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Evaluasi Kinerja Efisiensi Energi Mesin Bubut Melalui Penilaian Indikasi Specific Energy Consumption
Abstract
ABSTRAK
Kondisi ketidakselarasan sistem transmisi pulley-belt pada mesin bubut berpengaruh terhadap nilai inefisiensi konsumsi energi mesin perkakas. Penelitian ini bertujuan untuk melakukan kajian evaluasi kinerja efisiensi energi mesin bubut pada kondisi sistem transmisi pulley-belt mesin yang selaras dan tidak selaras. Kajian ini menggunakan metoda penilaian indikasi specific energy consumption (SEC) dari proses pemesinan bubut. Nilai total konsumsi energi saat proses pemotongan diukur menggunakan power analyzer, dan diolah menjadi nilai data SEC, kemudian dianalisis menggunakan Data Envelopment Analysis untuk mendapatkan harga referensi. Penilaian skor penurunan energi setiap mesin diperoleh dengan membandingkan jarak nilai SEC setiap mesin terhadap nilai referensi. Obyek penelitian menggunakan lima buah mesin bubut uji berkapasitas daya medium. Hasil kajian menunjukkan bahwa pada kondisi ketidakselarasan sistem transmisi pulley-belt menyebabkan terjadinya inefisiensi energi mesin bubut sebesar 5%.
Kata kunci: Data Envelopment Analysis ,efisiensi energi, ketidakselarasan, SEC
Â
ABSTRACT
The pulley belt transmission system's misalignment condition on turning machine affects the low-efficiency value of machine tool energy consumption. This study aims to evaluate the energy efficiency of a lathe in the alignment and misalignment of the pulley-belt transmission system. This study used a method of assessing the specific energy consumption (SEC) of the lathe machining process. During the cutting process, the total energy consumption value is measured using a power analyzer and processed into SEC data values, then analyzed using Data Envelopment Analysis to obtain a reference value. The assessment is obtained by comparing the distance between each machine's SEC value and the reference value. The case study's object was conducted on five test lathes with medium power capacity. The study results show that the pulleybelt transmission system's misalignment causes the lathe's energy inefficiency of more than 5%.
Keywords: Data Envelopment Analysis, efficiency energy, misalignment, SEC
Keywords
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DOI: https://doi.org/10.26760/elkomika.v9i2.389
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ISSN (print) : 2338-8323 | ISSN (electronic) : 2459-9638
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Department of Electrical Engineering Institut Teknologi Nasional Bandung, Indonesia
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