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All Journal Rekayasa Mesin Jurnal Elementer (Elektro dan Mesin Terapan) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Mesin Indonesia APTEK Jurnal Konversi Energi dan Manufaktur Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat)
Wijianto, Agus
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Aerospace Engineering Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Pelatihan Tukang Las Fillet Untuk Pemuda Putus Sekolah Di Provinsi Riau Zaira, Jupri Yanda; Wijianto, Agus
JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat) Vol. 2 No. 1 (2024): JITER-PM
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/jiter-pm.v2i1.6253

Abstract

Program Pengabdian Kepada Masyarakat (PkM) merupakan bentuk kegiatan yang dilakukan oleh praktisi pendidikan yang mempunyai keahlian diberbagai bidang keilmuan dalam bentuk kegiatan tridarma perguruan tinggi. Program ini diberikan kepada masyarakat bertujuan untuk meningkatkan sumber daya manusia yang mempunyai kompetensi, dalam hal ini bidang pengelasan. Program ini merupakan kerjasama yang berkelanjutan untuk angkatan ke 3 yang dilakukan oleh Politeknik Caltex Riau dengan Mitra PkM yaitu LAZnas PHR – Karyawan Muslim Indonesia. Kegiatan dilakukan selama lebih kurang 3 bulan, dimulai dengan proses seleksi calon peserta dari tanggal 20 Oktober sampai dengan 20 November 2022, proses pelatihan dari tanggal 22 November 2022 sampai dengan 02 Desember 2022, dan proses pemagangan dari tanggal 05 Desember 2022 sampai dengan 27 Januari 2023. Materi pelatihan yang diberikan terdiri dari teori K3, gambar teknik, teori pengelasan, praktek rigi – rigi las 1F, praktek corner joint 1F, praktek tee joint 2F, praktek tee joint 3F (E6013), dan praktek tee joint 3F (E7016). Hasil dari program ini adalah mecetak tukang las fillet sebanyak 11 orang yang tersebar dari 4 Kabupaten Kota yaitu Kota Pekanbaru, Kabupaten Siak, Kabupaten Kampar, dan Kabupaten Bengkalis. Peserta berhasil mempunyai kompetensi di bidang ilmu pengelasan dan berhasil mendapatkan sertifikat yang dikeluarkan oleh Politeknik Caltex Riau.
Rancang Bangun Mesin Pengupas Kulit Kacang Tanah Dengan Mata Pisau Berbentuk Spiral Zaira, Jupri Yanda; Wijianto, Agus; Syahrizal; Taek, Oscar
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 9 No 2 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i2.6120

Abstract

The main purpose of making a peanut skin peeling machine is to meet the needs of peanut shelling when farmers are in the harvest season in peanut-producing areas. This machine is expected to help the stripping process, so as to increase production efficiency and quality. The stages of making a peanut skin peeler machine consist of needs analysis, preparation of product technical specifications, product concept design aims to produce alternative product concepts, after the product concept is obtained, the next step is product design which is product concept development in the form of sketches into technical objects, the last step in making this machine to make product documents in the form of working drawing designs. The specifications of the peanut skin peeler machine are with a capacity of 29 kg/hour, machine dimensions 1375 mm long x 648 mm wide x 1318 mm high. Using a driving force in the form of a 5.5 HP, 3600 rpm gasoline motor, the peanut skin peeler machine frame uses an L elbow profile of 40 x 40 x 40 mm. The peanut sheller machine transmission system consists of several components, namely pulley, v-belt, shaft, bearings, gearbox, and gasoline motor. The transmission system that we will make is using a gearbox with a gearbox ratio of 30: 1 and a pulley ratio of 1: 1. It will slow down the speed of a gasoline motorbike from 3600 rpm to 120 rpm. The mechanism that works on the transmission system starts from the gasoline motor which is transmitted to the gearbox shaft and from the gearbox shaft to the paring knife shaft using a v-belt will be transmitted, the connecting shaft uses a v-belt, at the same time the pulleys that have been attached to the v-belt on the connecting shaft are redistributed towards the pulley shaft of the paring knife using a v-belt which is used to rotate the paring knife to peel the skin of the peanuts.
Effect of Temperature and Roasting Duration on the Quality of Roasted Peanuts in Bin Roaster With Burner Heating : An Experimental Investigation Checilia, Azzahra Dwi; Ma'a, Mustaza; Wijianto, Agus; Nugraha, Nurcahya
Aptek Jurnal Apliksai Teknologi (APTEK): Volume 17, No. 01, Desember 2024
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v17i1.2907

