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All Journal Jurnal Keteknikan Pertanian Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Jurnal Polimesin Jurnal Mesin Sains Terapan
Irwin Syahri Cebro
Politeknik Negeri Lhokseumawe
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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DESAIN RODA BESI BERSIRIP TRAKTOR DUA-RODA DENGAN BANTUAN (CAD). Irwin Syahri Cebro; Wawan Hermawan; Desrial .
Jurnal Keteknikan Pertanian Vol. 20 No. 2 (2006): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.020.2.%p

Abstract

Abstract Traction performance of a cage wheel for two-wheel tractor depends on its shape dimension, lugs materials and soil condition. In order to get the optimum design of the cage wheel, the relation betwen tractor, implement and soil condition should be considered carefully. The objective of this research was to determine optimum design parameter of cage wheel based on working condition of tractor and to make a computer program for design analysis and for producing engineering drawing of the cage wheels. Soil condition and two-wheel tractor construction were measured and the data was used for getting the optimum design parameters by using optimization method. A computer program was developed and employed for the optimization process and for drawing the design result. As a trial of the program, the optimum design parameters of cage wheel for Yanmar YST-EX tractor working at Sawah Baru rice field were found to be: 80 cm of wheel diameter: 10 lugs: 19.63 cm x 9.68 c, of lug size; and 20o of lug angle. The result revealed that the program could determine the optimum design parameters and could produce the engineering drawing of the cage wheel property. Keyword: cage wheel. Design parameter, engineering drawing, computer program.
Kinerja Roda Besi Bersirip Multi-Angle untuk Lahan Sawah Terasering Irwin Syahri Cebro; Tineke Mandang; Wawan Hermawan; Desrial Desrial
Jurnal Keteknikan Pertanian Vol. 6 No. 2 (2018): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2148.951 KB) | DOI: 10.19028/jtep.06.2.195-202

Abstract

AbstractThe paddy plots in upland area have fairly steep embankments between plots. This condition causes a hand tractor difficult to move from one plot to another. The objective of this research was to design and test a lug wheel equipped with a multi-angle lug mechanism for slope climbing using a hand tractor. The lug plates of the wheel can be rotated using a mechanism, so that the lug angle can be set at 0°, 15°, 30°, 45°, and -15°. Traction performance tests of the prototype wheel were conducted on slope tracks of 15o, 30o and 45o angle. Tractor velocity, torque of wheel shaft, wheel rotational speed and wheel sinkage were measured using corresponding sensors and recorded during the performance test. The test result on 45o slope show that lug wheel with lug angle of -15o produced the highest traction efficiency (93.83%). For climbing the slopes, lug wheel with a smaller lug angle (0o and -15o) produced a higher traction efficiency and a smaller wheel slip than that of using a higher lug angle. The multi-angle lug wheel with a small lug angle had a better slope climbing performance than that of the conventional fixed lug wheel.AbstrakPematang sawah di daerah dataran tinggi memiliki tanggul antara petakan yang cukup curam. Kondisi ini membuat traktor tangan sulit untuk berpindah dari satu petakan ke petakan lainnya. Tujuan dari penelitian ini adalah untuk mendesain dan menguji sirip roda yang dilengkapi mekanisme sirip multi-angle untuk pendakian lereng dengan menggunakan traktor tangan. Pelat sirip dari roda dapat diputar dengan menggunakan mekanisme, sehingga sudut sudut dapat diatur pada 0°, 15°, 30°, 45°, dan -15°. Uji kinerja traksi prototipe roda dilakukan pada lintasan miring dengan sudut kemiringan 15o, 30o dan 45o. Kecepatan traktor, torsi poros roda, kecepatan putaran roda dan roda sinkage diukur dengan menggunakan sensor yang sesuai dan dicatat selama pengujian kinerja. Hasil pengujian pada kemiringan 45o menunjukkan bahwa roda pengangkut dengan sudut sirip -15o menghasilkan efisiensi traksi tertinggi (93.83%). Pada pendakian lereng, sirip roda dengan sudut sirip yang lebih kecil (0o dan -15o) menghasilkan efisiensi traksi yang lebih tinggi dan slip roda yang lebih rendah daripada sudut sirip yang lebih besar. Roda besi bersirip multi-angle dengan sudut sirip kecil memiliki kinerja pendakian lereng yang lebih baik daripada roda besi bersirip konvensional.
Design of Natural Convection Solar Dryer for Coffee Beans with Monitoring System Based on Internet of Things Nurdin Nurdin; Irwin Syahri Cebro; Azhar Azhar; Hendrawati Hendrawati
Jurnal POLIMESIN Vol 20, No 1 (2022): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i1.2613

