddan, Arya Imansyah Ria, Elly Roosma Sepfitrah Tulus Swasono Yudi Dwianda Yudi Dwianda