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Yanuar Burhanuddin
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Gd. H Lt.2 Jurusan Teknik Mesin Fakultas Teknik Universitas Lampung Jl. Prof. Soemantri Brojonegoro No.1 Bandar Lampung
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Jurnal Mechanical
Published by Universitas Lampung
ISSN : 20871880     EISSN : 24601888     DOI : https://doi.org/10.2960/mech
Core Subject : Science, Engineering,
Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Jurnal Mechanical (eISSN 2460 1888 and pISSN 2087 1880), is a peer-reviewed journal that publishes scientific articles from the disciplines of mechanical engineering, which includes the field of study (peer) material, production and manufacturing, construction and energy conversion. Articles published in the journal Mechanical include results of original scientific research (original), and a scientific review article (review). Mechanical journal published by University of Lampung and managed by Department of Mechanical Engineering, Faculty of Engineering for publishing two periods a year, in March and September .
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
 1 
Search results for , issue "Vol 16 No 2 (2025): JURNAL MECHANICAL" : 5 Documents clear
Analisis laju keausan umur pakai slide plate bearing block pada grate cooler di Pabrik Semen Baturaja II Napitu, Josua Riscyando; Badaruddin, Mohammad
JURNAL MECHANICAL Vol 16 No 2 (2025): JURNAL MECHANICAL
Publisher : Fakultas Teknik, Universitas Lampung

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Abstract

Grate cooler merupakan jenis clinker cooler yang digunakan PT. Semen Baturaja Tbk untuk mendinginkan clinker dengan cara mengembuskan udara ke permukaan lapisan clinker diatas permukaan grate plate. Untuk menjalankan fungsinya, grate cooler memiliki beberapa bagian, seperti polytrack, casing, fan, air blaster, clinker crusser, dan apron conveyor. Slide plate adalah pelat atau batang dengan ketebalan tertentu yang berfungsi sebagai bantalan pada drive polytrack grate cooler. Slide plate sering mengalami keausan karena mengalami gesekan dengan slide rail, temperatur kerja yang tinggi serta menahan beban yang berat. Keausan slide plate dapat mempengaruhi kinerja drive polytrack yang menyebabkan terjadinya penumpukan material pada permukaan grate plate. Pada penelitian ini, pengumpulan data dilakukan dengan mengumpulkan data spesifikasi dimensi slide plate. Pengambilan data dilakukan dengan pengukuran sampel dan wawancara operator. Pengukuran dimensi slide plate dilakukan secara langsung menggunakan jangka sorong. Selain pengukuran dimensi, juga dilakukan pengukuran massa dari slide plate menggunakan timbangan digital. Berdasarkan hasil perhitungan laju keausan di ketahui bahwa laju keausan slide plate berbeda beda setiap track. Laju keausan tertinggi terdapat pada track 4 (G1T4) sebesar 1,03 × 10-6 g/mm2.jam. Sedangkan laju keausan terkecil terdapat pada track 6 (G1T6) dan track 8 (G1T8) yaitu sebesar 8,54 × 10-7 g/mm2.jam. Keausan yang terjadi adalah keausan adesif dan keausan abrasif. Faktor-faktor yang mempengaruhi keausan yaitu pola operasi, temperatur kerja, jumlah waktu yang digunakan alat selama operasi, keausan yang disebabkan oleh bahan yang digunakan, dan keausan yang disebabkan oleh material asing yang jatuh kepermukaan slide plate.
Development of Sustainable Manufacturing Processes for Locally Sourced Materials in Nigeria Unegbu, Hyginus Chidiebere Onyekachi; YAWAS, Danjuma S.; Dan-asabe, Bashar; Alabi, Abdulmumin Akoredeley
JURNAL MECHANICAL Vol 16 No 2 (2025): JURNAL MECHANICAL
Publisher : Fakultas Teknik, Universitas Lampung

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Abstract

This study explores the development and benefits of sustainable manufacturing processes in Nigeria using locally sourced materials, specifically cassava residues, palm kernel shells, and limestone. Driven by the need to reduce dependency on imported resources, this research addresses economic, environmental, and social impacts associated with conventional manufacturing practices. Results indicate that cassava residues and palm kernel shells demonstrate high compressive and tensile strengths, making them viable alternatives to synthetic materials in structural applications. Limestone, optimized through local sourcing and CO₂ capture technology, proved effective in cement production, reducing carbon emissions by up to 15%. Process optimization, including thermal recovery systems, led to an average energy savings of 25%, while emission reductions across processes averaged 20%. Economic analysis highlighted a 22% reduction in total costs, attributed to savings on transportation and energy, underscoring the financial viability of local resource utilization. The environmental and economic advantages demonstrate sustainable manufacturing’s potential to enhance Nigeria’s resilience to global supply chain disruptions, support local job creation, and align with the country’s climate goals. The study recommends policy support through incentives for sustainable practices, investment in recycling and waste processing infrastructure, and training programs to ensure skilled implementation. Future research should expand these processes to other materials and sectors, integrating advanced monitoring technologies for further efficiencies. These findings provide a foundational approach for Nigeria’s shift towards a sustainable, economically resilient manufacturing sector.
Perancangan dan Analisis FEA Alat Pengering Magot Tipe Microwave Conveyor Didit Wijang Saputro, Didit
JURNAL MECHANICAL Vol 16 No 2 (2025): JURNAL MECHANICAL
Publisher : Fakultas Teknik, Universitas Lampung

