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Accurate: Journal of Mechanical Engineering and Science
Published by Politeknik Negeri Cilacap
ISSN : 27224279     EISSN : 27225089     DOI : https://doi.org/10.35970
Core Subject : Science, Engineering,
Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Accurate: Journal of Mechanical Engineering and Science is a peer-reviewed open-access journal with e-ISSN 2722-5089 and p-ISSN: 2722-4279 published by Pusat Penelitian dan Pengabdian Masyarakat (P3M) Politeknik Negeri Cilacap. The journal invites scientists and engineers to exchange and disseminate theoretical and practice-oriented in the various topics include, but not limited to mechanical Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 12 Documents
 1   2 
Search results for , issue "Vol. 5 No. 1 (2024): April 2024" : 12 Documents clear
PENERAPAN SISTEM OTOMASI DALAM PEMBERIAN PAKAN IKAN LELE GUNA MENGEFISIENSI WAKTU Sanam, Sanam; Azpah, Inda Aidatul; Bohari, Bohari; Abdillah, Hamid; Putra, Ananda Yutho Wibisono
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.1490

Abstract

Catfish is a cultivated fishery commodity that has quite large business opportunities to be developed to fulfill community nutrition. Feeding in catfish farming is very important and is one of the things that really needs to be considered. Feeding must be planned so that catfish can grow optimally. Unscheduled feeding results in increased cannibalism among catfish. The use of an automation system must be implemented in order to make it easier and more efficient in feeding catfish. The research method used in writing this scientific work is by using literature study. The purpose of this writing is to find out and implement an automation system for feeding catfish to make it easier and more efficient in feeding catfish. The results obtained from this automatic tool can make it easier for humans to operate, so that it no longer needs to be powered manually. Just automatically use the feeder. In conclusion, the implementation of an automatic system using IoT and Arduino Uno has been proven to be able to streamline catfish feeding times.
RANCANG BANGUN SISTEM TRANSMISI PADA MESIN PEMISAH ANTARA DAGING DAN BIJI BUAH DURIAN KAPASITAS 3 KG Kurniawan, Ipung; Pujono; Joko Setia Pribadi; Agus Santoso
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2333

Abstract

Proses pemisahan daging dan biji buah durian menggunakan cara manual memiliki kesulitan dan kelemahan yang membuat pekerja mengalami cidera pada jari tangan dan membutuhkan waktu serta tenaga yang banyak. Penelitian ini bertujuan merancang dan membuat sistem transmisi mesin pemisah daging buah dari biji durian serta melakukan pengujian fungsi dan hasil. Metode yang dilakukan melalui observasi langsung di UMKM untuk merealisasikan mesin tersebut. Hasil yang diperoleh berupa putaran output sebesar 200 rpm dengan kapasitas mesin 3 kg. Sistem transmisi yang digunakan pada mesin adalah puli dan sabuk-v tipe B dengan sumber penggerak berupa motor listrik AC 1 HP. Hasil pengujian fungsi terhadap sistem transmisi menunjukkan bahwa setiap komponen mesin dapat berfungsi dengan baik sesuai dengan fungsi serta mampu menghasilkan putaran 200 rpm sesuai yang direncanakan. Hasil pengujian menunjukkan dengan 2 mata blade dengan waktu 30 detik menghasilkan jumlah rata – rata pemisahan sebesar 1.495 kg. Sedangkan dengan 3 mata blade dengan waktu 30 detik menghasilkan jumlah rata-rata pemisahan sebesar 1.580 kg. Jadi pengaduk dengan 3 mata blade lebih efisien untuk proses pemisahan daging buah dari biji durian.
PENGARUH PENAMBAHAN LIMBAH KULIT PINUS TERHADAP HASIL PIROLISIS LIMBAH PLASTIK HDPE SEBAGAI BAHAN BAKAR ALTERNATIF Sigit Mujiarto; Rany Puspita Dewi; Ali Suhadla
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2340

