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International Journal of Industrial Innovation and Mechanical Engineering
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30474507     EISSN : 30474515     DOI : 10.61132
Core Subject : Science, Engineering,
Astronomy Computer Science & IT Engineering
The fields of study in this journal include the sub-groups of Civil Engineering and Spatial Planning, Engineering, Electrical and Computer Engineering, Earth and Marine Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 55 Documents
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Validasi Eksperiment of a 50Wp Off-Grid Solar Power Plant Using a Linear Actuator Solar Tracker System Maulana Adi Prakoso; Muhammad Fajry Setyawan; Komarudin Komarudin; Asri Nugrahanti
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.422

Abstract

Electrical energy is essential for daily life in Indonesia, particularly in remote areas where access to the national grid remains limited. Off-grid solar power systems offer a promising solution, although fixed photovoltaic (PV) installations are less efficient because they cannot follow the sun’s movement. This study experimentally evaluated the performance of a 50 Wp off-grid solar power system equipped with a linear actuator-based solar tracker and assessed its structural safety using Finite Element Analysis (FEA) in SolidWorks. A quantitative experimental approach compared a fixed PV system positioned at a 34° angle with a solar tracker system. Data on PV voltage, solar flux, and battery voltage were collected every 30 minutes between 11:00 a.m. and 2:00 p.m. Results showed that the solar tracker maintained more stable power generation and reduced afternoon output losses, producing an average power of 15.83 W compared with 6.79 W from the fixed system. Battery charging was also faster using the tracker. FEA results confirmed that all support structures met safety standards, with maximum stresses below the ASTM A36 yield strength and acceptable Factors of Safety. These findings demonstrate that linear actuator-based solar trackers significantly improve off-grid solar power performance while maintaining structural reliability.
Lime Saturation Factor as a Determinant of Free Lime Content in Portland Cement Clinker: A Machine Learning-Based Preventive Quality Control Study Andi Muhammad Fadhlurrahman; Muhammad Ridwan Andi Purnomo
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.441

Abstract

Free lime (FCaO) is the most critical and rapidly available quality indicator of Portland cement clinker, and its control depends on the composition of the raw meal entering the kiln. This study investigates the relationship between the Lime Saturation Factor (LSF) of raw meal as the upstream compositional parameter and clinker FCaO as the downstream quality outcome. A total of 960 valid daily production records collected from Kiln Line V of PT Semen Tonasa, Indonesia (January 2023–December 2025), integrating Distributed Control System (DCS) and laboratory quality-control data, were analyzed using descriptive statistics, Pearson correlation, independent-samples t-tests, quartile-based risk stratification, and supervised machine learning. XGBoost was compared with Linear Regression, Random Forest, and Artificial Neural Network models using 25 process parameters. The mean FCaO was 1.2552% (SD = 0.224), with 12.4% of observations classified as defective (FCaO > 1.5%). LSF showed a significant positive correlation with FCaO (r = +0.295, p < 0.001), and defective batches exhibited significantly higher LSF values than normal batches. Defect frequency increased from 7.5% in the lowest LSF quartile to 22.9% in the highest. XGBoost achieved the best predictive performance (R² = 0.517, MAE = 0.105%, RMSE = 0.144%, MAPE = 8.96%), confirming LSF as an important upstream predictor. The findings demonstrate that raw meal LSF is an interpretable and actionable parameter for preventive clinker quality control and early-warning monitoring before kiln entry.
The Effect of Variations in Cross-Section Reduction Percentage during the Wire Drawing Process on the Tensile Strength and Microstructure of Copper Wire Bayu Christiawan Raharjo; Margono Sugeng
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.443

