Comparison of the Cutting Performance of a CO and a CO2 Laser.
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概要
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Cutting performance for metals and ceramics with a CO laser (λ= 5-6 μm) was compared with that with a CO<SUB>2</SUB> laser (λ = 10.6 μm). Comparative runs were conducted with keeping experimental conditions same for both lasers except for a laser wavelength, in order to investigate the effect of wavelength on the cutting performance. Workpiece materials used for the experiments were stainless steel, carbon steel, copper, aluminum alloy, alumina (Al<SUB>2</SUB>O<SUB>3</SUB>) and aluminum nitride (AlN). The cutting performance were compared in terms of the maximum cutting speeds at which the workpiece plate is cut and separated. The maximum cutting speeds by the CO laser were always higher than those with a CO<SUB>2</SUB> laser when the plate thickness was relatively thin (<5mm). In particular a very large difference in cutting speed was observed for the aliminum alloy. On the other hand for thick plate O<SUB>2</SUB> cutting with self-burning, an effect of assist gas was much larger than that of wavelength.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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