Abstract

Waste often becomes a problem for society. Pyrolysis is considered an effective solution to reduce waste and can produce end products that can be utilized as energy sources. This study uses HDPE plastic waste with variations in the addition of pine bark waste at 0%, 25%, 50%, and 75%, with a total mass of 500 grams and the addition of 100 grams of bentonite catalyst. The pyrolysis process is carried out for 120 minutes at a temperature of 320°C. The aim is to examine the effect of adding pine bark on the pyrolysis oil yield of HDPE plastic as an alternative fuel using parameters of fuel physical characteristics, including density, viscosity, and calorific value. The best results show that the variations of adding 50% and 75% pine bark waste have physical characteristics equivalent to B20 and B30 fuels, with density, viscosity, and calorific values of 0.8307 g/ml, 2.341 cSt, and 10,644.894 cal/g for the 50% pine bark variation, and 0.8367 g/ml, 2.467 cSt, and 10,491.863 cal/g for the 75% pine bark variation, respectively.
DESIGN PELUBANG PLASTIK MULSA DENGAN SISTEM ELEKTRIK Rachmawati, Putri; Mirza Yusuf
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2341

Abstract

The purpose of this study was to lighten rice farmers and chili farmers so that there are no complaints of fatigue, joint pain because in perforating plastic it takes a long time to perforate. This tool method uses an electrical system which uses battery indicators and diameter sizes of 0.05 cm, 0.06 cm and 0.07 cm, so that it can make it easier for farmers according to the size to be used. This study was designed with an electrical system using 4 lithium batteries. The level of effectiveness of the resulting time in plastic holes with an area of 12 m2 is 10 minutes for 70 plastic holes.
EVALUASI TEKNIS KONSEP PADA DESAIN ALAT PENEBAR PUPUK BUTIRAN Editiya Putra Utama; Jenal Sodikin; Tarigan, Roy Aries Permana; Mohammad Nurhilal; Cecep Deni Mulyadi; Ulikaryani
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2373

Abstract

The technique of spreading fertilizer on rice plants is an important part of equalizing land fertility. In general, farmers use their hands to spread granular fertilizer. The spreading process results in an irregular distribution of fertilizer and also takes a relatively long time. The aim of this research is to design a granular fertilizer spreader based on a technical evaluation of the concept. The Pahl and Beitz design method became a theoretical reference in finalizing the design of the granular fertilizer spreader form. Working drawings are prepared based on ISO standards using Solidwork 2018 software. Based on the results of the technical evaluation of the concept, the design of the granular fertilizer spreader is composed of thirty-three constituent components.
ANALISIS KOMPETENSI YANG DIBUTUHKAN NELAYAN DALAM MENGHADAPI PERKEMBANGAN TEKNOLOGI KAPAL PROPULSI LISTRIK Nurpalah, Muhamad Rizki; Hamid Abdillah; Iskendar
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2375

Abstract

Research on the competencies needed by fishermen in an era of increasingly rapid technological progress aims to explain the basic competencies that electric propulsion boat users need to have. Analysis based on implementation needs to be carried out with the aim of adapting the use of water transportation technology, namely ships with electric power, according to the required competencies. This research was carried out using a descriptive qualitative approach method with a literature study type of research. The research was carried out by collecting data from secondary sources such as books and journal articles related to the variables and subjects of this research. From the research results, a comparison was obtained between the abilities currently possessed by fishermen, and the abilities that fishermen must have in the future in facing developments in water transportation. It is known that, in terms of use, users need to understand the use of electric propulsion ships and K3 in their application, in terms of understanding more about the main components of the technology used, in terms of maintenance being able to repair and maintain the components, and understanding the social impacts that occur as well as the advantages and disadvantages of using them. Therefore, efforts are needed to educate the public so that they can easily receive clear information about electric propulsion ship technology, so that the results of the development of this technology can be accepted by the general public.
PENERAPAN SISTEM OTOMASI DALAM PEMBERIAN PAKAN IKAN LELE GUNA MENGEFISIENSI WAKTU Sanam, Sanam; Azpah, Inda Aidatul; Bohari, Bohari; Abdillah, Hamid; Putra, Ananda Yutho Wibisono
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.1490

