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All Journal Rekayasa Mesin JTT (Jurnal Teknologi Terpadu) Turbo : Jurnal Program Studi Teknik Mesin KACANEGARA Jurnal Pengabdian pada Masyarakat Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin Indonesia Infotekmesin Jurnal Engine: Energi, Manufaktur, dan Material Jurnal Sains dan Teknologi Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Prihadianto, Braam Delfian
Universitas Gadjah Mada
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering 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 Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Studi Performa dan Analisis Kerusakan Sistem Hidrolik Excavator Mini Excavator Zhugimada Ar-Rizqi, Muhammad Hisyam; Prihadianto, Braam Delfian; Sugiyanto, Sugiyanto; Aisyah, Nyayu
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4608

Abstract

The hydraulic system plays a vital role in supporting excavator performance by transmitting power through pressurized fluid to actuate the boom, arm, and bucket. However, fluid leakage can significantly reduce operational efficiency and performance. This study aims to analyze the hydraulic system performance of the Zhugimada mini excavator trainer unit before and after repair. Tests were conducted on three main parameters: silinder drift, silinder speed, and silinder pressure, under three load conditions zero capacity, struck capacity, and heaped capacity. The results show that leakage was caused by damage to the fittings on the arm and bucket silinders, the seal on the boom silinder, the valve connecting the tank and pump, and an electric motor speed exceeding the standard (1,491 rpm). The leakage impact was indicated by a decrease in silinder speed 1.41% for the boom, 1.34% for the arm, and 0.51% for the bucket and a 16.28% pressure drop in the boom under no-load conditions. After the repair, system performance improved significantly, with boom speed increasing by 0.92%–2.04% and arm speed by 0.82%–1.77%. The repair effectively addressed both internal and external leakage and improved the overall efficiency of the hydraulic system.
PENGARUH PENGATURAN FILL DENSITY TERHADAP SIFAT MEKANIS POLYLACTIC ACID HASIL TEKNOLOGI FUSED DEPOSITITION MODELLING Braam Delfian Prihadianto; Suryo Darmo; Radhian Krisnaputra
Jurnal Teknologi Terpadu Vol 10 No 1 (2022): JTT ( Jurnal Teknologi Terpadu)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jtt.v10i1.1406

Abstract

Along with advances in science and technology in creative industry, the production process no longer relies on manual creativity, but develops and expands the application of technology to simplify and accelerate the production process. One example of the creative industry sector that applies technological developments is the miniature industry. A new technology that is starting to be in demand among miniature manufacturers is the Fused Depositition Modeling (FDM) technology. It is a method using solid base rapid prototyping technology with an extrusion process and is a solution to the above problems. Polylactic Acid (PLA) is one of the materials used by miniature manufacturers, because this material is included in the aliphatic polyester group which is made from α-hydroxy acid and has degraded properties, making this material relatively safer for health and the environment. The research focuses on the mechanical properties of FDM technology with PLA filament materials, especially tensile and bending strength. This study used an experimental method with reference to the FDM machining parameters with a variation of the fill density from 0.1 to 1.0. Based on the results of experiments and tests that have been done, the tensile strength values are 29.063 - 36.215 MPa and the bending strengths are between 42.520 - 80.315 MPa. Therefore based on the test results it can be concluded that the fill density parameter affects the tensile and bending strengths produced by FDM technology with PLA material.
Analisis Desain Central Body Undercarriage Alat Peraga Mini Excavator Zhugimada dengan Metode Elemen Hingga Braam Delfian Prihadianto; Yosephus Ardean Kurnianto Prayitno; Dani Anggoro Hasan; Anisa Nurul Hidayat; Inn Aka La’ala Khuluqin Adhim
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.3036

