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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Jurnal Teknik Mesin Rotasi AUSTENIT SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Sinergi Jurnal Teknologi Elektro VANOS Journal of Mechanical Engineering Education Jurnal Teknik Mesin Jurnal AME (Aplikasi Mekanika dan Energi): Jurnal Ilmiah Teknik Mesin Jurnal Teknik Mesin Indonesia International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) JTTM: Jurnal Terapan Teknik Mesin Jurnal UNITEK Journal of Scientech Research and Development Journal of the Community Development in Asia International Journal of Innovation in Mechanical Engineering and Advanced Materials Aceh International Journal of Science and Technology Innovative: Journal Of Social Science Research Almikanika
Muhamad Fitri
Universitas Mercu Buana
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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IMPLEMENTATION OF THE FINITE ELEMENT METHOD IN SOLIDWORKS TO OPTIMIZE THE FRONT CAST WHEEL DESIGN FOR MOTORCYCLES Rizki Nur Afami Kurniawan; Dedik Romahadi; Muhamad Fitri; Md Radwanul Karim
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 4, No 3 (2022)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v4i3.18794

Abstract

Cast wheel rims often experience damage that causes damage to the lip of the rim, or the spokes rupture if it supports the excessive load. The safety aspect is very important to be considered in the automotive industry because it involves the lives of passengers. Structural optimization of various vehicle components has shown that component weight strongly influences vehicle performance. Based on these problems, this research aims to design a lightweight cast wheel design model that can withstand a load of 535 N. So, it is necessary to make an analysis using a comparison of design models and material variations and static simulations using Solidworks 2018 software. The results sought are von mises, displacement, strain, a factor of safety, and produce a lightweight design. The simulation results on the three models are still safe in holding a load of 535 N because the value of the factor of safety is not less than 1. The results of the design mass with material variations are lighter than the original wheels.
Peningkatan Ulang Alat Uji Putar Kritis Poros Beban Menggunakan Metode VDI 2221 Glennart Sahat Rubian; Muhamad Fitri
JURNAL UNITEK Vol. 16 No. 1 (2023): Januari - Juni
Publisher : Sekolah Tinggi Teknologi Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52072/unitek.v16i1.563

Abstract

Mengukur titik putaran kritis suatu poros diperlukan suatu alat uji yang mampu menguji putaran kritis suatu poros dengan beberapa parameter yang dijadikan acuan pada saat proses pengujian seperti beban pada poros, panjang poros, sifat material poros dan juga diameter poros. Karenanya perlu dirancang dan dibuat sedemikian rupa alat uji putaran kritis poros yang lebih fleksibel. Proses modifikasi alat uji putaran kritis menggunakan metode VDI 2221 dengan metode ini dipilih agar proses modifikasi dan pembuatan alat ini dipilih yang paling efektif. Adapun spesifikasi model alat uji ini dengan disk, serta 2 macam poros dengan panjang 600mm dan 1000mm menggunakan parameter kecepatan 1000rpm, 2000rpm, 3000rpm, 4000rpm, 5000rpm, dan 6000rpm dengan 2 macam panjang poros 600 mm sampai 1000 mm, serta dapat memutar poros sampai dengan kecepatan 2750 rpm. Hasil dari penelitian ini adalah sebuah alat uji putaran kritis poros yang dapat menampilkan putaran kritis suatu poros serta dapat mengetahui defleksi yang terjadi saat terjadinya putaran kritis yang mana alat uji yang dibuat nantinya dapat digunakan sebagai alat praktikum ataupun penelitian mahasiswa dan juga bahkan penelitian dosen
PENGARUH PENGUAT MATERIAL ALTERNATIF SERBUK CANGKANG TELUR DAN SERAT IJUK TERHADAP KEKUATAN IMPAK KOMPOSIT RESIN EPOKSI Muhammad Edi Laksono; Muhamad Fitri; I Gusti Ayu Arwati
Journal of Scientech Research and Development Vol 6 No 1 (2024): JSRD, June 2024
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56670/jsrd.v6i1.314

