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Jurnal Pendidikan Teknik Mesin Undiksha
Published by Universitas Pendidikan Ganesha
ISSN : 26141876     EISSN : 26141884     DOI : http://dx.doi.org/10.23887/jjtm.v7i1.18616
Core Subject : Education, Engineering,
Automotive Engineering Education Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Pendidikan Teknik Mesin, adalah jurnal ilmiah yang diterbitkan oleh Jurusan Pendidikan Teknik Mesin, Fakultas Teknik dan Kejuruan, Universitas Pendidikan Ganesha. Jurnal ini bertujuan untuk mewadahi artikel-artikel hasil penelitian dan hasil pengabdian masyarakat dibidang pendidikan dan pembelajaran teknik. Pada akhirnya Jurnal ini dapat memberikan deskripsi tentang perkembangan ilmu pengetahuan dan teknologi di bidang pendidikan teknik mesin bagi masyarakat akademik. Jurnal ini terbit 3 kali setahun.
Arjuna Subject : Umum - Umum
Articles 330 Documents
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Pengembangan Media Video Microleaning berbasis Aplikasi Canva Materi Pengoperasian Mesin Computer Numerical Controller (CNC) TU – 3A: Development of Microlearning Video Media Using Canva Application on Computer Numerical Controller CNC TU-3A Machine Operation Material at the Faculty of Engineering, State University of Jakarta Riyadi; Hari Din Nugraha; Audya Marshanda
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 1 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i1.112851

Abstract

Kebutuhan akan media pembelajaran yang inovatif dan efektif terus meningkat seiring dengan pesatnya perkembangan teknologi informasi serta terbatasnya akses mahasiswa terhadap praktik langsung dengan mesin CNC. Penelitian ini bertujuan untuk mengembangkan media video microlearning menggunakan aplikasi Canva untuk mendukung pembelajaran pada materi dasar pemrograman mesin CNC TU-3A. Media dikembangkan menggunakan metode Research and Development (R&D) dengan model ADDIE (Analyze, Design, Development, Implementation, Evaluation), yang menghasilkan video pembelajaran berdurasi singkat 2–5 menit per topik dan dapat diakses secara fleksibel oleh mahasiswa. Validasi dilakukan oleh ahli materi dan ahli media, uji keterbacaan oleh tiga mahasiswa, serta uji kelayakan kepada 32 mahasiswa. Hasil uji kelayakan menunjukkan skor 100% dari validasi materi dan media, 96% dari uji keterbacaan, dan 88% dari uji kelayakan mahasiswa. Berdasarkan hasil tersebut, dapat disimpulkan bahwa media yang dikembangkan termasuk dalam kategori “Sangat Layak” untuk digunakan dalam proses pembelajaran.  The need for innovative and effective learning media continues to grow along with the rapid development of information technology and the limited access students have to direct practice with CNC machines. This study aims to develop microlearning video media using the Canva application to support learning in the basic programming material of CNC TU-3A machines. The media was developed using the Research and Development (R&D) method with the ADDIE model (Analyze, Design, Development, Implementation, Evaluation), resulting in short-duration instructional videos of 2–5 minutes per topic that can be accessed flexibly by students. Validation was conducted by subject matter experts and media experts, with readability testing by a small group of three students, and a feasibility test involving 32 students. The feasibility test results showed a score of 100% from content and media validation, 96% from the readability test, and 88% from the student feasibility test. Based on these results, it can be concluded that the developed media is categorized as “Very Feasible” for use in the learning process.
Studi Pengaruh Polaritas Arus Pengelasan SMAW dan GTAW Pada Lembaran Stainless Steel Metode Pengujian Impact : Study of the Effect of SMAW and GTAW Welding Current Polarity on Stainless Steel Sheets Impact Testing Method Fahreza Krisna Nugroho; Muhammad Al Fatih Hendrawan
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.113446