Abstract

Kacang sangrai merupakan salah satu jenis pengolahan kacang tanah yang memiliki potensi ekonomi yang cukup besar peluangnya di Indonesia. Kacang sangrai cukup digemari sebagai cemilan karena rasanya yang manis dan masa penyimpanannya tahan lama. Untuk dapat efektif, diperlukan pula cara penyangraian yang benar. Seperti pengaturan temperatur dan lama penyangraiannya. Adapun jenis penyangraian yang menggunakan bantuan media pasir.Penelitian ini dilakukan untuk melakukan pengujian eksperimental terhadap proses penyangraian kacang, Dimana proses penyangraian dilakukan dengan 2 variabel bebas, yaitu variasi suhu dan variasi media penyangraian. Untuk suhu menggunakan 3 variasi pengujian, yaitu 150 C, 165C, dan 180C. Sedangkan variabel media penyangraian menggunakan 2 variasi, yaitu dengan menggunakan media pasir dan tanpa menggunakan media pasir. Metode pengambilan data berupa pengambilan data eksperimental temperatur di 5 titik setiap 5 menit sekali. Dilakukan hingga kacang berubah warna kecoklatan (matang). Dari hasil pengujian, didapatkan hasil kacang sangrai yang baik pada saat pengujian temperatur 180 C dengan menggunakan bantuan media pasir. Tingkat kegosongan kacang sebesar 2% dari 1 Kg pengujian, butir kacang rusak sebanyak 18gr, lama waktu penyangraian 1 kg kacang selama 25 menit, dan pengurangan kadar air pada kacang mencapai 20%
Modification of Coconut Grating Machine using ball joint Maa, Mustaza; Agusto, Dino; Wijianto, Agus; Novison, Roni
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 10 No 2 (2024): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v10i2.6352

Abstract

Coconut milk is an essential ingredient in daily life. To obtain coconut milk, the coconut flesh must be grated and squeezed from its shell. To enhance the grating process, a coconut grater machine is necessary. However, existing coconut grater machines have been less effective in terms of operational efficiency. Therefore, an idea emerged to improve the efficiency of the coconut grater machine by incorporating a ball-joint mechanism for clamping. This redesigned coconut grater machine utilizes a slider with a ball-joint mechanism on the clamping side, allowing movement along three axes (x, y, and z). This mechanism enables more effective clamping of the coconut shell with shorter clamping time. As a result, the grating capacity increases to 47.01 kg/hour, representing a significant improvement of 1510% compared to the previous coconut grater machine.
Homogenization of Bricket Dough: A Study on Horizontal Helical Ribbon Mixer Ma'a, Mustaza; Adli, Muhammad Amirul; Novison, Roni; Wijianto, Agus; Nugraha, Nurcahya
Jurnal Teknik Mesin Indonesia Vol. 20 No. 1 (2025): Vol. 20 No. 1 (2025): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v20i1.727

Abstract

The design of this briquette dough mixer machine is designed to mix briquette dough with a horizontal stirrer, the mixing knife used is a helix with two blades with different directions and sizes. This mixing machine uses a 1 HP AC motor with a motor speed of 1,400 Rpm, the engine also uses a 1:20 ratio gearbox, the rotation is obtained at 70 Rpm then reduced again to 50 Rpm using the pulley ratio so that the rotational speed achieved is 50 Rpm. The capacity of the mixing tube made is 10 kg in one mixing process, to be able to reach a capacity of 10 Kg requires matching the composition of the dough which consists of 5.75 Kg of charcoal, 0.287 Kg starch and 4.025 Kg water. In the process of mixing the dough, the starch is first dissolved in hot water, then slowly poured into the drum which has been filled with charcoal powder. Data collection was carried out by comparing 3 time variations, namely 10, 20 and 30 minutes. After mixing, the dough from each time variation was divided into 4 samples weighing 2.5 kg each and placed in different places. We can compare each time variation in terms of shape, texture and color so that we can analyze it. It was found from field experiments that to produce quality briquette dough, the mixing time was 30 minutes with an average power consumption of 2.49 KwH.
Creating a Vertical Peeling Apparatus for Young Jackfruit Skins Employing Turning Process Technology Hermawan, Muhammad; Ma'a, Mustaza; Yanda Zaira, Jupri; Wijianto, Agus
Aptek Jurnal Apliksai Teknologi (APTEK): Volume 17, No. 02, Juni 2025
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v17i2.3178

