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Betti Ses Eka Polonia
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injection@politap.ac.id
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INDONESIA
INJECTION: Indonesian Journal of Vocational Mechanical Engineering
Published by Politeknik Negeri Ketapang
ISSN : -     EISSN : 27754995     DOI : https://doi.org/10.58466/injection.v1i2.117
Core Subject : Economy, Science, Engineering,
Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Indonesian Journal Of Mechanical Engineering Vocational (INJECTION) adalah jurnal ilmiah yang dikelola secara profesional dan diterbitkan oleh Jurusan Perawatan dan Perbaikan Mesin, Politeknik Negeri Ketapang. Jurnal INJECTION sebagai media kajian ilmiah hasil penelitian, pemikiran dan kajian analisis-kritis mengenai penelitian yang berfokus pada ilmu teknik mesin dan inovasi teknologi atau rekayasa dengan upaya serta semangat untuk menyebarluaskan hasil dari penelitian-penelitian yang bermanfaat bagi masyarakat. Selain itu, juga sebagai bahan kajian dan referensi akademisi dalam bidang ilmu teknik mesin dan inovasi teknologi.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 14 Documents
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Search results for , issue "Vol 2 No 1 (2022)" : 14 Documents clear
MODIFIKASI DONGKRAK BOTOL DAN TREKER UNTUK MELEPAS BEARING MOTOR LISTRIK Marjuki, Ismael; Helanianto, Helanianto; Polonia, Betti Ses Eka
Injection: Indonesian Journal of Vocational Mechanical Engineering Vol 2 No 1 (2022)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/injection.v2i1.1461

Abstract

This research modifies the bottle jack to remove the electric motor bearing of a water pump with a jackcapacity of 2 tons. Bottle jacks are generally used to lift vehicles such as cars. The bottle jack can be modified sothat it can be used as a bearing removal device. In general, the way to remove the bearing is still manual, namelyby hitting it. The purpose of making this tool is to make it easier to remove the water pump electric motor bearing.The working principle of this removal tool is to use hydraulic power as the driving force. Pushers from the bottomup on the water pump dynamo shaft and a tracker as a means of holding the bearing. The bearing holder is neededso that the bearing can be separated from the water pump dynamo shaft. The specifications of the tool are that ithas a height of 16 - 27 cm. The width of the tool is 6 cm and the maximum pressure capacity of the bottle jack is2 tons. The trial results of the bottle jack modification tool to remove the water pump electric motor bearingsobtained an average time of 45 seconds.
KARAKTERISTIK LENDUTAN RAKET TENIS AKIBAT KONTAK DENGAN BOLA Rubiono, Gatut; Mukhtar, Anas
Injection: Indonesian Journal of Vocational Mechanical Engineering Vol 2 No 1 (2022)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/injection.v2i1.1462

Abstract

The contact between ball and tennis racket is a collision phenomenon. The ball exerts a force on the racket which causes deflection. This study aims to obtain the deflection characteristics of a tennis racket due to ball contact. The research was conducted by experiment with Kinetic brand rackets. The racket is clamps on the grip. The ball used is Nassau brand with 0.058 kg of mass. Free fall is arranged 1, 2 and 3 meters heights, with 3 hitting points on racket string. The deflection measurement uses the pen method at 5 points on racket frame. Five points are arranged sequentially from the grip with 6 cm distance. Data collection was carried out with 3 repetitions to get average value. The deflection was measured using a caliper with 0.01 mm accuracy. The results show that the deflection has a linear characteristic and depends on the momentum of the ball.
PERENCANAAN PREVENTIVE MAINTENANCE MENGGUNAKAN METODE RELIABILITY PADA ELECTRICAL SISTEM AUXILIARY POWER UNIT BOEING 737-500 Taaqbier, Mohammed; Setiawan, Ferry; Anhar, Muh
Injection: Indonesian Journal of Vocational Mechanical Engineering Vol 2 No 1 (2022)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/injection.v2i1.1463

Abstract

The electrical system Auxiliary Power Unit on the Boeing 737-500 aircraft often experiences operational failure due to damage to the components in the system, this incident causes significant operational losses so that an appropriate maintenance method is needed to eliminate the factors that cause failure in the Electrical system Auxiliary Power Units. The purpose of this study is to plan preventive maintenance activities on the Electrical Auxiliary Power Unit system so that part damage that causes failure can be handled properly. The reliability method is calculated using the Weibull probability distribution so that the critical operating time limit is obtained on the Electrical Auxiliary Power Unit system. From the calculation results, the critical operational limit for the Electrical Auxiliary Power Unit system is 271 flight cycle with the main damage being the start relay component, with maintenance activities in the form of inspection, repair, testing and cleaning activities.
KAJIAN EKONOMI PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) BENUIS Normansyah, Normansyah
Injection: Indonesian Journal of Vocational Mechanical Engineering Vol 2 No 1 (2022)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/injection.v2i1.1488

Abstract

energy as a source of electrical energy, both solar, wind, hydro and other renewable energy sources, a potential source of uranium in Indonesia.What needs attention is how to design energy policies to use each type of energy optimally, so as to avoid over-exploitation of fossil energy on the one hand, and on the other hand prevent neglect of renewable energy sources. In an effort to overcome this, the central and regional governments have made new policies that encourage the use of renewable energy sources as an alternative to supplying electricity to rural communities.The aims and objectives of the Feasibility Study Preparation Activity for the Benuis Micro-hydro Power Plant (PLTMH) Benuis Village, Selimbau District are; Availability of technical documents that describe the detailed design of the PLTMH and the Budget Plan (RAB) for the Benuis PLTMH Benuis Village. As a proposal for the construction of network facilities and infrastructure electricity.

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