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Jurnal Nosel
Published by Universitas Sebelas Maret
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Engineering,
Education Mechanical Engineering
Arjuna Subject : -
Articles 214 Documents
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PENGARUH VARIASI LOBE SEPARATION ANGLE CAMSHAFT DAN VARIASI PUTARAN MESIN TERHADAP DAYA PADA SEPEDA MOTOR HONDA SUPRA X 125 TAHUN 2008 Siswanto, Yoyok Drajat
Jurnal Nosel Vol 1, No 1 (2012): July
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Abstract

This paper presents an experimental investigation of effect of variety lobe separation angle camshaft  to engine power. Lobe separation angle (LSA) camshaft variation used is LSA standart camshaft (104o), LSA widened camshaft (107o), and LSA narrowed camshaft (101o). Camshaft of Honda Supra X 125 is used for this research. This research at some speed of engine, these are 4000, 4500, 5000, 5500, 6000, 6500, 7000, 7500, 8000, 8500, 9000 and 9500 rpm.  Based on the data analysis it may be concluded  that the change of LSA narrowed camshaft (101o) produces a maximum power of increase. While the change of LSA widened camshaft (107o) produces a maximum power of decreases. LSA narrowed camshaft which impact on engine speed 4000 rpm ? 5500 rpm generated power falls below the standard camshaft, while the engine speed above 6000 rpm increased power over standard camshaft. Differences that occur in this research is a positive effect because the engine power can be increased on a lap top.
KEEFEKTIFAN PELAKSANAAN UJIAN SEMESTER GASAL DENGAN SISTIM BERGILIR KELAS XI JURUSAN OTOMOTIF SMK YAYASAN PENDIDIKAN (YP) DELANGGU Pratamawati, Lucyana
Jurnal Nosel Vol 3, No 3 (2015): January
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Abstract

The goal of this research is to get the view of (1) the effectiveness of odd semester exam  with rotating system in preparation aspect, (2) the effectiveness of odd semester exam  with rotating system in performing aspect, (3) the effectiveness of  odd semester exam  with rotating system in student?s assessment aspect, (4) Student?s studying motivation in attending odd semester exam  with rotating system, (5) Student?s studying achievement in odd semester exam  with rotating system on technique vocational subject. This research was held in SMK Yayasan Pendidikan (YP) Delanggu. This research was evaluative research type by using descriptive research method. The population of this research was 113 students from 4 classes. The technique for taking sample used proportional random sampling while for determining the sample size used Nomogram Harry King. The technique for collecting variable data of the effectiveness of intermittent used questionnaire technique and interview. Whereas in student?s studying achievement variable used documentation technique. Validation test was done with correlation product moment technique for Pearson while reliability test was done with Cronbach Alpha. The results of this research show that; (1) the effectiveness of odd semester exam  with rotating system in preparation aspect is classified as good; (2) the effectiveness of odd semester exam  with rotating system in performing aspect is classified as good; (3) the effectiveness of odd semester exam  with rotating system in student?s assessment aspect is classified as good; (4) Students? studying motivation in attending odd semester exam  with rotating system is classified as good, (5) Students? studying achievement on technique vocational subject for XI grade is classified as good.
ANALISIS PRODUK SPION PS 135 DENGAN PENGATURAN PARAMETER INJECTION TIME MATERIAL PLASTIK POLYPROPYLENE (PP) PADA PROSES INJECTION MOLDING Fitriyanto, Singgih
Jurnal Nosel Vol 2, No 2 (2013): October
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Abstract

