Abstract
A cutter with inserts is suitably applied in screw rotor milling. However, the cutter design process, including arranging the inserts onto the cutter body accurately, involves numerous factors, so it is costly and lengthy to achieve a precise cutter design if performed by trial error. This study introduces an integrated optimization to simplify the cutter designing process by minimizing multi-objective factors (number of inserts, grinding stock amount, and rotor profile deviation), respecting four critical design factors (grinding allowance, insert arrangement area, insert inclination angle, and correctional offset). The uniform design was applied to obtain uniformity and representativeness in the experiment sample size, whereas radial basis function (RBF) approximated the design factors, and particle swarm optimization (PSO) predicted the optimum results. The result confirms that all objective factors were diminished significantly where the grinding allowance is the most influential factor. In addition, the rotor surface topography indicated a consistent deviation. Finally, the optimized cutter is reliable, and the integrated optimization model is effective and entirely practicable.
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All data generated or analyzed during this study are included in the manuscript.
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Abbreviations
- \(A_{3}\) :
-
Correctional offset of insert position on the cutter wheel
- \(E_{d}\) :
-
Shortest center distance among cutter wheel and rotor axis
- \(L_{d}\) :
-
Rotor length with respect to rotor rotational angle
- \(R_{4}\) :
-
Radial offset of insert position on the cutter wheel
- \(s_{p}\) :
-
Helical parameter / rotor unit lead
- \(S\) :
-
Rotational speed
- \(t\) :
-
Insert thickness
- \(u\) :
-
Fitted curve parameter (rotors profile parameter)
- \(Z_{4}\) :
-
Axial offset of insert position on the cutter wheel
- \(\alpha\) :
-
Index angle of insert position on the cutter wheel
- \(\beta\) :
-
Rotational angle of insert position on the cutter wheel
- \(\delta_{q}\) :
-
Normal deviation
- \(\gamma\) :
-
Setting angle of the cutter wheel and rotor axis
- \(\lambda\) :
-
Inclination angle of insert position on the cutter wheel
- \(\eta\) :
-
Enlargement
- \(\theta\) :
-
Surface variables
- \(\sigma\) :
-
Insert curve parameter
- \(\varphi\) :
-
Rotational angle
- c :
-
Milling cutter
- r :
-
Screw rotor
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Acknowledgements
The authors are grateful to the Ministry of Science and Technology in Taiwan for its financial support under project number MOST 109-2221-E-008-004-MY2 and to Hanbell Precise Machinery Co., Ltd., in Taiwan for their technical and financial support.
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This research was supported by the Ministry of Science and Technology in Taiwan, project number MOST 109–2221-E-008–004-MY2.
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Achmad Arifin constructed the research design, accomplished the optimization simulation, and composed the manuscript, whereas Yu-Ren Wu earned the funding and directed the research implementation. All authors worked concurrently to proofread and structure the submission.
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Arifin, A., Wu, YR. Integrated multi-objective optimization on the geometrical design of a disk-type milling cutter with multiple inserts applying uniform design, RBF neural network, and PSO algorithm. Int J Adv Manuf Technol 121, 4829–4846 (2022). https://doi.org/10.1007/s00170-022-09645-8
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DOI: https://doi.org/10.1007/s00170-022-09645-8