Iranian Journal of Manufacturing Engineering

Iranian Journal of Manufacturing Engineering

Optimization of effective parameters on ultrasonic horns in simple shear extrusion process using taguchi design of experiments

Document Type : Original Article

Authors
Mostafa Balali 1
Seyed Mohammad Hossein Seyedkashi 2
Ali Hasanabadi 2
Hamid Gorji 3
Hamid Baseri 3
Mohammad Khosravi 4
1 PhD Student, Department of Mechanical Engineering, University of Birjand, Birjand, Iran
2 Faculty Member, Department of Mechanical Engineering, University of Birjand, Birjand, Iran
3 Faculty Member, Mechanical Engineering Department, Babol Noshirvani University of Technology, Babol, Iran
4 Faculty Member, Department of Mechanical Engineering, Birjand University of Technology, Birjand, Iran
10.22034/ijme.2024.445721.1933
Abstract
In the present research, the effective parameters of ultrasonic horns in the ultrasonic-assisted simple shear extrusion process and the selection of the best choice are discussed. At first, the main input parameters (horn type, material, and dimensions) were determined to be used in the design of the experiments. Then, the experiments for input parameters were designed using the Taguchi method in Minitab software. The output results of the forming force for each level were obtained using finite element simulation in Abaqus/Explicit software. The optimization of the input values was investigated based on the-lower-the-better condition of the signal-to-noise (S/N) ratio. The optimal levels of the horn input variables were determined to achieve the minimum forming force during the ultrasonic-assisted simple shear extrusion process. After the design of experiments and the finite element simulations, the proposed horn was manufactured according to the optimal input values and then it was connected to the simple shear extrusion die. In the presence of ultrasonic vibrations, an 11% reduction in forming force was reported compared to the process without ultrasonic vibrations. A comparison of experimental and simulation results in the ultrasonic-assisted simple shear extrusion process showed a 9% error, which validated the numerical simulation.
Keywords
Simple Shear Extrusion
Ultrasonic Vibration
Finite Element Simulation
Modal Analysis
Taguchi Design of Experiments
Ultrasonic Horn
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