Vol. 6 No. 02 (2025): (August)

Articles

• Innovation in the Development of a CO₂ Laser Cutting Machine: Experimentation on Cutting Quality and Machine Precision

  Sutopo (Department of Mechanical Engineering Education, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Beni Tri Sasongko (Department of Mechanical Engineering Education, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Farih Kurniawan (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Virda Hesy Lutviana Saputri (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Muhammad Imawan Badranaya (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Abdul Aziz Nugroho (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Septianto Budi Pranata (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)

  89-101

  Abstract View : 56

  PDF downloads: 193

  DOI : 10.21831/jeatech.v6i02.90321

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• Numerical study of a thermoacoustic refrigerator with different stack geometries

  Prastowo Murti (Mechanical and Industrial Engineering Faculty of Engineering Universitas Gadjah Mada, Indonesia)
  Wijayanti Dwi Astuti (Department of Electrical Engineering and Informatics, Vocational collage, Universitas Gadjah Mada, Jl. Yacaranda, Sekip Unit III, Yogyakarta 55281, Indonesia)
  Burhan Febrinawarta (Mechanical and Industrial Engineering Faculty of Engineering Universitas Gadjah Mada, Indonesia)
  Arief Putra Pratama (Mechanical and Industrial Engineering Faculty of Engineering Universitas Gadjah Mada, Indonesia)

  54-61

  Abstract View : 150

  PDF downloads: 602

  DOI : 10.21831/jeatech.v6i02.85682

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• A Analysis of Tempering Treatment after Hardening on S45C steel Bogie Pin Materials in relation to Mechanical Strength

  Heri Wibowo (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Arif Marwanto (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Prihatno Kusdiyarto (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)
  Mukhamad Andri Prasetio (Department of Mechanical and Automotive Engineering, Universitas Negeri Yogyakarta, Indonesia, Indonesia)

  102-111

  Abstract View : 68

  PDF downloads: 256

  DOI : 10.21831/jeatech.v6i02.90400

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• Energy and exergy analysis of coal-fueled fire tube alstom boiler using direct method: case study at garment factory

  Septian Trikusuma (Postgraduate Student of Mechanical Engineering, AKPRIND University, Indonesia, Indonesia)
  A.A.P. Susastriawan (Postgraduate School of Mechanical Engineering, AKPRIND University, Indonesia, Indonesia)
  Toto Rusianto (Postgraduate School of Mechanical Engineering, AKPRIND University, Indonesia, Indonesia)

  62-75

  Abstract View : 143

  PDF downloads: 245

  DOI : 10.21831/jeatech.v6i02.88002

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• PID Control System for Shaking Table and Bearing Capacity Measurement on Soil Liquefaction Simulator

  Sulis Setiowati (Department of Electrical Engineering, Politeknik Negeri Jakarta, Indonesia, Indonesia)
  Agung Sanubari (Department of Electrical Engineering, Politeknik Negeri Jakarta, Indonesia, Indonesia)
  Firly Nuraulia Rahmah (Department of Electrical Engineering, Politeknik Negeri Jakarta, Indonesia, Indonesia)
  A'isyah Salimah (Department of Civil Engineering, Politeknik Negeri Jakarta, Indonesia, Indonesia)
  Yelvi (Department of Civil Engineering, Politeknik Negeri Jakarta, Indonesia, Indonesia)

  76-88

  Abstract View : 63

  PDF downloads: 50

  DOI : 10.21831/jeatech.v6i02.84749

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