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A comparative study of cut front profiles and absorptivity behavior for disk and CO2 laser beam inert gas fusion cutting
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10.2351/1.4755980
/content/lia/journal/jla/24/5/10.2351/1.4755980
http://aip.metastore.ingenta.com/content/lia/journal/jla/24/5/10.2351/1.4755980

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of the longitudinal section of the cut front in the feed direction.

Image of FIG. 2.
FIG. 2.

Longitudinal cut front section (CO2 laser cut, t = 5 mm, f = f 1, v = V max).

Image of FIG. 3.
FIG. 3.

Cut front digital data acquisition (CO2 laser cut, t = 5 mm, f = f 1, v = V max). (a) longitudinal cut front section in CAD environment, (b) Definition of inclination angle φIN for a generic point of cut front profile.

Image of FIG. 4.
FIG. 4.

Variation in inclination angle with distance from the sheet surface (CO2 laser cut, t = 5 mm, f = f 1, v = V max).

Image of FIG. 5.
FIG. 5.

Variation in maximum cutting speed with relative focal position (t = 5 mm - CO2 and disk laser).

Image of FIG. 6.
FIG. 6.

Variation in maximum cutting speed with relative focal position (t = 8 mm - CO2 and disk laser).

Image of FIG. 7.
FIG. 7.

Relationship between the relative cutting speed and the cut front geometry (side view) for t = 5 mm and f = f 1. (a) CO2 laser and (b) disk laser cuts.

Image of FIG. 8.
FIG. 8.

Relationship between the relative cutting speed and the cut front geometry (side view) for t = 8 mm and f = f 1. (a) CO2 laser and (b) disk laser cuts.

Image of FIG. 9.
FIG. 9.

Theoretical and experimental data of local absorptivity along the cut front profile when t = 5 mm. (a) f = f 1 and (b) f = f 2.

Tables

Generic image for table
TABLE I.

Experimental values of beam propagation output parameters measured at 3 kW after the laser beam has passed the cutting optics.

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/content/lia/journal/jla/24/5/10.2351/1.4755980
2012-10-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A comparative study of cut front profiles and absorptivity behavior for disk and CO2 laser beam inert gas fusion cutting
http://aip.metastore.ingenta.com/content/lia/journal/jla/24/5/10.2351/1.4755980
10.2351/1.4755980
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