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All Journal Rekayasa Mesin Jurnal Rekayasa Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Mekanika: Majalah Ilmiah Mekanika Jurnal Energi dan Teknologi Manufaktur Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Otopro G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Polinema Kepada Masyarakat Journal of Engineering and Applied Technology Eksergi: Jurnal Teknik Energi Jurnal Manajemen Bisnis Transportasi dan Logistik Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Pengabdian Kepada Masyarakat Ceria Journal of Evrimata: Engineering and Physics Criksetra: Jurnal Pendidikan Sejarah JURNAL LINTAS KARSA
Muhammad Fakhruddin
Politeknik Negeri Malang
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Pelatihan Dan Pembuatan Mesin Pencacah Rumput Konstruksi Kayu Untuk Pengolahan Pakan Ternak Kambing Di Desa Pakis Kecamatan Durenan Imam Mashudi; Muhammad Fakhruddin; Agus Hardjito; Mochamad Muzaki; Elka Faizal; Agus Harijono
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 9 No. 2 (2022): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v9i2.174

Abstract

Potensi sumber alam di lingkungan sekitar berupa ketersediaan sumber makanan kambing yang melimpah RT04/RW2, Desa Pakis, Kecamatan Durenan, Kabupaten Trenggalek, telah mulai dimanfaatkan oleh mitra untuk usaha pemeliharaan kambing sebagai upaya dalam meningkatkan kemampuan ekonomi rumah tangga. Dari proses pemeliharaan yang baik dan ketersediaan sumber makanan yang melimpah, sampai dengan sekarang sudah berhasil dibudidayakan 12 ekor kambing yang masuk pada katagori peternakan kambing skala mikro. Usaha ini cukup memberikan kontribusi yang baik untuk meningkatkan kondisi perekonomian keluarga dalam memenuhi kebutuhannya. Dalam perjalanannya, dalam menekuni usaha ini, ditemui kendala utama yang menghambat kemajuan dari usaha ini, yaitu kendala kurang idealnya pencacah rumput yang ada untuk dapat mendukung keberhasilan usaha tsb. Kegiatan yang menyita cukup banyak waktu untuk mencukupi kebutuhan pakan kambing yang disebut tiada hari tanpa ngarit (mencari pakan) menjadi kendala utama. Kondisi ini memberikan kesempatan yang sempit bagi mitra untuk memikirkan merintis dan merealisasikan usaha-usaha baru lainnya atau untuk berpatisipasi dalam kegiatan sosial lainnya. Sebagai solusinya kepada mitra diberikan pelatihan untuk membuat mesin pencacah kecil, sederhana, murah, terbuat dari konstruksi utama kayu yang mampu memenuhi kebutuhan pengolahan pengawetan sebagian pakan ternak kambingnya yang nantinya dapat dipakankan pada waktu yang dapat dijadwalkan. Dengan itu, mitra dapat memiliki waktu luang untuk dapat meiliki peluang yang lebih besar untuk memikirkan dan merealisasikan rintisan usaha laian atau paling tidak mitra memiliki waktu yang lebih leluasa untuk keluarga. Sebagai solusinya kepada mitra diberikan pelatihan untuk merancang dan membuat pencacah rumput yang ideal dengan mengacu kepada konsep desain yang kompak dan hemat daya serta memberikan manfaat pada kemudahan penggunaannya.
Pengaruh Fraksi Volume Terhadap Sifat Mekanis Komposit Forged Fiberglass Metode Compression Mould Muhammad Fakhruddin; Imam Mashudi; Mochamad Muzaki; Hilmi Iman Firmansyah; Bayu Pranoto; Hangga Wicaksono
Jurnal Energi dan Teknologi Manufaktur Vol 5 No 02 (2022)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v5i02.134

