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All Journal International Journal of Health, Engineering and Technology
Mochamad Mas'ud
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Dentistry Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Analysis of the Effect of Variations in Feed Rate on the Wear of HSS End Mill Cutters in CNC Milling Processes Using the Finite Element Method Muhammad Hisyam Rizqulloh; Mochamad Mas'ud
International Journal of Health Engineering and Technology Vol. 4 No. 3 (2025): IJHET SEPTEMBER 2025
Publisher : CV. AFDIFAL MAJU BERKAH

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Abstract

This study investigates the effect of feed rate variations on the wear of High-Speed Steel (HSS) end mill cutters during the CNC milling of Aluminum 5052. The research addresses the challenge of optimizing tool life by exploring the complex interplay between feed rate, temperature, and wear. A quantitative approach was adopted, combining experimental tests with a Finite Element Method (FEM) simulation. The experiment used a fixed cutting depth of 1.5 mm and varied feed rates at 30, 40, and 50 mm/min. Data on temperature and tool wear were collected using an infrared thermometer and a digital microscope, respectively, while FEM simulations were performed using ANSYS to analyze thermal and mechanical stresses. The results showed that tool wear was not linearly proportional to temperature, with the highest wear occurring at 40 mm/min, despite lower temperatures. The FEM simulations successfully visualized critical zones of stress and deformation, confirming that tool performance is a function of both thermal and mechanical factors. In conclusion, optimizing feed rate is crucial for minimizing wear, and this integrated approach provides a robust framework for enhancing machining efficiency.
Analysis of the strength of METAL ARC WELDING (SMAW) against bending tests in the WELD METAL area Mochammad Rizal; Mochamad Mas'ud
International Journal of Health Engineering and Technology Vol. 4 No. 3 (2025): IJHET SEPTEMBER 2025
Publisher : CV. AFDIFAL MAJU BERKAH

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Abstract

This study analyses the effect of electrical current variation on the strength of Shielded Metal Arc Welding (SMAW) joints in low-carbon steel. SMAW was chosen because of its flexibility and low cost, but the quality of the joint is highly dependent on process parameters, especially electrical current. This study aims to identify the optimal current to obtain maximum joint strength in the weld metal area. The research method used is quantitative with an experimental approach. Low-carbon steel specimens were welded using E7016 electrodes with current variations of 75 A, 80 A, 85 A, 90 A, 100 A, 105 A, 110 A, and 115 A. The research population and sample were low-carbon steel specimens with a V-groove joint design. The tests were conducted using the three-point bending test method to measure the maximum force, deflection, bending energy, and bending stress. The data were analysed numerically and presented in tables and graphs. The results showed that a current of 100 A produced the best strength, with the highest bending stress of 258.62 MPa and the highest bending energy of 4.94 J. These values indicate optimal ductility and strength. Current variations that were too low (below 100 A) or too high (above 100 A) resulted in a decrease in joint quality. Too low a current results in suboptimal penetration, while too high a current causes excessive heat and reduces ductility. In conclusion, selecting the right welding current, which is in the range of 100 A, is crucial for producing efficient and high-quality welds.
Co-Authors Mochammad Rizal Muhammad Hisyam Rizqulloh