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PENGARUH JUMLAH IGNITION BOOSTER PADA KABEL BUSI DAN PENAMBAHAN METANOL DALAM PREMIUM TERHADAP KONSUMSI BAHAN BAKAR PADA YAMAHA MIO SPORTY TAHUN 2007 Abdullah, Angga Aditya
Jurnal Nosel Vol 1, No 1 (2012): July
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The purpose of this research is: (1) To know the influence of total ignition booster on the sparkplug cable to fuel consumption on Yamaha Mio Sporty 2007, (2) To know the influence of methanol addition in premium gasoline to fuel consumption on Yamaha Mio Sporty 2007, (3) To know the interaction of total ignition booster on the sparkplug cable and methanol addition in premium gasoline to fuel consumption on Yamaha Mio Sporty 2007. This research used experimental methods and the types of quantitative research. The population of motorcycle Yamaha Mio Sporty 2007. The study sample is a Yamaha Mio Sporty 2007 motorcycle with police number AD 2113 ER, engine number 5TL840397 and chassis number MH35TL0067K83947. Sampling technique used Purposive Sampling technique. Experimental design was factorial design AxB, the A total Ignition Booster are without Ignition Booster, use 1 Ignition Booster, and use 2 Ignition Booster, while the B variations of methanol additions are 0%, 20%, and 40% and so there are 9 treatment, each treatment is to replicate as much as three times that obtained 27 data. Data of fuel consumption had been obtained from measurement fuel consumption during 10 minute. Data of analysis used two-way analysis of variance (Anova), which are the prerequisite tests previous performed tests of normality (Liliefors test) and tests of homogeneity (Bartlett test). Then performed multiple comparison tests (Scheffe test) is done. Based the research can conclude that: (1) There are a influence of total ignition booster on the sparkplug cable to fuel consumption on Yamaha Mio Sporty 2007. This is shown by the results of data analysis that Fobs = 190.12 greater than Ftabel = 6.01 level of significance at 1%. (2) There are influences of methanol addition in premium gasoline to fuel consumption on Yamaha Mio Sporty 2007. This is shown by the results of data analysis that Fobs = 691.12 greater than Ftabel = 6.01 level of significance at 1%. (3) There are influence interactions between total ignition booster on the sparkplug cable and methanol addition in premium gasoline to fuel consumption on Yamaha Mio Sporty 2007. This is shown in the results of data analysis which that the Fobs = 10.50 greater than Ftabel = 4.58 level of significance at 1%. Minimum fuel consumption is 2.43 ml/minute, obtained from 2 ignition booster with methanol addition in premium at 20%.

EFEKTIVITAS PELAKSANAAN TEACHING FACTORY SISWA SEKOLAH MENENGAH KEJURUAN (SMK) DI SOLO TECHNOPARK Lestari, Lestari
Jurnal Nosel Vol 3, No 1 (2014): July
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The purpose of the research was to obtain knowledge about the effectiveness of the implementation of teaching factory vocational schools students ( SMK ) in Solo Technopark. The results of this study showed that context aspect: (1) Implementation of the teaching factory program in accordance with the predefined of vision mission. It can be known by competency improvement gained by the way of involving students in the activities of teaching factory. so that students can feel how the direct learning such as real practice in the industry. (2) The strength of the teaching factory implementation is the planning of process, the implementation, the management and the evaluation, and the good documentation. (3) The weakness of the teaching factory activity is a delay in the production of goods (over time) due to lack of facilities and instructors which only meet half of the amount should be. Input aspect: (1) Human Resources is the main role in the implementation of the teaching factory. (2) knowledge and skills are the main capital in the teaching factory program, students are required to read measuring instruments and sheet job properly. (3) the constraints in production implementation is the teaching factory program facilities are still inadequate. Process aspect: (1) The effectiveness of implementation learning the teaching factory programs belongs to very high category indicated by the most percentage 50%. (2) the setting of implementation time and attendance belongs to the high category, with percentage acquisition 59.375%. Product aspect: (1) The results of student learning is an valuation from the teaching factory side which is the total value during the implementation of the teaching factory. (2) the finished product tested by the planning production, so it product performance is worthy to be distributed.

