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All Journal LONTAR Jurnal Teknik Mesin Undana (LJTMU )
Daud P. Mangesa
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Mechanical Engineering

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Modifikasi Alat Pemarut Kelapa Sistem Mekanis Dengan Mata Pisau Setengah Lingkaran Marten E. Manane; Daud P. Mangesa; Defmit B.N. Riwu
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 8 No 02 (2021): Oktober 2021
Publisher : Jurusan Teknik Mesin, Fakultas Sains dan Teknik, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/ljtmu.v8i02.5944

Abstract

Today's increasingly rapid technology encourages people to continue to innovate in creating facilities and infrastructure to improve work efficiency and effectiveness. The aim of this research is to modify the mechanical system coconut grater with a semi-circular blade equipped with a coconut shell clamp. The manufacture of this coconut grater tool with a semi-circular blade uses the standard VDI 2221 design method. The design and technical drawings of the tool use the Autodesk Inventor software 2008 and the design is then realized according to the technical drawings. The result of this research is a coconut grater with a driving motor power of 0.2 kW. In this study, this coconut grater tool was used in grating coconut whether it worked according to the design drawing or not. The end result of making this tool is that it can be successfully made and can be used
OPTIMASI MESIN PERAJANG SINGKONG DENGAN MEKANISME PENDORONG BAHAN BAKU OTOMATIS Altruis Krisman Runesi; Daud P. Mangesa; Rima Nindia Selan
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 12 No 01 (2025): April 2025
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/ljtmu.v12i01.12022

Abstract

ABSTRACT Cassava is one of the agricultural commodities spread across most parts of Indonesia, especially in the province of NTT. The abundant potential makes cassava a staple food for the people of East Nusa Tenggara. UD. ML is a company that produces and markets cassava chips to meet the needs of the people of Kupang and its surroundings. During the cassava chips production process, the tools used are still using manual choppers with human power, so that it can cause defective products to be produced, such as errors in cutting that are not too thin or thick and the pieces are destroyed because they are too thin and worker fatigue when chopping cassava . The research method used in this study is the experimental method, observation and literature study. From the test results, it was found that the chopping capacity at blade setting A was 660 grams, knife B was 740 grams, and knife C was 800 grams, with a thickness of 1-3mm.
RANCANG BANGUN MESIN MIXER PUPUK ORGANIK Yosua Guntur silambi; Daud P. Mangesa; Yeremias M. Pell
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 12 No 02 (2025): Oktober 2025
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/ljtmu.v12i02.22881

Abstract

Organic fertilizers are fertilizers composed of living matter, such as weathering of animal and human plant residues. Organic fertilizers have more organic matter than nutrient content. Organic fertilizers have the advantage of being environmentally friendly, providing nutrients and macro elements for plants, functioning as soil dividers, improving soil structure, improving soil pore size which in turn makes water holding capacity and soil aeration better. Raw materials that can be used in making organic fertilizers include animal manure, rice husks, soil and charcoal. making organic fertilizer is a very heavy job and requires a long time to produce organic fertilizer until it is ready to use if done manually. This is what encourages research to increase the author's knowledge in the research “DRY ORGANIC PUPUK MIXER MACHINE DESIGN” in order to help make it easier to produce organic fertilizer in the next two decades
Co-Authors Altruis Krisman Runesi Defmit B.N. Riwu Marten E. Manane Rima Nindia Selan Yeremias M. Pell Yosua Guntur silambi