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VANOS Journal of Mechanical Engineering Education
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Articles 178 Documents
IMPLEMENTATION OF PROJECT BASED LEARNING MODEL FOR IMPROVING STUDENTS LEARNING OUTCOMES OF ADVANCED MACHINING ENGINEERING IN UNIVERSITAS SARJANAWIYATA TAMANSISWA Setuju Setuju
VANOS Journal of Mechanical Engineering Education Vol 2, No 1 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (689.81 KB) | DOI: 10.30870/vanos.v2i1.1963

Abstract

This research was conducted to improve learning outcomes through project-based learning model in the course of advanced machining in the department of Mechanical Engineering Education. This research was motivated by the low students learning outcomes in the advanced machining course, whereas the results of the study subjects was the vital thing for the students who will have production expertise. The research method was Classroom Action Research (CAR) with Kemmis and Mc Taggart model, by pointing in cycle, and consists of four stages: planning, implementation, observation, and reflection. Subjects were student of Mechanical Engineering Education production option that follows the advanced machining course for academic year 2014/2015. Data were collected by instruments such as observation sheet during the action takes place, the observation sheet practical activities for learning outcomes. Data was analyzed using quantitative descriptive. Project Based Learning (PjBL) model can improve learning outcomes in affective and psychomotor abilities of students. The increase in affective reaches 9.41 and psychomotor abilities enhancement from the first cycle to the second cycle reaches 6.6.
TEACHING FACTORY ON IMPROVING STUDENT COMPETENCY IN BANTEN Zaenal Ambia; Sulaeman Deni Ramdani
VANOS Journal of Mechanical Engineering Education Vol 2, No 2 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.915 KB) | DOI: 10.30870/vanos.v2i2.2928

Abstract

SMK has an important role in the preparation of labor. SMK is required to always be able to follow the needs of the work world that continues to grow in accordance with the vision and mission objectives of SMK. This study aims to 1) to know the readiness of teaching factory implementation, 2) to identify problems of teaching factori application. This research uses quantitative descriptive. Source of data obtained from SMKN 2 Pandeglang, SMP Ypp Pandeglang, SMKN 7 Pandeglang, SMKN Agriculture Serang City, SMKN 1 Cikande, SMKN 1 Cilegon And Smkn 4 Serang City, the number of respondents amounted to 30 respondents. Data collection techniques using a questionnaire of 30 items. Technique of data analysis using quantitative descriptive statistic. Implementation of Teaching Factory Result to Student Competence Improvement, showed that 1) acquisition from aspect of readiness of human resource in aiming very good result / high with percentage 81%. Aspects of infrastructure facilities show excellent results / high percentage 79%, Aspects of cooperation readiness DU / DI percentage of 68% showed good results / high 2) Problems of teaching factory implementation can be explained. a) lack of restrictions on cooperation in schools with DU / DI b) still lack of tools and sarapa prakti from DU / DI. c) forms of cooperation undertaken not in accordance with school expectations.
GRAIN REFINEMENT TECHNIQUES TO REDUCE BIODEGRADATION RATE OF MAGNESIUM ALLOY AS A POTENTIAL BIODEGRADABLE IMPLANT MATERIAL: A REVIEW Nanang Qosim; Silmina Adzhani
VANOS Journal of Mechanical Engineering Education Vol 2, No 2 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.588 KB) | DOI: 10.30870/vanos.v2i2.2923

Abstract

As a lightweight metal with mechanical properties similar to natural bone, magnesium-based material has been gaining wide popularity. However, the applications are seriously limited due to the excessively rapid degradation rate in the physiological environment, causing the magnesium to degrade faster than the complete rehabilitation of the bone itself. Grain refinement approach is currently the selected approach to obtain a lower degradation rate without adding other element that might be harmful to human body. This paper studies the possibility of reducing biodegradation rate of a biodegradable through reviewing various studies on grain refinement through hot deformation and rapid solidification.
UPAYA MENINGKATKAN HASIL PRAKTIK PADA MATA PELAJARAN PEMESINAN MELALUI PENGGUNAAN WORK PREPARATION SHEET SISWA KELAS XI TPM 1 SMK PANCASILA SURAKARTA TAHUN PELAJARAN 2016/2017 Armansyah Armansyah; Herman Saputro; Ngatau Rohman
VANOS Journal of Mechanical Engineering Education Vol 2, No 1 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (649.099 KB) | DOI: 10.30870/vanos.v2i1.1969