PEMANFAATAN SERBUK TONGKOL JAGUNG SEBAGAI ALTERNATIF BAHAN FRIKSI KAMPAS REM NON-ASBESTOS SEPEDA MOTOR Fitrianto, Fuad Dwi
Jurnal Nosel Vol 1, No 3 (2013): January
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The purpose of this research are to know the effect of variations material composition of corncobs powder, brass powder, MgO and polyester resin for hardness value and wear value. Beside that to know the variation of brake lining material composition which the most optimal and approximate standart of value Indopart brake lining.This research is an experimental research and analysis data which used descriptive analysis techniques. The research and testing which have been done consist of several steps, including the manufacture of specimens (mixing of materials, compaction process, sintering process), taking macro photo, Brinell of hardness testing and Ogoshi of wear testing.The result of research indicate that if composition percentage of corncobs powder more than brass powder percentage it cause hardness value smaller and wear value greater. This is because the nature of corncobs powder is softer than brass powder. The most optimal composition that approaches the standard of Indopart brake lining is with 18.5 kg/mm2 of hardness value and 0.87 × 10-8 mm2/kg of wear value is at 30% composition of corncobs powder, 30% of brass powder, 20% of MgO and 20% of resin. In that composition produce 17.1 kg/mm2 of hardness value and 0.80 × 10-8 mm2/kg of wear value. The results of research indicate that variations in the composition of constituent material have an influence on hardness value and wear value. Brake lining material composition which approximate standart of hardness value and wear value can applying in the motorcycle?s.

ANALISIS PERENCANAAN STRATEGIS PROGRAM STUDI PENDIDIKAN TEKNIK MESIN JPTK FKIP UNS MENGGUNAKAN METODE SWOT Tyastuti, Sari
Jurnal Nosel Vol 3, No 2 (2014): October
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The purposes of this research is (1) To know the position of quadrant PTM JPTK FKIP UNS program using SWOT method, (2) To know the strategic alternative for short term that can be aplied in PTM JPTK FKIP UNS based on SWOT method. This research is a case study using a SWOT method approach. Form and strategies that used in this research is descriptive qualitative supported quantitative data. The data used in this research wad PTM Program condition in this time. Triangulation technique uses for validity data qualiative test, and for quantitative data used construct validity in the form of judgment expert. Qualitative analysis using Model by Milles and Huberman. The result of this research shows that (1) Quadrant position of PTM program generally was in quadrant I with the strength of value 0.033 and the opportunity of value 0.274. (2) The strategy can be applied to Mechanical Engineering Education Programwasa growth oriented strategy (Growth oriented strategy) which had meanings that Mechanical Engineering Education Programstands in prime and steady conditionso it was possible to continue, to expand, to increase the growth and to reach its full potential opportunities for the sustainable advancement.

PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STAD UNTUK MENINGKATKAN KOMUNIKASI VERBAL DAN KREATIVITAS BELAJAR PADA MATA DIKLAT TEKNOLOGI DASAR OTOMOTIF SISWA KELAS X SMK NEGERI 5 SURAKARTA TAHUN PELAJARAN 2014/2015 Mulyono, Mulyono
Jurnal Nosel Vol 4, No 2 (2015): October
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The objectives of this research are to improve: (1) the verbal communication of the students in Grade X of Automotive Engineering Department of State Vocational High School 5 of Surakarta through the application of the cooperative learning model of the STAD type in the education and training of Basic Automotive Technology in Academic Year 2014/2015, and (2) the learning creativity of the students in Grade X of Automotive Engineering Department of State Vocational High School 5 of Surakarta through the application of the cooperative learning model of the STAD type in the education and training of Basic Automotive Technology in Academic Year 2014/2015. This research used the classroom action research with two cycles. Each cycle consisted of four phases i.e. planning, implementation, observation, and reflection. Its subjects were the students in Grade X of Automotive Engineering Department B of the aforementioned school. The data sources of research were the teacher and students of the school. They were collected through observation, in-depth interview, and documentation and analyzed by using the descriptive quantitative technique of analysis. The results of research are as follows: 1) The application of the cooperative learning model of the STAD type could improve the verbal communication of the students in Grade in Grade X of Automotive Engineering Department B of State Vocational High School 5 of Surakarta on the learning materials of Work Cycle of Four-Stroke Gasoline Engine and Work Cycle of Four-Stroke Diesel Engine. In Cycle I, the percentage of the students who fulfilled the minimum learning completeness was 54.55%, and it became 70.23% in Cycle II. 2) The application of the cooperative learning model of the STAD type could improve the learning creativity of the students in Grade in Grade X of Automotive Engineering Department B of State Vocational High School 5 of Surakarta on the learning materials of Work Cycle of Four-Stroke Gasoline Engine and Work Cycle of Four-Stroke Diesel Engine. In addition, the percentage of the students who completed the criterion was 57.11% in Cycle I and became 71.52% in Cycle II. Thus, the application of the cooperative learning model of the STAD type could improve the verbal communication and learning achievement in the education and training of Basic Automotive Technology in Academic Year 2014/2015 of the students in Grade in Grade X of Automotive Engineering Department of State Vocational High School 5 of Surakarta in Academic Year 2014/2015.

PENGARUH VARIASI PUTARAN MESIN DAN PEMANASAN BAHAN BAKAR BENSIN MELALUI PIPA KAPILER BERSIRIP RADIAL DI DALAM UPPER TANK RADIATOR TERHADAP KONSUMSI BAHAN BAKAR BENSIN PADA MESIN TOYOTA KIJANG Nurachman, Arif
Jurnal Nosel Vol 2, No 1 (2013): July
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The result of this research shows that the effect the usage of heating gasoline fuel through a capillary tube which is radial finned in the upper tank radiator at engine speed 1000 r.p.m., 2000 r.p.m., and 3000 r.p.m.. Average consumption at engine speed 1000 r.p.m. normal Toyota Kijang average consumption 32,066×10-3 cc per cycle. With the use of heating fuel use 3 copper pipe with fins spaced 10 mm fuel consumption by 25,174×10-3 cc per cycle. Fuel consumption decreased by 6,892×10-3 cc per cycle or 21,58%. At engine speed 2000 r.p.m. normal Toyota Kijang average consumption 38,487×10-3 cc per cycle. With the use of heating fuel use 3 copper pipe with fins spaced 10 mm fuel consumption by 28,121×10-3 cc per cycle. Fuel consumption decreased by 10,366×10-3 cc per cycle or 26,93%. At engine speed 3000 r.p.m. normal Toyota Kijang average consumption 36,783×10-3 cc per cycle. With the use of heating fuel use 3 copper pipe with fins spaced 10 mm fuel consumption by 31,187×10-3 cc per cycle. Fuel consumption decreased by 5,596×10-3 per cycle or 15,21%. The conclusion of this research is the usage of fuel heating using three copper tubes with the range between the fins is 10 mm in the upper tank of radiator can reduce the biggest lowers fuel consumption on the Engine of Toyota Kijang 1989.