Abstract

The process of monitoring the drying of coffee beans so far is still done traditionally so that the effectiveness of the drying process is still low. The IoT-based drying monitoring process is expected to provide better effectiveness and time efficiency. This research designs and manufactures a solar dryer with natural convection heat transfer for coffee beans equipped with an Internet of Things-based monitoring system. The purpose of this study is to develop the performance of a solar dryer with natural convection with the addition of an IoT-based monitoring unit. The research begins with a technical plan for the main components of the dryer. Components whose shapes, dimensions, and materials have been planned will be outlined in the form of detailed technical drawings. Detailed technical drawings will be a guide in the dryer manufacturing process. The main components of the dryer are solar collectors, drying chambers, and an IoT-based monitoring system. The solar collector will function to capture heat from the sun which will flow naturally into the drying room. An IoT-based monitoring system will capture the temperature and humidity (DFRobot DHT22 sensor) in the solar collector, drying room, and the environment of the dryer. In addition, a Bh1750 sensor to capture the intensity of the sun is also embedded in this monitoring system. This monitoring system will be connected to the internet network where the data will be sent to a cloud data server. The recorded data can then be downloaded using a mobile device or personal computer connected to the internet network. This IoT-based monitoring system was chosen so that performance data from the dryer can be monitored in real-time and online. The results of this study are a prototype dryer with a household capacity of 9 Kg equipped with an IoT-based monitoring system has been built and can be implemented properly
Analisa korosi pada heat exchanger e-4512 pt.arun ngl co Irwin Syahri Cebro; Sariyusda Sariyusda
Jurnal POLIMESIN Vol 1, No 1 (2003): Agustus
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jop.v1i1.1397

Abstract

Heat Exchanger E-4512 adalah salah satu alat penukar panas yang digunakan pada PT. Arun yang digunakan untuk mendinginkan atau menurunkan temperature MCR (multi component refrigerant) dengan media pendingin air laut. Pada heat Exchanger E-4512 ini terjadi kerusakan yaitu korosi terutama pada bagian-bagian seperti tube side, tube sheet, channel dan channel cover. Jenis korosi yang menyerang yaitu korosi sumur (pitting corrosion). Korosi erosi (erosion corrosion) dan korosi galvanis (galvani corrosion). Kerusakan ini akan berkaibat fatal mengingat fungsi dari Heat Exchanger merupakan pendukung utama proses produksi. Makalah ini menganalisa penyebab terjadinya korosi dan membahas hal-hal yang dapat dilakukan untuk mencegah terjadinya korosi berdasarkan kasus di lapangan dan kajian teoritis.
Rancang bangun kopling cakar persegi dengan bantuan komputer (cad) Irwin Syahri Cebro
Jurnal POLIMESIN Vol 7, No 1 (2009): Februari
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jp.v7i1.1342

