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Nozel : Jurnal Pendididikan Teknik Mesin
Published by Universitas Sebelas Maret
ISSN : -     EISSN : 2656713X     DOI : https://doi.org/10.20961/nozel
Core Subject :
NOZEL : Jurnal Pendidikan Teknik Mesin is a national forum for the publication and dissemination of original work which contributes to greater scientific understanding of the main disciplines underpinning the mechanical engineering and vocational education. This international journal is dedicated to the latest advancements in mechanical engineering and vocational education. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of mechanical engineering and vocational education. This journal is published in the online journal, which publishes research articles, reviews, and letters in all areas of mechanical engineering and vocational education. It is a blind peer-reviewed journal, aims to provide the most complete and reliable source of information on current developments in the field. The emphasis will be on publishing quality papers rapidly and available to researchers worldwide.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "vol 5, no 1 (2023)" : 7 Documents clear
PENYELARASAN KURIKULUM SMK KOMPETENSI KEAHLIAN TEKNIK KENDARAAN RINGAN OTOMOTIF DENGAN KOMPETENSI INDUSTRI Andhika Cahya Mahendra; Ranto Ranto; Towip Towip
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72281

Abstract

The development of this fast era makes competition to get a job to increase and become more difficult. In the current competition in the industrial world, it demands an increase in the quality of Human Resources through education. Vocational High School Education also prepares its graduates to go directly into the world of industry, but there are still limitations between the need for human resources in industry and the human resources produced by educational institutions. So therefore Curriculum development in Vocational High Schools is developed by prioritizing the needs of society, one of which is the need to be able to compete directly in industry. The aims of this research are: (1) To find out the alignment process between the SMK curriculum and industry. (2) Knowing how far the curriculum in SMK is aligned with the world of work in industry. (3) Knowing whether the SMK curriculum with industry is feasible.  The method used in the automotive concentration curriculum alignment activities at SMKs uses a qualitative approach with descriptive research. Data collection techniques using techniquespupose sampling. Data collection techniques in this study used data collection techniques in the form of interviews, documents, and observations. The research documents include the Merdeka Curriculum, K13 Curriculum, service books, vehicle inspection sheets, and the results of the FGD minutes. Data analysis techniques in this study used content analysis techniques (analysis content). The research locations were limited to 2 SMK, namely: SMKN 2 Surakarta and SMK Warga Surakarta and three industries, namely: Toyota Nasmoco Ringroad, Daihatsu Adi Sucipto, and Suzuki Pabelan (PT. Solo Indonesia Utama). The data obtained is then juxtaposed between the curriculum and competencies in the industry in tabular form so that it can be seen which curriculum and competencies are not aligned. The results of this study are: The curriculum between automotive engineering vocational schools and industrial competencies is aligned, this is evidenced by the existenceforum grub discussion (FGD) between the SMK and the automotive industry.
IMPLEMENTASI BLENDED LEARNING PADA KURIKULUM MERDEKA UNTUK MENINGKATKAN HASIL BELAJAR SISWA OTOMOTIF SMK NEGERI 5 SURAKARTA Sarman Sarman; Rasyid Sidik
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.71501

Abstract

The Mid Semester Score for the Fundamentals of the Automotive Engineering Program for students X TO_B for the odd semester of 2022/2023 is below the minimum mastery level. Students with scores below the minimum limit are 72.22%. Class Action Research is carried out to analyze student learning styles and present learning models that can improve student learning outcomes.The learning model presented in this study is blended learning. This research was conducted for 2 cycles, with a total of 4 face-to-face meetings. Each meeting has a focus on learning mechanical measuring instruments which are divided into caliper gauges, screw micrometers, dial indicators, and cylinder bore gauges. This research was attended by 34 students X TO_B Vocational High School 5 Surakarta in 2022/2023.The results of this study show that: 1) The blended learning model is effective in having a positive impact on increasing students' knowledge of X TO_B as evidenced by the results of the N-gain analysis; 2) The existence of innovative treatment in cycle 1 and cycle 2 learning related to optimizing the use of smartphone devices in learning, has proven to increase the effectiveness of learning by 3.24%; 3) The success of the blended learning model requires teacher control and student learning independence.
STUDI KESIAPAN MAGANG INDUSTRI (MI) MAHASISWA PROGRAM STUDI PENDIDIKAN TEKNIK MESIN FKIP UNS Ngatou Rohman; Herman Saputro
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72282