Abstract

Young Jackfruit (Artocarpus heterophyllus) is a tropical fruit that grows in various regions, including Southeast Asia. While typically harvested when ripe, it is also consumed in its young stage. This final project focuses on the design and development of a Vertical Young Jackfruit Skin Peeling Machine utilizing the Turning Process Method. The proposed peeling machine is powered by a 1 hp motor with a speed of 1450 rpm, which is transmitted to 100 rpm. The machine's driving mechanism comprises a single transmission system, consisting of a pair of pulleys connected by a V-belt. When the motor is activated, the rotation is directly transmitted from pulley 1 to pulley 2, mounted on a 25 mm diameter shaft that rotates the young jackfruit using a V-belt intermediary. As the shaft rotates, a knife applies pressure on the rotating young jackfruit, moving from bottom to top. This movement is facilitated by a threaded shaft mechanism driven by the rotation of the fruit-driving shaft, which receives the rotational transmission from pulley 1 to pulley 2, mounted on a 25 mm diameter shaft to a 17 mm diameter shaft with a rotational speed of 40 rpm. The peeling process is conducted according to the dimensions of the young jackfruit, from bottom to top.
Perencanaan Peningkatan Kapasitas Mesin Penanam Padi Berbasis Sintesis Kinematika Dan Dinamika Silalahi, Samuel Tabah Penemuan Parulian; Wijianto, Agus; Zaira, Jupri Yanda; Ma'a, Mustaza
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 2 (2025): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i2.253

Abstract

Rice is a food crop commodity that plays a vital role in the Indonesian economy. The results of this study indicate that the designed system is capable of consistently maintaining a 25 cm spacing between seedlings through the harmonic motion of the planting arm. The angular and linear movements of the entire linkage are stable and periodic, resulting in a uniform planting process. The angular velocity of the main shaft is recorded as constant, supporting rotational stability, while the maximum motor torque is within a realistic range for field applications. The system also demonstrates good mechanical efficiency, characterized by stable kinetic energy of the rotational components and controlled motor power consumption. These findings have practical significance for practitioners and the agricultural machinery industry, as they can serve as a reference for the development of rice transplanters that are more energy efficient, highly precise, and suited to rice field conditions in Indonesia, thus potentially increasing productivity and reducing reliance on manual labor.
OPTIMIZATION PITCH AND CLEARANCE FOR DOUBLE HELICAL RIBBON AGITATOR IN BRIQUETTE DOUGH MIXING MACHINE: ANALYSIS OF TORQUE AND POWER IMPACT Ma'a, Mustaza; Faadhilah, Hanif; Wijianto, Agus; Novison, Roni
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i2.1905