Abstract

Welding is a widely used fabrication process in industry to permanently join metallic materials. Welding parameters, particularly current polarity, significantly influence heat distribution during welding which ultimately affects the mechanical properties of welded joints. This study aims to analyze the effect of current polarity in Shielded Metal Arc Welding (SMAW) and Gas Tungsten Arc Welding (GTAW) processes on the impact toughness of SUS 304 stainless steel. An experimental method was employed with variations in welding processes (SMAW and GTAW) and electrode polarities, namely electrode negative (EN) and electrode positive (EP). Impact toughness testing was carried out using the Charpy impact test in accordance with ASTM E23 standards. The results show that current polarity significantly affects the impact toughness of welded joints. The highest impact value was obtained from the GTAW process with electrode negative polarity (EN) at 2.89 J/mm², while the lowest value was observed in GTAW with electrode positive polarity (EP) at 0.71 J/mm². These findings indicate that heat distribution during welding influences microstructural characteristics and the material’s ability to absorb impact energy. Based on the results, GTAW with electrode negative polarity is recommended for applications requiring high toughness in stainless steel welded joints.
The The Influence of K3 Understanding on K3 Implementation in Motorcycle Engineering Expertise Competencies : The Influence of K3 Understanding on K3 Implementation in Motorcycle Engineering Expertise Competencies Irfan Kurniawan; Shohihatur Rohman; Kriswanto
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.113632

Abstract

This study aims to analyze the effect of Occupational Safety and Health understanding on the implementation of safety practices among students during workshop activities in the Motorcycle Engineering competency at SMK Muhammadiyah 2 Semarang, which is motivated by the low level of student safety behavior. The study employed a quantitative descriptive approach with a sample of 26 students. Data were collected through observation, interviews, and a 20-item Likert-scale questionnaire, and analyzed using validity, reliability, normality tests, and simple linear regression with SPSS. The results indicate that the instrument is valid and reliable with a Cronbach’s Alpha value above 0.80, and the data are normally distributed. Regression analysis shows that Occupational Safety and Health understanding has a significant effect on its implementation, with a significance value of less than 0.01 and a coefficient of determination of 0.601, indicating that 60.1 percent of safety practice implementation is influenced by students’ understanding, while the remaining is affected by other factors. These findings confirm that higher levels of safety understanding lead to better safety behavior during practical activities. This study highlights the importance of strengthening practice-based safety learning, developing consistent safe work habits, and enforcing supervision to improve safety implementation in vocational schools.the abstract in English here. If articles in English, abstract in Indonesia language do not need to be included. Writing abbreviations and mathematical formulas in the abstract needs to be avoided. The abstract consists of summary of the research objectives, approaches or methods used, important results and conclusions.
Analisis Pengaruh Fraksi Volume Serat Rambut Manusia dan Dedak Padi terhadap Sifat Mekanik dan Morfologi Komposit Poliester : Analysis of the Effect of Volume Fraction of Human Hair Fiber and Rice Bran on the Mechanical Properties and Morphology of Polyester yoga ahdiat fakhrudi; Pradhana Kurniawan; M. Shafwallah Al. Aziz; Imam Basuki; Agung Kurniawan; Hilmi Muhtadi
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.113746

Abstract

Natural fiber-based composites have several advantages, including relatively light weight, good strength, easy processing, and environmentally friendly. This study aims to analyze the effect of variations in the volume fraction of human hair fibers on the mechanical properties of polyester composites, including tensile strength and impact strength, as well as macro and micro morphology. The method used is an experiment with the manufacture of composite specimens using hand lay-up with variations in the volume fraction of hair fibers and dadak fibers: 15 wt%: 15 wt%, 20 wt%: 10 wt%, 25 wt%: 5 wt%. The test results show that variations in the volume fraction have a significant effect on the mechanical properties of human hair fiber composites. The highest tensile strength value of 27.7 MPa was obtained at a volume fraction variation of 25:5, while the lowest value was 23.6 MPa. In the impact test, the highest value of 0.00597 J/mm² was also obtained at a variation of 25:5, while the lowest value was 0.00482 J/mm².
Artikel Analisis Kesiapan Guru Teknik dan Bisnis Sepeda Motor dalam Integrasi Artificial Intelligence: Analisis Kesiapan Guru Teknik dan Bisnis Sepeda Motor dalam Integrasi Artificial Intelligence Kadek Suta Mertaya; Edi Elisa; Nyoman Arya Wigraha
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.117030

