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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal Rekayasa Mesin Infotekmesin Bubungan Tinggi: Jurnal Pengabdian Masyarakat Madani : Indonesian Journal of Civil Society Accurate: Journal of Mechanical Engineering and Science Abdi Masya JURNAL INOVASI TEKNIK INDUSTRI
Ulikaryani, Ulikaryani
Politeknik Negeri Cilacap
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Aplikasi 3D Printer Fused Deposite Material (FDM) pada Pembuatan Pola Cor Hamid Abdillah; Ulikaryani Ulikaryani
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol 13, No 2 (2019): SINTEK JURNAL
Publisher : University of Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.13.2.110-115

Abstract

Metal Casting Industry has a classic problem in handling the production process and quality assurance. This research aims to provide solutions to solve the problems of the metal casting industry by introducing and applying 3D printers with a fused deposit material system. this technology is used to streamline the production process of cast patterns. The process of making a casting pattern usually takes 70% of the total production time of a cast product. The purpose of this study is to examine the application of making cast patterns with a 3D printer with a fused deposit material system. The research methods carried out are (1) create of 3D CAD cast patterns, (2) conversion to STL format, (3) 3D printer setup, (4) printing process, (5) analysis, (6) conclusions. The results obtained are a 3D printer with a fused deposit material system that can be used to make cast patterns. From the analysis of the accuracy of the cast pattern with the 3D printer has a difference in size ranging from 0.2 mm. As for the analysis of the quality of the geometry, the results of the cast pattern of the 3D printer with the fused deposit material system have a good shape but lack results on the surface. Thus a 3D printer with a fused deposit material system is suitable for making cast patterns because it has a consistent tendency and ease in making cast patterns. This opens up opportunities for continued development of 3D printers in the metal casting industry sector.
Pengaruh Variasi Suhu pada Aerator 10 Watt dengan Panel Surya 80 WP Terhadap Kandungan Oksigen Terlarut Putri Rachmawati; Rinasa Agistya Anugrah; Ulikaryani Ulikaryani
Accurate: Journal of Mechanical Engineering and Science Vol 3, No 1 (2022): April 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v3i1.1272

Abstract

Pemenuhan energi terhadap manusia maupun hewan semakin hari semakin meningkat. Hal ini dibuktikan dengan pemenuhan kebutuhan listrik. Kebutuhan tersebut menjadikan kebutuhan pokok, dimana manusia dan hewan membutuhkan konsumsi listrik 24 jam. Sehingga dibutuhkan energi terbarukan dengan pembangkit tenaga surya untuk listrik 12 jam. Penelitian ini difokuskan pada pemenuhan konsumsi listrik pada kolam ikan nila dengan panel surya 80 WP dan daya aerator 10 watt. Tujuan penelitian ini adalah untuk mengetahui kadar oksigen yang terlarut dalam air, suhu dalam air serta suhu di lingkungan sekitar. Metode penelitian ini menggunakan metode pengamatan langsung terhadap oksigen terlarut dengan waktu pengambilan data yang telah ditentukan menggunakan alat ukur Dissolved oksigen yang bisa digunakan di dalam air. Hasil penelitian ini menunjukkan bahwa kadar oksigen terlarut dihasilkan sebesar 14.61 mg/l dengan thermal dalam air sebesar 26.30C serta thermal lingkungan sekitar 280C.
Pemberdayaan Pemuda Karang Taruna Desa Widarapayung Wetan Kabupaten Cilacap melalui Pelatihan Membatik Rosita Dwityaningsih; Taufan Ratri Harjanto; Saipul Bahri; Mardiyana Mardiyana; Ulikaryani Ulikaryani
Madani : Indonesian Journal of Civil Society Vol. 4 No. 2 (2022): Madani, Agustus 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/madani.v4i2.1445

Abstract

Indonesia is the owner of an inscription certificate from UNESCO regarding the recognition of “The Representative List of The Intangible Culture Heritage of Humanity” for batik. This has an impact on increasing batik production due to increasing demand both from within the country and from abroad. However, there are problems in fulfilling the demand for batik. One of the problems is a decrease of skilled workers in batik especially for “batik tulis”. One that is experiencing a shortage of skilled workers is batik production in Cilacap Regency. Therefore, we empower the youth of the Widarapayung Wetan Village youth community by providing batik training. The purpose of this activity is to increase the interest of young people to pursue batik skills as well as to fulfil batik skilled workers. The results of a survey conducted at the end of the community service activity 80% of respondents agreed and 20% strongly agreed to explore batik skills.
Pengaruh Waktu Karbonisasi Terhadap Kadar Air dan Abu Serta Kemampuan Adsorpsi Arang Tempurung Nipah Teraktivasi Asam Klorida Theresia Evila Purwanti Sri Rahayu; Rosita Dwityaningsih; Ulikaryani
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.1027