Abstract

Dalam upaya menciptakan bahan material alternatif yang ramah lingkungan, penelitian ini bertujuan untuk mengetahui sifat mekanis komposit resin epoksi berpenguat material dari serbuk cangkang telur, serat ijuk dan campuran dari keduanya melalui pengujian impak. Melalui tinjauan literatur dari penelitian terdahulu, memperkuat gagasan bahwa bahan komposit alami memiliki potensi yang signigikan dalam aplikasi industri. Penelitian ini fokus pada interaksi antara serbuk cangkang telur dan serat ijuk dalam komposit resin epoksi serta kekurangan penelitian sebelumnya terkait kekuatan impak pada komposit polimer yang diperkuat cangkang telur. Metode eksperimen digunakan dengan membuat spesimen uji dan menguji kekuatan impak sesuai dengan standar ISO 179. Hasil pengujian menunjukkan bahwa komposit resin epoksi dengan serat ijuk memberikan harga impak terbesar, diikuti oleh komposit dengan campuran keduanya dan serbuk cangkang telur memiliki harga impak paling kecil. Campuran bahan penguat mempengaruhi besarnya harga impak. Penelitian ini memberikan kontribusi dalam pemahaman lebih lanjut tentang analisis sifat mekanis komposit resin dan memberikan wawasan praktis dalam pemanfaatan limbah alam sebagai bahan komposit ramah lingkungan untuk industri.
Becoming an International Brand: A Case Study of Starbucks Azriuddin, Muhammad; Kee, Daisy Mui Hung; Hafizzudin, Muhammad; Fitri, Muhamad; Zakwan, Muhammad Afiq; AlSanousi, Dalal; Kelpia, Aman; Kurniawan, Olivia
Journal of The Community Development in Asia Vol 3, No 1 (2020): Journal of The Community Development in Asia (JCDA)
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.616 KB) | DOI: 10.32535/jcda.v3i1.706

Abstract

This paper aims to investigate how Starbucks becomes the best coffee shop worldwide and how the organization overcomes its challenges and succeed to become an international brand. Starbucks is a popular coffee restaurant from the beginning but has just become a famous brand worldwide. Starbucks has over 20,000 stores in 62 countries around the world. In 1971 Starbucks opened its first store in Seattle’s Pike Place Market. Howard Schultz joins Starbucks as a director of Retail Operations and Marketing. Starbucks focuses on its mission “Inspire and nurture the human spirit-one person, one cup, and one neighbourhood at a time. Starbucks provides a variety of drinks from hot to cold, and foods. The most famous beverage is Frappuccino® Blended Beverages. Starbucks makes a beverage menu depending on the customer's request to meet their satisfaction. Starbucks emphasizes on high-quality service from the store environment to the work environment. Starbucks promotes its products through mass media such as advertising at the television, social media, billboards, and coupon card. The paper concludes with some recommendation.
Applying Bayesian networks in making intelligent applications for static and dynamic unbalance diagnosis Romahadi, Dedik; Fitri, Muhamad; Feriyanto, Dafit; Hidayat, Imam; Imran, Muhammad
IAES International Journal of Artificial Intelligence (IJ-AI) Vol 13, No 1: March 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijai.v13.i1.pp174-184

Abstract

One of the problems often encountered in vibration analysis is unbalanced or imbalanced, namely the occurrence of a shift in the center of mass from the center of rotation to cause high vibrations. Unbalance itself is divided into two, namely static and dynamic unbalance. Identification of the right type of unbalance must be done because each type of unbalance requires different handling. Therefore, this study aims to design a system to identify the type of unbalance based on the required parameters. The system design determines the input and then builds an algorithm by combining vibration analysis methods and Bayesian networks (BN). Systems and applications are built using MATLAB. After the application is finished, testing is carried out using vibration measurement data obtained from a demo machine that has previously been conditioned for damage. The BN method has been successfully applied to the unbalance diagnosis system. When there is evidence of large amplitude in 1X the frequency spectrum and the value of the static phase range, the percentage of static unbalance from 26.8% increases to 75%. The system can predict all testing data quickly and precisely for the six experiments.
RESEARCH REVIEW ON THE DESIGN OF FLOW LOSS TEST EQUIPMENT IN PIPE INSTALLATIONS Fadila, Muhammad Afif; Afrian, Roni; Fitri, Muhamad
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 13, No 3 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v13i3.16960

Abstract

This literature review study is motivated by the important role of the piping system in determining production results in an industry. The fluid flowing through the piping system experiences instability, resulting in Head Losses. As a result, the fluid pressure is lower than desired, resulting in suboptimal system performance. The aim of this study is to identify a research gap concerning a review of the design of Head Losses test equipment that has been made by previous researchers. The analysis was conducted by literature review using the systematic literature review (SLR) method. Based on a review from 30 journal, it was found that to design a head losses test equipment in a pipe installation, a person must have a basic knowledge of fluid mechanics. Furthermore, an understanding of the function of pumps, pipe installations, pressure gauges, and measuring instruments that are part of the functional system in this test equipment is required. These are the author's references for designing flow loss test equipment that will be used in the Mechanical Engineering Laboratory at Mercu Buana University's Faculty of Engineering.
Analysis of dies material strength in the blade screw conveyor bending process Muhammad Rizky Imaduddin; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1190

