Journal
JOURNAL OF WOOD SCIENCE
Volume 62, Issue 4, Pages 305-315Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s10086-016-1555-6
Keywords
Delamination; Milling; Particleboard; Tool wear
Categories
Funding
- European Union [PIRSES-GA-2013-610547]
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The tool material and the parameters of machining are the main conditions which decide the quality of particleboard surface. The objective of the study was to investigate the wear of a carbide cemented bit and high-speed steel bit during machining of melamine-faced particleboard. Analysis of variance (ANOVA) was implemented to find the significance of the effect of machining parameters and tool wear on the value of the delamination factor A (del). The delamination factor A (del) is defined as the ratio of area of delamination (mm(2)) to the measured length of the test piece (cm). To determine the durability of the cutting tool a geometric criterion was adopted, i.e., maximum wear of the tool flank. We observed a clear impact of cutting speed on the length of the tool life. This relation was manifested as a decrease in the tool life with increasing cutting speed. It was also found that a reduction in the cutting speed increases the area of delamination, leading to an increase in the value of the A (del) factor. It was especially visible for higher values of tool wear. In the case of feed per tooth we observed no clear effect on intensifying the delamination phenomenon.
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