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Khoirudin Khoirudin, Khoirudin
Department of Computer Applied Technology, Nanchang University, China 999 Xuefu Road, Honggutan New District, Nanchang, Jiangxi Province, P.R. China Telp:+86-791-83969099 Fax:+86-791-83969069
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Pelatihan dan Pendampingan Proses Deep Drawing sebagai Upaya Pengembangan Produk Rumah Tangga Berbasis Logam Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rizki Aulia, Nanda; Agus , Supriyanto; Karyadi, Karyadi
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 5 No. 2: Februari 2026
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v5i2.13140

Abstract

Kegiatan pengabdian kepada masyarakat ini dilaksanakan di PT. Gama Satya Engineering (GSE), Karawang, dengan tujuan meningkatkan kemampuan teknis pekerja dalam memahami dan menerapkan proses deep drawing sebagai teknologi dasar dalam pembuatan peralatan rumah tangga berbasis logam. Perusahaan selama ini berfokus pada jasa manufaktur berbasis pesanan (customize product), sehingga belum memiliki produk unggulan yang dapat dipasarkan secara langsung kepada masyarakat. Metode pelaksanaan kegiatan meliputi pelatihan teori, demonstrasi proses deep drawing, pendampingan teknis perencanaan produksi, serta evaluasi peningkatan kompetensi peserta. Hasil kegiatan menunjukkan peningkatan signifikan terhadap pemahaman dan keterampilan peserta, dengan rata-rata peningkatan nilai uji sebesar 45%. Selain itu, mitra juga mulai mampu merencanakan pengembangan produk awal berupa baskom logam sebagai prototype. Kegiatan ini diharapkan dapat menjadi langkah awal bagi GSE untuk mengembangkan produk baru yang bernilai komersial, sekaligus memperkuat kolaborasi antara perguruan tinggi dan dunia industri.
The Effect of Compressor Speed ​​on Residential Air Conditioning Systems Using R407c and R32 Refrigerant SAFRIL, SAFRIL; Wan Hamzah, Wan Azmi Bin; Wei, Teh Ting; Gurning, Ridho Hans; Sukarman, Sukarman; Khoirudin, Khoirudin
Jurnal Teknik Mesin Mechanical Xplore Vol. 6 No. 2 (2025): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/g02r6b73

Abstract

The demand for residential air conditioning (RAC) systems is expected to increase in the future owing to rising ambient temperatures resulting from global warming. Therefore, it is important to develop and study refrigerants that can improve energy efficiency and thermodynamic performance. This study compares R32 and R407c refrigerants in RAC systems, with an emphasis on the coefficient of performance (COP) and cooling capacity. The research methodology used an experimental approach by testing compressor speeds of 2400, 2700, and 3000 rpm. Based on the test results, R32 consistently performed better than R407c at all compressor speed variations. The COP and cooling capacity of R32 increased significantly by 15.53% and 35.90%, respectively. The stability of R32 performance operated at different compressor speed variations showed an increase in operational adaptability. Finally, R32 was proven to be a more effective and efficient refrigerant than R407c in the RAC system.
Co-Authors Adiwibowo, Zakaria Afgani, Abduh Al Afif Hakim Agus , Supriyanto Agus Suprihanto Agus Supriyanto AHMAD JUNAEDI Akhmad Junaedi Amar Amar Amir Amir Amri Abdulah Amri, Saeful April Firman Daru Ardianto, Nova Aria Hendrawan, Aria Arif Wibowo, Ludvi Atmoko Nugroho Aulia Nanda, Rizki Azizah Azizah Azizah, Renata Lintang Azmi, W. H. Azzaki, Adnan Badriyah, Fatikhatul Banu Witono Basit, Arul Bernadus Very Christoko Budi, Pangga Urip Setio Budiansyah, Ade Cepi Cahyo, Tegar Dwi Cahyono, Yono Cepi Budiansyah, Ade Dewi Nurdiyah, Dewi Dhawy, Luay Raihan Dodi Mulyadi Dodi Mulyadi Dwicahyo, Tegar Fahrizin, Nazar Fazin, Nazar Fazrin, Nazar Fuadiah, Shiema Jamalah Galet Guntoro Setiaji Gunata, Krida Pandu Gymanstiar , Salman Fahrizal Hadi, Soiful Hananto, Agustia Hanif, Mohammad Burhan Hassanudin, Wahyu Maulana Hidayat, Syahrul Taufik Ines Heidiani Ikasari Irfan Rizky Hutomo Irfani, Tomas Karyadi Karyadi Khusna, Arina Kumbarasari, Shanti Lailisya Putri, Purnama Lamijan Lamijan, Lamijan Lintang Azizah, Renata Miftahudin, Moh Muahemin, Enjang Muji Setiyo Murtalim, Murtalim Muzammil, Ach Nanda, Rizki Aulia Noer Sasongko Nugroho, Fajar Raditya Nur Wakhidah Nur Widyartha, Yogi Nurtriana Hidayati Panata, Helmi Prasetio Patya, Dhea Intan Pratama, Tito Chaerul Prima, Juan Candy Prind Triajeng Pungkasanti, Prind Triajeng Putri, Nela Aulina Rahdiana, Nana Rahman, Mumammad Arif Rakasiwi, Galih Ramadan, Trisa Ramadani, Yovi Adhi Ransanoi, Teep Riana, Rati Ridho Hans Gurning Ridwan Rizki Aulia Nanda Rizki Aulia, Nanda Rohman Rosaria, Stefani Dewi Safril Safril Sanusi Sanusi Saputra Sigalingging, Wanri Saputra, Ridhwan Salahuddin Saputra, Ridhwan Shalahuddin Saputra, Rio Handika Setiarso, Galih Shieddieque, Apang Djafar Sudarjat, Muhammad Fauzaan Fikri Sudarjat Suhara, Ade Sukarman Sukarman Sukarman Sukarman Sulistiyanto Sulistiyanto, Sulistiyanto Supriyanto, Danang Susanto Susanto Susilo, Hendri Syamsudin Syamsudin Tantri, Andini Kartika Taufik Ulhakim, Muhamad Taufik Ulhakim, Muhammad Taufiqur Rokhman, Taufiqur Thiyana, Thyana Tikamori, Ghazi Titin Winarti Titis Handayani Tri Toto Wiharjianto, Muhammad Ulhakim, Mumamad Taufik Vensy Vydia Wahyu Christanto, Febrian Wan Hamzah, Wan Azmi Bin Wei, Teh Ting Widodo, Muhammad Faizal Agung Wieke Dewi Suryandari Zaidar, Chilfi ZAMAN, BADROE