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INDONESIA
Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics)
Published by President University
ISSN : 25276212     EISSN : 25412876     DOI : -
Core Subject : Science, Engineering,
Energy Materials Science & Nanotechnology Mechanical Engineering Transportation
Journal of Mechanical Engineering and Mechatronics merupakan jurnal keilmuan bidang teknik mesin dan mechatronics yang memuat tulisan-tulisan ilmiah mengenai penelitian-penelitian murni dan terapan serta ulasan-ulasan umum tentang perkembangan teori, metode dan ilmu-ilmu terapan terkait.
Arjuna Subject : -
Articles 105 Documents
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CFD Analysis of Diverse Serrated Blade Configuration Effects on Fluid Flow of a Modified Centrifugal Fan Zaimar Zaimar
Journal of Mechanical Engineering and Mechatronics Vol 6, No 1 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i1.1246

Abstract

This paper presents the effects of the diverse serrated blade configurations on airflow characteristics of a modified centrifugal fan by CFD. This application is investigated to improve aerodynamic performance. These configurations (USB, ISB, USB, OSB) are simulated at the impeller speed levels by CFD. Then tested to analyze airflow characteristic values by ANCOVA test. The simulation results show that the BSB configuration achieves the high static pressures about 84.5-214.7 Pa in the wall zone. While the ISB generates the lower TKE in all the zones, except in the impeller zone. It produces about 0.51-12.47 m2s-2 TKE in the wall zone. The ANCOVA test results indicate that the effects of the impeller speed are very significant (a < 0.01) on the airflow characteristics in all the zones, except for static pressure is no significant (a > 0.05) in the impeller and fluid flow zone. The effect of the serrated blade configurations is very significant on static pressure in the inlet and wall zone, and significant (a < 0.05) in the fluid flow zone. While it is very significant to air velocity in the impeller, fluid flow, and wall zone, and very significant on TKE in the impeller zone and outlet zone.
Perhitungan Tahanan dan Daya Mesin pada Kapal Mini LNG berbasis Simulasi Numerik Kusnindar Priohutomo; Endah Suwarni
Journal of Mechanical Engineering and Mechatronics Vol 5, No 2 (2020): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v5i2.1017

Abstract

Kebutuhan akan kapal Mini LNG (small LNG carrier) di Indonesia semakin meningkat seiring dengan meningkatnya kebutuhan pasokan LNG dari LNG field ke pulau-pulau di Indonesia bagian timur. Distribusi LNG ke pulau-pulau di Indonesia bagian timur kurang efektif bila menggunakan kapal LNG yang berukuran besar karena tidak adanya infrastruktur pipa gas untuk menyalurkan LNG dari terminal LNG di pelabuhan ke pengguna. Dengan kapal mini LNG maka pendistibusian LNG bisa menggunakan tangki-tangki LNG kecil yang nantinya akan dibawa oleh kendaraan darat setelah kapal bersandar di pelabuhan. Untuk mendesain sebuah kapal mini LNG diperlukan berbagai macam perhitungan yang tepat agar nantinya kapal yang dibangun akan memiliki performa yang baik dan efisien. Salah satunya yang harus dihitung adalah tahanan kapal dan daya mesin yang akan dipasang. Pada paper ini kajian difokuskan pada perhitungan tahanan kapal dan daya mesin menggunakan metode simulasi numerik. Hasil dari paper ini untuk tahanan kapal pada kondisi full load sebesar 234,33 kN dan untuk kondisi half load memiliki tahanan sebesar 208,18 kN. BHP engine pada kondisi full load sebesar 2852,7 HP dan pada kondisi half load sebesar 2533,5 HP
Perencanaan Ulang Rem Cakram Roda Depan Pada Motor Honda Scoopy ESP FI 110cc Tahun 2017 Muhammad Rizqi Banuaji
Journal of Mechanical Engineering and Mechatronics Vol 6, No 1 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i1.1466

