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Journal : Journal of Mechanical Engineering and Applied Technology

Rancang Bangun Mesin Pengepres Sandal Mengunakan Roll Kapasitas 60 Buah/Menit dengan Daya Motor 1 HP Trio Setiyawan; Hening Krisna Adi; Satrio Erdiano; Syahru Romadlon Fanani; Mohammad Samsul Bakhri
Journal of Mechanical Engineering and Applied Technology Vol 1, No 1 (2023): Volume 1 Issue 1 Year 2023 (March 2023)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v1i1.4723

Abstract

Abstract  Sandals are a need for clothing for humans which are often used in daily activities, sandals are also protective feet for humans when on the move. Sandals have several types, in this study the authors focused on sandals made of EVA sponge. In the process of making sandals, several machines or tools are needed to make sandals, while this research will focus on the sandal adhesive machine. The purpose of this research is to get perfect gluing results in making sandals using a roll machine which is easy to operate and maintain. The method used is gluing the sandal material through a rolling process which is carried out by placing the sandal material on the guide table, then the sandal material is entered between a pair of pulling rolls and then forwarded to the next pair of rolls for the gluing or pressing process. The end result of the design of this sandal pressing machine can produce sandals production capacity of up to 60 sandals/minute with a shear stress strength of 0.1505 N/mm².
PERFORMANCE TESTING OF SEAWATER DISTILLATION EQUIPMENT USING SOLAR POWER TO PRODUCE FRESH WATER Sepdianto; Kosasih, Khaecal Rabbil Izzati; Bakhri, Mohammad Samsul
Journal of Mechanical Engineering and Applied Technology Vol. 3 No. 3 (2025): VOLUME 3 ISSUE 3 YEAR 2025 (NOVEMBER 2025)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v3i3.7195

Abstract

Design is a stage that involves several systematic stages, ranging from basic calculations to the performance test process. In the process of making distillation equipment, after the fabrication process, a process of testing the performance of the tool is required. Where is the performance test process to find out if the tool is in accordance with the calculations made in the previous process. This study aims to determine the quality of water resulting from distillation which includes, TDS, odor, pH, and salinity. The test method used in this study is experimental by conducting a performance test of a distillation device that utilizes sunlight for 5 days with 5 liters of water tested (1 liter per day continuously) starting from 08.00 to 17.00 by making observations every 1 hour. The results of the equipment test show that the quality of the water produced from the distillation equipment has met the standards of the Indonesian Ministry of Health. No.2 of 2023, while for the highest freshwater productivity per day of 287 ml and the lowest 204 and for the highest distillation equipment performance with an efficiency value of 94.18% and the lowest efficiency of 86.75%. Keywords: Distillation; Solar Power; Sea Water; Quality