Abstract

Fiber-reinforced composites can be classified into two parts, namely short fiber composites and long fiber composites. Long fibers are stronger than short fibers. Long fiber (continuous fiber) is more efficient in laying than short fiber but short fiber is easier to lay than long fiber. Fiber length affects the processability of the fiber composite. Judging from the theory, long fibers can continue the load and stress from the stress point to the other fiber. In this study, the volume of chopped glass fiber composite with random matrix direction was varied with respect to polyester resin. Making forged fiberglass composites with the press mold method to minimize the occurrence of air bubbles during the composite molding process. Testing the mechanical properties of the forged fiberglass composite using the three-point bending and tensile testing methods. The expected result is the variation of the volume fraction of random chopped glass fiber to polyester resin. The TKT to be achieved from this research is TKT level 3, which is an analytical study that supports the prediction of the performance of the effect of the volume fraction between glass fiber and resin on the mechanical properties of the tensile and bending strength of forged glass fiber composites
Analisis Kapasitas Spesifik Simetris dan Asimetris Coin Cell Superkapasitor menggunakan Reduksi Graphene Oksida dan Doping Boron Graphene Nurlia Pramita Sari; Muhammad Fakhruddin; Mochamad Muzaki; Hangga Wicaksono; Andita N.F. Ganda; Yanuar Rohmat Aji Pradana
G-Tech: Jurnal Teknologi Terapan Vol 7 No 2 (2023): G-Tech, Vol. 7 No. 2 April 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.88 KB) | DOI: 10.33379/gtech.v7i2.2344

Abstract

Superkapasitor banyak diteliti karena kepadatan dayanya yang tinggi, siklus hidup yang panjang, dan fungsinya yang memiliki output daya tinggi dan yang memiliki penyimpanan energi tinggi. Graphene memiliki luas permukaan spesifik yang besar dan konduktifitas elektrik yang tinggi sehingga baik digunakan sebagai elektroda pada coin cell superkapasitor. Boron dinilai sebagai unsur kimia yang baik sebagai bahan dopan. Artikel ini bertujuan untuk menganalisa penggunaan reduksi graphene oksida dan doping boron graphene oksida sebagai bahan elektroda dari asimetris dan simetris coin cell superkapasitor. Metode yang digunakan adalah eksperimental dengan reduksi graphene oksida dan doping boron graphene yang digunakan sebagai katoda dan anoda coin cell superkapasitor. Pereduksian dilakukan dengan proses pirolisis dalam atmosfer argon dan hidrogen pada temperatur tinggi. Hasilnya menunjukkan graphene dapat didoping menggunakan boron dan dapat digunakan sebagai elektroda (katoda dan anoda) pada coin cell simetris dan asimetris. Nilai kapasitas coin cell asimetris merupakan nilai pertengahan dari coin cell simetris dari bahan katoda dan anodanya.
Prototype Design of E-BMX 2000 Watt Electric Motorcycle Utsman Syah Amrullah; Rilis Eka Perkasa; Muhammad Fakhruddin
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 1 (2023): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i1.55-61

Abstract

Limited supplies of fossil fuels such as gasoline, diesel and LPG resulting in vehicles that use internal combustion would be abandoned and replaced by electric vehicles. There have been many coverages that have reviewed the advantages of electric vehicles, where the advantages of electric vehicles include simple mechanical components, relatively low pollution, low noise levels, and could become a solution for future vehicles for an environmentally friendly life. This study aims to design and build a motorcycle prototype, a work which includes the design and manufacture of a BMX type motorcycle frame powered by a 2000 watt BLDC motor power, and testing the performance of the prototype using dynotest and compared to conventional motorcycles to compare the performance characteristics of both motorcycle. The frame is designed using Solidworks, then manufactured by cutting, bending, drilling, welding, and painting process. Mechanical components include frames that use mild steel pipes with diameter of 1.5 inches and thickness of 1.2 mm. Other mechanical components use components available on the market, such as headsets, front forks, disc brakes, hydraulic caliper brakes, and wheel assemblies. The electrical components used are 48V 2000-watt QS Motor, 60V 15 Ah Lithium battery, Yuyangking 80A controller and electric gas throttle with voltage indicator. The results of the dynotest show that the maximum torque reaches 204 NM (roller) which is achieved at 976 rpm. The maximum speed reaches 69.7 Km/hour. The range of the single-charged battery could cover a distance of 30 km. The characteristic of 2000 Watt E-BMX is very powerful at low revs and stable at high revs, shown by achieving maximum torque at low RPM. To save battery life, it is necessary to limit the remaining voltage, which is done at 55 Volts, so that the battery do not completely run out. It could be concluded that electric motorcycle developed in this study is suitable for use in urban areas (paved tracks or light off-road) with determined mileage and the path travelled, and battery management is needed so the battery does not run out in the middle of a trip.  
Analisis Pengaruh Variasi Beda Potensial dan Waktu Proses Anodizing terhadap Karakteristik Lapisan Oksida Aluminium 6061 Muzaki, Mochamad; Mashudi, Imam; Fakhruddin, Muhammad; Anwar, Abdul Muid; Paranata, Rake Aji Nugraha; Wiganata, Gading
Jurnal Rekayasa Mesin Vol 17, No 1 (2022): Volume 17, Nomor 1, April 2022
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v17i1.3020