Abstract

Screw conveyor is one of material transport equipment in transport bulk materials. When damage will affect the next stage of the production process, a solution in the form of a tool is needed that shortens the fabrication process time of Screw Conveyor, utilizing the pressure from hydraulic cylinder ex excavator against die as the base. To ensure that the tool is able to work optimally with the load received from the hydraulic cylinder pressure 100 tons and upper die 60.28 kg, it is necessary to carry out research using the Finite Element Analysis method of Solidworks Simulation software on material strength of screw conveyor blade bending dies from parameters safety factor and yield strength of Von Misses method with material used is ASTM A36. This research is concluded that strength of die bending blade screw conveyor material which has been made with wall thickness 8 mm meets the requirements with load 981591.347 N, has a maximum stress value using the Von Misses yield strength method of 59 N/mm2 in Solidworks simulation and 48.959 N/mm2 in manual calculations, this value is lower than maximum allowable stress 83.333 N/mm2, maximum displacement value is 0.300 mm, 8 mm wall configuration meets the requirements because it has value 0.108 mm in Solidworks simulation and 0.098 mm in manual calculation. Safety factor value obtained is 4.086, which meets the requirements 3. So that from this research it can be ascertained the ability of the die when given a load of 100 tons during the bending process
Safety device strength analysis during repair of cylinder loader up down curing machine Rizky Fajar Sutrimo; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1201

Abstract

While repairing the up-down loader cylinder by the tire company engineering team, a work accident occurred. The loader fell due to movement when releasing the loader cylinder and the loader load which was hanging on the nok, because it was not strong enough to support the loader, the nok fell off followed by the loader dropping. So then the engineering team installed a safety device to withstand the load of the loader if something similar happened, but until now its strength has not been tested. The aim of this research is to analyze the strength of the safety device installed on the loader using calculation analysis and test simulations with Finite Element Analysis (FEA). The research began with collecting load data received by the safety device, then carrying out theoretical calculation analysis and simulations using Solidwork software. And the result it by calculating maximum bending stress is 63,30 N/mm2 . Meanwhile, for the strength of the welded joint 424,05 kN, while the actual load received by the welded joint is 6806,891 N. So it can be stated that the welded joint is safe. In the loading simulation using Solidwork software, the maximum stress (57,279 N/mm2), the maximum deformation (0.036mm), and the FOS (4,365). Safety loaders with ASTM A36 material are declared safe because the FOS value is > 2 (safety factor based on static load)
Static structure analysis of EMU CR400AF high speed train’s hollow axle using ansys workbench Tito Syahril Sobarudin Izha Mahendra; Muhamad Fitri
JTTM : Jurnal Terapan Teknik Mesin Vol 6 No 1 (2025): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v6i1.1206

Abstract

One of the important components in a train is the wheel axle part whose main function is to distribute the load on the train body to the wheels towards the rails. On conventional trains, train wheel axles still often have material failures in the form of cracks and even breaks. The wheel shaft used by conventional trains is solid while the one used in the fast train uses a hollow axle so that the risk is greater. To confirm and confirm the strength of the hollow axle structure, it is necessary to analyze the structure of the hollow axle when receiving static loading due to the load of the train body. The parameters measured are maximum stress, safety of factor, and maximum deformation. The analysis process is carried out using manual theoretical calculations and simulations with finite element methods using ANSYS Workbench software. In the theoretical calculation, the maximum stress value is 59.71 MPa and the safety factor value is 8.87, and the simulation results get a maximum stress of 62.02 MPa, a safety factor value of 8.54, and the maximum deformation that occurs is only 0.086mm. The difference from the theoretical calculation and simulation of the maximum stress and safety of the factor was 3.70% and 3.72%. Based on the results obtained, it can be concluded that the hollow axle is safe because the maximum stress < the material allowable voltage and the safety of factor (SF) value < the material standard value of 4,5
ANALISIS PEMILIHAN KOMPONEN UTAMA MESIN PRESS KOMPAKSI METALURGI SERBUK UNTUK KAPASITAS 10 TON Sitanggang, Maria Nelly Aprilianti; Silvia, Vika; Fitri, Muhamad
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 12, No 3 (2023)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v12i3.21410

