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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Journal of Tropical Soils Jurnal Rekayasa Mesin Media Teknika Infotekmesin Jurnal Nuansa Akademik: Jurnal Pembangunan Masyarakat Accurate: Journal of Mechanical Engineering and Science Journal of Community Development Abdi Masya Jurnal Pengabdian kepada Masyarakat Dedikasi: Jurnal Pengabdian kepada Masyarakat Jurnal Polimesin Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Pengabdian: Jurnal Abdimas
Roy Aries Permana Tarigan
Politeknik Negeri Cilacap
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Desain Pisau Pengurai dan Sistem Pengayak serta Uji Produk Mesin Pengolah Sabut Kelapa sebagai Bahan Mentah Komposit Roy Aries Permana Tarigan; Kaleb Priyanto; Jenal Sodikin; M R Pratama; I R Ramadhani
Infotekmesin Vol 15 No 1 (2024): Infotekmesin: Januari, 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i1.2097

Abstract

This research aims to design a decomposing blade, sieving system, and test machine products. The method for completing coconut fiber processing machines consists of three stages, namely the design and production process stages, as well as machine product testing. This research produces the following data, namely the design of the untangling knife which is a combination of the functions of the coir untangling knife for random and woven results. Calculation of the equilibrium moment on the shaft obtained a value of ???????????? is 28.68 N and the reaction at point A was ???????????? is 28.32 N, with the diameter of the shaft used in the coconut fiber sieving machine transmission system being Ø28 mm. Fiber uniformity is obtained from twice decomposition processes, whereas the level of fiber/powder uniformity is influenced by the long sieving process time and also the high rotational speed of the sieve.
Peningkatan Pengetahuan Peternak Kambing Melalui Penyuluhan Pemeliharaan Ternak di Desa Banjarwaru Pramita, Ayu; Fadlilah, Ilma; Syafirullah, Lutfi; Tarigan, Roy Aries Permana; Ulikaryani, Ulikaryani; Sodikin, Jenal
Nuansa Akademik: Jurnal Pembangunan Masyarakat Vol. 9 No. 2 (2024)
Publisher : Lembaga Dakwah dan Pembangunan Masyarakat Universitas Cokroaminoto Yogyakarta (LDPM UCY)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Many farmers Banjarwaru complain that goat growth is less than optimal, and low productivity. Based on these problems, this community service program aims to ensure that farmers understand and are able to manage goat farms according to standards independently. The method used in this community service program is to look at achievement indicators from socialization activities and cage management training and animal health recording. Based on the achievement indicators from this activity, it shows that 100% of the 20 breeders understand livestock management, housing, and the correct way to record livestock health. A total of 15 people have been able to use maintenance tools and techniques for handling diseases infected by livestock. Based on the results of the achievement indicators obtained from this service activity, it was concluded that breeders in Banjarwaru Village knew and understood the correct way to raise goats and were able to carry out maintenance activities according to good standards.
Pengaruh Delignifikasi Alkali terhadap Perubahan Struktur Lignoselulosa Serbuk Sabut Kelapa sebagai Pengisi Komposit Geopolimer Tarigan, Roy Aries Permana; Pramita, Ayu; Hastuti, Sri; Nurhilal, Mohammad
Jurnal Rekayasa Mesin Vol. 19 No. 3 (2024): Volume 19, Nomor 3, Desember 2024
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v19i3.6050

