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All Journal CIVED (Journal of Civil Engineering and Vocational Education) JEES (Journal of English Educators Society) Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Jurnal Syntax Transformation Jurnal Pengabdian UNDIKMA V-MAC (Virtual of Mechanical Engineering Article) JNANALOKA Jurnal Penelitian Sekolah Tinggi Transportasi Darat Madiun Spoor : Jurnal Pengabdian Masyarakat Jurnal Pengabdian Kepada Masyarakat Semangat Nyata Untuk Mengabdi Journal of Railway Transportation and Technology Sainstech Nusantara
Dadang Sanjaya Atmaja
Politeknik Perkeretaapian Indonesia Madiun
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MATERIAL KOMPOSIT LAMINASI SERAT KARBON-NYLON DENGAN ADDITIVE ALUMINUM POWDER UNTUK BODY LORI Henry Widya Prasetya; Dadang Sanjaya Atmaja; Dimas Adi Perwira
Jurnal Penelitian Sekolah Tinggi Transportasi Darat Vol 13 No 2 (2022): December 2022
Publisher : Politeknik Transportasi Darat Indonesia - STTD Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dalam proses perawatan prasarana perkeretaapian, dibutuhkan alat transportasi yang mampu mempercepat proses perawatan, efisiensi waktu, dan proses yang mudah dalam pengoperasian. Lori inspeksi merupakan alat transportasi yang sesuai untuk proses perawatan prasarana perkeretaapian. Lori inspeksi adalah kendaraan angkut dengan atau tanpa penggerak sendiri yang dapat diangkat dari rel di jalan bebas oleh tenaga yang ada pada kendaraan tersebut dalam waktu tidak lebih dari 2 menit. Lori inspeksi elektrik PPI Madiun masih memiliki beban total diatas 100 kg. Beban yang berat akan mengurangi nilai efektifitas penggunaan lori dan membahayakan operator, sehingga dibutuhkan beberapa inovasi untuk mengatasi masalah tersebut. Pertama dengan material pembentuk bodi lori, dibutuhkan material yang kuat dan ringan. Komposit adalah material alternatif yang dikembangkan sebagai pengganti material tradisional sejak dua puluh tahun terakhir. Komposit untuk bodi lori ini menggunakan epoxy resin sebagai matriks pengikat, serat karbon-serat nilon dan aluminium powder sebagai filler yang disusun dengan tingkat variasi laminasi. Pembuatan komposit dengan metode hand lay-up. Hasil penelitian menunjukkan bahwa susunan laminasi antar serat didalam penyusun penguat material komposit dengan metode hand lay up akan mempengaruhi kekuatan tarik. Kekuatan tarik tertinggi sebesar 17.82 MPa, pada spesimen 1A yang susunan seratnya dengan laminasi CNCNCN serat karbon, serat nilon, serat karbon, serat nilon, serat karbon, dan serat nilon. Kekuatan tarik terendah sebesar 13 MPa, pada spesimen A3 yang susunan seratnya dengan laminasi NNCCNN serat nilon, serat nilon, serat karbon, serat karbon, serat nilon, dan serat nilon.
Behavior of railroad bearing due to temperature and load using LISA FEA Aco Wahyudi Efendi; Akbar Zulkarnain; Dadang Sanjaya Atmaja
Journal of Railway Transportation and Technology Vol. 1 No. 1 (2022): May
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.879 KB) | DOI: 10.37367/jrtt.v1i1.1

Abstract

A very important element of railway is the rail bearing, different types of rail bearings that we know in Indonesia are wooden rail bearings, concrete rail bearings. In this study, the stress behavior that occurs in the two types of railway bearings due to the load and the occurring temperature effect is to be checked. It was found that the stress occurring in bearings with different materials, namely concrete and wood, when the The nominal stress can be seen on the concrete bearing is 11.87 N/mm2, on the wooden material the bearing load is 10.41 N/mm2. As for the temperature effect, it looks similar to the temperature of 80 °C for each material, but it can be seen that the temperature effect spreads from the surface due to the friction between the railroad tracks and the railroad wheels.
Analysis Of The Influence Of Rail Line On Railway Wheel Flens Wear Akbar Zulkarnain; Dadang Sanjaya Atmaja; Daffa Ricta Ricardo; Andrew Joewono
Jurnal Syntax Transformation Vol 4 No 9 (2023): Jurnal Syntax Transformation
Publisher : CV. Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jst.v4i9.809

