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All Journal Jurnal Ilmiah Poli Rekayasa DEVICE Jurnal Pengabdian kepada Masyarakat (Nadimas) Journal of Applied Mechanical Technology (JAMET)
Muhamad Ghozali
Politeknik Negeri Indramayu
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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PELATIHAN PENGELASAN SMAW UNTUK SISWA JURUSAN TKRO SMK MANDIRI CIREBON Leo Van Gunawan; Muhammad Ghozali; Mohammad Amat; Sukroni Sukroni; Nota S
Jurnal Pengabdian kepada Masyarakat (NADIMAS) Vol 2 No 1 (2023): Jurnal Pengabdian kepada Masyarakat (Nadimas)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.627 KB) | DOI: 10.31884/nadimas.v2i1.23

Abstract

Alumni from study program of TKRO SMK Mandiri Cirebon are the most be at work in the industry. However, from several alumni working in the industry, there are some students working not according to their field. They are placed at manufacturing and welding. This community service activity provides SMAW training to student in the study program TKRO SMK Mandiri Cirebon as a provision for work or entrepreneurship. SMAW is the most commonly used welding in Indonesia. This training was carried out using the pre-experimental method type one group pretest-posttest design. The training activity begins with giving a pretest, theory learning, practice and closing with a posttest. Analysis value of pretest and posttest results was carried out using the Gain test formula. The results of value analysis get average N-Gain 0.414226. Based on N-Gain criteria, the value of 0.414226 is included in medium category. It can be concluded that the effectiveness of this training activity has a medium impact to increasing knowledge and skill students in SMAW Welding.
ANALISIS CONNECTING ROD SEPEDA MOTOR 150 CC MENGGUNAKAN MATERIAL BAJA AISI 1045 Leo Van Gunawan; Muhamad Ghozali; Yusup Nur Rohmat; Sunaryo Sunaryo; Nota Ali Sukarno
Device Vol 13 No 1 (2023): Mei
Publisher : Fakultas Teknik dan Ilmu Komputer (FASTIKOM) UNSIQ

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/device.v13i1.4404

Abstract

Sepeda motor dengan kapasitas 150 cc sering digunakan untuk balapan di Indonesia. Tekanan tinggi dan berulang yang diterima piston selama kompresi menimbulkan beban fatigue pada connecting rod. Pada beberapa kasus, connecting rod dapat terjadi buckling (bengkok) atau fracture (patah) pada bagian kritisnya akibat tidak kuat menahan beban fatigue dari piston. Untuk mengantisipasi terjadinya buckling dan fracture maka diperlukan pemilihan material yang kuat untuk menahan beban fatigue pada connecting rod. Jenis material yang dapat digunakan untuk perancangan connecting rod adalah Baja AISI 1045. Baja AISI 1045 merupakan jenis baja yang dapat digunakan untuk pembuatan komponen mesin kendaraan seperti roda gigi, poros dan connecting rod. Untuk mengetahui besarnya deformasi dan tegangan maksimum pada connecting rod menggunakan baja AISI 1045 diperlukan simulasi melalui Finite Element Methode (FEM) dengan Solidworks. Hasil analisis simulasi menunjukan tegangan maksimum yang didapatkan sebesar 1,996x101 N/mm2 (MPa). Tegangan maksimum tersebut belum melampaui batas yield strength material Baja AISI 1045. Deformasi maksimum di dapatkan sebesar 1,489x10-2 mm sehingga perubahan bentuk yang terjadi masih sangat kecil. Besarnya Factor of Safety (FoS) didapatkan 26.5 ini menunjukan bahwa perancangan connecting rod menggunakan material Baja AISI 1045 aman untuk digunakan.
PENGUJIAN BUCKET ELEVATOR GEN.01 TM Sukroni Sukroni; Dedi Suwandi; Muhamad Ghozali; Leo Van Gunawan
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.18.2.296

Abstract

Post-harvest agricultural products are all activities carried out from the process of handling agricultural products to the process that produces semi-finished products. Improper post-harvest handling will result in yield loss, both weight and product quality. Readiness of mature harvest and post-harvest technology will improve the quality of rice and the understanding of farmers and technology users in efforts to reduce crop losses. Bucket elevator is a tool for moving material that can be used to lift grain during the grain milling process, which can help work to move grain from the surface into the milling machine. In the Bucket Elevator test results, the effective rotational speed is 352.5 Rpm using a 1 hp 3 phase motor. The design of model 1 is the optimal bucket for lifting grain, resulting in a net weight of 243 gr/bucket contents with a maximum capacity of 280 gr/bucket. When attached to the Bucket carrier belt with 3 test results with different 1 hp motors get test results 1 = 22.5 kg/m , test 2 = 21.3 kg/m , and test 3 = 22.7 kg/m , with average result– average 22.1 kg/m. The noise test on the Bucket Elevator gets the results of noise intensity at 3 different points with an average value of point 1 (front) = 77.7 dBA, point 2 (side) = 72.0 dBA, and point 3 (top) = 77, 1dBA.
PEMOGRAMAN ARDUINO TERHADAP PENINGKATAN DAYA SEPEDA MOTOR HONDA BEAT FI Muhamad - Ghozali; Iman - Mawardi; Abd Rohman
Jurnal Ilmiah Poli Rekayasa Vol 18, No 2 (2023): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

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

Abstract

This study aims to obtain comparative data between the standard Honda BeAT PGM-FI motorbikes and those added by Arduino with an interpolated model. Interpolation is a method for obtaining data based on some known data. The method used is experimental based on relevant references. From the test results, it was found that the standard condition data was 6.2 hp at 2500 and 2655 rpm. while with the addition of Arduino the power value is 6.3 hp at 2500, 2664 and 2750 rpm. So that there is an increase in power of 0.1 hp or 1.58% between standard conditions and those using Arduino interpolation patterns.
Efisiensi Thermal Engine Honda GL Pro dengan Alat Uji Dynamometer Prony Brake Yusup Permana; Muhamad Ghozali
Journal of Applied Mechanical Technology Vol 1 No 1 (2022): Journal of Applied Mechanical Technology (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (691.553 KB) | DOI: 10.31884/jamet.v1i1.16

Abstract

The GL Pro motorbike used has undergone changes to the ignition system. The ignition system used previously was platinum converted to a CDI ignition system, the change was made because the ignition system using platinum was too old and the results of performance testing conducted by Ardiansyah J showed that using CDI increased engine performance. The fuel used is Pertamina's product, namely premium with a density of 0.772 kg/l and a calorific value of 10507.2 kcal/kg. The dynotest used is the prony brake type. The prony brake is used to hold the rotation of the engine by inhibiting rotation. The test results obtained a thermal efficiency value of 23.443%.
Co-Authors Abd Rohman Dedi Suwandi Iman - Mawardi Leo Van Gunawan Mohammad Amat Nota S Nur Rohmat, Yusup Sukarno, Nota Ali Sukroni Sukroni Sunaryo Yusup Permana