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Originally Posted by Andrew Blair
Errr... Not with small holes. (1/4"). The intense heat blows out extra material, and you get a jagged edge. The long runs looked better, but, being as the plate has about 50 1/4" holes in it, it looked pretty bad.
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We burned these out of 1/4" steel. Perhaps with the extra material, a slower feed was needed, hence- jagged edges.
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When the hole diameter starts to match the thickness of the material it gets harder to cut. I use a feature called small contour to cut then.....its slower and it pulses the laser on an off. But they can be done with plus or minus .001 tolerance.
What machine are you using??