Abstract

Ministerial Regulation number 175 of 2015 about Technical Specification Normal Speed Trains with Self-Propelling, the hardness rate of the train wheels must be lower than the hardness of the rail road. Trains operating at speeds of are considered as normal speed trains. Based on field observations, generally the flange is wear faster. In cases where flanges are wear out, the wheel’s flange must be to restored to its proper condition as long as the wheel diameter is still possible. This research was carried out by processing data using the Trend Linear and using the excel to get the results of a comparison of which wheels are faster to wear out on flange for each wheel in one train arrangement and which route causes wear out faster. Based on the data obtained, the Yogyakarta – Kutoarjo route traversed by An Electric-Diesel Locomotive Prambanan Express (Prameks) causes wear on flange than the Yogyakarta – Yogyakarta International Airport (YIA) route traversed by An Electric-Diesel Locomotive YIA and on the Solo – Wonogiri route traversed by An Electric-Diesel Locomotive Batara Kresna due to the total length of the mileage. and the longest total arc length of the two compared Lines. Meanwhile, the Solo – Wonogiri route traversed by An Electric-Diesel Locomotive Batara Kresna is ranked second in the cause of flange due to the smallest bend radius of the two compared lines. As well as the ranking of the last traffic that causes flange is the Yogyakarta - YIA.
PEMBUATAN DAN SOSIALISASI PENGGUNAAN ALAT BANTU PELEPAS INNER RACE BEARING GENERATOR LOKOMOTIF Atmaja, Dadang Sanjaya; Utomo, Ilham; Zulkarnain, Akbar; Imron, Nanda Ahda
Madiun Spoor : Jurnal Pengabdian Masyarakat Vol 3 No 2 (2023): Oktober 2023
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpm.v3i2.284

Abstract

Tujuan pengabdian ini untuk memberikan kemudahan kepada tenaga perawat lokomotif di golongan kelistrikan khususnya pada pelepasan inner race bearing pada generator lokomotif. Hal itu dikarenakan Proses pelepasan inner race bearing pada generator lokomotif dengan tenaga manual dapat menyebabkan risiko terhadap keselamatan pekerja maupun pada kecacatan generator tersebut. Metode yang digunakan dalam pengabidan ini berupa perancangan, desain dan manufaktur, serta sosialisasi penggunaan alat dan penyerahan alat kepada Balai Yasa Yogyakarta. Hasil desain dan menufatur alat pelepas inner race bearing pada generator dipraktikan dan diuji di workshop Balai Yasa Yogyakarta. Pengujian ini menggunakan variabel yaitu waktu pelepasan dan efisiensi jumlah tenaga. Pengujian dilakukan sebanyak empat kali dengan jumlah tenaga perawatan yang melakukan perawatan yaitu sejumlah 2 orang dan rata-rata pelepasan adalah 2,8 detik. Alat ini di serahkan kepada Balai Yasa Yogyakarta supaya dapat digunakan untuk memudahkan perawatan lokomotif.
The Effect of Traffic on Wheel Flange Wear of LRT Jabodebek Zulkarnain, Akbar; Ersaputra, Arya Yudha; Atmaja, Dadang Sanjaya; Rifai, Afaf Fadhil; Pradana, Adrian
Journal of Railway Transportation and Technology Vol. 3 No. 2 (2024): November
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jrtt.v3i2.50