Abstract

Sabut kelapa, salah satu komoditi di Cilacap, memiliki potensi besar sebagai bahan olahan untuk berbagai aplikasi termasuk sebagai pengisi komposit geopolimer. Namun, kandungan lignin yang tinggi pada serbuk sabut kelapa dapat menghambat pemanfaatannya secara optimal. Delignifikasi alkali merupakan metode yang digunakan untuk mengurangi lignin dan meningkatkan selulosa. Penelitian ini bertujuan untuk mengetahui pengaruh delignifikasi alkali terhadap perubahan struktur lignoselulosa serbuk sabut kelapa, sehingga hasil penelitian ini dapat dijadikan referensi pada optimalisasi sifat mekanik komposit geopolimer. Metode penelitian meliputi perlakuan delignifikasi alkali, dengan variasi konsentrasi 1% dan 2% larutan NaOH, pada serbuk sabut kelapa dan karakterisasi struktur lignoselulosa menggunakan Chesson-Datta dan FTIR (Fourier Transform Infra Red). Hasil penelitian menunjukkan bahwa perlakuan delignifikasi alkali berhasil menurunkan kadar lignin pada interval 9% - 11% dan mengubah struktur lignoselulosa serbuk sabut kelapa. Berdasarkan hasil FTIR, puncak serapan bilangan gelombang 3310,83 cm-1 membuktikan adanya gugus fungsi O-H stretch, pada bilangan gelombang 2917,56 cm-1 membuktikan adanya gugus fungsi C-H Stretch. Puncak bilangan gelombang 1370,68 cm-1 membuktikan adanya gugus fungsi C-H bend dan pada bilangan gelombang 1225,78 cm-1 membuktikan adanya gugus fungsi C-O stretch.
Distortion and mechanical properties of welded AA5083 aluminum material with friction stir welding Pujono, Pujono; Kurniawan, Ipung; Pribadi, Joko Setia; Laksana, Nur Akhlis Sarihidaya; Tarigan, Roy Aries Permana
Jurnal Polimesin Vol 23, No 5 (2025): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i5.7798

Abstract

AA5083 series aluminum is one of the primary materials used in ship construction due to its excellent weldability in conventional welding processes, such as arc welding. However, similar to other aluminum alloys, the weakness of AA5083 is the occurrence of frost cracking during the welding process, especially in the HAZ and the large amount of distortion.. The research was conducted by providing additional treatment in the form of in-situ rolling on friction stir welding (FSW). The in-situ rolling treatment used a single roll positioned directly on the weld area and behind the FSW tool and moving simultaneously with the welding process and with a roll load of 8000N. The characterization carried out included thermal cycle measurements, microstructure observations, hardness value distribution testing, distortion measurements and tensile testing. The results showed that the largest distortion value occurred in the welded material without additional treatment (as welded) of 2.81 mm, while in the material with additional treatment (mechanical), the distortion value was smaller at 1.1 mm. The mechanical specimen had the best mechanical qualities, with a tensile strength of 225.5 MPa and an average hardness value of 61 VHN, whereas the as-welded specimen's tensile strength was 201.8 MPa. This phenomenon occurs because the specimen, with the addition of in situ rolling, experiences grain refinement, and it seems that this is consistent with the Hall-Petch relationship, σ_y=σ_0+k_y d^(-1/2)Materials with fine grains are harder and stronger than materials with coarse grains, because fine grains have a larger total grain boundary area to hinder dislocation movement. The tensile fracture position was in the advancing side region, where higher heat input occurred in this region than in the retreating side. 
PENERAPAN TEKNOLOGI MESIN PEMISAH DAGING DAN TULANG IKAN RUCAH PADA KELOMPOK NELAYAN DI CILACAP Fadlilah, Ilma; Shadiq, Zhilal; Tarigan, Roy Aries Permana
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 6 (2025): Nopember 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jabdi.v5i6.11329

Abstract

Kabupaten Cilacap memiliki potensi perikanan tangkap yang sangat besar, namun hasil tangkapan ikan tidak hanya terdiri atas jenis-jenis ikan yang diinginkan, tetapi juga terdiri atas jenis ikan-ikan kecil yang kurang diminati oleh pasar atau disebut sebagai ikan rucah. Ikan rucah yang tidak bernilai ekonomis pada umumnya hanya dibiarkan membusuk dan dibuang ke lingkungan. Tujuan utama kegiatan pengabdian ini adalah untuk mengoptimalkan pengelolaan hasil laut di wilayah Cilacap, dan meningkatkan kesejahteraan masyarakat melalui pemanfaatan hasil samping tangkapan ikan dan mengurangi jumlah ikan rucah yang terbuang percuma ke lingkungan. Metode pengabdian yang diterapkan untuk menjadi solusi adalah sosialisasi dan penerapan teknologi alat pemisah daging dan tulang ikan rucah. Hasil kegiatan pengabdian menunjukkan tingginya antusiasme masyarakat dalam penerapan teknologi, sehingga 70% dari masyarakat yang mengikuti kegiatan telah mampu mengoperasikan mesin secara mandiri termasuk dalam aspek keamanan dan perawatan dasar, dan masyarakat telah mampu mengolah ikan rucah dengan kapasitas mencapai 50 kg/jam.
Pelatihan Pengolahan Limbah Kayu Mahoni (Swietenia Mahagoni) Pada BUMDes Banjarwaru Radhi Ariawan; Nur Akhlis Sarihidaya Laksana; Unggul Satria Jati; Roy Aries Permana Tarigan; Bayu Aji Girawan; Linda Perdana Wanti; Nur Wachid Adi Prasetya; Ganjar Ndaru Ikhtiagung
Journal of Community Development Vol. 5 No. 2 (2024): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v5i2.258