Abstract

Kopling cakar persegi dapat meneruskan momen dalam dua arah putaran. Parameter desain dari kopling cakar persegi sangat tergantung pada daya dan putaran yang akan diteruskan, faktor koreksi serta jenis bahan yang digunakan. Disain kopling cakar persegi secara manual disamping memberikan hasil yang kurang teliti juga sangat tidak efektif dalam penggunaan waktu. Penelitian ini bertujuan mengembangkan sistem CAD untuk menghitung dan menggambarkan kopling cakar persegi. Perancangan kopling cakar persegi dengan bantuan komputer (Computer Aided Design, CAD) diperlukan untuk menentukan parameter desain kopling cakar persegi serta pembuatan gambar kerja secara otomatis. Dengan sistem ini efesiensi waktu dan akurasi desain dapat lebih akurat dibandingkan dengan proses perancangan kopling cakar persegi secara manual. Struktur program yang dibangun terdiri dari bagian input data rancangan, bagian output parameter desainhasil perhitungan dan gambar kerja.Kata kunci : Kopling cakar persegi, parameter desain, gambar teknik. 
Investigation of the Mechanical Behavior of Laminated Composites Gypsum-Based Plastic Sack Waste Fiber Indra Mawardi; Samsul Bahri; Hamdani Nurdin; Irwin Syahri Cebro; Luthfi Luthfi; Zuhaimi Zuhaimi; Ismi Amalia
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.3275

Abstract

The existence of plastic waste, such as used plastic sacks in large quantities, is a crucial problem for the environment and health because of its very low biodegradability. Therefore, reusing plastic sack waste as reinforcement in gypsum composites is a major research issue. This study investigates the mechanical and physical properties of gypsum composites reinforced with fiber layers from plastic sack waste. Gypsum composites are produced using casting gypsum flour as the matrix and various fiber layers from plastic sack waste (1, 2, 3, 4) as reinforcement. Gypsum-based laminated composites were tested for density, flexural strength, and compression. The behavior of mechanical, physical, and damage properties is studied to see its suitability as a building material. The results showed that gypsum composites' density decreased with increasing sack fiber layers. The density of gypsum composites ranges from 1064-1199 kg/m3, with a maximum value in samples with 100% gypsum. The flexural strength of gypsum composites ranges from 2.21-4.10 MPa, and the compressive strength ranges from 3.5-6.66 MPa. Increasing the number of layers of plastic sack fibers reduces density, flexural strength, and compressive strength. However, all the mechanical properties of gypsum composites met the requirements of the EN 13279-2 standard. Failure of fiber delamination with the resulting matrix is the main cause of the decrease in mechanical strength
Manufaktur dan Uji Kinerja Mesin Perajang Hijauan Multifungsi mawardi, indra; bahri, Samsul; Cebro, Irwin Syahri; Hamdani, Hamdani
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 9, No 2 (2023): Oktober
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v9i2.8416

Abstract

The need for forage and tuber feed for farmers is increasing daily. The existence of chopping machines that have been developed before still needs to improve in the work process, where the work process has only one focus, namely chopping. Apart from that, machines that have been previously produced have a fixed construction (not mobile), thus limiting machine mobilization. The research aims to create innovations in the form of multifunctional forage chopping machines. This machine combines the processes of chopping and crushing greens and tubers. Apart from that, this machine is designed to use wheels, making it easier to move. The research method is divided into design and manufacturing processes, followed by performance testing. Performance testing uses elephant grass and cassava as raw materials using 1600, 1800 and 2000 rpm engine speeds. From manufacturing results, multifunctional forage chopping machines are available. This machine has 750 x 450 x 700 mm dimensions with a capacity for chopping elephant grass ranging from 72-150 kg/hour and crushing cassava ranging from 85-279 kg/hour. An engine speed of 2000 rpm shows the highest chopping and crushing results.
Analisis Kerusakan Induced Draft Fan (IDF) menggunakan Vibration Analyzer CSI 2140 dan Dampak Terhadap Daya Output Listrik di PT. PLN Nusantara Power UPK Nagan Raya Mayanda, Sari; Yassir, Yassir; Cebro, Irwin Syahri
Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Vol. 21 No. 2 (2024): Jurnal Litek, September 2024
Publisher : Jurusan Teknik Elektro Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/litek.v21i2.54

