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- Title
Modelling and Optimization of Surface Roughness and Specific Tool Wear in Milling Process.
- Authors
HEIDARI, Mehdi; HOSSEINI, Seyed Vahid; PARVAZ, Hadi
- Abstract
The present study has been carried out to optimize three machining parameters in the milling process to achieve minimum surface roughness and tool wear along with the maximum material removal rate. A specific tool wear factor has been defined to evaluate both tool wear and material removal rate parameters simultaneously and the surface roughness was considered as the second output parameter. A set of experiments was designed using a DOE technique and conducted on a milling machine. The experimental data then was applied to develop different mathematical models and the best model was chosen based on analysis of variance (ANOVA). Three proposed methods of optimization with different natures were used to determine optimal output parameters based on selected models. The comparison between these methods showed that Regression-response optimization was superior to Simulated Annealing (SA) algorithm and Goal-attainment method. The Simulated Annealing (SA) algorithm also represented less error function compared to goal-attainment methods. The results of optimization revealed that optimum values for cutting speed and feed rate were ranged from 312 to 314 m/min and 0.085 to 0.12 mm/rev⸱tooth, respectively, while all optimization methods reached the same value of 1.0 mm for depth of cut parameter.
- Subjects
SURFACE roughness; SIMULATED annealing; ERROR functions; ALGORITHMS; MATHEMATICAL models; MILLING-machines; TOOLS
- Publication
Technical Gazette / Tehnički Vjesnik, 2021, Vol 28, Issue 5, p1626
- ISSN
1330-3651
- Publication type
Article
- DOI
10.17559/TV-20200614105300