Abstract

Catfish is a cultivated fishery commodity that has quite large business opportunities to be developed to fulfill community nutrition. Feeding in catfish farming is very important and is one of the things that really needs to be considered. Feeding must be planned so that catfish can grow optimally. Unscheduled feeding results in increased cannibalism among catfish. The use of an automation system must be implemented in order to make it easier and more efficient in feeding catfish. The research method used in writing this scientific work is by using literature study. The purpose of this writing is to find out and implement an automation system for feeding catfish to make it easier and more efficient in feeding catfish. The results obtained from this automatic tool can make it easier for humans to operate, so that it no longer needs to be powered manually. Just automatically use the feeder. In conclusion, the implementation of an automatic system using IoT and Arduino Uno has been proven to be able to streamline catfish feeding times.
RANCANG BANGUN SISTEM TRANSMISI PADA MESIN PEMISAH ANTARA DAGING DAN BIJI BUAH DURIAN KAPASITAS 3 KG Kurniawan, Ipung; Pujono; Joko Setia Pribadi; Agus Santoso
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2333

Abstract

Proses pemisahan daging dan biji buah durian menggunakan cara manual memiliki kesulitan dan kelemahan yang membuat pekerja mengalami cidera pada jari tangan dan membutuhkan waktu serta tenaga yang banyak. Penelitian ini bertujuan merancang dan membuat sistem transmisi mesin pemisah daging buah dari biji durian serta melakukan pengujian fungsi dan hasil. Metode yang dilakukan melalui observasi langsung di UMKM untuk merealisasikan mesin tersebut. Hasil yang diperoleh berupa putaran output sebesar 200 rpm dengan kapasitas mesin 3 kg. Sistem transmisi yang digunakan pada mesin adalah puli dan sabuk-v tipe B dengan sumber penggerak berupa motor listrik AC 1 HP. Hasil pengujian fungsi terhadap sistem transmisi menunjukkan bahwa setiap komponen mesin dapat berfungsi dengan baik sesuai dengan fungsi serta mampu menghasilkan putaran 200 rpm sesuai yang direncanakan. Hasil pengujian menunjukkan dengan 2 mata blade dengan waktu 30 detik menghasilkan jumlah rata – rata pemisahan sebesar 1.495 kg. Sedangkan dengan 3 mata blade dengan waktu 30 detik menghasilkan jumlah rata-rata pemisahan sebesar 1.580 kg. Jadi pengaduk dengan 3 mata blade lebih efisien untuk proses pemisahan daging buah dari biji durian.
PENGARUH PENAMBAHAN LIMBAH KULIT PINUS TERHADAP HASIL PIROLISIS LIMBAH PLASTIK HDPE SEBAGAI BAHAN BAKAR ALTERNATIF Sigit Mujiarto; Rany Puspita Dewi; Ali Suhadla
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2340

Abstract

Waste often becomes a problem for society. Pyrolysis is considered an effective solution to reduce waste and can produce end products that can be utilized as energy sources. This study uses HDPE plastic waste with variations in the addition of pine bark waste at 0%, 25%, 50%, and 75%, with a total mass of 500 grams and the addition of 100 grams of bentonite catalyst. The pyrolysis process is carried out for 120 minutes at a temperature of 320°C. The aim is to examine the effect of adding pine bark on the pyrolysis oil yield of HDPE plastic as an alternative fuel using parameters of fuel physical characteristics, including density, viscosity, and calorific value. The best results show that the variations of adding 50% and 75% pine bark waste have physical characteristics equivalent to B20 and B30 fuels, with density, viscosity, and calorific values of 0.8307 g/ml, 2.341 cSt, and 10,644.894 cal/g for the 50% pine bark variation, and 0.8367 g/ml, 2.467 cSt, and 10,491.863 cal/g for the 75% pine bark variation, respectively.
DESIGN PELUBANG PLASTIK MULSA DENGAN SISTEM ELEKTRIK Rachmawati, Putri; Mirza Yusuf
Accurate: Journal of Mechanical Engineering and Science Vol. 5 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v5i1.2341

Abstract

The purpose of this study was to lighten rice farmers and chili farmers so that there are no complaints of fatigue, joint pain because in perforating plastic it takes a long time to perforate. This tool method uses an electrical system which uses battery indicators and diameter sizes of 0.05 cm, 0.06 cm and 0.07 cm, so that it can make it easier for farmers according to the size to be used. This study was designed with an electrical system using 4 lithium batteries. The level of effectiveness of the resulting time in plastic holes with an area of 12 m2 is 10 minutes for 70 plastic holes.

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