PENGARUH BAHAN BAKAR PREMIUM, PERTAMAX, PERTAMAX PLUS DAN VARIASI RASIO KOMPRESI TERHADAP KADAR EMISI GAS BUANG CO DAN HC PADA SUZUKI SHOGUN FL 125 SP TAHUN 2007 Winarto, Eko
Jurnal Nosel Vol 2, No 3 (2014): January
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The purpose of this research: (1) Investigated the motorcycle exhaust emissions Suzuki Shogun FL 125 SP in 2007 used premium, pertamax,and pertamax plus. (2) Investigated the motorcycle exhaust emissions Suzuki Shogun FL 125 SP in 2007 used variation of compression ratio. (3) Investigated the motorcycle exhaust emissions Suzuki Shogun FL 125 SP in 2007 used interaction premium, pertamax, pertamax plus, and variation of compression ratio. Based on this researchcan be concluded: (1) The measurement premium fuel produced the lowest emission in CO 3.884% by 9.1:1 compression ratio and the the lowest exhaust gas emission levels in 168 ppm by 9.1:1 compression ratio. (2) The measurement pertamax fuel produced the lowest exhaust gas emission levels in CO 3.237% by 9.5:1 compression ratio and the the lowest exhaust gas emission levels in 210 ppm by 9.5:1 compression ratio(3) The measurement pertamax plus fuel produces the lowest exhaust gas emission levels in CO 2.615% by 10.2:1 compression ratio and the the lowest exhaust gas emission levels in 237 ppm by 9.5:1 compression ratio

OPTIMASI PARAMETER PROSES PEMESINAN CNC MILLING TERHADAP KEKASARAN PERMUKAAN KAYU JATI DENGAN METODE TAGUCHI Firstiawan, Nur
Jurnal Nosel Vol 1, No 2 (2012): October
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Tujuan penelitian ini adalah untuk mengetahui: (1) Pengaruh variasi kecepatan spindle, laju pemakanan, kedalaman pemakanan, dan arah potong serat kayu (longitudinal, radial, dan tangensial) terhadap tingkat kekasaran permukaan hasil proses pemesinan CNC milling type ZK 7040 pada material kayu jati. (2) Mengetahui parameter manakah yang menghasilkan nilai kekasaran optimal pada proses pemesinan CNC milling type ZK 7040 pada material kayu jati, dengan menggunakan metode Taguchi. Proses pemesinan kayu jati menggunakan mesin CNC milling type ZK 7040 dengan control SIEMENS SINUMERIK 802S dilaksanakan di SMK SAKTI Gemolong. Pengujian kadar air dilakukan di Laboratorium Bahan, Teknik Sipil, Universitas Sebelas Maret. Pengujian kekasaran permukaan dilaksanakan di Laboratorium Bahan Teknik, Program Diploma Teknik Mesin, Sekolah Vokasi, Universitas Gadjah Mada. Metode optimasi yang digunakan dalam penelitian ini adalah metode Taguchi. ANAVA TAGUCHI (Analisis Varian Taguchi) dibantu software Minitab 15 untuk mengetahui karakteristik performansi dari parameter pemesinan. Hasil penelitian proses pemesinan CNC milling type ZK 7040 pada material kayu jati ini adalah: (1) Semakin tinggi kecepatan spindle, akan menghasilkan nilai kekasaran permukaan yang semakin kecil yaitu pada level 3 = 3000 rpm; semakin tinggi laju pemakanan, akan menghasilkan nilai kekasaran permukaan yang semakin besar yaitu pada level 3 = 1200 mm/min; semakin tinggi kedalaman pemakanan, akan menghasilkan nilai kekasaran permukaan yang semakin besar yaitu pada level 3 = 6 mm; dan semakin kering kayu pada variasi arah potong serat kayu, akan menghasilkan nilai kekasaran permukaan yang semakin kecil yaitu pada level 1 = arah pemotongan tangensial. (2) Parameter yang menghasilkan nilai kekasaran permukaan optimal adalah pada kecepatan putaran spindle 3000 rpm, laju pemakanan sebesar 400 mm/min, kedalaman pemakanan 2 mm, dan arah potong serat kayu tangensial. Laju pemakanan memiliki pengaruh paling besar dengan delta S/N rasio sebesar 3,78 dan arah potong serat kayu memiliki kontribusi paling kecil yaitu dengan delta S/N rasio sebesar 1,92. (3) Hasil kekasaran yang optimal adalah 4,12 ± 0,42 ?m.