Abstract

The development of Artificial Intelligence (AI) technology in the era of the Industrial Revolution 4.0 has encouraged the transformation of learning practices, particularly in vocational education. This study aimed to analyze the readiness of Motorcycle Engineering and Business teachers to integrate AI into the learning process. A descriptive qualitative approach was employed, with data collected through interviews, observations, and documentation. The research subjects consisted of Motorcycle Engineering and Business teachers at SMKN 1 Gerokgak and SMKN 3 Singaraja. Data were analyzed through data reduction, data display, and conclusion drawing. The findings revealed that teachers’ understanding of AI tended to be at the multistructural level of the SOLO Taxonomy, while some teachers had begun to demonstrate relational characteristics. Teachers’ skills in utilizing AI were generally at the manipulation level of Dave’s Psychomotor Taxonomy, with several teachers reaching the precision level. Teachers’ attitudes and perceptions toward AI integration showed a positive tendency and were categorized at the valuing stage of Krathwohl’s Affective Taxonomy. Supporting factors for AI integration included institutional support, training opportunities, adequate facilities and infrastructure, and teachers’ adaptability. Meanwhile, inhibiting factors included disparities in digital competence, limited training access, paid AI features, prompt formulation skills, and challenges in monitoring students’ use of AI. These findings indicate that teachers’ readiness to integrate AI into learning is relatively good; however, further competency development and institutional support are needed to optimize AI implementation in vocational education.
Persepsi Guru-Siswa Terhadap AI Dalam Pembelajaran Teknik Mesin Di SMKN 3 Singaraja: Teacher-Student Perceptions Of Ai In Mechanical Engineering Learning At SMKN 3 Singaraja Bayazid Al Bustami; Nyoman Pasek Nugraha; Edi Elisa; Kadek Rihendra Dantes; Gede Widayana
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.117740

Abstract

This study aims to analyze teachers’ and students’ perceptions of the use of Artificial Intelligence (AI) in learning within the Mechanical Engineering Department at SMKN 3 Singaraja. The study is motivated by the increasing integration of AI technology in vocational education, which requires readiness from both teachers and students. This research employs a qualitative exploratory approach. Participants were selected using purposive sampling, consisting of teachers and students of the Mechanical Engineering Department. Data were collected through semi-structured interviews, non-participant observation, and documentation, and analyzed using the Miles and Huberman interactive model, including data reduction, data display, and conclusion drawing. The findings indicate that teachers perceive AI as an effective learning aid that supports theoretical instruction and administrative tasks, but it cannot replace hands-on practical training in workshops. Meanwhile, students view AI as a learning assistant that helps them understand materials and solve technical problems, although it may lead to dependency risks. In conclusion, AI functions as a supporting tool rather than a replacement for teachers. Proper regulations, improved digital literacy, and strengthened teacher roles are required for effective implementation in vocational education.
Pengaruh E-Modul Interaktif Terhadap Motivasi Dan Hasil Belajar Siswa Pada Pembelajaran AC Split: The Effect Of Interactive E-Modules On Student Motivation And Learning Outcomes In Split AC Lessons I Made Hendra Wiratama; Kadek Rihendra Dantes; Jhony Langgeng Baruna Wirawan
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.118619

Abstract

This study aimed to analyze the effect of using interactive e-module-based learning media on students' motivation and learning outcomes in Air Conditioner Split learning among Grade XI Electronics Engineering students at SMK Negeri 3 Singaraja. The study employed a quantitative approach using a pre-experimental method with a one-group pretest-posttest design. The sample consisted of 28 students selected through a saturated sampling technique. Data were collected through a learning motivation questionnaire and learning achievement tests that had met the requirements of validity and reliability. The data were analyzed using learning outcome improvement analysis and non-parametric statistical tests to determine the differences between the results before and after the treatment. The results showed that the use of interactive e-modules was able to improve students' learning motivation, reaching 95 percent, which was categorized as very high. The average student learning outcome score also increased from 59.82 in the pretest to 86.07 in the posttest, with the level of improvement categorized as moderate. Furthermore, the statistical test results indicated a significant difference between students' learning outcomes before and after the implementation of the interactive e-module. Therefore, it can be concluded that interactive e-module-based learning media have a positive and significant effect on students' motivation and learning outcomes in Air Conditioner Split learning at SMK Negeri 3 Singaraja. Keywords : interactive e-module, learning motivation, learning outcomes, air conditioner split.
Pengaruh Jenis Filter Udara Terhadap Torsi, Daya, dan Konsumsi Bahan Bakar: The Effect of Air Filter Type on Torque, Power, and Fuel Consumption Putu Agus Hendrawan; Nyoman Arya Wigraha; Gede Wiratmaja; Edi Elisa
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.119417

