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Perancangan Alat Uji Gesek Sederhana untuk Pengujian Kampas Rem Sepeda Menggunakan Metode CAD-CAE Riki Sumartin; Mohamad Zaenudin; Yasya Khalif Perdana Saleh
Integrated Mechanical Engineering Journal Vol. 3 No. 2 (2025): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 3 No. 2 November 2025
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v3i2.149

Abstract

Dalam pengembangan alat uji gesek kampas rem sepeda, keandalan struktur rangka menjadi fondasi utama untuk memastikan hasil pengujian yang akurat sekaligus menjaga keselamatan selama operasi. Rangka yang kurang kokoh berpotensi menghasilkan data yang tidak valid atau bahkan mengalami kegagalan mekanis saat digunakan. Penelitian ini difokuskan pada perancangan dan evaluasi kinerja struktural rangka alat uji melalui pendekatan simulasi berbasis CAD-CAE. Menggunakan ANSYS 2023 versi Student, dilakukan analisis terhadap distribusi equivalent stress, equivalent strain, dan deformasi total pada rangka yang terbuat dari Carbon Steel. Hasil simulasi menunjukkan bahwa tegangan ekivalen maksimum sebesar 82,348 MPa muncul di area sambungan dan profil siku, namun tetap berada di bawah batas elastisitas material. Regangan ekivalen tertinggi tercatat hanya 0,00038851 mm/mm, menandakan bahwa deformasi yang terjadi bersifat elastis dan sangat kecil. Sementara itu, deformasi total maksimum sebesar 3,0879 mm masih dalam batas aman dan tidak mengancam integritas struktural alat. Temuan ini memberikan keyakinan bahwa desain rangka yang diusulkan layak diwujudkan secara fisik untuk pengujian kampas rem sepeda yang andal dan efisien.
Bagaimana Program Keteknikan Mesin Bertahan Ditengah Penurunan Minat pada Bidang STEM dan Disrupsi AI? Mohamad Zaenudin; Adhes Gamayel; Yasya Khalif Perdana Saleh; M. Luqman Saiful Fikri; M. Untung Zaenal Priyadi
Integrated Mechanical Engineering Journal Vol. 3 No. 2 (2025): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 3 No. 2 November 2025
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v3i2.153

Abstract

Berdasarkan data penerimaan mahasiswa baru dari Kemendikti-Saintek, bidang STEM secara umum mengalami pengurangan minat. Hal ini ditengarai dikarenakan berbagai faktor, seperti dukungan yang dinilai kurang, pengaplikasian kurikulum yang belum aktual, serta kesan bidang STEM yang jauh dari konteks pembelajaran yang bermakna. Meskipun berbagai upaya telah dilakukan, namun cakupannya dinilai kecil, jika dibandingkan dengan keseluruhan sistem pendidikan di Indonesia. Oleh sebab itu, beberapa solusi ditawarkan untuk memperbaiki hal tersebut, seperti dukungan dan kolaborasi dengan berbagai stakeholder, termasuk pemerintah, industri, dan institusi pendidikan, investasi dalam mendorong pendidikan di bidang STEM, serta promosi secara lebih masif terhadap bidang STEM melalui kegiatan seperti seminar, workshop, sertifikasi, pameran, dan konten edukasi melalui sosial media. Langkah seperti tersebut diharapkan dapat menarik minat siswa dan mahasiswa pada bidang STEM dalam upaya menyokong kebutuhan tenaga terampil di bidang STEM dalam menyongsong Indonesia Emas 2045.
Design and Development of a Universal C-Wrench Special Tool for Assembly and Disassembly of Hydraulic Cylinder Nut Covers Agung Gema Muhazir; Mohamad Zaenudin; Yasya Khalif Perdana Saleh; Mohammed N. Abdulrazzaq Alshekhly
Integrated Mechanical Engineering Journal Vol. 4 No. 1 (2026): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 4 No. 1 Mei 2026
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v4i1.208

Abstract

Maintenance and repair of hydraulic cylinders, especially in confined areas like those in articulated dump trucks, can be very difficult because of access to tools and safety issues. In this study, the design and development of a Universal C-Wrench, a special tool for the safe and efficient assembly/ disassembly of hydraulic cylinder nut covers without removing the entire cylinder from the equipment were presented. An engineering design process (EDP) was used, which includes problem identification, requirement analysis, conceptual design, design selection, detailed design, prototyping and simulation-based validation. Three different design approaches were formulated, based on mechanical performance using finite element analysis (FEA), cost estimation, and field applicability. The final concept was chosen as Design 2, which was made of SS400 steel and had the lowest safety factor (12.075) that was still above the standard requirement for static load-bearing tools. Other improvements including dimensional changes, structural reinforcement and the implementation of dual handles for increased ergonomics were made based on field use and usability. Overall, the Universal C-Wrench is a versatile and cost-effective tool for servicing hydraulic cylinders in heavy machinery and could be used in other similar industrial applications.
Design and Construction of Special Service Tools for Forklift Wheel Bearings Lubrication Using a Pneumatic System Krisna Hadiyanto; Yasya Khalif Perdana Saleh; M. Untung Zaenal Priyadi
Integrated Mechanical Engineering Journal Vol. 4 No. 1 (2026): Integrated Mechanical Engineering Journal (IMEJOUR) Vol. 4 No. 1 Mei 2026
Publisher : Department of Mechanical Engineering, Faculty of Engineering and Computer Science, Universitas Global Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/imejour.v4i1.209

Abstract

Manual lubrication of forklift wheel bearings is still inefficient and inconsistent. This study aims to design and test a pneumatic-based bearing lubrication aid to improve lubrication efficiency and speed. The research method used is experimental, involving tool design and testing with air pressure variations of 2, 3, and 4 bar on bearing types 30306, 32206, and 32207. The observed parameters include lubrication time and the amount of grease supplied. The results show that increasing air pressure shortens lubrication time but reduces the amount of grease delivered. An air pressure of 3 bar is considered the most optimal condition as it provides a balance between lubrication speed and grease adequacy. Therefore, the pneumatic system is proven effective in improving the lubrication performance of forklift wheel bearings