KUALITAS REPAIR WELDING DENGAN METODE OKSI-ASETILIN DAN PERLAKUAN PREHEATING PADA CAST WHEEL ALUMUNIUM SEBAGAI SUPLEMEN MATERI MATA KULIAH TEKNIK PENGELASAN Anggoro, Ayub Budhi
Jurnal Nosel Vol 3, No 4 (2015): April
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The purposes of this research are: (1) To determine the chemical composition and aluminium alloy standard codification of cast wheel aluminium. (2)To determine the microstructure before and after welding with oxy - acetylene welding method with preheating on the cast aluminium wheel. (3) To determine the level of hardness, before and after welding with oxy-acetylene welding method with preheating on the cast wheel aluminium. (4) To determine the level of impact strength before and after welding with oxy - acetylene welding method with preheating on the cast wheel aluminium. (5)To add a teaching module of welding technique course with Oxy-Acetylene repair welding method and preheating treatment. The Object in this research used arealuminium castwheels. Techniques of data analysis in this research using descriptive data analysis that is directly observed experimental results and then analyzed and summing up the results of the research. As an input parameter in analyzing the data include:the testing of chemical composition, microstructure, hardness and impact. From the research, we can concluded that (1) The cast wheel is made of cast aluminium alloy type AA.4011 which has a characteristic non heat-treatable, medium resistant of strength and ductility, resistant to corrosion and has good characteristic of capable cast. (2) Microstructure on base metal granules, HAZ and the weld area on the material results of oxy-acetylene welding visible form of the element Si granules are scattered in different Al matrix. on the raw area, Si granules are smaller and spread equally on the surface of Al. on the weld area, Si granules are larger than raw area and spread equally on the surface of Al. on HAZ area Si is larger and does not spread equally on the surface of Al. Influence of the preheating treatment of the welds specimen make the cooling rate is more stable, so the microstructure of the raw, HAZ and weld are showed differences not significant. It is seen from the micro image in which the boundary area between the base metal, HAZ, and weld area is not clearly visible. (3) Specimen hardness value of raw material is higher thanoxy-acetylene welding specimens.The average value ofraw material hardness results 65,829BHN. The average value ofoxy-acetylene weldingresults 59,168 BHN. The average hardness oxy-acetylene welding specimens in the HAZ area 62,325BHN. (4) The average value ofraw material impact results 0,0686 J/mm² whilethe average value ofoxy-acetylene weldingresults0,0294 J/mm².

PENINGKATAN KEAKTIFAN DAN HASIL BELAJAR KOMPETENSI DASAR PEMBENTUKAN LOGAM DENGAN BLENDED LEARNING BERBANTUAN MEDIA SOSIAL SCHOOLOGY DI KELAS X TKRD SMK NEGERI 2 SURAKARTA Widiyanto, Teguh
Jurnal Nosel Vol 4, No 1 (2015): July
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The purpose of this research is to improve learning activity and learning achievement of metal forming basic competence at the TKRD first grade of SMK Negeri 2 Surakarta using blended learning supported by schoology social media. This research is classroom action research. This research is done two cycles, which each cycles consists of planning, acting, observing and reflecting. The subjetcs of this research are 32 student of TKRD first grade of SMK Negeri 2 Surakarta. The data source is from teacher and students. The techniques of collecting data are observation, test, documentation, and questionnaire. This research uses content and contruct validity. This research uses comparative analysis technique and statistic deskriptive. The result show that (1) the use of blended learning supported by schoology social media could improve learning activity. It is show by the percentage of students before the action is 30,81%. After the action is done, the percentage becomes 63% in the first cycle and improves to be 76,9% in the second cycle. (2) the use of blended learning supported by schoology social media could improve the learning achievement. It is show by the persentage of learning achievement completeness before the action is 43,7%. After the action, the persentage in of learning achievement completeness is 53,12% and becomes 84,38% in the second cycle. The conclusion of this research is the using of blended learning supported by schoology social media could improve learning activity and learning achievement of metal forming basic competence at the TKRD first grade of SMK Negeri 2 Surakarta.

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