Abstract

Tujuan penelitian ini adalah untuk meningkatkan hasil belajar praktik pada mata pelajaran praktik pemesinan siswa kelas XI TPM 1 SMK Pancasila Surakarta tahun pelajaran 2016/2017. Upaya yang dilakukan adalah dengan menerapkan penggunaan Work Preparation Sheet oleh siswa. Bentuk penelitian ini adalah Penelitian Tindakan Kelas. Penelitian ini dilaksanakan dalam dua siklus dengan setiap siklus terdiri dari empat tahapan, yaitu: (1) Perencanaan; (2) Pelaksanaan Tindakan (3) Penilaian; dan (4) Refleksi. Subjek dari penelitian ini adalah seluruh siswa kelas TPM 1 SMK Pancasila Surakarta tahun pelajaran 2016/2017 sebanyak 27 siswa. Penelitian ini dilaksanakan dengan kolaborasi antara guru, peneliti, observer, dan partisipasi siswa. Teknik pengumpulan data menggunakan observasi, dokumentasi, wawancara, tes. Validitas instrument dengan menggunakan validitas expert judgement. Analisis data menggunakan teknik analisis deskriptif komperatif. Hasil penelitian menunjukkan bahwa dengan penggunaan work preparation sheet dapat meningkatkan hasil praktik mesin bubut. Pada siklus I persentase ketercapaian hasil pengamatan praktik pemesinan 59,25% dengan nilai rata-rata hasil pengamatan praktik siswa sebesar 76,62 meningkat sebesar 81,48% dengan nilai rata-rata 82,37 pada siklus II. Sedangkan hasil evaluasi praktik pemesinan dengan persentase 62,96% dengan nilai rata-rata hasil evaluasi praktik siswa sebesar 73,51 meningkat sebesar 85,18% dengan nilai rata-rata 78,8 pada siklus II.
PENGARUH VARIASI PENAMBAHAN FIN TERHADAP CUT IN SPEED TURBIN ANGIN SAVONIUS TIPE S Stephanus Fajar Pamungkas; Danar Susilo Wijayanto; Herman Saputro
VANOS Journal of Mechanical Engineering Education Vol 2, No 1 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (845.077 KB) | DOI: 10.30870/vanos.v2i1.1964

Abstract

Indonesia mempunyai potensi energi angin sangat besar mencapai sekitar 950 MW, namun pemanfaatannya belum optimal. Indonesia memiliki kecepatan angin rata-rata yang tergolong rendah, yakni 3,0 s.d. 5,0 m/s.  Kecepatan angin rendah sangat cocok dimanfaatkan untuk pembuatan turbin angin vertikal jenis Savonius. Penelitian ini menggunakan turbin angin Savonius tipe S dengan variasi penambahan fin. Fin digunakan sebagai pengarah angin agar angin lebih fokus dan cepat mengisi ruang dalam sudu. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan fin terhadap cut in speed. Turbin angin Savonius ini mempunyai 2 sudu, diameter rotor 1,1 m dan tinggi rotor 1,4 m, menggunakan sistem transmisi pulley dengan rasio 1:4,2 dan menggunakan generator tipe PMG 200 W. Metode penelitian yang digunakan adalah metode eksperimen. Pengumpulan data dilakukan dengan cara pengukuran kecepatan angin dan kecepatan putaran. Analisis data menggunakan teknik analisis deskriptif kuantitatif dengan pendekatan komparatif. Hasil penelitian menunjukkan bahwa turbin angin Savonius dengan penambahan fin dapat meningkatkan kemampuan cut in speed. Semakin banyak jumlah fin pada sudu akan meningkatkan kemampuan cut in speed. Variasi penambahan 4 fin mempercepat kemampuan cut in speed pada kecepatan 1,8 m/s. Dengan mengetahui pengaruh bentuk rotor, dimensi rotor, penambahan fin bisa didapatkan alternatif untuk meningkatkan kemampuan cut in speed turbin angin Savonius. 
DEVELOPMENT OF CLASS-BASED COGNITIVE ASSESSMENT INSTRUMENT ACCORDING TO CURRICULUM 2013 ON TECHNICAL DRAWING SUBJECTS IN VOCATIONAL SCHOOL Ita Novita Sari; Sulaeman Deni Ramdani
VANOS Journal of Mechanical Engineering Education Vol 2, No 2 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (394.347 KB) | DOI: 10.30870/vanos.v2i2.2930