Penelitian ini bertujuan untuk mengetahui: (1) pengaruh parameter injection time terhadap kualitas produk spion truk Mitsubishi PS 135 hasil injection molding; (2) parameter injection time yang menghasilkan produk dengan kualitas terbaik pada proses injection molding pada produk spion truk Mitsubishi PS 135 dengan plastik Polypropylene (PP) menggunakan software Autodesk Inventor 2013; (3) kesesuaian antara simulasi pada software Autodesk Inventor dengan aplikasi produksi di industri pada proses injection molding produk spion truk Mitsubishi PS 135 dengan material plastik Polypropylene (PP). Penelitian ini dilakukan dengan melakukan analisis kualitas produk spion truk Mitsubishi PS 135 hasil injection molding. Analisis produk dilakukan dengan simulasi menggunakan software Autodesk Inventor 2013. Parameter kerja injection molding yang digunakan adalah mold temperature 50°C, melt temperature 230ºC, maximum machine injection pressure 85 MPa, clamp open machine time 7 s, dengan memvariasikan parameter injection time yaitu 0,5s; 1 s; 1,5 s; 2 s; 2,5 s; 3 s; 3,5 s; 4 s; 4,5 s; 5 s; 5,5 s; 6 s; 6,5 s; 7 s; 7,5 s; 8 s; 8,5 s; 9 s; 9,5 s; 10 s. Data hasil penelitian dianalisis menggunakan teknik deskriptif. Hasil penelitian ini: (1) parameter injection time mempengaruhi kualitas produk spion truk Mitsubishi PS 135 pada proses injection molding; (2) hasil simulasi dengan software Autodesk Inventor menunjukkan bahwa parameter injection time terbaik untuk produk spion truk Mitsubishi PS 135 adalah pada rentang 2,5s S/d 6,5s; (3) hasil produk dari eksekusi menggunakan mesin injection molding di industri menunjukkan bahwa software Autodesk Inventor 2013 memiliki kesesuaian dengan aplikasi di industri dan dapat digunakan sebagai acuan untuk menentukan parameter kerja sebelum melakukan proses injeksi di mesin injection molding untuk memaksimalkan kualitas produk injection molding.
PENGARUH PENGGUNAAN ELEKTROLISER KAWAT TEMBAGA DAN JENIS BUSI TERHADAP EMISI GAS BUANG CO DAN HC PADA SEPEDA MOTOR HONDA BEAT TAHUN 2010 Fardiansah, Indrawan
Jurnal Nosel Vol 1, No 1 (2012): July
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Abstract

Purposes of the research are: (1) to do research  effect of copper wire electrolyzer on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. (2) To do research  effect of sparkplug type on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. (3) To do research  interactive effect using  copper wire electrolyzer and type of sparkplug on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010. The experiment uses 4x3 factorial method and quantitative approach. Population of the research is Honda Beat motorcycle of 2010. Sample of the research is Honda Beat motorcycle with machine-number JF51E1050768. Sample is taken by using purposive random sampling technique. Based on the data analysis, it can be concluded that: (1) There were effect using copper wire electrolyzer on CO and HC exhaust gas emissions of Honda Beat motorcycle of 2010 and from the data presented indicate that the levels emissions of CO and HC were lower than before using electrolyzer. (2) There were effect using types of sparkplugs on CO and HC exhaust gas emissions of Honda Beat motorcycle of 2010 and from the data presented indicate that the levels emissions of CO and HC were lower than using the standard sparkplug. (3) There were interactive effect using electrolyzer and sparkplug type on CO and HC exhaust gas emission of Honda Beat motorcycle of 2010 and shows the exhaust emissions of CO and HC more lower.
PENGARUH PRESTASI MATA DIKLAT PRODUKTIF DAN MINAT SISWA TERHADAP KEBERHASILAN PRAKTIK KERJA INDUSTRI SISWA KELAS XI PROGRAM KEAHLIAN MESIN PERKAKAS DI SMK GAJAH MUNGKUR WONOGIRI Asmoro, Probo
Jurnal Nosel Vol 2, No 4 (2014): April
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Abstract

The purpose of this study is to determine: (1) the relationship between the achievement of  productive training to the success of the industry work practices in class XI student of SMK Gajah Mungkur Wonogiri, school year 2011/2012, (2) the relationship between students' interest towards the success of the industry work practices on students class XI SMK Gajah Mungkur Wonogiri, school year 2011/2012, and (3) the relationship between the achievement of productive training and interest of students to ward success in the industry work practices class XI student of SMK Gajah Mungkur Wonogiri, school year 2011/2012. The results of this study show that: (1) there is a positive correlation between the achievement of  productive training with the success of implementing productive training practice in  the industry working class XI student of SMK Gajah Mungkur Wonogiri accept able based on the product  moment correlation  test interest in learning the value of a variable for 0.67 1is positive with 0.000 more significance smaller than 0.05, (2) there is a positive relationship between the interest of the students to implement successful practicesin the industry working class XI student of SMK Gajah Mungkur Wonogiri accept able based on the product moment correlation of  test results with the value of the Variable value productive training for 0.439 is positive with 0.000 more significance smaller than 0.05, and (3) there is a positive relationship between interest in learning the value of its currencyto the value of productive training prakerin class XI student of SMK Gajah Mungkur Wonogiri based on multiple linear regression coefficient of less than 0.05.
ANALISIS PEMAKAIAN SERAGAM SEKOLAH SISWA SMK DALAM TINJAUAN PENDIDIKAN KRITIS DI SMK N 5 SURAKARTA TAHUN AJARAN 2011/2012 Hudzaifah, Hudzaifah
Jurnal Nosel Vol 1, No 3 (2013): January
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Abstract

