Delaminating Control on Drilling the Medium Density Fiber Board with Robust Optimization
DOI:
https://doi.org/10.11113/jt.v59.2569Keywords:
Medium density fiber board, drilling, robust, TaguchiAbstract
Drilling the medium density fiber (MDF) board always emerge the occurrence of delaminating, as the unwanted result of the process. The defect will moderate the aesthetical value of the finished products particularly if the product is a furniture product. This work optimizes the control factor of delamination using robust engineering technique founded by Genichi Taguchi, father of robust engineering. The optimum drilling parameter which based on smallest the better is optimized and it is confirmed by the confirmation experiment that the imperfections is minimized. Three control factors are investigated in the study: feed rate, cutting speed, and drill bits diameter. The response plot of the control factor shows a drill bit diameter is the highest contributing control factor that influences delaminating as the different of the robustness is 2.047 dB. The optimum parameter shows that the variability of the noise factor is improved as compared to the initial parameter by means of the dB gain of 1.308 dB and 1.451 dB for the prediction and confirmation respectively. The robust assessment of the optimization has indicates that the drilling parameter is less sensitive to the noise factor.References
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