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All Journal Community Empowerment Journal of Mechanical Engineering, Science, and Innovation
Hernando, Ivan Christian
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Arts Humanities Control & Systems Engineering Education Energy Engineering Mechanical Engineering Public Health Social Sciences

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Utilization of cow dung as a biogas raw material for alternative energy in Buddagan 1 Hamlet, Kabupaten Pamekasan Anggono, Willyanto; Hernando, Ivan Christian; Tulistyantoro, Lintu
Community Empowerment Vol 10 No 4 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12543

Abstract

Buddagan 1 Hamlet, Pamekasan Regency, faces the problem of cow dung waste piling up around the house, causing an unpleasant odor and unhygienic kitchen conditions. The proximity of the cow shed to the kitchen, coupled with the status of a heritage village that requires a solution without changing the building structure, demands an innovative approach. Therefore, this community service aims to apply biogas technology to utilize cow dung waste as an alternative energy source, improve environmental cleanliness, and reduce household expenses. Community service activities include socialization of biogas technology, training on use and maintenance, as well as installation and evaluation assistance. As a result, biogas technology was successfully implemented, meeting cooking gas needs, reducing household costs, and producing organic fertilizer. Socialization, training, and ongoing assistance ensure the operational success of biogas technology. Buddagan 1 Hamlet is now an inspiring example of environmentally friendly livestock waste management.
Comparative Performance of Material Extrusion and Vat Photopolymerization Systems for Automotive Product Tanoto, Yopi Yusuf; Sugiarto, Nicholas Adriel; Hernando, Ivan Christian; Anggono, Willyanto
Journal of Mechanical Engineering, Science, and Innovation Vol 5, No 2 (2025): (October)
Publisher : Mechanical Engineering Department - Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jmesi.2025.v5i2.8201

Abstract

Additive Manufacturing (AM) has emerged as a rapidly developing technology with applications ranging from product visualization and prototype fabrication to actual production. Various types of AM are available on the market, broadly categorized into industrial-grade and consumer-grade machines. This study focuses on consumer-grade printers, which are more affordable and widely accessible. Among these, the two most commonly used technologies are Material Extrusion (ME) and Vat Photopolymerization (VP). While the performance of ME printers has been widely investigated, comparative studies between ME and VP remain limited. This research provides a performance comparison of the two technologies. The findings indicate that VP printers outperform ME in terms of printing speed and energy efficiency. On the other hand, FDM printers offer advantages in material cost and dimensional accuracy in the Z direction. Furthermore, the study examines the potential of consumer-grade printers to support automotive product prototyping efficiently and practically.
Co-Authors Lintu Tulistyantoro Sugiarto, Nicholas Adriel Tanoto, Yopi Yusuf Willyanto Anggono