This research is an evaluation study using the CIPP (Context, Input, Process, Produck). The data?s research come from the quantitative data that is reinforced by the qualitative data. Quantitative data obtained from a sample of students SMKN 5 Surakarta by 289 students through a questionnaire. Qualitative data obtained by interview, observation, and document analysis. Research sample was taken by purposive sampling techniques, such as students, vice-principal,teacher. The next two types of data were analyzed with descriptive analysis. The result research on the use of a school uniform in SMKN 5 Surakarta of every indicators evaluation as follows: (1)Context, (a)the use of school uniforms to discipline students when studying, and solution of the diversity of environmental conditions and socio-economically diverse student, (b)the use of school uniforms create discipline, (c)the use of school uniforms have been planned by the student, cooperatives and assisted by some of the students involved. (2)Input, (a)the basis of the use of school uniforms is sourced from Kep.Dikdasmen. N0. 100/C/Kep/1991, (b)handling capability of the school in the use of school uniforms with the schedule of teachers picket the disciplining of students each will go to the school environment, (c)the use of school uniforms allow the intimidation because students have not participated shoes uniform. (3)Process, there is no discipline students on program activities, so the school (all officers involved) extra work to curb student. (4)Product, (a)the use of school uniforms will continue to be applied in disciplinary program looking students (b)the influence of school uniforms, education that lasts such as Freire says, like bank style education.
UPAYA PENINGKATAN KOMPETENSI MEMBACA GAMBAR PADA KOMPETENSI DASAR GAMBAR PROYEKSI DENGAN MEDIA VISUAL BERBASIS KOMPUTER DI PROGRAM STUDI TEKNIK PEMESINAN SMK NEGERI 2 KARANGANYAR TAHUN PELAJARAN 2014/2015 Putra, Ratna
Jurnal Nosel Vol 4, No 3 (2016): January
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Abstract

The purpose of this research is to improve the competence of students in engineering drawing for X Enginering B grade students of Vocational High School Satate 2 Karanganyar by using computer-based visual media. This research is a classroom action research. The research conducted in two cycles, with each cycle consisting of planning, action, observation, and reflection. The subjects are X Enginering B grade students of Vocational High School Satate 2 Karanganyar totaling 35 students. Source data come from teachers and students. Data collection techniques in this study are the observation, documentation and testing. Data analysis technique used is descriptive comparative. Research procedures are interrelated spiral model. The results showed that the application of computer-based visual media can enhance the competence to read engineering drawings X Enginering B grade students of Vocational High School Satate Negeri 2 Karanganyar academic year 2014/2015. This is evidenced by the growing of students competence which seen from the student record before and after the implemented action research. The average value of the X Enginering B grade students in the initial conditions is 63,66 with the number of graduate students as many as 13 or 37% of the total as many as 35 students. The average value of students in the first cycle is 73,54 by the number of graduate students as many as 22 or 9 students more than ever, an increase of 26% and a graduation rate to 63%. Furthermore, the graduation rate of students in the second cycle increased by 20% from the previous so as to 83% or a total of 29 students who graduated with an average of 73,29. The conclusions of this research is the application of computer-based visual media can improve reading competence engineering drawings X Enginering B grade students of Vocational High School State 2 Karanganyar.
PENGGUNAAN SOFTWARECUTVIEWER MILL UNTUK MENINGKATKAN KETERAMPILAN DAN HASIL BELAJAR MATA DIKLAT CNC DASAR TU-3A KELAS XI PROGRAM KEAHLIAN TEKNIK PEMESINAN DI SMK NEGERI 2 SURAKARTA TAHUN PELAJARAN 2014/2015 Yuliyanto, Rahmat Cahyo
Jurnal Nosel Vol 4, No 2 (2015): October
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Abstract

