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Purwoko
Jurusan Teknik Mesin Politeknik Negeri Malang
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Pengaruh Penggunaan Filter pada Strainer Terhadap Usia Pakai Filter Bahan Bakar Mesin Diesel 6374 CC Sidqi Hidayat Tulloh; Purwoko Purwoko
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 2 (2024): Juni : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i2.3793

Abstract

Indonesia has implemented a policy of using biodiesel with a 30% biodiesel content, known as B30. The use of biodiesel also tends to have deposits that can clog fuel channels and filters. This can cause serious problems in the fuel system, especially blockages in the fuel filter. This research aims to find out which filter on the strainer is the most optimal in increasing the service life of the fuel filter on the 6374 CC diesel engine. In this study, the research approach used was a quantitative experimental type. The independent variable used in this research is the size of the filter on the strainer, namely 10 µm, 18 µm, and 20 µm, and the dependent variable is the service life of the fuel filter. With the data collection method using a filter density test tool. The data obtained was then processed into graphic data and analyzed using the one way anova method. The research results show that all strainer filters are able to increase filter life from 1,702 km to 5,106 km. The strainer filter with a size of 18 µm at km 5,106 is the most optimal filter. This happens because this filter does not require routine cleaning at every round-trip vehicle operation like a 10 µm size strainer filter and the discharge is slightly higher than a 20 µm size strainer filter.
Pengaruh Ketinggian Beban Jatuh dan Kekentalan Oli Suspensi Depan Terhadap Getaran Shock Absorber Sepeda Listrik Naufal Yunas Oktavian; Purwoko Purwoko
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 3 (2024): September : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i3.4066

Abstract

One important aspect in choosing a vehicle is comfort, where the suspension plays a significant role. The main suspension component, namely the Shock Absorber, has a crucial role in minimizing vibrations and optimizing driving comfort. The function of the Shock Absorber depends on the viscosity value of the damper, which must support the effectiveness of the suspension. A quantitative experimental type approach was used by taking data using a Vibrator meter. The test is carried out by dropping a load on a load test tool with predetermined variables with the aim of obtaining vibration values ​​on the Shock Absorber. This type of synthetic oil with a viscosity of 77.22 mm²/s, which is used as a filler for the front shock absorber on e-bomber electric bicycles, has the lowest viscosity among other types of oil, resulting in the highest vibration speed. The type of mineral oil with a viscosity of 79.35 mm²/s, which is used as a filler for the front shock absorber on e-bomber electric bicycles, has the highest viscosity among other types of oil, resulting in the lowest vibration speed. This type of semi-synthetic oil with a viscosity of 78.31 mm²/s, has a viscosity that is between synthetic and mineral oil types, resulting in a higher vibration speed compared to synthetic oil types but lower than mineral oil types.
Pengaruh Tinggi Bukaan Katup terhadap Torsi dan Daya pada Motor Besin 4 Langkah Berkapasitas 200CC Dadang Andi Saputra; Purwoko Purwoko
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 3 (2024): September : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i3.4259

Abstract

Automobiles are now the primary mode of transportation due to rapid technological advancements. One method for accomplishing ideal volumetric effectiveness and augment power is to change the camshaft. This study means to grow understanding in the auto world in regards to power and force and to assess the impact of changes in camshaft lift level on a 200cc limit bike utilizing pertalite fuel. The information from the review is introduced in tables and examined utilizing the two-way ANOVA technique and charts. The results of the analysis indicate that a comparison of the power data obtained by adding the lift height (test 3) yields a result of 16 66 HP at 8500 RPM. In the mean time, the force information demonstrates the way that the force examination of the three tests can be supposed to be the most elevated information of the three tests, to be specific (test 3) which is completed by adding a high lift to get a force of 17 59 Nm at engine rotation 5000 RPM. Utilized DeepL.com (free version) for translation.
Pengaruh Variasi Jenis Koil dan Mapping Derajat Pengapian Menggunakan Programmable CDI Terhadap Daya Pada Motor Bensin 110 CC Aprilian Rizki Triatmoko; Purwoko Purwoko
Journal of Creative Student Research Vol. 2 No. 3 (2024): Juni : Journal of Creative Student Research
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jcsr-politama.v2i3.3920

Abstract

The rapid development of transportation technology, especially in motorbikes, has increased interest in modifications to enhance performance. Improving motorbike performance involves modifying the ignition system by upgrading the CDI and replacing standard coils with aftermarket ones. This aims to enhance engine performance since standard CDIs have relatively low output power and standard coils have limited output capacity, necessitating compatible CDI and coil upgrades.This research focuses on improving the performance of a 110cc 4-stroke engine using experimental quantitative methods and data analysis. The independent variable is aftermarket coil variations with higher voltage (up to 90 kV) and ignition mapping with a Programmable CDI. The dependent variable is power output. Data processing involves two-way ANOVA analysis of test result graphs processed in Microsoft Excel, averaging results from three tests per variation.Results show that setting the ignition at the 13th degree and using a BRT coil provided the highest power output, reaching 8.33 horsepower at 8000 RPM. This is because effective ignition timing and larger sparks are crucial for regulating fuel combustion in the chamber, leading to earlier and more powerful explosions..
Co-Authors Ach. Muhib Zainuri Agus Setiawan Akbar Sigit Widiantoro Andah Lugas Dhinata Anggit Murdani Aprilian Rizki Triatmoko Bambang Irawan Cahyo Tri Waluyo Dadang Andi Saputra Dwi Romdhoni Eko Yudiyanto Etik Puspitasari Febryan Candra Shakti Fica Aida Nadhifatul Aini Hari Rarindo Haris Puspito Buwono Imam Mashudi Lisa Agustriyana M Rio Alfi Sya'bana Mochamad Muzaki Mochammad Habibi Muhammad Fakhruddin Muhammad Nouval Eka Saputra Muhammad Raihan Abdillah Naufal Yunas Oktavian Nurchajat Nurhadi - Nurlia Pramita Sari R N Akhsanu Takwim Radhi Nurvian Amrullah Rio Asyahdiky Al Faiz Santoso Santoso Santoso Sidqi Hidayat Tulloh Silvia Rahmi Ekasari Syamsul Hadi Yuniarto Agus Winoko