Abstract

Salah satu alat yang sangatlah penting dan vital dalam sebuah kendaraan adalah rem. Rem adalah perangkat mekanis yang menghambat gerakan dengan menyerap energi dari sistem yang bergerak [1]. Rem cakram mempunyai beberapa komponen primer yaitu piringan cakram, master rem, piston, selang rem, kaliper rem, & kampas rem. Rem cakram bekerja menggunakan menjepit piringan cakram yg umumnya dipasangkan dalam roda kendaraan, buat menjepit piringan cakram dipakai kaliper yg digerakkan sang piston buat mendorong sepatu rem (brake pads) ke piringan cakram. Oleh lantaran itu, perancangan & perhitungan dalam sistem rem cakram sangat penting agar memenuhi kriteria yg diperlukan dan bisa mengetahui keamanan dalam sistem rem tersebut, tetapi tidak mengabaikan segi ekonomisnya. Pada paper ini kajian difokuskan pada perhitungan besar gaya yang di transmisikan pada setiap proses pengereman dan juga menghitung umur dari kampas rem cakram pada motor honda scoopy ESP FI 110cc tahun 2017. Hasil dari paper ini memperoleh gaya tangan (Ftangan ) sebesar 15,14 Kgf, gaya piston (Fpiston ) sebesar 31,81 Kgf, gaya tekan piston pada kampas (F) sebesar 203,66 Kgf(2 kampas), gaya pengereman (???????? ) sebesar 69,71 Kgf. Dari hasil akhir yang di dapat dari perhitungan umur kampas rem cakram motor Honda Scoopy ESP FI 110cc yaitu selama 800 jam. Jika diasumsikan pemakaian kendaraan rata-rata 3 jam perhari, maka umur kampas rem cakram bisa bertahan selama 8,8 bulan.
Analysis of Planetary Gear of Toyota Rush AT 2012 Adam Fathlevi; Rudi Suhradi Rachmat; Azhari Sastranegara
Journal of Mechanical Engineering and Mechatronics Vol 5, No 2 (2020): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v5i2.994

Abstract

Gear is one of the most important part of power transmission system in a vehicle, and as the time goes by there possibly some failure happened on the gears. However, there is no information provided by car manufacturer regarding the life and the material of the gears. This report presents the analysis of the planetary gear used in Toyota Rush AT year made of 2012. The objectives of the research are: to study the planetary gear mechanism and how it works; to analyze the force and stress acting on the gears; and to select a suitable gear material that can withstand against the loads that happen on the gear. The research methodology is started with finding the gear dimension and gear ratio. The force acting on gear is calculated based on the torque and rotation speed provided in car specification. Then the selection material is carried out based on the amount of stress applied on the gear teeth that were calculated using AGMA standard formulation. Finally, the fatigue life prediction of the gears is calculated based on the previous stress acting on the gears. The calculation result suggested AISI 1050 steel as the selected gear material that can carry the bending stress of 476 MPa and categorized as low to high fatigue cycle.
Pengujian dan Analisis Lower Guard Frame pada Kendaraan Bak Terbuka Menggunakan Metode FEA Static Analysis Tono Sukarnoto; Ricky Harto Nugroho; Yusep Mujalis
Journal of Mechanical Engineering and Mechatronics Vol 6, No 1 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i1.1429

