Nozel : Jurnal Pendididikan Teknik Mesin
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.
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<![CDATA[HUBUNGAN KETERLIBATAN ORANG TUA DAN MOTIVASI BELAJAR DENGAN PRESTASI BELAJAR MATA PELAJARAN PRODUKTIF SISWA KELAS X KOMPETENSI KEAHLIAN TEKNIK KENDARAAN RINGAN SMK BHINNEKA KARYA SURAKARTA TAHUN PELAJARAN 2015/2016 ]]>
<![CDATA[Rani Fidiyana]]>; Ranto Ranto; Basori Basori
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42455
<![CDATA[Penelitian ini bertujuan untuk mengetahui : (1) adanya keterlibatan orang tua berpengaruh terhadap prestasi belajar mata pelajaran produktif siswa kelas X SMK Bhineka Karya Surakarta Program Keahlian Teknik Kendaraan Ringan (2) Pengaruh motovasi belajar terhadap prestasi belajar mata pelajaran produktif siswa kelas X SMK Bhineka Karya Surakarta Kompetensi Keahlian Teknik Kendaraan Ringan serta silmutan prestasi belajar terhadap keterlibatan orangtua dan motivasi belajar siswa. Penelitian dilakukan dengan menggunakan penelitian korelasi. Populasi yang digunakan adalah seluruh siswa X SMK Bhineka Karya Surakarta Kompetensi Keahlian Teknik Kendaraan Ringan dengan jumlah 109 siswa. Pengujian penelitian ini menggunakan variabel yang terdiri dari 2 variable bebas yakni pengaruh keterlibatan orang tua dan besarnya motivasi belajar, serta 1 variabel terikat yakni grafik prestasi belajar produktif. Penyebaran angket dan kemudian didokumentasikan merupakan metode pengumpulan data yang digunakan. Penelitian ini menunjukkan hasil bahwa (1) terdapat hubungan yang positif dengan signifikan pada pengaruh keterlibatan orangtua terhadap prestasi belajar mata pelajaran produktif siswa kelas X SMK Bhineka Karya Surakarta Kompetensi Keahlian Teknik Kendaraan Ringan (r hitung> r tabelatau 0,240 > 0,212 pada taraf signifikansi 5%), (2) Adanya hubungan yang positif dengan signifikan pada motivasi belajar terhadap prestasi belajar mata pelajaran produktif siswa kelas X SMK Bhineka Karya Surakarta Kompetensi Keahlian Teknik Kendaraan Ringan (r hitung > r tabel atau 0,219 > 0,212 pada taraf signifikansi 5%), (3) Pengaruh hubungan positif yang signifikan pada keterlibatan orang tua dengan motovasi belajar yang terjadi secara simultan prestasi belajar mata pelajarn produktif siswa kelas X SMK Bhineka Karya Surakarta Kompetensi Keahlian Teknik Kendaraan Ringan (Ry = 0,342 dengan F hitung > F tabel atau 5,501 > 3,11 pada taraf signifikansi 5%), dapat ditarik hipotesis bahwa yang dikemukakan terbukti kebenarannya.]]>
<![CDATA[UPAYA MENINGKATKAN MOTIVASI DAN PRESTASI BELAJAR MENGGUNAKAN MODEL NUMBERED HEADS TOGETHER (NHT) PADA SISWA KELAS XI TKR 4 SMK GANESHA TAMA BOYOLALI ]]>
<![CDATA[Satrio Khabib]]>; Suharno Suharno; Ngatou Rohman
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42452
<![CDATA[The objectives of this research are to improve: (1) the learning motivation in the Vocational Competency subject matter through the Numbered Heads Together (NHT) learning model; and (2) the learning achievement in the Vocational Competency subject matter through the Numbered Heads Together (NHT) learning model.This research used the classroom action research with two cycles. Each cycle consisted of three meeting. Each meeting lasted for 2 x 45 minutes. Its subjects were the students as many as 33 in Grade XI-Light Vehicle Engineering Program 4 of Ganesha Tama Vocational High School of Boyolali. The research was collaborative in nature among the researcher, subject matter teacher, observer, and students. It began with simulation on the subject matter teacher. The data of research were collected through observation, test, questionnaire, and documentation. The procedure of research included the following stages: (1) action planning, (2) action implementations, (3) observation and interpretation, and (4) analysis and reflection. The result of research shows that there is an improvement of learning motivation and achievement in the Vocational Competency subject matter in terms of process and product through the application of the NHT learning model. In cycle I the learning motivation was 73.61%, and it became 77.30% in cycle II. Moreover, the number of the students who gained improvement in the learning achievement was 22 (66.67%) in cycle I, and 27 (82.00%) in cycle II.]]>
<![CDATA[PENGARUH EMISI GAS BUANG SEPEDA MOTOR 4 TAK PADA HYDROGEN ECO BOOSTER TERHADAP PENGGUNAAN TIPE ELEKTROLISER DAN JENIS LARUTAN ]]>
<![CDATA[Abdul ‘Aziz Manggala Saputra]]>;
<![CDATA[Ranto Ranto]]>;
<![CDATA[Basori Basori]]>
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.46917