Abstract

Banjarwaru village is one of the villages in Cilacap district with the potential for wooden broom handle craft commodities. The processing of mahogany wood (Swietenia mahagoni) into broom handles produces wood waste that has not been utilized optimally. The accumulation of wood waste is caused by a lack of knowledge among the Banjarwaru village woodworking community regarding the potential dangers, benefits, and economic value of wood waste. Therefore, training in wood waste processing into value-added products such as particleboard is needed. The Community service team together with BUMDes Banjarwaru carried out mentoring activities as a solution method for utilizing wood waste. The mentoring activities carried out consist of educating the negative effects of wood waste on the environment, educating the potential and benefits of wood waste in another processed forms, and training in wood waste processing into particleboard. These series of activities succeeded in increasing the woodworking community understanding of wood waste by 81.6%. The success rate of mentoring reached 91,67% shown by 11 out of 12 mentoring participants understood the potential danger, benefits, and other processed forms of wood waste.
Pengembangan Sistem Budidaya Kepiting Sistem Tray Berbasis Energi Terbarukan di Eduwisata Cigimbal Park Asa Taufiqurrahman; Bayu Aji Girawan; Agus Santoso; Radhi Ariawan; Roy Aries Permana Tarigan; Ulikaryani; Ghia Pisti Cikarge; Yonathan Ito
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 2 (2026): Jurnal Dedikasi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/dedikasi.v6i2.454

Abstract

Budidaya kepiting bakau (Scylla spp.) merupakan salah satu kegiatan ekonomi yang memiliki potensi tinggi di wilayah pesisir. Namun, keterbatasan lahan budidaya dan penggunaan sistem konvensional menjadi kendala dalam peningkatan kapasitas produksi. Kegiatan pengabdian kepada masyarakat ini bertujuan menerapkan sistem budidaya kepiting model tray berbasis energi terbarukan di Eduwisata Cigimbal Park, Kabupaten Cilacap. Sistem yang dikembangkan mengintegrasikan kompartemen tray bertingkat, Recirculating Aquaculture System (RAS), dan Pembangkit Listrik Tenaga Surya (PLTS). Metode pelaksanaan meliputi survei lokasi, perancangan dan instalasi sistem tray, pemasangan sistem filtrasi dan RAS, instalasi PLTS, serta pelatihan pengoperasian dan perawatan sistem kepada mitra. Hasil kegiatan menunjukkan bahwa sistem budidaya kepiting model tray berhasil diimplementasikan dengan baik dan mampu meningkatkan kapasitas budidaya dari 4 ekor/m² pada sistem floating crab box menjadi 12 ekor/m² pada area yang sama atau meningkat sebesar 200%. Integrasi RAS membantu menjaga kualitas air melalui sirkulasi dan filtrasi berkelanjutan, sedangkan PLTS menyediakan sumber energi yang ramah lingkungan untuk mendukung operasional sistem. Program ini menunjukkan bahwa penerapan sistem tray berbasis energi terbarukan berpotensi meningkatkan produktivitas budidaya, efisiensi pemanfaatan lahan, dan mendukung pengembangan ekonomi masyarakat pesisir secara berkelanjutan. Keywords: aquaculture, crab cultivation, renewable energy, RAS, tray system
Wood Waste Crushing Machine Training at BUMDes Banjarwaru Sejahtera Linda Perdana Wanti; Nur Akhlis Sarihidaya Laksana; Unggul Satria Jati; Roy Aries Permana Tarigan; Bayu Aji Girawan; Radhi Ariawan; Nur Wachid Adi Prasetya; Ganjar Ndaru Ikhtiagung
Pengabdian: Jurnal Abdimas Vol. 2 No. 3 (2024)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/abdimas.v2i3.847