Abstract

Briquette dough kneading machines have become an integral part of the briquette production process in industry. This study aims to analyze the effect of pitch (distance between two windings) and clearance (distance between stirrer and machine wall) on the performance of double helical ribbon stirrer in stirring briquette dough. The numerical method used is Discrete Element Method (DEM), using a stirring speed of 50 rpm and a particle size of 10 mm. In this simulation, the briquette mixture was modeled as two granular materials consisting of spherical particles. The particles were characterized using density, with briquette powder at 766 kg/m3 and starch glue at 1000 kg/m3. Simulation results show that variations in pitch and clearance significantly affect the distribution of torque, mechanical power, and dough flow. The stirrer with 157.5 mm pitch has the smallest torque and power, then the torque and mechanical power increase about 260% in the stirrer with 118.5 mm pitch. Then the stirrer with a pitch of 94.8 mm has a very high torque and mechanical power with an increase over the previous stirrer of about 1500%. The researcher concluded that the double helical ribbon stirrer with a pitch distance of 118.5 mm and a clearance of 10 mm is the appropriate stirrer to be used, with torque and power of 41.62749 Nm and 318.3174 W. This is corroborated by the simulation results with a visual assessment showing that the shear force and homogeneity are in optimal condition, although the torque and power are not too close to the design calculation results of 53.0836 Nm and 277.8042 W.
Studi Eksperimental Pengaruh Rasio Beta (β) terhadap Peningkatan Kecepatan Aliran Fluida Inkompresibel Venturi Meter Giustino, Nicholas; Akhyan, Amnur Akhyan; Wijianto, Agus; Yanda Zaira, Jupri
Aptek Jurnal Apliksai Teknologi (APTEK): Volume 16, No. 02, Juni 2024
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v16i2.2628

Abstract

Venturi meter merupakan alat yang berfungsi untuk mengukur kecepatan fluida dengan mengadopsi prinsip Bernoulli. Pada umumnya venturi meter  digunakan pada industri minyak, gas, otomotif dan lainnya. Kecepatan aliran pada venturi meter setelah melewati bagian throat meningkat signifikan. Kecepatan aliran yang tinggi dapat mengakibatkan fenomena yang buruk seperti kavitasi, abrasi dan getaran. Serangkaian peralatan alat uji digunakan untuk memantau peningkatan kecepatan aliran Vinc. Fluida yang digunakan adalah air pada temperatur 300C  Dengan variasi beta rasio  0.655 dan 0.549, peningkatan laju aliran volume  12.5; 15 dan 17.5 LPM, fenomena pada venturi meter diteliti. Penurunan tekanan DP dimonitor menggunakan piezometer dan pitot tube.Dari penelitian ini didapat bahwa penurunan β 16,2% akan menyebabkan peningkatan Vinc  sebesar 43,3%.
SIMULASI ALIRAN FLUIDA PADA INSTALASI GASIFIKASI TIPE DOWNDRAFT: Fluid Flow Simulation in Downdraft Type Gasification Installation Wijianto, Agus; Alfitrah, Fajar
Jurnal Konversi Energi dan Manufaktur Vol. 9 No. 1 (2024)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.9.1.6

Abstract

The development of energy is very important to maintain oil reserves and also substitute for fossil fuels. Agricultural waste can be used as an alternative raw material to assist in the depletion of petroleum reserves and increase the use value of agricultural waste. Gasification is a process that converts energy into syngas that can be used for fuel. Fluid flow simulation research in the downdraft was conducted to determine the effect of the heat distribution or temperature on the gasification equipment installation and the effect of the cooling water mass flow rate on the airflow out of the reactor. Numerical study method using computational fluid dynamic solidworks flow simulation software. The fixed variables in the simulation are inlet air velocity 1.27, 1.36, and 1.49 m/s where this figure is obtained from an experiment to test the characterization of the downdraft actual the simulation in the reactor shows the temperature of the combustion reactor is 800-850ºC to be 400-450ºC at the reactor output. The simulation on the heat exchanger is carried out to reduce the air temperature to the temperature operating engine. The heat exchanger uses water fluid with a mass flow rate of 0.05 kg/s. The best simulation is obtained at the variation of air velocity 1.27 m/s and temperature reactor 900ºC where the output temperature is 92.11ºC. Doing a new experiment on gasification, then doing a simulation first, will make the gasification work easier.
Co-Authors Adli, Muhammad Amirul Agusto, Dino Akhyan, Amnur Akhyan Alfitrah, Fajar Anggy Trisnadoli Arif Sitinjak, Bherry Checilia, Azzahra Dwi Faadhilah, Hanif Giustino, Nicholas Henim, Silvana Rasio Hermawan, Muhammad Irwan Chandra Ma'a, Mustaza Maa, Mustaza Novison, Roni Nugraha, Nurcahya Putri Madona Rizkyana, Rizkyana Silalahi, Samuel Tabah Penemuan Parulian Syahrizal Taek, Oscar Yanda Zaira, Jupri Zaira, Jupri Yanda