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All Journal Nozel : Jurnal Pendididikan Teknik Mesin
Taufik Wisnu Saputra
Mechanical Engineering Education Faculty of Teacher Training and Education Sebelas Maret University

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Analisis Potensi Angin di Kecamatan Mojolaban Berbasi Internet of Things (IoT) Jevri Ardianto; Taufik Wisnu Saputra; Danar Susilo Wijayanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 7, No 1 (2025)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v7i1.77035

Abstract

This research aims to (1) measure the IoT-based wind potential using wind speed and direction data collected through microcontrollers at heights of 6, 8, 10, and 12 meters; (2) determine the wind potential based on wind speed and direction in Mojolaban Sub-district; and (3) identify suitable wind turbine recommendations that align with the measurement area's conditions. The research was conducted using an experimental method. The data sources for this study include wind speed and direction measured using IoT-based microcontrollers. Purposive sampling was used for sample collection. The instruments used for data collection include anemometers for measuring wind speed and wind vanes for determining wind direction. Validation techniques involved using anemometers and compasses. The data analysis was performed using descriptive quantitative analysis. The research results indicate that the highest average wind speed occurs at a height of 12 meters. Mojolaban Sub-district has an average wind speed of 0.75 m/s, with the dominant wind direction from the north, and a maximum speed of 3.43 m/s. The wind potential in that area is not sufficiently high to be effectively utilized as a significant wind energy source due to its low level and insufficient magnitude. Vertical Savonius wind turbines are a suitable choice for harnessing low wind speeds in Mojolaban Sub-district.
ANALISIS CRITICAL THINKING SKILLS SISWA KELAS IX TEKNIK PEMESINAN SMKN 1 GOMBONG PADA PEMBELAJARAN TEKNIK BUBUT BERDASARKAN WATSON-GLASER CRITICAL THINKING APPRAISAL Damar Prihantoro; Taufik Wisnu Saputra
Nozel : Jurnal Pendididikan Teknik Mesin Vol 7, No 2 (2025)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v7i2.91186

Abstract

Critical Thinking Skills (CTS) is a fundamental ability that every student must have. In the modern era of 21st century learning, students are required to have broad understanding, creativity, the ability to solve problems, a nd ways of thinking from various points of view. This research is research on critical thinking skills in Vocational High School students. The instrument used is The Watson-Glaser Critical Thinking Appraisal (WGCTA) where the focus of measurement includes 5 indicators, namely argumentation ability, assumption ability, deduction ability, interpretation ability and conclusion drawing ability. This research uses quantitative methods because the data used are the results of pure test scores. This research was conducted on class 11 students of the Machining Engineering study program at State Vocational Hight School 1 Gombong. Critical thinking skills (CTS) measurement focuses on learning lathe machining techniques. The research results showed that 52.77% of students had very high critical thinking skills (CTS) abilities or classification A. Meanwhile, 2.78% of students had low abilities or classification D. Students' highest abilities are dominated by indicators of drawing conclusions. Meanwhile, the highest average score for classification A is 87.37 and the lowest for classification D is 62. Overall the critical thinking skills of the 5 WGCTA indicators in class 11 students of the machining engineering study program at State Vocational Hight School 1 Gombong have classification A.
ANALISIS PENTINGNYA KESADARAN KESELAMATAN DAN KESEHATAN KERJA (K3) DI PERUSAHAAN TEKSTIL Rizky Bagus Setyajj; Danar Susilo Wijayanto; Taufik Wisnu Saputra
Nozel : Jurnal Pendididikan Teknik Mesin Vol 6, No 3 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v6i3.77211

Abstract

Low company and employee awareness of occupational safety and health (K3) can have a crucial impact in the form of work-related accidents and occupational diseases. The purpose of this study was to determine the level of OSH awareness by employees at Textile Company, knows the impact of the attitude of employees who ignore the important of K3 awareness, and knows the efforts of the company and employees in preventing work accident. This research is a qualitative research with a case study approach. The data sources for this research were obtained directly from employee work activities, interviews with section heads, shift heads, office staff, 4 employees and documents in the form of employess attendance data, company administration data, machine data, equipment data, materials data, and accident health data. Work, the sampling technique was carried out by means of purposive sampling. Meanwhile, data collection was carried out using interview techniques, observation and document study. The data analysis technique used is source triangulation and methode triangulation. The data analysis technique used is the interactive data analysis model of Miles and Huberman which consist of data reduction stages, presenting data, and making conclusions. Furthermore, the results of the study show that the level of employee awareness of occupational safety and health is seen from several aspects, namely the use machine, tools, materials, and working environment conditions, work methods, work position, and employee lifting loads, interpersonal relationship, roles and responsibilities towards work, as well as hygiene facilities that are clean and healthy. The impact of the low level of company and employee awareness of K3 can cause work-related accidents and occupational diseases which are divide into 3 causal factors, namely technical factors, non-technical factors, and natural factors. Efforts made by companies and employees in preventing work accident are efforts to prevent work accidents using hazard control in workplace, prevention efforts through guidance and supervision, and prevention efforts through management systems.
PENGEMBANGAN PERANGKAT PEMBELAJARAN KOMPETENSI CNC PLASMA CUTTING DI PRODI PENDIDIKAN TEKNIK MESIN Muhammad Fikri Haikal Aida Rafiq; Yuyun Estriyanto; Taufik Wisnu Saputra
Nozel : Jurnal Pendididikan Teknik Mesin Vol 7, No 1 (2025)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v7i1.90112

Abstract

The CNC Plasma Cutting course is an elective course for mechanical engineering education students who have an interest in deepening their knowledge in welding and cutting using machines with computer technology. The CNC Plasma Cutting practical learning that is currently being carried out is considered not optimal, because the product produced is only a sample. The aim of this research is to: Develop learning tools using practicum modules to meet the learning needs of the CNC Plasma Cutting course in the PTM FKIP UNS Study Program. The method used in this research is development using the ADDIE (Analysis-Design-Develop-Implement-Evaluate) model. The data source comes from students. This development research uses questionnaire data collection techniques. A questionnaire is a written data collection technique. This data collection was carried out to analyze needs and the module evaluation stage. The data obtained from this questionnaire is used as a reference for improving the practicum module being developed. The data analysis technique used is explained as follows. The quantitative data analysis technique in the CNC Plasma Cutting practicum module that was developed was obtained from student assessments. The questionnaire given to students was a closed questionnaire using a Likert scale. The Likert scale is used to measure students' opinions or assessments. Based on the results of the research that has been carried out, it can be concluded that the development of a CNC Plasma Cutting practicum module is very necessary to improve the quality of student learning. The needs analysis shows that this module provides clear structure and guidance, makes it easier for students to take part in practicums, and provides references that can be accessed at any time. The project-based learning method used in this module has succeeded in improving students' practical skills through real projects.
Co-Authors Damar Prihantoro Danar Susilo Wijayanto Jevri Ardianto Muhammad Fikri Haikal Aida Rafiq Rizky Bagus Setyajj Yuyun Estriyanto