Laser Cutting Of Woods

Zulfadhli, Idrus (2009) Laser Cutting Of Woods. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research is about Laser Cutting of Woods which is done to determine either wood can be cut by laser. Others, it is done to determine the optimum condition to cut the wood by using laser cutting machine and furthermore to investigate the dimension accuracy and surface roughness produce by various types of parameters which are cutting speed and laser power. To conduct this research mainly on performing the experiments, firstly the types of woods with suitable thickness are defined first before it is cut by laser. The selected woods are from Ramin and Kembang Semangkok and Nyatoh with 10 mm thickness. All these woods are cut into square shape with 30 mm x 30 mm dimension. There are 48 specimens that have been cut where 16 specimens from Ramin, 16 specimens from Kembang Semangkok and 16 specimens from Nyatoh before it is analyzed according to its dimension accuracy and surface roughness. Based on the analysis that have been conducted, the best dimension accuracy and surface roughness for all these types of woods are from the lowest parameters that have been used in this experiment which are 1400 W for laser power and 2100 mm/min for cutting speed. The best cutting parameter to cut Ramin, Kembang Semangkok and Nyatoh are by using 1400 W for the power and 2100 mm/min for the cutting speed. From this experiment also, it is concluded that dimension accuracy increased when cutting speed and laser power decreased while dimension accuracy will decreased when cutting speed and laser power increased while the smoother surface produced when the cutting speed decreased while rougher surface produced when cutting speed is increased.

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