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All Journal GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal ComunitA Servizio
Melky Hendrik Kelo
Universitas Kristen Indonesia
Humanities Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics Nursing Social Sciences Other

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PEMANFAATAN LIMBAH PLASTIK UNTUK PENGEMBANGAN USAHA BANK SAMPAH NUSA INDAH PADA PEMBUATAN PAVING BLOCK Sudarno P Tampubolon; Medyawanti Pane; Sesmaro Max Yuda; Togu Tri Saputra Lumban Gaol; Gresia Enjelina Siahaan; Luice Raymon Nainggolan; Melky Hendrik Kelo
GERVASI: Jurnal Pengabdian kepada Masyarakat Vol. 10 No. 1 (2026): GERVASI: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM IKIP PGRI Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31571/gervasi.v10i1.10041

Abstract

Akumulasi sampah plastik menyebabkan pencemaran tanah dan perairan, memicu polusi udara, serta berkontribusi terhadap peningkatan emisi gas rumah kaca yang memperburuk pemanasan global dan perubahan iklim. Volume sampah plastik yang terus meningkat tidak diimbangi dengan sistem pengelolaan yang efektif, sehingga kapasitas Tempat Pembuangan Akhir (TPA) semakin terbatas dan pencemaran lingkungan meluas hingga ke lautan. Daur ulang plastik yang masih rendah, hanya berkisar 5–10%, menunjukkan perlunya inovasi pengolahan limbah. Sosialisasi dan pelatihan pembuatan paving block dengan campuran plastik PET menjadi alternatif inovatif untuk meningkatkan nilai guna sampah plastik sekaligus mengurangi dampak negatif terhadap lingkungan. Kegiatan ini menghasilkan paving block mutu C dengan f’c 12,5–15 MPa dengan campuran plastik yang memiliki daya serap air yang lebih rendah dibandingkan dengan paving normal, karena sifat plastik yang hidrofobik. Paving block dengan campuran plastik memberikan pengaruh minimal pada perendaman, sedangkan paving mormal peningkatan serapan lebih signifikan akibat struktur pori yang lebih terbuka.
Pelatihan Pengoperasian Mesin CNC Milling di SMTK Sabu Raijua, Nusa Tenggara Timur Aryantono Mortowidjojo; Sesmaro Max Yuda; Medyawanti Pane; Stepanus; Ivan Julius Rajagukguk; Zefanya Sipahelut; Melky Hendrik kelo; Maria Helena Putri Nira; Jonathan Oliver Kislew Tanuwidjaja
JURNAL Comunità Servizio : Jurnal Terkait Kegiatan Pengabdian kepada Masyarakat, terkhusus bidang Teknologi, Kewirausahaan dan Sosial Kemasyarakatan Vol. 7 No. 2 (2025): OKTOBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Univesitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cs.v7i2.7034

Abstract

The development of technology is increasingly rapid, especially in the world of machinery or industry, so improving the competence of student graduates is very important to prepare the workforce needed in the industrial environment. SMTK Sabu Raijua East Nusa Tenggara is currently unable to have a craft technique based on science and technology that supports the industrial era 4.0. as an initial competency in the production process for small and medium industries in the field of manufacturing technology and engineering. Therefore, the Universitas Kristen Indonesia through the PkM Team, conducted CNC milling machine programming training for teachers and students. This training aims to improve the abilities or competencies of students in preparation for entering the industrial world which is packaged in extracurricular lessons. The method of implementing this PkM activity uses the training and evaluation method. This training activity includes selecting milling eyes, a simple product design process on Vetric software, creating G-Code files on Vetric software, calibration between system coordinates and machine coordinates, and operating CNC machines. The training was attended by 36 participants consisting of students and teachers of SMK HKBP Pematang Siantar on January 27-29, 2025. After training and observation, it was concluded that participants were able to produce simple products such as key chains based on CNC machines according to the standards determined by the team.
Co-Authors Aryantono Mortowidjojo Gresia Enjelina Siahaan Ivan Julius Rajagukguk Jonathan Oliver Kislew Tanuwidjaja Luice Raymon Nainggolan Maria Helena Putri Nira Medyawanti Pane Sesmaro Max Yuda Stepanus Stepanus Sudarno P Tampubolon Togu Tri Saputra Lumban Gaol Zefanya Sipahelut