Abstract

This study aims to analyze the effect of variations in air filter materials on torque, power, and fuel consumption in a Honda Beat 110 cc fuel-injected motorcycle. The air filter materials used in this study include paper, sponge, cotton, and wire mesh, each having different porosity characteristics that are expected to influence the amount of air entering the combustion chamber and consequently affect engine performance. This research employed an experimental method with a quantitative approach. Torque and power tests were conducted using a dynamometer, while fuel consumption was measured based on the amount of fuel used at specific engine speeds. The data were collected through repeated tests and analyzed statistically to determine the effect of air filter material variations on the observed parameters. The results are expected to reveal differences in torque, power, and fuel consumption among the various air filter materials and to identify the most effective filter material for improving engine performance while maintaining fuel efficiency.
Pengaruh Variasi Jumlah Lubang Injektor terhadap Daya Torsi dan Konsumsi Bahan Bakar NMAX: Effect of Variable Number of Injector Holes on Torque Power and NMAX Fuel Consumption Pande Gede Oka Suarartawan; Nyoman Arya Wigraha; Kadek Rihendra Dantes; Edy Agus Juny Artha
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.119418

Abstract

This study aims to analyze the effect of variations in the number of injector holes on power, torque, and fuel consumption on Yamaha NMAX 155 CC motorcycles with Pertamax RON 92 fuel. The study used a quantitative experimental method with a variety of injectors of 4 holes, 6 holes (standard), 8 holes, and 10 holes. The test was carried out using dynotest to obtain engine performance data as well as fuel consumption measurements at various engine revolutions. The results showed that variations in the number of injector holes affected engine power, torque, and fuel consumption. An increase in the number of injector holes tends to increase engine power and torque, but on the other hand fuel consumption also tends to increase. Thus, variations in the number of injector holes have been proven to affect engine performance characteristics and fuel consumption, so the selection needs to be adjusted to the needs of the user, whether it prioritizes improving performance or fuel efficiency. Keywords: Hole injector, power, torque, fuel consumption, Yamaha NMAX 155 CC.
Pengaruh Variasi Temperatur Curing Terhadap Kekuatan Tarik Biokomposit Getah Damar Diperkuat Serbuk Kayu Jati: Effect of Curing Temperature Variation on the Tensile Strength of Damar Resin Biocomposites Reinforced with Teak Wood Powder Ngurah Putu Putra Adnyana; I Nyoman Pasek Nugraha; Kadek Rihendra Dantes; Kadek Sutrisna
Jurnal Pendidikan Teknik Mesin Undiksha Vol. 14 No. 2 (2026)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jptm.v14i2.120136

Abstract

This study aimed to analyze the effect of curing temperature variation on the tensile strength of dammar resin-based biocomposites reinforced with teak wood powder. The biocomposite consisted of 60% dammar resin as the matrix and 40% teak wood powder as the reinforcement. The curing temperatures were varied at 50°C, 100°C, and 150°C with a holding time of 1 hour. The specimens were fabricated according to the ASTM D3039 standard and tested using a Universal Testing Machine (UTM). The evaluated parameters included tensile strength, strain, elastic modulus, and fracture characteristics. The results showed that increasing the curing temperature improved the mechanical properties of the biocomposite. The average tensile strength at curing temperatures of 50°C, 100°C, and 150°C was 408.64 kPa, 507.37 kPa, and 534.80 kPa, respectively. The elastic modulus also increased from 31,153.33 kPa at 50°C to 429,003.33 kPa at 150°C. Fracture surface observations indicated that higher curing temperatures enhanced the interfacial bonding between the dammar resin matrix and teak wood powder, resulting in improved tensile performance. Therefore, a curing temperature of 150°C produced the best mechanical properties and is recommended as the optimum curing condition for dammar resin biocomposites reinforced with teak wood powder.

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