Effect of moisture content levels on the quality of beech wood cut by CO2 laser

The moisture content of wood influences its machinability and the resulting quality of the machined surface. This study aims to explore the impact of varied moisture content on the final quality of beech wood cut by a CO 2 laser ( Fagus sylvatica L.). Laser cutting was performed on beech lumbers con...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2024-09, Vol.134 (1-2), p.159-169
Main Authors: Corleto, Roberto, Gaff, Milan, Rezaei, Fatemeh, Sethy, Anil Kumar, Nemeth, Robert, Valente, Francesco, Ditommaso, Gianluca, Todaro, Luigi
Format: Article
Language:English
Subjects:
Beech
CAE) and Design
Carbon dioxide
Carbon dioxide lasers
Computer-Aided Engineering (CAD
Engineering
Industrial and Production Engineering
Laser beam cutting
Lasers
Machinability
Mechanical Engineering
Media Management
Moisture content
Moisture effects
Original Article
Shades
Styli
Surface roughness
Waviness
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Summary:The moisture content of wood influences its machinability and the resulting quality of the machined surface. This study aims to explore the impact of varied moisture content on the final quality of beech wood cut by a CO 2 laser ( Fagus sylvatica L.). Laser cutting was performed on beech lumbers conditioned at moisture levels of 0%, 8%, 12%, and 18%. The laser-cut specimens were evaluated for surface roughness and waviness by using a stylus surface profilometer at three measuring locations: top, middle, and bottom. The total color difference ΔE was also assessed using a spectrophotometer at the same three locations. The most intriguing findings revealed that surface specimens with higher moisture content are lighter than those with lower moisture content. Specifically, the top areas of specimens with different moisture content exhibited lighter shades than those in the middle and bottom areas. Notably, the surface profile of the specimens remained unaffected by variations in moisture content levels.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-024-14015-7