Abstract

Pembangkit Listrik Tenaga Uap (PLTU) salah satu pembangkit energi yang paling umum digunakan. Analisis getaran Induced Draft Fan (IDF) sangat penting dalam mendeteksi potensi kerusakan sejak dini serta memastikan pasokan listrik yang stabil. Analisa kerusakan Induced Draft Fan (IDF) menggunakan alat Vibration Analyzer CSI 2140. Tujuannya untuk mengetahui dampak kerusakan IDF terhadap daya output listrik. Data dari hasil pengukuran getaran menunjukkan bahwa IDF A unit 2 di PLTU Nagan Raya 2 diperoleh nilai sebesar 9.00 mm/s pada posisi Fan DE horizontal dalam hal ini sesuai dengan standar ISO 10816 sudah masuk dalam zona warning yang mengindikasikan gejala kerusakan Unbalance. Untuk memperbaiki kerusakan, dilakukan tindakan perawatan berupa balancing. Setelah dilakukan perawatan, dilakukan pengukuran getaran pada tanggal 12 Maret 2023, diperoleh nilai getaran 2.92 mm/s pada sisi F1 H dan memasuki kategori pre-warning berdasarkan ISO 10816-3. Kerusakan Induced Draft Fan (IDF) berdampak signifikan pada keluaran daya listrik PLTU mengakibatkan ketersediaan pasokan listrik konsumen tidak memadai.
ANALISA SIFAT MEKANIK PAPAN KOMPOSIT PARTIKEL BERBAHAN DASAR TEMPURUNG KELAPA DAN KULIT BUAH JERUK BALI SEBAGAI PENGGANTI MATERIAL PAPAN KAYU Rizal, Muhammad; Cebro, irwin Syahri; Marzuki, Marzuki
Jurnal Mesin Sains Terapan Vol 9, No 2 (2025): JURNAL MESIN SAINS TERAPAN
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jmst.v9i2.7842

Abstract

Kulit buah jeruk yang digunakan dalam pembuatan papan komposit merupakan limbah yang dihasilkan dari pemanenan buah jeruk. Limbah dari kulit buah jeruk dapat diolah menjadi pupuk kompos cair, pestisida organik, serta dapat diolah sebagai adsorben. Selain itu, Kulit buah jeruk sangat berpotensi untuk digunakan sebagai bahan baku pembuatan papan komposit karena memiliki banyak kandungan selulosa 22%. Pada penelitian ini menggunakan tiga variabel bebas yaitu 5% partikel tempurung kelapa, 15% kulit buah jeruk bali , 80% resin, 10% partikel tempurung kelapa, 10% kulit buah jeruk bali, 80% resin dan 15% partikel tempurung kelapa, 5% kulit buah jeruk bali, 80% resin. Hasil yang diperoleh dari penelitian ini adalah ukuran partikel tempurung kelapa adalah 200 mesh sedangkan partikel kulit buah jeruk bali 40 mesh. didapatkan bahwa nilai kekuatan tarik mengalami peningkatan seiring dengan bertambahnya persentase partikel tempurung kelapa serta nilai kekuatan bending mengalami peningkat dari setiap persentase partikel tempurung kelapa hal ini dikarenakan tidak terjadinya bonding (daya ikat) dimana ikat antara penguat dengan matriks sempurna sehingga pada saat terjadinya proses pengujian nilai kekuatan bending mengalami peningkatan pada persentase.  Keywords: Kulit buah jeruk, resin, dan debounding
Co-Authors Amalia, Ismi Azhar Azhar Desrial Hamdani Hamdani Hamdani, Hamdani Hendrawati Hendrawati Indra Mawardi indra Mawardi Luthfi Luthfi Marzuki Marzuki Mayanda, Sari MUHAMMAD RIZAL Nurdin Nurdin Samsul Bahri Sariyusda, Sariyusda Tineke Mandang Wawan Hermawan Yassir Yassir Zuhaimi Zuhaimi