Abstract

Light Rail Transit (LRT Jabodebek) is a light rail train that serves 2 operational crossings, namely cibubur Line and Bekasi Line. The problem that occurs in Jabodebek LRT is abnormal wheel flange wear. This problem will have an impact on the wheel life to be shorter. Therefore, this study aims to analyze the cross that has the most influence on the wear rate of the Jabodebek LRT wheel flange and find out when turning will be carried out. The flange measurement data obtained from daily and monthly maintenance data will be analyzed using the simple linear regression method. The value of flange wear caused by Lintas Harjamukti-Dukuh Atas of 0.00285 mm in one trip is greater than Lintas Jatimulya-Dukuh Atas of 0.001295 mm. While trainset 1 will be turned after traveling 117,962 km or 3944 trips, trainset 2 will be turned after traveling 74,061 or 2424 trips, trainset 13 will be turned after traveling 237,295 km or 7908 trips, trainset 18 will be turned after traveling 85,911 km or 2707 trips. Therefore, the Harjamukti-Dukuh Atas section has a greater influence on the wear that occurs compared to the Jatimulya-Dukuh Atas section.
PENGENALAN ALAT TRANSPORTASI KERETA API PADA ANAK USIA DINI Damayanti, Ajeng Tyas; Astuti, Septiana Widi; Atmaja, Dadang Sanjaya; Dewi, Puspita; Puspitasari, Mariana Diah
Madiun Spoor : Jurnal Pengabdian Masyarakat Vol 4 No 2 (2024): Oktober 2024
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpm.v4i2.359

Abstract

Early childhood education is the main education towards higher education. Early childhood education must pay attention to the maturity of children in all aspects of life. Knowledge and understanding of something can be instilled into early childhood by various methods. In instilling understanding in children through direct recognition so that children will be stimulated through hearing (auditory) and sight (visual). The introduction of means of transportation is usually an attraction in itself for early childhood. Transportation tools become easy to understand because they are often seen even using these means of transportation. The introduction of means of transportation is carried out through auditory, visual and psychomotor. Improved auditory and visual abilities are obtained by the method of telling stories about trains. Videos are also shown to facilitate the child's understanding. Increasing children's knowledge and psychomotor using field trips directly by train to gain experience
PEMBUATAN DAN SOSIALISASI PENGGUNAAN ALAT BANTU CRANE TROLLY JIG AIR SPRING PADA SARANA MRT JAKARTA Atmaja, Dadang Sanjaya; M Nurhadi; Damayanti, Ajeng Tyas; Utomo, Ilham Satrio; Rihandoyo, Ken Ken Tabitha; Fajar, Hafidh Fiqran
Madiun Spoor : Jurnal Pengabdian Masyarakat Vol 4 No 2 (2024): Oktober 2024
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpm.v4i2.373

Abstract

The maintenance of air springs on ND-748 and ND 748-T type bogies in Jakarta MRT facilities requires a complex and time-consuming process. This community service research project aims to design, develop, and socialize the use of a crane trolly jig air spring tool to improve the efficiency of the maintenance process. The methodology employed includes data collection, chain block calculations, design using Solidworks 2023, and a manufacturing process encompassing tool and material preparation, material cutting, welding, component assembly, and finishing. Testing results indicate that the developed tool is safe to use and functions properly. This tool can reduce the time required for air spring removal and maintenance from 4-5 minutes to a more efficient duration, while facilitating installation at a rate of 5 minutes per air spring. As part of the community service aspect, this auxiliary tool has been handed over to PT. MRT Jakarta, accompanied by socialization of its usage to facilitate maintenance of their facilities. This research is expected to contribute to improving efficiency and safety in the maintenance of public transportation systems in Jakarta.
Nadal Critical and Ride Index Characteristics of Inspection Train Using Universal Mechanism Software on Different Back to Back Ilham Satrio utomo; Dadang Sanjaya Atmaja; Benecdiktus Ergo Febrilian
SAINSTECH NUSANTARA Vol. 1 No. 4 (2024): November 2024
Publisher : Nusantara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71225/jstn.v1i4.66

Abstract

This research conducted dynamic simulations using the Universal Mechanism software with variations between back to back widths of 1000 mm and 990 mm, focusing on the relationship between train operating speed, vibration levels, and passenger comfort index during operation on a small curve on the PPI Madiun track with a radius of R42. The issue investigated in this study stems from PM No. 17 of 2011, which sets the standard back-to-back usage at 1000 mm. It is crucial to understand the characteristics of each back to back setting, as the operational track gauge used is 1067 mm. The simulation results indicate that the nadal criterion and ride index are more favorable with the 990 mm back to back setting. At a speed of 25 km/h, the nadal criterion for the 990 mm setting was 0.636, compared to 0.670 for the 1000 mm setting, and the ride index for the 990 mm setting at this speed was 1.315449, compared to 1.288552 for the 1000 mm setting. These results are considered valid as the error value in the data validation calculations was less than 10%, specifically 8.26%.
ANALYZING THE USE OF B35 BIODIESEL ON THE DISTANCE AND FUEL FILTERS LIFETIMES FOR LOCOMOTIVES CC201 AND CC203 Atmaja, Dadang Sanjaya; Damayanti, Ajeng Tyas; Utomo, Ilham Satrio; Prasetya, Henry Widya; Firjatullah, Aisha Aristawidya
Journal of Railway Transportation and Technology Vol. 4 No. 1 (2025): March
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jrtt.v4i1.46