Abstract

Kementerian perhubungan dalam hal ini Direktorat Jenderal Perhubungan Darat mengeluarkan surat edaran Nomor: SE.2/AJ.307/DRJD/2018 yang mewajibkan pemasangan teralis pelindung bawah pada kendaraan barang dengan berak kotor maksimum 3500 kg. Pelindung ini untuk melindungi dinding belakang kabin dari dorongan muatan yang bergeser pada kondisi tertentu. Kendaraan pick up Daihatsu Himax awalnya belum dilengkapi dengan pelindung dimaksud. Untuk memenuhi surat edaran tersebut dibuatlah pelindung yang selanjutnya disebut lower guard frame (LGF). Penelitian ini mengevaluasi kinerja dari LGF terhadap beban Tarik dengan cara pengujian dan melakukan analisis kekuatan dengan metode elemen hingga. Hasilnya LGF cukup kuat untuk diaplikasikan serta terdapat perbedaan hasil yang signifikan antar pengujian dengan analisis metode elemen hingga.
PERHITUNGAN SISTEM HIDROLIK UNTUK PENGGERAK PISAU PADA MESIN PENGHAPUS MARKA JALAN Nanang Ali Sutisna; Muhammad Munajad
Journal of Mechanical Engineering and Mechatronics Vol 5, No 2 (2020): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v5i2.1250

Abstract

One of very important and vital tool in road marking is road mark erasing machines. In general, the machine used to repair road markings is a road marking erasing machine that is pushed manually. However, this machine has a disadvantage that requires a long time in the process of erasing the road marking, so making it less efficient. Therefore, the truck road mark erasing machine is one of the options to replace the erasing machine that is pushed manually. The machine uses a grinding system with a vertical blade eraser position and hydraulic power to drive the blades as it is able to withstand shock loads and thrust upwards due to the removal process, having overload protection, and the size of components are not large. The study started with doing observation to the existing manual erasing machine, then determining the required blades and calculating as well as selecting the required components of the hydraulic system.  Based on the calculation, the blade specification was obtained and selected, i.e surface milling cutter of type WFX12200R from Sumitomo Electric Hardmetal Corporation having rotation speed 750 rpm, hydraulic motor from Danfoss of type OMR-80 having torque 136 Nm dan displacement 80.3 cc/rev., and using hydraulic pump from Parker of type 0210 having displacement 21 cc/rev. From the test result in the field, this machine is three times faster than the manually pushed machine, less number of the blade used, and the engine as a resource on the machine is more durable.
Rancang Bangun Mesin Uji Universal Untuk Pengujian Tarik dan Tekuk Bertenaga Hidrolik Nanang Ali Sutisna
Journal of Mechanical Engineering and Mechatronics Vol 6, No 1 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i1.1481

Abstract

Universal Testing Machine or UTM (Universal Testing Machine) is a material testing machine that has more than one type of material testing. The purpose of this research is to design and analyze the strength of the UTM construction for tensile and bending tests. This machine uses a hydraulic jack as a power source to provide the required load. The design is limited to a load of 1.4 tons while the maximum construction load is 5 tons according to the hydraulic jack capacity. The method used in this study begins with a design using CAD and then analyzed with the finite element method. From the results of the analysis and evaluation, the designed tool can be used safely in accordance with the specifications used. The results showed that from the experimental results on the tensile and bending test specimens, both tests were successfully carried out. The tensile test was carried out with SUS 304 and SS400 with different thicknesses with dimensions according to ASTM E8 standards, while the bending test was carried out on ASTM A36 material with a size of 200 x 40 x 6 mm. After the test is carried out, the construction of the machine is checked for possible defects due to the test, namely the upper and lower clamps, punches and dies, and the engine frame. As a conclusion, after testing, it turns out that no damage or defects were found in all the parts examined
Pengaruh Jumlah Sudu 8, 12, 16 dan 20 terhadap Performa Hidro-Turbin Cross-Flow dengan sudut 15° Menggunakan Metode Computational Fluids Dynamics Dandun Mahesa Prabowoputra
Journal of Mechanical Engineering and Mechatronics Vol 6, No 2 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i2.1471