Abstract

Permasalahan mendasar dari proses anodizing aluminium adalah hilangnya sifat konduktivitas listrik dari aluminium. Artinya aluminium akan bersifat isolatif, hal ini akan mengakibatkan terjadinya listrik statis dari aluminium untuk penggunaan aplikasi tertentu seperti pesawat terbang, komponen otomotif, ataupun komponen elektronik. Dalam penelitian ini diharapkan mendapatkan lapisan oksida dengan nilai isolator yang rendah. Dalam penelitian ini dilakukan investigasi parameter proses anodizing, dalam hal ini waktu proses dan beda potensial, untuk mendapat ketebalan lapisan oksida yang stabil, namun sifat isolatifnya rendah. Waktu proses yang dipilih adalah 25, 30, 35, 40, dan 45 menit. Sedangkan beda potensial yang dipilih adalah 7, 8, 9, 10, dan 11 Volt. Aluminium 6061 hasil anodizing dengan parameter proses tersebut selanjutnya diuji sifat isolatornya, ketebalan lapisan, dan morfologi lapisan yang terbentuk dengan menggunakan mikroskop SEM. Hasil analisis menggunakan anova dua arah menunjukkan beda potensial dan waktu proses memiliki pengaruh signifikan terhadap ketebalan lapisan film alumina yang terbentuk. Sementara itu lapisan film alumina bersifat isolatif ketika menerima tegangan sebesar 250 Volt dan bersifat konduktif ketika menerima tegangan di atas 500 Volt. Pengamatan morfologi permukaan lapisan menggunakan SEM menunjukkan lapisan pori yang terbentuk belum merata.
Pelatihan dan Pemasangan Cermin Tikungan di Baran Genitri Desa Kedungrejo Kecamatan Pakis Kabupaten Malang Nurlia Sari; Mochamad Muzaki; Sulistyono; Nike N.F; Muhammad Fakhruddin; Hilmi Iman Firmansyah
Jurnal Pengabdian Kepada Masyarakat Ceria (JPKMC) Vol. 1 No. 1 (2023): Jurnal Pengabdian Kepada Masyarakat Ceria (JPKMC)
Publisher : PT. Gelora Cipta Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61674/jpkmc.v1i1.12

Abstract

Di Baran Genitri Desa Kedungrejo Kecamatan Pakis Kabupaten Malang, terdapat satu jalan utama yang menghubungkan setiap gang. Karena sangat pentingnya peran jalan tersebut sehingga kondisi jalan tersebut harus dapat mengakomodasi kebutuhan masyarakat. Pada daerah tersebut, sering terjadi kecelakaan sehingga terdapat beberapa titik bahaya yang harus ditangani. Kondisi jalan utama yang berbelok belok dan jalan berlubang menyebabkan titik bahaya. Titik tersebut salah satunya tikungan tajam yang terhalang rumput dan lahan tebu serta tembok/pagar rumah warga, sehingga ruas jalan berikutnya setelah tikungan tidak terlihat. Berdasarkan analisis situasi dan permasalahn yang dihadapi, solusi yang timbul yaitu pemasangan cermin tikungan untuk meningkatkan jarak pandang di titik persimpangan/ kelokan pada jalan utama. Metode yang digunakan pada kegiatan pengabdian dimasyarakat ini antara lain (1) Pemetaan kondisi (2) Persiapan (3) Edukasi (4) Pemasangan. Pada program PPM ini akan dihasilkan produk hasil berupa 4 buah cermin tikungan yang dipasang di tikungan jalan utama Baran Genitri selaku mitra. Dengan adanya cermin jalan ini diharapkan dapat menurunkan angka kecelakaan yang terjadi pada kelokan/tikungan tersebut.
PENGARUH JUMLAH DAN ARAH SAYATAN TERHADAP HASIL MILLING ALUMINIUM Nurlia Sari; Akhmad Faizin; Muhammad Fakhruddin; Agus Dani
Otopro Vol 19 No 1 Nov 2023
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v19n1.p40-44