Abstract

The FKIP UNS Mechanical Engineering Education study program is one of the clusters in vocational education that produces vocational teacher candidates. To equip the competencies required to become a SMK teacher in the field of Mechanical Engineering and Automotive Engineering, it is necessary to gain experience in the industry. Industrial Internship is one of the subjects that must be taken by students of the Mechanical Engineering Education Study Program FKIP UNS as a graduation requirement. To examine the extent to which students carry out industrial apprenticeship programs in terms of the aspects of students and study programs, it is necessary to conduct research on the analysis of Industrial Internship readiness of students of the Mechanical Engineering Education Study Program FKIP UNS which can then be used as a basis for making policies regarding industrial apprenticeships. The design in this research is descriptive quantitative. The data collection technique was carried out in a survey using a questionnaire. The respondents in this study were all students of the Mechanical Engineering Education Study Program FKIP UNS class of 2020 or semester IV who will carry out the Industrial Internship program in 2022. The research data were analyzed descriptively with the help of the SPSS program. The results showed that 1) the readiness for industrial internships for students of the Mechanical Engineering Education Study Program FKIP UNS class of 2020 was 3.93 which was in the good category. 2) in providing industrial apprenticeship services for students, the Mechanical Engineering Education study program FKIP UNS makes an industrial apprentice manual and appoints an industrial apprentice coordinator.
PENGARUH PELAYANAN TERHADAP KEPUASAN KONSUMEN DI BENGKEL RASWO SOLO BARU Andrian Iswanto; Topik Pratama; Krisna Adhi Perdana; Ayu Vernanda; Khofifah Imania
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72283

Abstract

In order to improve the quality of service at Raswo's workshop, this study aims to determine customer satisfaction at Raswo's Solo Baru Workshop. Research is reviewed from the quality of service and services provided. This research was also conducted to identify other factors that influence the decline in customer satisfaction at Bengkel Raswo Solo Baru. To measure customer satisfaction, explanatory research or often called causal research is used. The population of this study were all customers of Raswo Solo Baru Workshop with a sample size of 30 customers with 24 questions on each questionnaire sheet. Based on the data results, it can be seen that service and service have a positive effect on customer satisfaction. This is indicated by the weighted Average Value (NRR) of 3.8567 from the range (1.00-4.00) and the value of the Community Satisfaction Index (IKM) resulting in a score of 96.418 from the range (25.00-100.00).
ANALISA PERBANDINGAN KNALPOT STANDAR DAN KNALPOT FREE FLOW TERHADAP PERFORMA MESIN 4 LANGKAH 155 CC Satrio Galuh Dewanto; Ranto Ranto; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72284

Abstract

Motor performance is one of the things that must be considered in motorized vehicles. Motor performance also influences the type of exhaust system, namely the muffler. Many people don't know how big the influence of the exhaust free flow on engine performance. In this study using Yamaha Nmax Old 2016. The aims of this study were: (1) To find out the difference in torque and power produced by a motorbike between the use of a standard NMAX 155 CC exhaust and a standard exhaust free flow. (2) Knowing the difference in fuel consumption produced by motorcycles between the use of a standard NMAX 155 CC exhaust and exhaust free flow. (3) Knowing the difference in exhaust emissions produced by motorbikes between the use of the standard NMAX 155 CC exhaust and the exhaust free flow. The research method used is experimental. The data for this study were obtained by measuring a sample of the Yamaha NMAX Old 2016 motorcycle. The independent variables were the standard exhaust and the exhaust free flow. The dependent variables are torque, power, fuel consumption and exhaust emissions. The data obtained were then analyzed using quantitative descriptive techniques by describing them in the form of graphs and tables. The results of this study are: (1) Use of Muffler free flow has a lower effect on the torque and power generated by the Yamaha NMAX Old 2016 motorcycle. (2) Use of Muffler free flow has a higher effect on fuel consumption produced by Yamaha NMAX Old 2016 motorbikes. (3) Use of Muffler free flow has an influence on increasing levels of exhaust emission content produced by Yamaha NMAX Old 2016 motorbikes.
ANALISIS SIFAT TERMAL KOMPOSIT LIMBAH MASKER BERPENGUAT SERAT BAMBU Hana Nadia Ekawardani; Indah Widiastuti; Yuyun Estriyanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72285