<![CDATA[The purpose of this research are: (1) Investigate the influence of the type of electrolyzer on Hydrogen Eco Booster towards the level of exhaust emissions (CO and HC) 4 stroke motorcycle. (2) Investigate the influence of the kind of solvent on Hydrogen Eco Booster towards the level of exhaust emissions (CO and HC) 4 stroke motorcycle. (3) Investigate the influence of the type of electrolyzer and the kind of solvent on Hydrogen Eco Booster towards the level of exhaust emissions (CO and HC) 4 stroke motorcycle. This research was conducted at the Automotive Laboratory of Mechanical Engineering Education, Teacher Training and Education Faculty Sebelas Maret University of Surakarta used a Honda Supra X 125 motorcycle, year of manufacture 2013. This study is an experimental research. The method of collecting data used in the research is measurement method. The data obtained from the test results were analyzed using Two-Way Anova Test and followed by One-Sample T Test and Scheffe Test. The results of this research are: (1) There is a significance effect on the type of electrolyzer on Hydrogen Eco Booster towards to decrease the level of exhaust emissions (CO and HC) 4 stroke motorcycle, (Sig-value of CO gas=0.001 < α=0.05) and (Sig-value of HC gas=0.000 < α=0.05). (2) There is a significance effect on the kind of solvent on the Hydrogen Eco Booster towards to decrease the level of exhaust emissions (CO and HC) 4 stroke motorcycle, (Sig-value of CO gas=0.000 < α=0.05) and (Sig-value of HC gas=0.000 < α=0.05). (3) There is a significance effect interaction between the type of electrolyzer and the kind of solvent on the Hydrogen Eco Booster towards to decrease the level of exhaust emissions (CO and HC) 4 stroke motorcycle, (Sig-value of CO gas=0.000 < α=0.05) and (Sig-value of HC gas=0.000 < α=0.05). The lowest CO gas obtained on the Wet Cell type using the kind of solvent KOH with a decrease of 84.41%. The lowest HC gas obtained on the Dry Cell type using the kind of solvent NaOH with a decrease of 69.62%. ]]>
<![CDATA[KUALITAS REPAIR WELDING MENGGUNAKAN METODE PENGELASAN TIG DENGAN PERLAKUAN PREHEATING DAN POST WELD HEAT TREATMENT PADA CAST WHEEL ALUMINIUM ]]>
<![CDATA[Dewi Rima Ratri Siwi]]>; Budi Harjanto; Nyenyep Sriwardani
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42453
<![CDATA[The Purpose of this research are to know chemical composition, find micro structure, find impact strength, find speciment’s hardeness level on allumminium cast wheel before and after Tungsten Inert Gas welding. The speciment on this research is aluminum cast wheel or aluminum velg. The data analysis on this research is a comparative descriptive method, that the observation result is analyzed by description. And then compare the observation result between the data before TIG welding or before conducted preheating and PWHT. The parameter of analyze data are included: the testing of chemical composition, microstructure, hardness and impact. Based on the result of this research, it can be concluded that the cast wheel material is aluminum type cast alloy AA.445.2 which has non-heat treatable characteristic. The research results show that the microstructure of Al grain in the HAZ region fused with primary aluminum (α-Al) and grain Si alloy formed between the primary α-Al. The impact strength value on the welded speciment is higher than impact strength value before welding those are 0.0616 J/mm2 and 0.0384 J/mm2. Hardeness level on the speciment before welding processes is 103,381 VHN. The number is higher than after on the welding area, the hardeness level is lower too that is 44,051 VHN, whereas the hardeness level an the HAZ is a 37,943 VHN and 35,465 VHN on the base material.]]>
<![CDATA[HUBUNGAN PRESTASI BELAJAR PENGAJARAN MIKRO DAN PROGRAM PENGALAMAN LAPANGAN DENGAN KESIAPAN MENJADI GURU PADA MAHASISWA PROGRAM STUDI PENDIDIKAN TEKNIK MESIN ]]>
<![CDATA[Hafiidhiya Janata Areisy]]>;
<![CDATA[Muhammad Akhyar]]>;
<![CDATA[Husin Bugis]]>
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.46913
<![CDATA[This aims of this research are to determine the relationship of student micro teaching-learning achievement with student readiness to be a teacher. An educational internship experience is essential to be analyzed as being a teacher. The study population was 69 active students. Fifty-eight students taken as samples were determined by simple random sampling technique. The documentation method is used to analyze micro teaching and PPL learning achievement variables. The variable readiness to become a teacher is obtained through the questionnaire method. Various tests were carried out with the help of the SPSS Version 21.0 program. Normality tests, linearity tests, and multicollinearity tests were carried out as test prerequisites. The data analysis technique uses partial correlation and multiple linear regression with a significance level of analysis of 5%. The results of the study show that the student learning achievement of microteaching on the readiness to be a teacher has a positive and significant relationship. Student Internship experience influences the readiness to be a teacher. The learning achievement of microteaching and Student Internship experience is considered to make big effect for being a teacher. Keywords: Learning achievement in Microteaching, learning achievement in Field Experience Program, preparedness to become teachers]]>