Abstract

The quality of production goods, especially milling on aluminum material, is considered good if it is characterized by good surface quality of the components and efficient (short) machining time. There are various factors that affect this. This study investigated the CNC milling machining parameters, namely depth of cut and step over, which were written as the influence of the number and direction of cuts on the surface quality and machining time of aluminum materials. The purpose was to obtain the appropriate parameters so that the machining process is more efficient and with the appropriate quality. The CNC milling used was CNC Dahlih with a 6mm diameter tool, feed rate of 460 mm/min, and rotational speed of 2800 RPM. The variables were vertical cutting direction (depth of cut 5mm) with variations in step over of 0.5 mm, 1 mm, and 2 mm, and horizontal cutting direction (step over 5mm) with variations in depth of cut of 0.5mm, 1mm, and 2mm. So that the number of cuts can be equalized to 4, 6, and 12 in the vertical and horizontal cutting directions. The results showed that the more cuts, the lower the surface roughness, but it increased the machining time. 
SIMULATION OF THE INFLUENCE OF FIBER VOLUME FRACTION AND FIBER ORIENTATION ON THE STRENGTH OF POLYESTER COMPOSITE REINFORCED WITH GLASS FIBER IN BENDING STRENGTH Fakhruddin, Muhammad; Mashudi, Imam; Pramita Sari, Nurlia; Widhi Supriyanto, Nicky Suwandhy
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 24 No. 2 (2024): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v24i2.79-86

Abstract

Fiber-reinforced composites can be classified into two parts, namely short fiber composites and long fiber composites. Long fibers are generally stronger than short fibers. Long fiber (continuous fiber) is more efficient in laying than short fiber but short fiber is easier to lay than long fiber. Fiber length affects the processability of the fiber composite. Judging from the theory, long fibers can transfer the load and stress from the stress point to the other fiber. In this research, we simulated the effects of volume fraction and fiber orientation in glass fiber-reinforced polyester composites on bending strength to examine the effect of each parameter on the mechanical properties of glass fiber composites. The mechanical properties of the composite were tested using the three-point bending and tensile testing methods. The study expects to find variations in mechanical properties with changes in the glass fiber volume fraction and fiber orientation. In this study, it is planned to function in a relevant environment, the components in this study must be able to operate properly and have been well integrated with prototype manufacturing that has been tested as a test tool function. Notably, the pinnacle of the bending test, measuring 170.41 MPa, was achieved at the specific combination of a 0.5 Fiber Volume Fraction and the 0-90o fiber orientation.
Effect of Volume Fraction and Matrix of Forged Fibreglass Composite on Wear Rate for Brake Pad Application Wihardias, Angga Faisal; Fakhruddin, Muhammad; Muzaki, Mochamad; Pramita Sari, Nurlia
Journal of Engineering and Applied Technology Vol. 6 No. 01 (2025): (March)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v6i01.76251