The aim of this research is to improve the skill and learning result in the Basic CNC TU-3A of the students in class XITechnical Machinery B of State Vocational High School 2 Surakarta in Academic Year 2014/2015. The target of change are improving students? skill and learning result, withaction variable is the uses CutViewer Millsoftware.This research is classroom action research with two cycles. Each cycle consisted of four phases, namely: planning, implementation, observation, and reflection. The subjects of this research were all of  students as many as 31 from the class XITechnical Machinery B of State Vocational High School 2 Surakarta in Academic Year 2014/2015. The research conducted collaboration between researcher, subject matter teacher, observer, and students. The data of theresearch were collected through observation, documentation, test, and in-depth interview. The instrument validated whit content validity of theobservation sheet and expert judgment of the test.Data analyzed by descriptive comparative method and crictical analysis.The result shows that the usesCutViewer Millsoftware can improve the skill and learning result. In Cycle I, the average of student?s skill attainment is 65.42% and the average score is 80.91 with the percentage of the students who fulfill the minimum learning completeness criterion is 74.19%. In Cycle II, the student?s skill becomes 88.45% and the average score is 85.69, with the percentage of the students who fulfill the minimum learning completeness criterion is 100%.
EVALUASI PELAKSANAAN UJIAN ONLINE DENGAN MENGGUNAKAN LEARNING MANAGEMENT SYSTEM MOODLE PADA MATA KULIAH PNEUMATIK HIDROLIK Widikda, Aris Puja
Jurnal Nosel Vol 2, No 1 (2013): July
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Abstract

The purpose of this reasearch to get an overview about: (1) the supporting factors of an implementation online examination using LMS Moodle, (2) the impeding factors of an implementation online examination using LMS Moodle, (3) online examination quality using LMS Moodle, (4) the advantage of online examination using LMS Moodle. This research was conducted on the Mechanical Engineering Education FKIP UNS Surakarta. This was an evaluation research. It used CIPP model (Context, Input, Process, and Product). Population of the research was an affordables, thats ware 58 participants of online examination fourth test competenc pneumatic hidraulic lecturing of fourth semester academic year 2012. Data collection techniques with questionnaires, interviews, and documentation. The validity that used in this research was a content validity. The data analysis technique that used in this research through analysis average that assessed based on evaluation criteria. The results of research show: (1) the supporting factors of implementation online examination using LMS Moodle, are: (a) the aspect of context; the ability of participants in Moodle application uses is quite high, the means that had on students to operate moodle applications is quite held, graphics / display moodle application is quite interesting, moodle application content in an online eaxamination is quite complete. (b) the input aspect; the efforts that done by participants to improve the ability to use moodle application is quite held, the efforts of participants in providing a means that used to operate moodle aplication adequately, the efforts of participants to improve their use of moodle aplication adequately. (c) the aspect of the process; using means moodle application in the implementation online examination adequtly, the useful moodle application content in the online examination process is quite easy. (d) the aspects of the product; quality assessment is quite high, and the benefits of assessment is high. (2) the impading factors of an online examination using LMS Moodle is the time implementation and time duration online examination. (3) the quality of online examination is quite high. (4) the benefits online examination include; the accuracy assessment is a high, the efficiency of the assessment is a high, the effectiveness of the appraisal is a high, the practicality of workmanship is a high, a high assesment accessibility, the question secrecy is high, high security response, high security assessment result.
ANALISIS KEBUTUHAN DALAM PROSES PRODUKSI DI PT. CAHAYA GENTALLA MANDIRI DILIHAT DARI ASPEK TENAGA KERJA Arif, Bery Nur
Jurnal Nosel Vol 2, No 3 (2014): January
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Abstract

This research aims at (1) finding the needs process production in PT Cahaya Gentala Mandiri, seen from the input aspect; (2) knowing the needs, seen from the operational processing aspect process production in the PT Cahaya Gentala Abadi and (3) getting the information of the needs from the production aspect point of view in the coolling coil making process in PT Cahaya Gentala Abadi. This research was conducted in PT Cahaya Gental Abadi, Bekasi, West Java. Using evaluative approach, descriptive evaluative research was apllied to conduct the research as the best strategy which most suitable. This research did not use the CIPP models completely but it uses the part of CIPP evaluation model by using IPP evaluation (input, process and product). Using snaw ball sampling, this research applied the technique of data sampling by unlimited or unselected the informan as data resources. There were 38 data sampling which consist of Directors(4), Head of Units (8) and labors (26). Technique of data analisys used in this reasearch wass descriptive analitical techique or non statistic. The result of this research, is: (1) the necessity in this input aspect are: provision of working time that are tailored to the needs and limited by applicable laws, specifically UU no.13 of 2003; policies employee qualifications that are tailored to the needs of the company and to plan training and personal mentoring; Setting standards and workload; Setting standards of tolerance. (2) the necessity in the aspects  of process are: working time which is provided to execute well and discipline, and also supervision of the management company; Managing employees and increase the personal qualifications of the employees by conducting training and personal mentoring; Implementation and workload standards; implementation of standard tolerances established companies to improve labor productivity. (3) the requirement in the aspect of a product is: quality and quantity that should be achieved by optimizing input and process in the company management.

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