Abstract

The 2013 curriculum uses a classroom-based assessment. The curriculum contains various supporters, one of which is an assessment. Assessment by teachers is used to measure the achievement of learning objectives. But in the real world, a teacher has difficulty in developing assessment planning, assessment implementation, and processing of assessment result, and teacher has not analyzed comprehensively about validity and reliability in question, and analysis of evaluation instrument conducted by the teacher is only limited to analyze difficulty level. Thus, the problem that is made to know the cognitive level of students has not known the quality. The objectives of this study were (1) to know the reliability of cognitive assessment instruments developed, (2) to know the level of difficulty, (3) to know the differentiating power, and (4) to know the effectiveness of the cultivators. The method used in this research is research and development (R & D) developed by Borg & Gall. Data analysis technique that is done is instrument validation test with construct validity through judgment expert, reliability test using ITEMAN with formula CR-20. This study resulted in (1) the reliability of the question items of 0.740, (2) the degree of difficulty there are three levels, namely difficult 23%, medium 70%, and easy 7%, (3) distinguishing power on the grain matter analysis resulted in 20%, 7% of the questions are sufficient, 60% is good, and 13% are very good, and (4) the effectiveness of the deception is 82% working and 18% not working.
ELECTRONIC SPARK ADVANCE IGNITION SYSTEM SIMULATOR AS INSTRUCTIONAL MEDIA FOR ASSISTING ELECTRICAL PRACTICES ON AUTOMOTIVE FIELD Tafakur Tafakur; Moch Solikin
VANOS Journal of Mechanical Engineering Education Vol 3, No 1 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (383.742 KB) | DOI: 10.30870/vanos.v3i1.3377

Abstract

This paper discusses the development of simulators as instructional media for learning Electronic Spark Advance System in vehicle technology and its advisability. Simulators were developed to assist students in learning the skills and practical knowledge of the electronic ignition system in vehicle engine. The simulator was developed by applying 10 development stages. Development stages included: analyzing the problems, needs analysis, product design, design implementation, expert assessment, limited testing (small classes), product revisions, large usage / class testing, product revisions, and get suitable product. The development result was a replica of ESA system separated from vehicle system. The ignition system components were arranged on the acrylic board, so it can be used by the students safely and easily for: (1) identifying components, (2) inspect components, (3) inspect ignition circuit, (4) conducting ignition system adjusting, and (5)simulating ignition system.  Based on the material and learning media aspects with the results of limited trials as well as usage trials show that the developed ESA's electronic ignition system simulator was suitable to use, so it can help students to learn and practice skills related to maintenance jobs and repair ESA's electronic ignition system more easily.
BLENDED LEARNING WITH FLIPPED CLASSROOM TYPE FOR ENHANCING QUALITY OF LEARNING IN VOCATIONAL HIGH SCHOOL: A REVIEW Basori Basori
VANOS Journal of Mechanical Engineering Education Vol 3, No 1 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.176 KB) | DOI: 10.30870/vanos.v3i1.3225

