Influence of tool wear on the quality of newly formed surface in the drilling of wood composites
ID Gornik Bučar, Dominika (Author), ID Merhar, Miran (Author), ID Gospodarič, Bojan (Author)

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PID: 20.500.12556/rul/8f46e139-c73f-4208-8140-c91e3b869d70

The geometry of a drilling tool largely affects the quality of the newly formed surface. When drilling through a composite panel, the hole edge quality on the outlet side is significantly worse than on the inlet side, so the choice of the appropriate tool geometry is crucial. Even if the tool geometry is correct, tool wear also has a strong influence on the quality of the newly formed surface of the holes. With the tool wear, the force in the direction of drilling and torque around the axis of drilling are increasing which can affect to the delamination of particle board on the outlet side. The proposed model for hole edge quality prediction on the outlet side was tested on an experimental model where the cutting forces and torque in the drilling direction were measured, and the quality of the newly formed surfaces was evaluated every 180 holes using a visual method.

Keywords:vrtanje, rezalne sile, vlaknena plošča, površina, delaminacija
Work type:Not categorized
Typology:1.08 - Published Scientific Conference Contribution
Organization:BF - Biotechnical Faculty
Number of pages:Str. 29-33
PID:20.500.12556/RUL-73718 This link opens in a new window
COBISS.SI-ID:2151817 This link opens in a new window
Publication date in RUL:01.12.2015
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Keywords:drilling, cutting forces, particle board, surface, delamination, quality of the edge

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