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Abstract

Pengeringan dengan continuous microwave oven merupakan salah satu metode yang bisa diterapkan untuk mengeringkan larva Black Soldier Fly (BSF). Proses ini memanfaatkan radiasi gelombang mikro untuk menguapkan kandungan air dalam larva. Selain itu, penggunaan conveyor yang berjalan pada oven microwave sebagai media atau tempat diletakkannya larva BSF diharapkan dapat mempermudah proses produksi. Penelitian ini dilakukan untuk mengetahui perancangan dan analisis kekuatan struktur alat pengering larva BSF tipe continuous microwave oven yang dilakukan melalui software Solidworks. Simulasi analisis struktur thermal dengan menggunakan metode Finite Element Analysis (FEA) untuk mengetahui kekuatan struktur pada alat tersebut. Spesifikasi alat pengering larva BSF tipe continuous microwave oven memiliki kapasitas 15 kg, daya input pemanasan 8 KW dan suhu . Dengan variasi waktu pemanasan 20, 30, dan 40 menit didapatkan kecepatan conveyor masing-masing variasi ke-1 yaitu 0,00259 m/s, variasi ke-2 yaitu 0,00177 m/s, dan variasi ke-3 yaitu 0,00133 m/s.  Efisiensi daya magnetron yaitu 65 % dan efisiensi energi pengeringan yaitu 19 %. Hasil analisis struktur thermal alat pengering larva BSF tipe continuous microwave oven berdasarkan simulasi didapatkan thermal stress dengan nilai tertinggi 1,664×108 N⁄m2 dan nilai terendah 6,226×10-1 N⁄m2. Hasil simulasi displacement dengan nilai tertinggi 1,8×101 mm dan nilai terendah 1×10-30 mm. Hasil simulasi Safety factor yaitu 3,2. Sehingga dari hasil simulasi tersebut dapat dikatakan aman untuk dilanjutkan ke proses manufacturing.
Robot Layanan Cerdas All-in-One untuk Lingkungan Serbaguna Abd Eltwab, Ahmed Aly
JURNAL MECHANICAL Vol 16 No 2 (2025): JURNAL MECHANICAL
Publisher : Fakultas Teknik, Universitas Lampung

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Abstract

ABSTRACT – The Multi-Functional Cleaner Robot can effectively complete a variety of domestic cleaning jobs, doing away with the need for many specialized tools because of its adaptable design,. It is capable of precise surface navigation because to its sophisticated sensors and clever algorithms. It can clean confined areas like corners and beneath furniture because of its small size and excellent movement. One of the robot's primary features is a robotic arm that can precisely grasp and raise objects off the ground. Stable object manipulation is ensured by precise end-effector movement and seamless joint coordination. The system adjusts to various object forms and placements by using real-time tactile and visual input. The mobility and handling performance of the robot are optimized using methods such as feedback control and inverse kinematics. As a result, it can efficiently complete operations like picking, sorting, and positioning. The robot greatly lessens the need for humans to do repetitive cleaning tasks. It also has sophisticated safety features to guarantee dependable functioning
Combustion Efficiency and Emission Control of Alternative Fuels: A Comprehensive Review Seto, Dewandono Bayu
JURNAL MECHANICAL Vol 16 No 2 (2025): JURNAL MECHANICAL
Publisher : Fakultas Teknik, Universitas Lampung

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Abstract

The growing demand for clean and efficient energy sources has driven the development of various alternative fuels to replace fossil fuels, which continue to dominate the transportation and industrial sectors. This article presents a comprehensive review of the combustion and emission characteristics of four major types of alternative fuels: bioethanol, biodiesel, biogas, and hydrogen. The review is based on selected scientific literature published between 2020 and 2024, with a focus on thermal efficiency, emission profiles (CO, HC, NOₓ, PM), and relevant emission control technologies. The analysis shows that each fuel exhibits unique characteristics in terms of combustion performance and emission behavior. Hydrogen offers the highest thermal efficiency and zero carbon emissions but requires specialized combustion and storage systems. Bioethanol and biodiesel are relatively compatible with conventional engines, though they face technical limitations and risks of secondary emissions. Biogas demonstrates high potential, particularly when upgraded to biomethane. This study also highlights the importance of integrating fuel selection with appropriate emission control strategies. The findings are expected to serve as a strategic reference for the development of sustainable energy systems in the automotive and industrial sectors

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