Abstract

The Cilacap region, Central Java, Indonesia is a coastal area that is overgrown with nipa palm trees, making it one of the potential local natural resources to be exploited. Utilization of this plant has been carried out for the fields of food, energy, clothing, pharmaceuticals, and furniture, but as an anode material for lithium-ion batteries is still being researched. Studies on lithium-ion batteries in Indonesia in particular have not started long ago so that research in this field is still limited and few in number, but the development of lithium-ion batteries has become one of the national research priorities in the field of new and renewable energy sources as stated in the Indonesian national research master plan (RIRN) for the period 2017 – 2045. This study was conducted to examine the potential feasibility of activated charcoal from nipah shells as anode material for lithium-ion batteries. The feasibility test parameters studied in this study include water content, ash content and adsorption capacity stated as iodine and methylene blue number which are the basic characterizations for activated charcoal referring to SNI 06-3730-1995. The nipah shell carbonization process was carried out in the presence of oxygen at an optimized temperature of 210 oC with a 1 hour time interval variation from 3 to 8 hours, followed by an activation process using a strong acid, namely HCl with a concentration of 2 M. The experimental results showed the average value of moisture content, ash content, iodine, and methylene blue number are 12.5%, respectively; 1.75%; 2515.9161 mg/g; and 97%, all of which are above the quality standard values, so the conclusion from this study is that activated charcoal from nipah shell has basic characteristics that have the potential to be further developed, including as raw material for lithium-ion battery anodes.
Analisis Kinematik Singularty Pada Manipulator 7 DOF Dengan Software Simulasi ROBOAnalyzer Nur Akhlis Sarihidaya Laksana; Radhi Ariawan; Unggul Satria Jati; Jenal Sodikin; Ulikaryani
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1538

Abstract

Studies related to manipulators are still being carried out, along with the times and needs. Utilization in manufacturing and fabrication has led to the development of many manipulators. Smooth, fast, and accurate movement continue to be developed. In the case of the multi manipulator, 7 DOF (Degree of Freedom) is a type of manipulator that has special features in terms of joints. Inverse kinematic is a parameter used to control the orientation and movement of the manipulator. 7 DOF has three singularity wrist, elbow, and shoulder. In the simulation, each singularity produces an inverse kinematic matrix which is used to control the movement of the manipulator. The method used is to determine the angle of motion of the joint (continues joint angel) with simulation to produce calculations that are fast, precise, accurate, and stable. The target of each joint with the theta value that has been determined by the singularity was successfully carried out with an error of 0%.
Karakteristik Struktur Kristal In2Se3 Hasil Preparasi Dengan Metode Bridgman Ulikaryani Ulikaryani; Jenal Sodikin; Nur Akhlis Sarihidaya Laksana; Unggul Satria Jati; Ari Kristiningsih
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1753

Abstract

Apart from using silicon material, thin-layer solar cells can be made from various types of semiconductor materials, such as a combination of groups III and VI. In solar cell applications, these materials are usually used as n-type coatings. This study not only aimed to determine the crystal structure and the effect of annealing temperature on the crystal lattice parameters but also to determine the chemical composition and surface morphological structure of the crystals formed from the preparation. The crystal growth process was carried out using the Bridgman method with different heating patterns. The temperature in both annealing temperatures is 200oC and 250oC. The physical properties of the prepared In2Se3 crystals were characterized using XRD, SEM, and EDAX. XRD Characterization was used to determine the crystal structure, while SEM and EDAX characterization was used to determine the surface morphology and chemical composition of the crystals. The result of the XRD characterization showed that the formed In2Se3 crystals were polycrystals with a hexagonal structure. Based on the diffractogram obtained, the In2Se3 crystalline heating 1 has better quality. EDAX analysis showed that the In2Se3 crystals were composed of elements of In and Se with a mole ratio of 2:9, while the SEM characterization showed that the color of the surface morphology of the In2Se3 crystals was not homogeneous.
Pengaruh Penambahan Ekstrak Kulit Buah Nipah sebagai Green Corrosion Inhibitor terhadap Laju Korosi pada Baja Karbon ST37 Ulikaryani, Ulikaryani; Fadlilah, Ilma; Jati, Unggul Satria
Jurnal Rekayasa Mesin Vol 17, No 3 (2022): Volume 17, Nomor 3, Desember 2022
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v17i3.4012