<![CDATA[ANALISIS PERFORMA BOILER ALSTOM BERDASARKAN RASIO ANTARA BAHAN BAKAR DAN STEAM DI PT. INDO ACIDATAMA Tbk. ]]>
<![CDATA[Arief Suryo Wibowo]]>;
<![CDATA[Danar Susilo Wijayanto]]>;
<![CDATA[Nugroho Agung Pambudi]]>
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42457
<![CDATA[This research aim to Investigate Alstom boiler performance based on the ratio between fuel consumption and steam production. This reasearch uses quantitative descriptive method. The Population in this research is an Alstom boiler. The sample in this research is daily record data Alstom boiler during one year (February 2015 untill January 2016). Data obtained from the research, were analyzed and entered to the table and displayed in graphical form. There are two indicators in this research: ratio that was gotten from comparation between fuel consumtion and steam production and energetic efficiency of Alstom boiler. Based on the research result can be summed up that Alstom boiler in excellent performance, because the ratio shown 133,59 kg coal / ton of steam is lower than the company target 140 kg coal / of steam, and energetic analysis of Alstom boiler 83,29% was higher than the company target 80%.]]>
<![CDATA[PENGEMBANGAN MODUL MATA KULIAH PRAKTIK LAS DAN TEMPA LANJUT DI PROGRAM STUDI PENDIDIKAN TEKNIK MESIN FKIP UNIVERSITAS SEBELAS MARET SURAKARTA ]]>
<![CDATA[Rahman Sidik Pamungkas]]>; Suharno Suharno; Husin Bugis
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42451
<![CDATA[The purpose of this research is to increase the independence and effectiveness in learning, to develop learning modules in the course welding practice and further metal handiwork in Mechanical Engineering Education Program of Teacher Traning and Education Science Faculty of Sebelas Maret University Surakarta. This research is Research and Development. The research has conducted with several stages, starting from the potential and problems, data collection, product design, design validation, design revisions, the initial product, product revision and final product. Subjects were expert assessment of the product, namely instructional media lecturer, welding practice and further metal handiwork lecturer, and students. The type of data used is qualitative data. Data collection techniques using instruments in the form of sheets of interviews and questionnaires. Analysis of data using questionnaire analysis and feasibility analysis of advanced welding modules. Based on the research results, the feasibility of advanced welding module in the first phase of matter experts obtained 81.61% and from 77.78% obtained by media experts, with the criteria very well. Assessment on the second phase of matter experts gained 87.5% and 88.194% earned media expert with the criteria very well. Questionnaire responses percentage of students obtained an average score of 83.27% with the criteria very well. Thus, advanced welding module on manufacture of swing educational materials viable for use in learning.]]>
<![CDATA[PENGARUH VARIASI PENAMBAHAN BUBUK CAMPHOR KE DALAM BAHAN BAKAR PERTALITE DAN PEMAKAIAN BUSI IRIDIUM TERHADAP TORSI DAN DAYA SEPEDA MOTOR YAMAHA VIXION ]]>
<![CDATA[Dharmawan Adi Saputro]]>;
<![CDATA[Ranto Ranto]]>;
<![CDATA[Ngatou Rohman]]>
<![CDATA[ Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 3 (2019) ]]>
Publisher : <![CDATA[Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta ]]>
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DOI: 10.20961/nozel.v2i3.42456
<![CDATA[The purpose of this study were: (1) to know the effect of adding various variations of camphor powder in pertalite to the moment of torque and power of the 2010 Yamaha Vixion, (2) to determine the effect of using iridium spark plugs on the torque moment and power of the 2010 Yamaha Vixion; and (3) investigate the effect of adding various variations of camphor powder in pertalite and the use of irridium spark plugs to the torque moment and power of the Yamaha Vixion 2010. This study uses a Yamaha Vixion 2010 motorbike with police number AD 2057 BO, and framework number MH33C1005CK959299 This study uses an experimental method design. These data are analyzed by descriptive statistics which means describing the data collected only in the way it is. The results of the study are as follows: (1) There is the effect of adding various camphor powder to pertalite fuel on increasing maximum torque and power in a combination of 1 gram / liter pertalite and camphor powder, (2) There is the effect of using torque and power iridium spark plugs lower than using standard plugs, (3) There is the effect of adding various camphor powder in pertalite fuel and iridium plugs used are a decrease in torque and power in all treatments.]]>