Abstract

Background. BUMDes Banjarwaru Sejahtera is a business owned and managed by the people of Banjarwaru Village, Cilacap Regency. Some of the businesses that have been managed by BUMDes Banjarwaru Sejahtera include renting molen machines and making handicrafts such as broom handles and woven bamboo household crafts which produce an abundance of wood waste left over from the production process. So far, this wood waste has been sold to tofu craftsmen as fuel for the tofu production process. Purpose. People can use wood waste as added value by processing wood waste into handicrafts that have high economic value so that they can improve the welfare of the people of Banjarwaru village. Through this community service activity, training will be held on the use of wood waste chopping machines so that processed wood waste can be made into handicrafts such as particle boards or other handicrafts. Method. The method used is a lecture method where the community service team who are lecturers at the Cilacap State Polytechnic provide training on the use of wood waste chopping machines to members of BUMDes Banjarwaru Sejahtera and several wood craftsmen in Banjarwaru village. Results. The results of this community service activity have had a positive impact on business development at BUMDes Banjarwaru Sejahtera. Conclusion. Through this community service activity, it can be concluded that this activity has had a positive impact on the business development of BUMDes Banjarwaru Sejahtera. Apart from this, training in the use of wood waste chopping machines can also increase the competence of wood craftsmen in Banjarwaru village so they can produce more varied crafts made from wood waste.
Effect of Coir Fiber and Rice Husk Ash on Mechanical and Burning-Rate Properties of Recycled HDPE Composites Rajendra Vian Pradiksa; Kaleb Priyanto; Kriswanto Kriswanto; Khoirul Huda; Martinus Heru Palmiyanto; Bambang Hari Priyambodo; Roy Aries Permana Tarigan; Deslana Avinda Krisna Putra
Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Vol. 4 No. 2 (2026): Manufaktur : Publikasi Sub Rumpun Ilmu
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/manufaktur.v4i2.1526

Abstract

Recycled high-density polyethylene (rHDPE) offers a sustainable alternative to virgin plastics, but repeated processing can degrade its mechanical properties, motivating reinforcement with natural fibers and fillers. This study investigated the combined effect of coir fiber and rice husk ash (RHA) on the mechanical and burning-rate characteristics of rHDPE composites using a two-stage experimental design. In Stage 1, coir fiber content (5, 10, and 15 vol.%) was varied to determine the optimum reinforcement level based on impact strength. In Stage 2, the selected optimum fiber content was combined with RHA (5 and 10 vol.%) to evaluate tensile strength and burning behavior, tested according to ASTM D638, ISO 179, and ASTM D635, respectively. Results showed that 10 vol.% coir fiber produced the highest impact strength (16.36 kJ/m²), while higher fiber loading reduced toughness due to agglomeration and void formation. The composite with 5 vol.% RHA exhibited superior tensile strength (10.46 ± 1.23 MPa), whereas 10 vol.% RHA improved ignition resistance, extending ignition time to 14 s. These findings demonstrate that alkali-treated coir fiber and RHA can enhance rHDPE performance, supporting the valorization of plastic and agricultural waste into sustainable composite materials.
Co-Authors Adam Jauza Maulana Agus Santoso Asa Taufiqurrahman Bambang Hari Priyambodo Bayu Aji Girawan Betti Widianingsih Cecep Deni Mulyadi Deslana Avinda Krisna Putra Editiya Putra Utama Evila Purwanti Sri Rahayu, Theresia Fadlilah, Ilma Fendi Tri Hartono Fikri Adi Kusuma Ganjar Ndaru Ikhtiagung Ghia Pisti Cikarge Girawan, Bayu Aji I R Ramadhani Ikhtiagung, Ganjar Ndaru Jati, Unggul Satria Jenal Sodikin Jenal Sodikin Khoirul Huda Kriswanto Kriswanto Kurniawan, Ipung Kurniawan, Ipung Linda Perdana Wanti Lutfi Syafirullah M R Pratama Martinus Heru Palmiyanto Mohammad Nurhilal Mohammad Nurhilal Mohammad Nurhilal Nur Akhlis Sarihidaya Laksana Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya Nur Wachid Adi Prasetya Pramita, Ayu Pribadi, Joko Setia Priyanto, Kaleb Pujono, Pujono Radhi Ariawan Rajendra Vian Pradiksa Sari Widya Utami Shadiq, Zhilal Sodikin, Jenal Ulikaryani Ulikaryani, Ulikaryani Unggul Satria Jati Vicky Prasetia Wais Al Khorni Wanti, Linda Perdana Yonathan Ito