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Journal : Journal of Mechanical Engineering and Applied Technology

RANCANG BANGUN ELECTRIC ROTARY TABLE BERBASIS INVERTER GUNA MENURUNKAN CYCLE TIME PADA PRODUKSI PIPA KAPILER Sriyanto, Nanang Budi; Ulum, Muhammad Showi Nailul; Sai”™in, Ali; Su'udi, Ahmad Hamim
Journal of Mechanical Engineering and Applied Technology Vol. 2 No. 3 (2024): VOLUME 2 ISSUE 3 YEAR 2024 (NOVEMBER 2024)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v2i3.6078

Abstract

Cycle Time merupakan hal yang harus diperhatikan dalam waktu produksi, Cycle Time yang baik akan menunjang target yang harus terpenuhi, bahkan jika Cycle Time menurun maka produksi juga akan meningkat dan omset perusahaan juga akan meningkat. Pada studi kasus PT Arisamandiri Pratama yang salah satu produksinya berupa part AC yaitu pipa kapiler yang masih mengunakan meja putar manual untuk memutar pipa yang akan dilakukan proses las sehingga tidak mampu mencapai target 800 part/jam atau 6400 part/hari. Dengan rancang bangun Electric Rotary Table yang diputar dengan menggunakan motor listrik dapat menurunkan Cycle Time sebesar 17,38% dengan kapasitas 935 part/jam, hal ini melebihi target produksi sebesar 800 part/jam
ANALISA KEBOCORAN FUEL SUPPLY PUMP PADA UNIT EXCAVATOR PC 135F-10M0 DI PT XYZ Marali, Aryati Muhaymin; Muhaimin, Muhamad; Arwin, Arwin; Dwimas, Herdia; Yusrina, Yasmin Zulfati; Ulum, Muhammad Showi Nailul
Journal of Mechanical Engineering and Applied Technology Vol. 3 No. 2 (2025): VOLUME 3 ISSUE 2 YEAR 2025 (JULY 2025)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v3i2.6662

Abstract

The fuel system utilized in a unit is a crucial system, serving as the fuel supplier to the unit to start the engine. If the engine fails to start, one possible cause is a malfunctioning or damaged component of the fuel system, resulting in the high-pressure fuel not reaching the common rail. Consequently, the fuel is not supplied to the high-pressure common rail, leaving the engine without the required fuel supply. The outcome of this research is to identify and analyze the cause of the fuel supply pump component leakage in the excavator PC 135F-10M0 unit, with symptoms of the return hose to the tank being trapped by a clamp. Careless operation led to a wooden rod protruding into the bottom cover of the unit, puncturing and affecting the clamp on the fuel return hose to the tank.