Abstract

Brake pads are one of the components of motorised vehicles that play an important role in slowing down or stopping the vehicle. This study aims to determine the effect of using variations in volume fraction and type of resin/matrix used on the wear rate that occurs, and the temperature generated during braking by utilising glass fibre as reinforcement. The research method uses experiments where the manufacture of brake pads composites was carried out by mixing all the ingredients then poured in a mold with a curing time of 1 day and the next process was testing using a disc brake system braking simulator and a thermal imaging camera with a variation in the percentage of glass fiber 45%, 55%, 65%, 75% and the type of resin used was epoxy resin and polyester. The results of this study indicate the effect of the type of resin/matrix used on the value of the wear rate that occurs. The test results show that the smallest wear rate is owned by specimen code D of 0.000000081 g/mm2.second with epoxy as the type of resin used. Then the largest wear rate is owned by specimen A1 of 0.000000154 g/mm2.second with polyester as the type of resin. It can be concluded that the higher the density of the polymer material, the lower the wear rate. It is expected that the composite brake pads have improved physical and mechanical properties that are better than the original brake pads.
OPTIMASI AERODINAMIKA BODI MOBIL HEMAT ENERGI KEN DEDES ELECTRIC EVO 3 MENGGUNAKAN METODE COMPUTATIONAL FLUID DYNAMICS (CFD) Fakhruddin, Muhammad; Wicaksono, Hangga; Baananto, Fauzan; Firmansyah, Hilmi Iman; Sari, Nurlia Pramita; Muzaki, Mochamad; Akbarsyah D, Khelvindra Rizky; Hardyanto, Noveri Dwi
Eksergi Vol. 17 No. 1 (2021): JANUARI 2021
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.999 KB) | DOI: 10.32497/eksergi.v17i1.2219

Abstract

Aerodynamics is a branch of science that discusses the movement of an object in the air. Aerodynamics comes from the words aero = air and dynamics = force of motion. The study of air forces is a branch of fluid mechanics. This study is a continuation of the study of hydrodynamics, where the science of the motion of air has a close relationship with other sciences. Physics, mathematics, mechanics, meteorology and others are branches of science that are closely related to aerodynamics. Where in the science of aerodynamics, it discusses the principle of stationary air, specifically about the changes experienced by the air when there is a change in geometry. In this study, CFD analysis was carried out to inspect and optimize the airflow through the energy-efficient car body "Ken dedes Evo 3" Malang State Polytechnic to participate in energy-efficient car competitions by following the regulations and packaging requirements in energy-efficient car contests. The aerodynamic analysis of the energy-efficient car was carried out using the ANSYS simulation software. This aerodynamic research aims to reduce the drag coefficient and lift coefficient of energy-efficient cars. In the end, the energy-efficient car Ken Dedes Electric Evo 3 has an improved drag coefficient of 0.03 and a lift coefficient of 0.034. This is obtained from the simulation only on the car body.
Co-Authors Adjie Yoga Pratama Agus Dani Agus Hardjito Agus Harijono Akbarsyah D, Khelvindra Rizky Akhmad Faizin Amrullah, Utsman Syah Andita N.F. Ganda Anindito Purnowidodo Anwar, Abdul Muid Asrori Asrori Auzini Widyasari BAYU PRANOTO Bayu Pranoto Chandra Gunawan Choiron, Mochammad Agus Eko Yudiyanto Elka Faizal Faizin, Akhamd Farhan Nugraha Farid, Muhamad Fauzan Baananto Gunawan, Chandra Hangga Wicaksono Hardyanto, Noveri Dwi Hilmi Iman Firmansyah Humaidi Imam Mashudi Imam Mashudi, Imam Kasijanto Kasijanto Kris Witono Listiyono Listiyono Maskuri Maskuri Moch. Agus Choiron Moh. Nasir Hariyanto Muzaki, Mochamad Nicky Suwandhy Widhi Supriyanto Nike N.F Nugroho, Pipit Wahyu Nurlia Pramita Sari Paranata, Rake Aji Nugraha Pradana, Yanuar Rohmat Aji Pramita Sari, Nurlia Pranoto, Bayu Purwoko Rafik Djoenaidi Raga, Paulus Rilis Eka Perkasa Sadar Wahjudi Sari, Nurlia Pramita Satworo Adiwidodo Sugeng Hadi Susilo Sulistyono Sulistyono Sulistyono Sulistyono VERONICA VERONICA Wicaksono, Hangga Wiganata, Gading Wihardias, Angga Faisal Wirawan