Abstract

Blends of biodiesel, like B35, are becoming more and more popular as the demand for cleaner energy sources grows. There are a number of difficulties with using biodiesel, particularly with respect to diesel engine fuel filtration systems. The purpose of this study is to determine the fuel filter's level of contamination at particular mileage intervals, assess how well the filter works with biodiesel blends, and calculate the fuel filter's lifespan when using B35 biodiesel. The authors have conducted an experimental study involving a testing apparatus to measure the flow rate at the filter. Real-time data on fuel flow rate and filter cloggi ng rate will be collected and analyzed to determine the impact of filter efficiency on fuel changes. The experimental data will be compared and contrasted to draw meaningful conclusions about the correlation between filter clogging and fuel flow rate. The data shows that the CC201 filter experiences less contamination compared to the CC203 filter. These results suggest that the CC201 maintains better performance at the distances tested. Filter quality was estimated based on the remaining flow rate capacity, showing a direct correlation between mileage and filter deterioration. Firstly, it was found that the level of contamination experienced by the CC201 fuel filter was superior to that of the CC203 filter. Secondly, the relationship between fuel filter life and locomotive mileage is illustrated by a scatter plot graph showing a decreasing trend line. Thirdly, from the use of B35 fuel, the performance of the fuel filter decreased at a percentage of 10% and 13% on each locomotive.
Pelatihan Aplikasi Mendeley sebagai Instrumen Citation dan Reference Manager Artikel Ilmiah bagi Akademisi di Kota Madiun Damar Isti Pratiwi; Henry Widya Prasetya; Dadang Sanjaya Atmaja
Jurnal Pengabdian UNDIKMA Vol. 3 No. 2 (2022): August
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v3i2.5502

Abstract

The community service about training in using Mendeley application as a citation and reference manager instrument in writing article for university students in Madiun aims to share knowledge for academicians in writing article citation and reference manager using Mendeley. The participants of this community service are the university students in Madiun. This activity was done through discussion and simulation in Zoom meeting. It was started with planning and socialization for a month through social media. The simulation was done through Zoom meeting in a day. Evaluation of this activity was done by giving questionnaire for all participants at the end of the training. The results of the evaluation showed that the training of article citation and reference manager in writing article benefits for the university students in writing appropriate APA 7th edition-citation.
Co-Authors Aco Wahyudi Efendi Ajeng Tyas Damayanti Akbar Zulkarnain Akbar Zulkarnain Andrew Joewono Astuti, Septiana Widi Benecdiktus Ergo Febrilian Daffa Ricta Ricardo Damar Isti Pratiwi Damayanti, Ajeng Tyas Dimas Adi Perwira Erlangga, Aditya Wahyu Ersaputra, Arya Yudha Fadli Rozaq Fajar, Hafidh Fiqran Firjatullah, Aisha Aristawidya Firmansyah Fariz Prasaja Hanung Dwi Pamungkas Hari Boedi Wahjono Henry Widya Prasetya Henry Widya Prasetya Ilham Satrio Utomo Imron, Nanda Ahda Kurniawan, Moch Aziz M Nurhadi Natriya Faisal Rachman Nurul Fitria Apriliani Pradana, Adrian Prasetya, Henry Widya Pratama, Martin Willy Eka Puspita Dewi, Puspita Puspitasari, Mariana Diah Rifa'i, Afaf Fadhil Rihandoyo, Ken Ken Tabitha Rochmat Septian Hermawan Shakti, Panka Mahendra Teguh Arifianto Wahyu Tamtomo Adi Wahyu Tamtomo Adi, Wahyu Tamtomo Waskito, Ario Wirawan, Willy Artha Yusuf Adhisuryo Zulkarnain, Akbar