Abstract

Dalam memenuhi kebutuhan pasar yang menginginkan kualitas tinggi Mesin Press  yang bermutu dengan harga yang ekonomis maka dilakukan analisis pemilihan komponen utama pada mesin agar Kualitas dari mesin press kompaksi diharapkan dapat mengungguli produk yang sudah ada di pasaran. Selain itu dengan adanya analisis pemilihan komponen ini kualitas produk ini diharapkan dapat mengungguli dari segi kualitas produk dan harga mesin press kompaksi lainnya. Pada penelitian ini difokuskan pada evaluasi kualitas produk dan kemampuan mesin press kompaksi. Pembuatan mesin Press Kompaksi yang tidak didesain (dirancang) terlebih dahulu akan  menjadi try an error (coba-coba) sehingga membuang biaya dan membuang waktu. sedangkan proses desain yang tidak menggunakan metode perancangan akan Menjadi Sulit dan tidak sederhana. Tujuan penelitian ini untuk Melakukan Analisis pemilihan komponen Mesin press kompaksi metalurgi serbuk dan mengkaji serta membuat sketsa desain alat untuk kemudian dianalisis komponen-komponenya yang dapat memenuhi spesifikasi untuk produksi alat. Hasil yang diharapkan dari penelitian ini adalah spesifikasi komponen yang tepat, sehingga desain mesin press kompaksi Metalurgi Serbuk yang dibuat sudah lengkap dengan jenis Material yang digunakan pada desain mesin tersebut.
Co-Authors Abdul Hamid Afrian, Roni Agus Hermawan Agus Wibowo Ahmad Supendi AlSanousi, Dalal Alvian, Lutfi Aman Kelpia Andi Firdaus Sudarma Anton Heriawan Anugrah, Hasan Ardian, Rifky Dwi Arief, Sulaiman Azharuddin Azharuddin, Azharuddin Azizi, M Azizi, Muhammad Azriuddin, Muhammad Bambang Sukiyono Bustomi, Muhammad Ardi Dafit Feriyanto Daisy Mui Hung Kee Dalal AlSanousi Damanik, Fadth Rizky Darwin Sebayang Darwin Sebayang Dedik Romahadi Deni Shidqi Khaerudini Dimas Dwi Saputra Fadila, Muhammad Afif Fajar Anggara Frelly Rizqiansyah Glennart Sahat Rubian Hadi Pranoto Hafidz Salafuddin Hafizzudin, Muhammad Hanifi, Rizal I Gusti Ayu Arwati Imam Hidayat Imam Hidayat Iqbal Risyuma Irawan Malik kara, Reksi Bagas Kee, Daisy Mui Hung Kelpia, Aman Khariri, Muhamad Ervin Kurniawan, Olivia Kurniawan, Rizki Nur Afami M. Azizi Mahendra, Tito Syahril Sobarudin Izha Martua Limido Simanjuntak Maulana Yusuf Md Radwanul Karim Mizan, Adlan Mohamad Abror Muhammad Afiq Zakwan Muhammad Azriuddin Muhammad Edi Laksono Muhammad Hafizzudin Muhammad Imran Muhammad Rizky Imaduddin Noviana, Agus Nurato Nurato Nurato Nurato, Nurato Nurgiansyah, Rama Okki Khusnul Mahmudin Oktaviani, Ana Nur Olivia Kurniawan Pradipta, Nanang K. Pramana, Putratama Aziz Pratama, Andrie Putra Ramadhan, Fajar Gilang R Dwi Pudji Susilo Rafi, Muhammad Miftah Rizki Nur Afami Kurniawan Rizky Fajar Sutrimo Rofiqie, Ahmad Rohmatulloh, Izzi Romahadi, Dedik S. Mahzan Santoso, Dwi Adi Shahruddin Mahzan Shahruddin Mahzan Shahruddin Mahzan Silvia, Vika Sitanggang, Maria Nelly Aprilianti Sudarma, Andi Firdaus Susilo, R Dwi Pudji Susilo, R. Dwi Pudji Tarigan, Kontan Tito Syahril Sobarudin Izha Mahendra Wermasaubun, Hendrikus Wibowo, Agus Setiawan Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Wirawanto, Teguh Yafiq, Muhammad Sulthan Yudhistira, Gilang Awan Zakaria Zakaria Zakwan, Muhammad Afiq