Abstract

The availability of practical facilities in mechanical engineering vocational education requires representative yet economical learning media. The development of a mini excavator demonstration tool by the Mechanical Engineering Department of Sekolah Vokasi Universitas Gadjah Mada (SV-UGM) is an effective alternative to support practical and research activities because it reflects the function and mechanism of an excavator with efficient costs and dimensions. This study analyzes the central body undercarriage design of the Zhuigimada mini excavator demonstration tool using the finite element method with the aid of Computer Aided Engineering tools. The material used is American Society for Testing and Materials (ASTM) A572 with a load of 19,620 N. The simulation results show a maximum von Mises stress of 21.69 MPa, a total displacement of 0.0133 mm, and a safety factor of 15.9. These values ​​indicate that the undercarriage design has good strength and stiffness against static loads produces an undercarriage design that is safe, efficient, and representative of the excavator work system.
Studi Performa dan Analisis Kerusakan Sistem Hidrolik Excavator Mini Excavator Zhugimada Muhammad Hisyam Ar-Rizqi; Braam Delfian Prihadianto; Sugiyanto Sugiyanto; Nyayu Aisyah
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4608

Abstract

The hydraulic system plays a vital role in supporting excavator performance by transmitting power through pressurized fluid to actuate the boom, arm, and bucket. However, fluid leakage can significantly reduce operational efficiency and performance. This study aims to analyze the hydraulic system performance of the Zhugimada mini excavator trainer unit before and after repair. Tests were conducted on three main parameters: silinder drift, silinder speed, and silinder pressure, under three load conditions zero capacity, struck capacity, and heaped capacity. The results show that leakage was caused by damage to the fittings on the arm and bucket silinders, the seal on the boom silinder, the valve connecting the tank and pump, and an electric motor speed exceeding the standard (1,491 rpm). The leakage impact was indicated by a decrease in silinder speed 1.41% for the boom, 1.34% for the arm, and 0.51% for the bucket and a 16.28% pressure drop in the boom under no-load conditions. After the repair, system performance improved significantly, with boom speed increasing by 0.92%–2.04% and arm speed by 0.82%–1.77%. The repair effectively addressed both internal and external leakage and improved the overall efficiency of the hydraulic system.
Analisa Performa Tekanan dan RPM Pada Komponen Swing Hidrolik Pada Alat Peraga Mini Excavator Angga Prasetio Aji; Galuh Bahari; Felixtianus Eko Wismo Winarto; Braam Delfian Prihadianto
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.v1i1.8929

Abstract

A learning method is essential to achieve the existing curriculum standards. For success in the learning process, media or teaching aids are needed to enhance the process and learning outcomes related to students' levels of thinking (Suwardi et al., 2014). The mini excavator trainer serves as one of the solutions to support learning in hydraulic systems. The development of the hydraulic swing component is intended to improve the components of the mini excavator trainer, which will later be developed into a teaching aid for hydraulic drive systems. The ultimate goal of this research is to create a hydraulic swing component to be installed on the mini excavator trainer and, finally, to determine the pressure and RPM performance of the hydraulic swing component. Based on the research conducted, operating the mini excavator trainer requires a radius dimension or distance from the center point to the warning line of 3 m², with a maximum pressure of 150 kgf/cm² producing 11.17 RPM, while the allowable pressure to operate the hydraulic swing component on the mini excavator trainer is 100 kgf/cm², producing 8.54 RPM.
Optimalisasi Exhaust Brake pada Unit HINO 500 FM 260 JD untuk Menurunkan Potensial Lost Cost Unit Hauling M.Burhanudin; Harjono Harjono; Braam Delfian Prihadianto; Sugiyanto Sugiyanto
Jurnal Teknologi dan Rekayasa Alat Berat Vol 2 No 1 (2025): JTRAB Volume 2, No 1, 2025
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v2i1.13196

Abstract

Based on field observations, the exhaust brake component on the Hino 500 FM 260 JD unit frequently experiences breakdowns. One of the primary causes of failure is the ingress of mud into the exhaust chamber, which disrupts the functionality of the component. This study aims to compare the performance of exhaust brake components with and without a protective cover to enhance their lifetime, analyze the failure rate, and calculate the potential lost cost associated with exhaust brake failures in hauling units. Data collection was conducted directly in the field, and protective covers were installed on three dump truck units in the hauling fleet. The test results indicate that when the exhaust brake component was used without a cover, 14 failures were recorded, whereas with the cover installed, only 4 failures occurred. These findings demonstrate that the protective cover significantly impacts the lifetime and failure rate of the exhaust brake component. Following the testing phase, a potential lost cost analysis was conducted, considering four cost variables: spare parts, production losses, operator costs, and mechanic costs.
Analisis Manajemen Inventori Consumable Goods Dotting Gloves dengan Metode Buffer Stock dan Reorder Point Achmad Fikry; Sugiyanto Sugiyanto; Nyayu Aisyah; Braam Delfian Prihadianto
Jurnal Teknologi dan Rekayasa Alat Berat Vol 1 No 2 (2024): JTRAB Volume 1, No 2, 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.v1i2.13267

