Investigation on Delamination Factor in Drilling Medium Density Fiberboards with Variable Feed Pressure Using Multi-Spindle Drill

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Abstract.Drilling quality in manufacturing medium density fiberboards (MDF) is greatly affected by delamination. In multi-spindle drill machine, the feed is provided by feed pressure generated by air compressor. This study focus on relation between delamination and machining parameters in drilling MDF with variable feed pressure. The relation is investigated by establishing second order polynomial models using response surface methodology, and the analysis of variance (ANOVA) is employed to verify the validity of the models. It is found that the delamination factor increases with the decrease of drill hardness and with the increase of feed pressure both at entry and exit of MDF. However, at low level hardness and high level feed pressure, the delamination factor is insensitive with variation of drill hardness and feed pressure.

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Advanced Materials Research (Volumes 690-693)

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2529-2534

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May 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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