Abstract

This study aims to analyze differences in thermal properties, including thermal stability and the change in melting temperature (Tm) on variations in the mass fraction of fiber in mPP/bamboo fiber composite materials. Disposable face mask waste or mask polypropylene (mPP) is used as a polymer matrix and bamboo (Dendrocalamus asper) fiber as a composite reinforcement. The method used in this research is experimental. Variations in the mass fraction of bamboo fiber used were 0%, 4%, 8%, and 12%. Size of the bamboo fiber used is 5 mesh and has been treated with 5% NaOH alkali for 2 hours. The composite manufacture consists of two stages, namely the manufacture of mPP/bamboo fiber fragments by melting mask waste that has been mixed with bamboo fiber using an oven at 180°C for 2 hours. In the second stage, the mPP/bamboo fiber fragments were processed using an extruder machine with a processing temperature of 150°C and a screw speed of 25 rpm. Composite specimens measuring 2 x 2 x 2 mm with a weight of 1 to 10 mg were tested by TGA and DSC using a temperature of 25 to 900°C with a heating speed of 10°C/min in an oxygen atmosphere. The results of the thermogravimetry analysis (TGA) test showed that the neat mask polypropylene (mPP) without bamboo fiber reinforcement had the best thermal stability compared to other fiber mass fractions. The results of the differential scanning calorimetry (DSC) test showed that the mPP/0% bamboo fiber had the best melting temperature (Tm) at a temperature of 156.16˚C compared to other fiber mass fractions in the temperature range of 155°C to 156°C.
PIROLISIS CAMPURAN BIOMASSA LIMBAH AMPAS KOPI DAN LIMBAH PLASTIK POLYPROPYLENE Lutfi Ilunsa Zain; Danar Susilo Wijayanto; Taufik Wisnu Saputra
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72286

Abstract

The need for energy progressively increase, meanwhile fossil fuel reserves gradually decrease since it is nonrenewable resourses. Coffee grounds and polypropylene plastic waste can be used as alternative fuels. One of the ways to use coffee grounds and plastic waste as fuel is through the pyrolysis process. Pyrolysis is a chemical decomposition process of a material thermally in the absence of oxygen which converts RDF-4 into a liquid smoke product in the form of oil. The purpose of this study was to determine the effect of the comparison of the composition of the mixture of coffee grounds and polypropylene plastic waste on the quantity of pyrolysis oil. This study uses an experimental method with quantitative descriptive analysis techniques. This research was carried out by means of a pyrolysis process on RDF-4 a mixture of coffee grounds biomass waste and polypropylene plastic waste with various composition ratios of 0%:100%, 25%:75%, 50%:50%, 75%:25%, and 100%:0%. The pyrolysis oil is then filtered, for later testing the quantity. The test shows that there is an effect of variations in the ratio of the composition of the biomass mixture to the quantity of pyrolysis oil. RDF-4 from coffee grounds waste mixed with polypropyelene plastic waste produces a quantity that tends to decrease as the ratio of coffee grounds composition decreases. RDF-4 which is not mixed with coffee grounds or has a composition ratio of coffee grounds less than the composition ratio of polypropylene plastic waste produces pyrolysis oil with more quantity and quality that tends to be better than the ratio of other RDF-4 compositions. The quantity of pyrolysis oil produced ranged from 219.33 ml to. 1026.67 ml. RDF-4 from 100% polypropylene plastic waste produces pyrolysis oil with the highest quantity of 1026.67 ml with the highest pyrolysis temperature achieved 391°C at T1, 345.5 °C at T2, and 367.75 °C at T3.

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