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All Journal Jurnal Simetris Rekayasa Mesin Jurnal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology JTT (Jurnal Teknologi Terpadu) Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control International Journal of New Media Technology J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Infotekmesin Jurnal Engine: Energi, Manufaktur, dan Material Jurnal Mekanik Terapan Jurnal Material Teknologi Proses: Warta Kemajuan Bidang Material Teknik Teknologi Proses Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Radhian Krisnaputra
Universitas Gadjah Mada
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Perancangan Mesin Kempa Panas Bambu Laminasi dengan Sistem Pemanas Elektrik Terintegrasi dan Pengempaan Hidrolik Radhian Krisnaputra; Galuh Bahari; Ilham Ayu Putri Pratiwi; Aris Hendaryanto; Sugiyanto Sugiyanto; Inggar Septhia Irawati; Ragil Widyorini
Infotekmesin Vol 17 No 2 (2026): Infotekmesin: Juli 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/

Abstract

Most laminated bamboo production processes in small and medium-sized industries still rely on cold pressing, which requires long pressing times and often results in inconsistent bonding quality. This study aims to design a hot press machine by integrating a hydraulic pressing system, an electric heating system, and temperature distribution analysis using Computational Fluid Dynamics (CFD). The pressing system employs four hydraulic cylinders with a capacity of 15 tons and a maximum operating pressure of 110 bar, while the heating system requires 5.13 kW of power. CFD simulation results indicate a relatively uniform temperature distribution across the primary heating zone, although temperature gradients occur near the edges due to heat loss and the low thermal conductivity of bamboo. The proposed design satisfies the technical requirements of the laminated bamboo manufacturing process and has the potential to improve pressing uniformity and product quality, providing a foundation for the development of hot press machines for small- and medium-scale laminated bamboo industries.
Analisa Patah Housing Flywheel Mesin Diesel Dump Truck Berdasarkan Sifat Fisik dan Mekanik Material Yanuwar Ilpan Pramono; Radhian Krisnaputra; Lilik Dwi Setyana; I. Aris Hendaryanto
Jurnal Teknologi dan Rekayasa Alat Berat Vol 1 No 1 (2024): JTRAB Volume 1, No 1, 2024
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v1i1.9296

Abstract

This research aims to identify the causes of material failure in the flywheel housing of diesel engines used in dump trucks in corporate sectors such as mining, plantations and infrastructure in Indonesia. Through mechanical testing which includes visual observations, tensile, impact and hardness tests, as well as microstructural observations and chemical composition analysis, this research found that the flywheel housing material has brittle properties. The test results show the highest tensile strength of 23.021 MPa, the average impact value of 0.0417 J/mm2, and the average hardness value of 106.708 VHN. The microstructure of the flywheel housing material is dominated by the Al-Si alloy element, which makes the material tend to be brittle. Several factors that can cause cracks in the flywheel housing include the work environment, material properties, lack of maintenance, and operational errors.
Perancangan Sistem Hidrolik pada Mesin Kempa Bambu Laminasi dengan Dua Hydraulic Cylinder Fanny Restu Utama; Ignatius Aris Hendaryanto; Radhian Krisnaputra
Jurnal Teknologi dan Rekayasa Alat Berat Vol 3 No 2 (2026): JTRAB Volume 3, No 2, 2026
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v3i01.20007

Abstract

This study aims to design a hydraulic system for a laminated bamboo press machine utilizing two hydraulic cylinders to address the limitations of manual presses, which often result in uneven pressure distribution, prolonged production cycles, and subpar product quality. The hydraulic system is engineered to deliver uniform pressure, enhance operational efficiency, and improve the overall quality of laminated bamboo. The research methodology encompasses a literature review, field observations, computer-aided design (CAD) modeling, hydraulic simulation software analysis, and performance evaluation simulations. Key system components include a hydraulic gear pump, an electric motor, double-acting hydraulic cylinders, and a monoblock hydraulic valve. Computational and mathematical analyses indicate that the system can generate a working pressure of up to 2 MPa, achieve a pressing cycle under 5 minutes, and sustain a maximum load of 15 metric tons. Specific calculated parameters comprise a gear pump displacement of 14.3 cc/rev, a 3.7 kW electric motor, a 100 mm cylinder bore with a 56 mm rod diameter and a 400 mm stroke length, 3/8-inch hydraulic hoses, and a 12-liter reservoir capacity. This study contributes to the advancement of hydraulic-based technology in the laminated bamboo industry, fostering energy efficiency and operational sustainability in manufacturing processes.
Co-Authors Aditya Bayu Pratama Aisyah , Nyayu Aisyah, Nyayu Aldi Prabowo Andhi Akhmad Ismail Andreas Surjaka Ispandriatno Anwari, Muhammad Arifianto, Rokhmat Aris Hendaryanto Ayu Putri Pratiwi, Ilham Bagaskara, Pagi Singgamata Bahari, Galuh Bahiuddin, Irfan Benidiktus Tulung Prayoga Budi Basuki Delfian Prihadianto, Braam Dian Budi Santoso Djati, Isworo Fajri, Faridiah Aghadiati Fanny Restu Utama Galuh Bahari Galuh Bahari Gumilang, Theo Satria Hakim, Sinta Uri El I. Aris Hendaryanto Ignatius Aris Hendaryanto Ilham Ayu Putri Pratiwi Ilham Ayu Putri Pratiwi Inggar Septhia Irawati Irawati, Inggar Septhia Ismail, Andhi Akhmad Isworo Djati Isworo Djati Jibril Maulana Kurniawan, Redho Lilik Dwi Setyana Lilik Dwi Setyana Mandala, Wirawan Widya Maulana, Arju Ridho Muhammad Fakhrurrifqi Nareswari Novita Satiti Nugraha, Sindhu Arya Nugroho Santoso Nugroho, Danuarta Adi Nur Esa, Suhada Nur Hidayatulloh, Fikhih Prabowo, Aldi Pramono, Yanuwar Ilpan Prasta, Silvano Virgio Prasta Pratama, Bagus Ardyansyah Ilham Pratiwi, Ilham Ayu Putri Prihadianto, Braam Delfian Purwanto , Sigit Ragil Widyorini Rosyid, Fakih Aulia Satiti, Nareswari Novita Sena, Zhafran Huda Septhia Irawati, Inggar Setiawan, Widia Setiawan, Widia SETYAWAN, PENDI Silvano Virgio Prasta Prasta Sindhu Arya Nugraha SUGIYANTO Sugiyanto Sugiyanto - Sugiyanto Sugiyanto Sugiyanto Sugiyanto Suryo Darmo Suryo Darmo Wibowo, Tegar Taufik Wicaksono, Dimas Aryo Wijoyo, Joannes Bimo Winarto, Felik Eko Wismo Winarto, Felixianus Eko Wismo Wismo , F. Eko Yanuwar Ilpan Pramono Yosephus Ardean Kurnianto Prayitno Yosephus Ardean Kurnianto Prayitno