Abstract

Wire drawing is a plastic deformation process used to reduce the diameter of wire by pulling it through a die. The percentage of cross-sectional reduction applied during the process significantly affects the mechanical properties and microstructure of the material. This study aimed to analyze the effect of cross-sectional reduction percentage on the tensile strength and microstructure of copper wire produced by the wire drawing process, as well as to determine the relationship between microstructural changes and tensile strength. Copper wire with an initial diameter of 2.65 mm was used as the test material and processed using three reduction levels of 10%, 20%, and 30%. Tensile testing was carried out using a Universal Testing Machine (UTM), while microstructural observations were performed using an optical microscope at 100× magnification. The results showed that increasing the reduction percentage increased the average Ultimate Tensile Strength (UTS), from 274.01 MPa at 10% reduction to 307.28 MPa at 20%, and 345.26 MPa at 30%. Conversely, the average elongation decreased from 15.50% to 9.60% and 3.50%, respectively. Microstructural observations revealed that higher reduction percentages caused the copper grains to become increasingly elongated, forming a fiber-like structure aligned with the drawing direction due to greater plastic deformation. These microstructural changes increased the dislocation density, resulting in a strain hardening mechanism that improved tensile strength but reduced ductility. Therefore, the variation in cross-sectional reduction had a significant effect on both the mechanical properties and the microstructure of copper wire produced by the wire drawing process.
Analysis of The Effect of Variations in Smaw Welding Current on Indications of Surface Defects Using The Penetrant Test (PT) and Magnetic Particle Test (MT) on ASTM A106 GR. B Pipes Based on Asme B31.3 Acceptance Criteria Ugih Sugiarto; Adri Fato
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.448

Abstract

Shielded Metal Arc Welding (SMAW) is one of the most widely used metal joining processes in the piping industry because it is capable of producing weld joints with good quality and mechanical strength. One of the welding parameters that significantly affects weld quality is the welding current. An inappropriate current setting may increase the occurrence of surface discontinuities, which can reduce the quality of the welded joint. This study aimed to analyze the effect of SMAW welding current variations on surface discontinuity indications in ASTM A106 Grade B pipe using the Penetrant Test (PT) and Magnetic Particle Test (MT) methods based on the Acceptance Criteria of ASME B31.3. The research was conducted using an experimental method on ASTM A106 Grade B pipe welded with an E7018 electrode of 3.2 mm diameter in the 1G welding position. The welding current variations applied were 46 A, 65 A, 88 A, 115 A, 160 A, and 210 A. Each specimen was initially examined through Visual Inspection, followed by Penetrant Test (PT) and Magnetic Particle Test (MT) to identify surface discontinuity indications. The inspection results were subsequently evaluated according to the Acceptance Criteria of ASME B31.3. The results showed that variations in welding current affected the surface quality of the welded joints. At welding currents of 46 A and 65 A, porosity and incomplete fill indications were still observed, while undercut indications were identified at 160 A and 210 A. In contrast, the specimens welded at 88 A and 115 A showed no discontinuity indications exceeding the acceptance limits and were therefore classified as acceptable. Based on the evaluation in accordance with the Acceptance Criteria of ASME B31.3, it can be concluded that the welding current range of 88 A to 115 A produced the best weld surface quality under the conditions of this study.
Validation of the Performance of A 10 Kg/Hour Potato Masher Using Solidworks-Based Simulation and Experimental Methods Anggih Permata Putra; Septian Muhammad Wahid; Komarudin Komarudin
International Journal of Industrial Innovation and Mechanical Engineering Vol. 3 No. 3 (2026): August: International Journal of Industrial Innovation and Mechanical Engineeri
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijiime.v3i3.449

Abstract

Manual potato mashing is still limited in terms of efficiency and production capacity. This study aims to validate the performance of a 10 kg/h potato mashing machine using SolidWorks Simulation and experimental testing. The simulation analyzed the machine frame, main shaft, pestle pulley, and pestle using the parameters of von Mises stress, displacement, and factor of safety. The simulation results showed that all components experienced stress below the material yield strength, exhibited minimal deformation, and had a factor of safety greater than 1, indicating safe operating conditions. Experimental testing showed that the machine achieved an average production capacity of 9.39 kg/h, equivalent to 93.90% of the designed capacity, with an average processing time of 64 minutes and an average power consumption of 268.03 W, or 71.86% of the motor's rated power of 373 W (0.5 HP). Based on the simulation and experimental results, the potato mashing machine was confirmed to be safe, reliable, and capable of operating effectively in accordance with its design objectives.

Page 6 of 6 | Total Record : 55

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