Abstract

Energi listrik merupakan kebutuhan primer dalam kehidupan sehari-hari. Perkembangan teknologi mengakibatkan meningkatnya kebutuhan energi listrik setiap tahunnya. Energi baru terbarukan memasok kebutuhan energi listrik nasional sebesar 14%. Di sisi lain, pemerintah mengharapkan komposisi energi baru terbarukan sebesar 23% hingga 31% pada tahun 2050. Hal ini menunjukan bahwa energi baru terbarukan masih memiliki gap yang cukup tinggi. Penelitian ini merupakan salah satu upaya dalam pengembangan energi baru terbarukan, terutama pada pembangkit listrik mikro-pico hidro. Penelitian ini dilakukan menggunakan metode Computational Fluid Dynamics menggunakan Aplikasi Ansys dengan CFX Solver. Penelitian dilakukan untuk mengetahui pengaruh jumlah sudu pada hidro-turbin cross-flow terhadap performa Coefficient of Power. Peneltian dilakukan pada rotor dengan dimensi diameter 80 mm, panjang 130 mm dan sudut sudu 15°. Variasi jumlah sudu dilakukan pada jumlah sudu 8, 12, 16, dan 20. Simulasi dilakukan pada steady state, dan menggunakan tipe turbulen Shear Stress Transport. Turbin cross-flow beroperasi pada kecepatan air 3m/s dengan kecepatan sudut pada interval 50 sampai 350 RPM.  Hasil menunjukan Coefficient of Power Maximum yang dihasilkan untuk sudu 8,12, 16 dan 20 adalah 10,8%; 14,1%; 16,8% dan 20,1%. Dari hasil tersebut menunjukan performa maksimal dihasilkan oleh hidro-turbin tipe cross-flow dengan jumlah sudu rotor 20.
EFFECT OF EXTRUSION PROCESS PARAMETERS ON MECHANICAL PROPERTIES OF 3D PRINTED PLA PRODUCT Nanang Ali Sutisna; Rakha Amrillah Fattah
Journal of Mechanical Engineering and Mechatronics Vol 6, No 2 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i2.1573

Abstract

The method of producing items through synchronously depositing material level by level, based on 3D digital models, is named Additive Manufacturing (AM) or 3D-printing. Amongs many AM methods, the Fused Deposition Modeling (FDM) technique along with PLA (Polylactic acid) material is commonly used in additive manufacturing. Until now, the mechanical properties of the AM components could not be calculated or estimated until they've been assembled and checked. In this work, a novel approach is suggested as to how the extrusion process affects the mechanical properties of the printed component to obtain how the parts can be manufactured or printed to achieve improved mechanical properties. This methodology is based on an experimental procedure in which the combination of parameters to achieve an optimal from a manufacturing experiment and its value can be determined, the results obtained show the effect of the extrusion process affects the mechanical properties.
AUTOMATED STORAGE AND RETRIEVAL SYSTEM AN ALTERNATIVE FOR LOGISTIC TRANSFORMATION TECHNOLOGY: A CASE STUDY Ardhi Bebi Laksono
Journal of Mechanical Engineering and Mechatronics Vol 6, No 2 (2021): JOURNAL OF MECHANICAL ENGINEERING AND MECHATRONICS
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jmem.v6i2.1550

Abstract

This research was taken at one of the mechanical engineering companies produces customize spare parts, special purposed machinery, automation system integrator and robotic installation. The company has problem high cost operation warehouse, need space expanding production line, stockopname problem, picking failure, high cycle time operation, logistic efficiency, and inventory cost. These problems have impact to company performance which need cost down, increase efficiency and productivity with minimum defect. The data has shown company needs additional 157m2 to expanding new line, has 4% picking defect, there is 200 million operational cost over, 150sec cycle time, 7% lost part and risk cyber data security. Due to the importance of the problem, the company needs to evaluate and solve the problem which has impact to company performance, especially in the warehouse. DMAIC (Define Measure Analyze Improve and Control) approach is applied to comprehensively explore the problem and comes out with alternatives solution. Two alternatives were developed. The criteria for selection used were i.e. cost; accuracy, security, safety, productivity, cycle time, and minimize defect It was concluded that the application of automated storage and retrieval system (ASRS) was selected as it dominates in many aspects compare to expanding the current one. This implementation of ASRS approved that this new system answers the current warehouse problem

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