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Setiyo Rojikin
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RANCANG BANGUN RANGKA MESIN ROASTING KOPI OTOMATIS KAPASITAS 5 KG: RANGKA Arda Arya Pratama Arda; Setiyo Rojikin
Jurnal Teknik Mesin Vol. 1 No. 2 (2022): JOURNAL OF MECHANICAL ENGINEERING
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jmeeg.v1i2.464

Abstract

Coffee processing roasting process technology is still limited, with processing usingtraditional roasting methods. This takes a long time and the temperature cannot be regulated asrequired. Therefore, roasting machine innovation is required to create a 5 kg capacity automaticcoffee roasting machine. The innovative roasting machine was designed with the quality of theengine frame in mind.The study prepared in this report aims to complete the steps of the processof designing, calculating and testing the framework of a 5 kg capacity coffee roaster. The design,calculation and analysis of the frame system examines the calculation of the material, calculationof the load, balance of labor, stress analysis, displacement, safety of the factors on the heatingchamber frame, the top cover frame, the stepping motor frame, the calculation of welded joints.Based on the results and discussion, the frame material uses ASTM A36 steel with a square hollowstock profile measuring (30 × 30 × 1.2) mm. Welding is done by welding the butt joint, T joint andcorner joint. The permissible stress value of the material is 176.72 N/mm2. The load on the heatingchamber is 3,920 N/mm2, on the upper frame cover 1,263 N/mm2 and on the stepper motor 4,947N/mm2. The stress value for the frame is 47N/mm2 (Mpa), the displacement value is 0.41mm, thesafety factor value is 8.Keywords: : Roast, Frame, Material, Test, Safety of Factor
Analisis Pengaruh Boost Pressure After Cooler Terhadap Performance Engine MTU 16V4000 Yudi Kurniawan; Arwin; Mohamad Amin; Fajar Paundara; Setiyo Rojikin
JURNAL ALAT BERAT Vol 1 No 2 (2024): Juli 2024
Publisher : Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jab.v1i2.26

Abstract

Perkembangan teknologi  semakin cepat, kebutuhan energi semakin meningkat, dan  bahan baku  semakin langka sehingga menyebabkan kenaikan harga. Untuk mengatasi krisis permintaan energi yang semakin meningkat, diperlukan alternatif lain untuk memenuhi kebutuhan energi. Salah satunya dengan mengganti sumber energi  lama dengan sumber energi lain seperti batu bara. Unit dump truck khususnya EH 4500 digunakan untuk mengangkut material baik  berupa tanah maupun batubara menuju disposal.  EH 4500 menggunakan mesin MTU 16V4000kk33. Perawatan rutin dilakukan pada mesin MTU 16V4000 untuk menjaga kondisi performa engine. Pemeliharaan yang dilakukan selain pemeliharaan adalah overhaul dan reuse. Studi juga dilakukan untuk memastikan efektivitas menggunakan metode literatur dan manual engine MTU 16V4000 sebagai dasar penelitian. Penelitian menunjukkan bahwa kinerja maksimum dicapai dengan  beban maksimum. Engine dengan  CAC baru menghasilkan tenaga 2020 kW pada beban 100%, sedangkan mesin dengan CAC re-use menghasilkan tenaga 1983 kW pada beban 100%.
Co-Authors Arda Arya Pratama Arda Arwin Fajar Paundara Mohamad Amin Yudi Kurniawan