Abstract

Ekstrak limbah kulit buah nipah (Nypa Fruticans Wurmb) diteliti potensinya sebagai green corrosion inhibitor dalam menghambat laju korosi pada baja karbon ST37 melalui metode weight loss dan pengamatan morfologi permukaannya melalui Scanning Electron Microscopy. Daya hambat korosi baja karbon ST37 menggunakan ekstrak kulit buah nipah ditentukan pada berbagai persen berat campuran ekstrak pada inhibitor dan lama paparan dengan media korosifnya. Efisiensi inhibisi meningkat dengan meningkatnya persen berat ekstraknya. Efisiensi inhibisi tertinggi sebesar 81,63% dengan laju korosi 0,617 mpy yang diperoleh pada persentase ekstrak 30% dengan lama paparan 12 hari. Hasil yang diperoleh membuktikan bahwa ekstrak limbah kulit buah nipah dapat digunakan sebagai inhibitor yang efektif pada baja karbon ST37 dengan media korosif air laut.
Pemanfaatan Limbah Budidaya Ikan Lele dalam Ember (Budikdamber) Menggunakan Bayam Merah Ayu Pramita; Rosita Dwityaningsih; Mardiyana Mardiyana; Murni Handayani; Ulikaryani Ulikaryani
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 6, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v6i1.10091

Abstract

Pertambahan populasi penduduk yang semakin meningkat di desa Banjarwaru juga disertai meningkatnya kebutuhan pangan dimana masyarakat harus dapat mengembangkan sistem budidaya tanaman pangan yang lebih efisien dan mudah dilakukan. Di Desa Banjarwaru ini terdapat kader Posyandu dan kader PKK dari 8 dusun yang sangat aktif dalam melakukan program peningkatan ketahanan pangan secara mandiri sebagai upaya dalam mencegah stunting. Salah satunya dengan budidaya ikan lele dalam ember (budikdamber) dilengkapi budidaya sayur organik pula. Dimana budidaya ini akan menghasilkan limbah makanan dan kotoran ikan tersebut yang dapat digunakan sebagai nutrisi dalam sayuran aquaponik.  Program ini bertujuan untuk memberikan informasi, pelatihan dan pendampingan tentang pemanfaatan limbah budidaya ikan lele (budikdamber) dengan menggunakan bayam merah pada aquaponik dan meminimalisir adanya kandungan limbah dari budikdamber tersebut. Rangkaian dari kegiatan ini berlangsung mulai bulan April-Agustus 2023 berlokasi di Balai desa Banjarwaru.  Adapun peserta kegiatan ini adalah para kader Posyandu dan PKK beserta perangkat desa. Metode kegiatan ini diawali dengan sosialisasi, pelatihan pembudidayaan ikan dan sayur dalam ember dan penyebaran kuesioner sebelum dan sesudah kegiatan ini. Dari hasil kegiatan ini diketahui bahwa para kader ibu-ibu Posyandu dan PKK memperoleh informasi mengenai pemanfaatan limbah budidaya ikan lele dalam ember (budikdamber) untuk memberikan nutrisi pada bayam merah dengan sistem aquaponik.The increasing population in Banjarwaru village is also accompanied by increasing food needs, where the community must be able to develop a food crop cultivation system that is more efficient and easier to carry out. In Banjarwaru village, there are Posyandu cadres and PKK cadres from 8 hamlets who are very active in carrying out programs to increase food security independently in an effort to prevent stunting. One is cultivating catfish in buckets (budikdamber) and organic vegetables. This cultivation will produce food and fish waste, which can be used as nutrients in aquaponic vegetables. This program aims to provide information, training, and assistance regarding the use of catfish cultivation waste (budikdamber) using red spinach in aquaponics and minimizing the waste content from budikdamber. This series of activities will take place from April-August 2023 at the Banjarwaru Village Hall. The participants in this activity were Posyandu and PKK cadres, along with village officials. The method of this activity begins with socialization, training on cultivating fish and vegetables in buckets, and distributing questionnaires based on the results of this activity. From the results of this activity, it was discovered that the Posyandu and PKK women cadres obtained information regarding the use of catfish cultivation waste in buckets (budikdamber) to provide nutrition to red spinach using an aquaponics system.
Optimalisasi Persentase Berat Ekstrak Kulit Buah Nipah sebagai Green Corrosion Inhibitor dengan Variasi Suhu dan Lama Paparan Ulikaryani Ulikaryani; Unggul Satria Jati; Nurlinda Ayu Triwuri
Jurnal Rekayasa Mesin Vol 18, No 3 (2023): Volume 18, Nomor 3, Desember 2023
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v18i3.5063