Abstract

Learning in the current disruption era requires a model that can integrate information technology in learning in VHS. This review aims to examine the flipped classroom learning model that is rapidly evolving today. The method was a literature review. The review was conducted on 30 articles in reputable journals. The results show that: (1) The flipped classroom is learning model by face-to-face and online meeting. (2) The flipped classroom is very applicable in vocational education because it accommodates the student activities needed in the vocational world. (3) Flipped classroom procedure: Introduction by providing materials at the online action, then do face-to-face meeting by forming groups, afterward make group assigned tasks, then activate group by discussing works, finally, the group presenting assignments in class. (4) Flipped classroom weakness: the teacher can not control student activity, the readiness of teacher and student, limited the technology
UNDERSTANDING SMK TEACHER IN CURRICULUM IMPLEMENTATION 2013 REVISION 2017 IN BANTEN PROVINCE Sulaeman Deni Ramdani; Angga Pangestu
VANOS Journal of Mechanical Engineering Education Vol 3, No 1 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v3i1.3690

Abstract

 This study aims to find out how much understanding of SMK teachers in the implementation of the 2013 revision curriculum 2017. Curriculum issues 2013 revision 2017 is the preparation of Learning Implementation Plan (RPP), learning activities and implementation of assessment. Understanding teachers less will have an impact in the learning process because the learning itself is a reference curriculum in the delivery of material, so that the learning process does not work properly. The government's strategy to prepare teachers in the implementation of the 2013 curriculum of 2017 revision from socialization, training, mentoring and evaluation has been implemented, so that the new curriculum is going well. This research is descriptive qualitative research. The method used is descriptive. The subjects of this study were teachers of SMKN 1 Cikande, SMKN 2 Serang City, SMKN 1 Cilegon City and SMKN 2 Pandeglang City. Data collection techniques used were questionnaires and interviews. Based on the results of the researchers do with data collection techniques and interviews using eight indicators 1) syllabus, 2) details of the effective week, 3) annual programming, 4) semester program, 5) core competence / basic competency 6) learning implementation plan, 7) academic calendar and 8) evaluation tools conclude that SMK teachers in Banten have an understanding of the 2017 revision curriculum in 2017 including the good category with the percentage of 80%. The results of the understanding of the 2013 revised curriculum 2017 in Banten Province is the lack of monitoring and training conducted by the government and the school, so that teachers do not all understand and implement the curriculum.
MICROSTRUCTURAL AND MECHANICAL PROPERTIES AL 6061 PROCESSED BY COLD ROLLING AND AGING Ahmad Ali Alhamidi; Mirnawati Dewi
VANOS Journal of Mechanical Engineering Education Vol 3, No 1 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1198.414 KB) | DOI: 10.30870/vanos.v3i1.3686

Abstract

An Alumunium alloy 6061was produced by cold rolling and subsequently aging. Cold rolling is used for reducing grain size and aging is used for producing second-phase, thus improving hardness, strength and wear resistance. In the present paper, a process through cold rolling with reduction of 50%, 60% and 70% in thickness then aged at 2000C for 1.800, 3.600, 5.400, 7.200 and 10.800 sec. Microstructural analysis shows that the grain morphology consists of equaxied grain for as-received samples and elongated grain for sample after cold roll and aging. X-Ray Diffraction (XRD) analysis showed peaks phases in Al 6061 after cold rolled and aging. Hardness measurements showed that combination between small grain size and presence of second-phase led to a significant increase in the hardness. Maximum hardness of 121 HBN is achieve for sample after cold roll 70% and aged for 5400 second. The wear resistance testing showed that lost particles of 6,209951 x 10-6 mm3/mm for received sample and 4,775436 x 10-6 mm3/mm for sample after aging process. It is showed that high hardness related to increase the wear resistance. It is reasonable that the presence of second phases are function as obstacle for dislocation movement. 

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