Abstract

This research aims to optimize consumable goods inventory control for dotting gloves items in a heavy equipment company. The inventory control process uses mathematical calculation methods, namely additional inventory (buffer stock) and reorder points as well as designing a web-based inventory application system. The research results showed that stock outs occurred repeatedly for dotting gloves. In 2023, the initial inventory of this item will be out of stock for 4 months. The frequency of purchasing dotting gloves is relatively small, only done twice in 5 months. After calculating the buffer stock and reorder point, the company is advised to place a reorder when the stock of dotting gloves reaches 83 pairs or 7 dozen to maintain the continuity of the company's operations. Next, a web-based inventory management application was created to automatically detect reorder points on dotting glove items.
Investigasi Konsumsi Pelumas Hidrolik Berlebih dan Dampaknya terhadap Kinerja Excavator 230 Ton Yusuf Hamzah; Felixtianus Eko Wismo Winarto; Braam Delfian Prihadianto
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.v3i2.30899

Abstract

Excavators are heavy equipment that rely on hydraulic systems to operate components such as the boom, arm, and bucket with high power and precise control, making them essential in construction and mining operations. This study investigates the causes of high hydraulic lubricant consumption in a 230-ton excavator over a specific period based on the unit’s operating hour data. Excessive lubricant consumption has the potential to reduce system performance and increase operational costs; therefore, this study aims to provide an in-depth analysis and management recommendations. The causes of failure were identified as being related to component lifetime limitations. Preventive maintenance and routine inspections are required to prevent further damage and extend component service life.
Co-Authors Achmad Fikry Aisyah , Nyayu Aisyah, Nyayu Aji , Angga Prasetio Aji, Angga Prasetio Aldi Prabowo Alyaa Sekar Khairunnisa Ananda, Dovan Ndaru Angga Prasetio Aji Anggoro Hasan, Dani Anisa Nurul Hidayat Ar-Rizqi, Muhammad Hisyam Ardean Kurnianto Prayitno, Yosephus Ari Reza Koswara Arifin, Fadhilah Akmal Rofiq Bahari, Galuh Bahiuddin, Irfan Benidiktus Tulung Prayoga Dani Anggoro Hasan Dani Anggoro Hasan Dovan Ndaru Ananda Eka Legya Frannita Estiko, Dendi Milnanda Felixtianus Eko Wismo Winarto Felixtianus Eko Wismo Winarto Fikry Alvianto Kurniawan, Fikry Galuh Bahari Gesang Nugroho Handoko Harjono Harjono Harjono Harjono Harjono Hasan, Dani Anggoro Inn Aka La’ala Khuluqin Adhim Irsal Revanza Khairunnisa, Alyaa Sekar Kurniawan, Stephanus Danny Luthfi Wifaqi, Ahmad Naufal M.Burhanudin M.Burhanudin Muhammad Hisyam Ar-Rizqi Muhammad Imam Yusuf Nur Esa, Suhada Nurul Hidayat, Anisa Nyayu Aisyah Oktavian, Dicky Purwanto , Sigit Radhian Krisnaputra Septian, Miko Setyawan Bekti Wibowo Setyawan, Wawan Budi Soeadgihardo Siswantoro Sugiyanto - Sugiyanto Sugiyanto Suhada Nur Esa Surojo, Surojo Suryo Darmo Suryo Darmo Widada, Reza Ananda Wismo , F. Eko Wiyono, Al Difa Naufal Akmal Yosephus Ardean Kurnianto Prayitno Yusuf Hamzah