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Didik Rohmantoro
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Jl. PGRI II No.232, Sonosewu, Ngestiharjo, Kec. Kasihan, Bantul, Daerah Istimewa Yogyakarta 55184
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Kota yogyakarta,
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Journal of Automotive Technology Vocational Education
Published by Universitas PGRI Yogyakarta
ISSN : -     EISSN : 27224430     DOI : 10.31316
Core Subject : Engineering,
Automotive Engineering Engineering
Teaching and Learning at TVET: studying theory and strategy; curriculum development; development of learning media; teaching methods; character education on TVET; industrial internship; work based learning; e-learning development for TVET; technology-based entrepreneurship based learning; school based company; vocational student behavior. Evaluation, Assessment and Certification at TVET: qualifications framework; competency based education and training; recognition of prior learning; authentic assessment on TVET; industry standard based competency assessment Human Resource Management at TVET: vocational career development; professional development of teachers and trainers; leadership at TVET; teacher recruitment; vocational teacher certification; Professional association council contributions. Vocational Resources at TVET: laboratory facilities; workshop facilities; vocational budgeting; vocational education infrastructure; Applied technology in VET; economic development on TVET; virtual laboratory development; digital library; development of learning facilities at TVET. Contemporary Problems on TVET: Policies on TVET; social issues on TVET and the social impact of providing VET; vocational education for sustainable development; public-private partnership on TVET; IT based community. Technology: Educational Technology, Automotive Technology, and Machine Technology.
Arjuna Subject : Ilmu Sosial - Ilmu Sosial (Lain-Lain)
Articles 64 Documents
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PENGARUH VISKOSITAS MINYAK PELUMAS TERHADAP KONSUMSI BAHAN BAKAR Afvin Ismaya Tanumurti; Basmal; Amiruddin, M.Pd., Muhamad
Journal of Automotive Technology Vocational Education Vol. 6 No. 2 (2025): Desember
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

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Abstract

Rapid technological advances in the automotive field have led to improvements in vehicle engine performance and efficiency. One crucial factor that supports engine performance is the lubrication system. The right viscosity value will help the lubrication process run optimally, reduce friction between components, and prevent premature damage to the engine. Fuel efficiency in motorcycles is a major concern for users because it is directly related to daily expenses. The purpose of this study is to determine the effect of lubricant viscosity on fuel consumption in the Mio Sporty. The methods used are literature study, observation, experimentation or testing, and documentation. After conducting several experiments using lubricants with different viscosities, it was found that the higher the viscosity, the more fuel was consumed. This is due to greater internal engine friction, which requires more power to maintain rotation, thereby impacting fuel efficiency. The conclusion is that the higher the oil viscosity, the greater the fuel consumption.   Keywords: oil viscosity, fuel consumption.
INOVASI MESIN HAMMER MILL JAGUNG HORIZONTAL SEBAGAI TEKNOLOGI PRODUKSI PAKAN TERNAK ORGANIK Teguh Wiyono; Desi Tri Utami; Luluk Takari Sarjana Rini
Journal of Automotive Technology Vocational Education Vol. 6 No. 2 (2025): Desember
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

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Abstract

This study aims to evaluate the innovation of a horizontal corn hammer mill machine as a technology to support the improvement of efficiency and quality in livestock feed production. The study used an applied experimental design with a quantitative approach to assess the technical performance of the machine. The treatment variables included variations in rotor speed and hammer design, while the response variables included production capacity, electricity consumption, and particle size distribution of the milled product. The study was conducted on a small to medium production scale using dry shelled corn as feed raw material. Data collection was carried out through controlled machine performance testing, then analysed descriptively and quantitatively by comparing the average values of each performance parameter. The results showed that the horizontal corn hammer mill machine with a driving power of 5.5 HP and a rotation speed of 2500 rpm was capable of achieving a production capacity of up to 300 kg/hour with a relatively compact machine design. The machine demonstrated competitive efficiency compared to similar machines and was able to produce more uniform corn particle sizes, which contributed to improved physical feed quality. The integration of machine design, material flow control, and appropriate operational parameters made this technology applicable and potentially widely applicable in small to medium-scale livestock feed businesses. Keyword: hammer mill, animal feed production, particle size, corn grinding
IMPLEMENTASI SUPERVISI PEMBELAJARAN MENDALAM SEBAGAI STRATEGI INOVATIF PENINGKATAN KUALITAS GURU DAN PEMBELAJARAN DI SEKOLAH MENENGAH KEJURUAN Fakhri, Faizal; Adiyanta, Santa; Suroso, Agus
Journal of Automotive Technology Vocational Education Vol. 6 No. 2 (2025): Desember
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

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Abstract

This study aims to analyze the implementation of deep learning supervision at SMK Negeri 1 Karangawen as a strategy to enhance the quality of teaching and teacher professionalism. The study is grounded in the government’s policy on the adoption of the deep learning approach within the Merdeka Curriculum, which emphasizes the development of critical thinking, collaboration, and contextual understanding among students. A qualitative case study design was employed, involving 63 teachers across three vocational programs: Mechanical Engineering, Automotive Engineering, and Fashion Design. Data were collected through pre-teaching interviews, classroom observations, and post-teaching interviews to provide a comprehensive understanding of how deep learning supervision was implemented.The findings indicate that the supervision activities had a significant positive impact on improving the quality of instructional practices. A total of 52 teachers (82.5%) achieved an Excellent category, 8 teachers (12.7%) were rated Good, and 3 teachers (4.8%) were rated Fair, with none in the Poor category. The supervision process enhanced teachers’ abilities in planning, executing, and reflecting on deep learning-based instruction, while also fostering a culture of collaboration and reflective practice among educators.In conclusion, deep learning supervision effectively improves teacher professionalism and the quality of vocational education. The results of this study are expected to serve as a reference for developing more adaptive supervision models aligned with the demands of 21st-century learning in vocational schools. Keywords: Instructional supervision, deep learning, vocational education, teacher professionalism, vocational school
PENGARUH PENGGUNAAN VARIASI SISTEM PENGAPIAN & VARIASI PENGGUNAAN BAHAN BAKAR DENGAN KADAR RON BERBEDA TERHADAP KONSUMSI BAHAN BAKAR PADA ENGINE TOYOTA 5K Dhimas Aji Priyatmoko; Kurniawan Joko Nugroho; Amiruddin, M.Pd., Muhamad
Journal of Automotive Technology Vocational Education Vol. 6 No. 2 (2025): Desember
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

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Abstract

This study aims to determine the fuel consumption efficiency of Pertalite, Pertamax, and Pertamax Turbo in a Toyota 5K engine with two ignition systems, namely the conventional system and the CDI (Capacitor Discharge Ignition) system. The test was conducted at a constant engine speed of 1500 rpm for 5 minutes, with the engine mounted on an engine stand without a charging system (alternator), causing the battery voltage to decrease over time. The CDI system, which depends on stable voltage, showed incomplete combustion results when the voltage decreased, while the conventional ignition system was still able to work properly. The results of the study show that conventional ignition systems are more efficient than CDI in terms of fuel consumption. The lowest fuel consumption was recorded when using Pertamax Turbo with conventional ignition (130 ml), while the highest consumption occurred when using Pertalite with CDI ignition (160 ml). The largest difference in consumption occurred with Pertamax Turbo fuel, at 13 ml between the two ignition systems. These results indicate that fuel efficiency is influenced by the suitability of the ignition system to electrical conditions and fuel characteristics.   Keywords: Toyota 5K engine, CDI ignition system, and conventional ignition.

Page 7 of 7 | Total Record : 64

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