Abstract

Penelitian sebelumnya telah diketahui bahwa ekstrak limbah kulit buah nipah (Nypa Fruticans Wurmb) memiliki potensi sebagai penghambat laju korosi pada logam. Oleh karena itu, penelitian ini dilakukan untuk mengetahui persentase berat ekstrak yang optimal sebagai green corrosion inhibitor dalam menghambat laju korosi pada baja karbon ASTM A36 melalui metode weight loss dan uji polarisasi potensiodinamik. Daya hambat korosi baja karbon ASTM A36 menggunakan ekstrak kulit buah nipah ditentukan pada berbagai persen berat ekstrak pada inhibitor terhadap variasi suhu dan lama paparan dengan media korosifnya. Efisiensi inhibisi meningkat dengan meningkatnya persen berat ekstraknya. Efisiensi inhibisi tertinggi berdasarkan uji weight loss sebesar 97,87% dengan laju korosi 0,00002 mpy yang diperoleh pada persentase ekstrak 15% dengan lama paparan 4 hari. Sedangkan, berdasarkan uji polarisasi potensiodinamik diperoleh laju korosi terendah terdapat pada sampel dengan persentase ekstrak 12%b/v inhibitor sebesar 1,6747 mmpy dengan efisiensi inhibisi sebesar 76,13% pada suhu 30oC. Berdasarkan hasil uji dapat pula disimpulkan bahwa semakin tinggi suhu paparan maka akan semakin meningkatkan laju korosi. Sedangkan, lama waktu paparan tidak selalu meningkatkan laju korosi pada sampel dengan inhibitor. Hal ini dimungkinkan dipengaruhi oleh efek jenuh dari adsorpsi inhibitor terhadap logam itu sendiri. Sedangkan pada sampel tanpa inhibitor selalu menunjukkan peningkatan laju korosi seiring dengan bertambahnya lama waktu paparan
PERANCANGAN ERETAN MEMANJANG PADA ALAT BANTU PENGASAHAN MATA PAHAT BUBUT Dian Prabowo; Unggul Satria Jati; Ulikaryani Ulikaryani; Hety Dwi Hastuti
Jurnal Inovasi Teknik Industri Vol 2, No 2 (2023): JURNAL INOVASI TEKNIK INDUSTRI
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Muhammadiyah Gombong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26753/jitin.v2i2.1279

Abstract

Kemajuan bidang teknologi didunia industri semakin pesat ataupun berkembang, hal tersebut menuntut manusia untuk selalu berinovasi melihat permasalahan-permasalahan yang ada. Sasaran yang tepat untuk menyelesaikan permasalahan yaitu pada sektor teknologi tepat guna. Di industri teknik tidak lepas dari proses pemesinan. proses pemesinan merupakan pekerjaan lanjutan atau proses akhir dalam pembuatan atau pembentukan benda kerja. Proses pembubutan adalah sebuah proses pemesinan yang menggunakan mata pahat untuk mengikis material atau membuang permukaan. Pahat dipasangkan kedalam ragum atau tool post dan harus dilakukan setting kedalaman pemotongan sebelum dilakukan pengerjaan Tujuan dari penelitian ini adalah melakukan perancangan eretan memanjang pada alat bantu pengasahan mata pahat. Dari penelitian tersebut mendapatkan hasil  Torsi minimal yang dibutuhkan dalam menggerakan komponen-kompenen asah pahat adalah 0,175 N.m dan Motor penggerak yang digunakan yaitu arus DC. Momen terbesar yang digunakan pada poros yaitu 3250 N.mm sedangkan tegangan geser ( a) yang diijinkan sebesar 3,9 kg/mm2. Diameter poros minimal yang diizinkan adalah 18,11 mm, karena pemilihan poros berdasarkan ketersediaan ulir maka di gunakan poros dengan diameter 18 mm.
Co-Authors Ari Kristiningsih Ariawan, Radhi Ayu Pramita Dian Prabowo Dian Prabowo Dwi Putra, David Fadlilah, Ilma Hamid Abdillah Haqqoni, Faisal Hety Dwi Hastuti Jati, Unggul Satria Jenal Sodikin Mardiyana Mardiyana Mohammad Nurhilal Murni Handayani Nur Akhlis Sarihidaya Laksana Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya Nurlinda Ayu Triwuri Probo Hardini Putri Rachmawati Radhi Ariawan Rinasa Agistya Anugrah Rosita Dwityaningsih Saipul Bahri Satria Jati, Unggul Sodikin, Jenal Tarigan, Roy Taufan Ratri Harjanto Theresia Evila Purwanti Sri Rahayu Unggul Satria Jati Unggul Satria Jati