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All Journal Jurnal IMPACT: Implementation and Action Scientific Journal of Mechanical Engineering Kinematika
Ma'ruf Ma'ruf
Universitas Lambung Mangkurat
Humanities Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : Scientific Journal of Mechanical Engineering Kinematika

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ANALISIS STRUKTUR PADA GIRDER OVERHEAD CRANE SWL 30 TON Jefriansyah Jefriansyah; Ma'ruf Ma'ruf
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (495.814 KB) | DOI: 10.20527/sjmekinematika.v3i1.5

Abstract

Overhead crane is a device used to move goods. Overhead cranes are very important during the production period, if there is a problem in the overhead crane, it can disrupt the production process. Therefore, load testing was conducted to determine the results of the girder deflection, whether large deflection is still within the limits that are allowed or not. This study to calculate the girder overhead crane occur in the loading variations, and adjust the properties of the material used. The amount of deflection is calculated using the equation Castigliano theory. research on the loading of 28.7 tons, 30 tons, and 37.5 tons with theoretical calculations obtained deflection value calculation results is 6,060mm, 6,335mm, and 7.918 for the imposition of the middle girder (1 / 2span). 5,191mm, 5,410mm and 6,763mm for the loading side (1 / 3span). The simulation results are 5,649mm, 5,834mm, and 6.898 for the imposition of the middle girder (1 / 2span) and 4,986mm, 5,101mm and 6,032mm for the loading side (1 / 3span). The results obtained have great value below allowable deflection value is 23.75 mm.
ANALISIS PERHITUNGAN DAN SIMULASI TEGANGAN TWIST LOCK RUBBER TIRED GANTRY CRANE (RTGC) KAPASITAS ANGKAT 35 TON DENGAN MENGGUNAKAN SOFTWARE AUTODESK INVENTOR 2014 Suryadi Suryadi; Ma'ruf Ma'ruf; Rudi Siswanto
Scientific Journal of Mechanical Engineering Kinematika Vol 3 No 1 (2018): SJME Kinematika Juni 2018
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.756 KB) | DOI: 10.20527/sjmekinematika.v3i1.6

Abstract

Rubber Tyred Gantry Crane (RTGC) is a transport lifting equipment which serves to move the containers from head truck to the container terminal or vice versa and as a regulator of the composition of the container stacks. Twist lock is the most important components that are on Rubber Tired Gantry Crane (RTGC). This component is located on the four corners of the spreader. Twist lock function to lock the container at the time of appointment. And load the container will be distributed evenly. This study and simulation to calculate the voltage that occurs at the twist lock with variations in loading and adjusts the nature of the material used. The magnitude of the voltage is done with theoretical calculations and simulated using Autodesk Inventor 2014 software. Based on the research results, the loading of 20 tons, 30 tons and 40 tons with theoretical calculations obtained voltage value is 94705,33 kPa, 142057,98 kPa dan 189410,66 kPa. The simulation results obtained von mises stress value 91900 kPa, 137800 kPa dan 183800 kPa.
HARDNESS TEST ON AL-Cu CASTING RESULTS DIE CASTING METHOD WITH VARIATION IN POUR TEMPERATURE AND PRESSURE Akhmad Taufik; Ma'ruf Ma'ruf
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 1 (2021): SJME Kinematika Juni 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i1.160

Abstract

Pada industri otomotif komponen suku cadang maupun elemen-elemen mesin banyak menggunakan paduan aluminium dengan proses pengecoran, penggunaan paduan aluminium pada pengecoran salah satunya aluminium dengan tembaga (Al-Cu). Pengecoran logam metode die casting merupakan bagian dari pengecoran bertekanan, dimana logam ditekan kedalam cetakan. Banyak industri pengecoran aluminium terutama industri kecil menengah dalam pembuatan produk atau komponen menggunakan material daur ulang dengan metode pengecoran tuang, sehingga akan berpengaruh terhadap penurunan sifat materialnya. Dengan metode die casting diharapkan mampu meningkatkan sifat fisis dan mekanisnya. Proses pengecoran dengan metode die casting dilakukan pada temperatur tuang (650⁰C, 670⁰C, dan 690⁰C) dengan variasi tekanan 0 (tanpa tekanan), 2,5 MPa, 5 MPa, dan 7,5 MPa. Hasil dari pengujian kekerasan menunjukkan pada temperatur tuang 650⁰C dan tekanan 7,5 MPa merupakan kekerasan paling tinggi dengan nilai 72 HB dan nilai kekerasan terendah terdapat pada temperatur 690⁰C tanpa tekanan dengan nilai kekerasan 58 HB. Dari penelitian ini dapat diambil kesimpulan bahwa temperatur tuang dan tekanan sangat berpengaruh terhadap nilai kekerasan pada proses pengecoran dengan metode die casting.
Co-Authors Akhmad Syarief Akhmad Taufik Gunawan Rudi Cahyono Jefriansyah Jefriansyah Pathur Razi Ansyah Rudi Siswanto, Rudi Suryadi Suryadi