Laser Cutting Head July 03, 2008 12:42PM |
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Re: Laser Cutting Head July 22, 2008 03:18AM |
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Re: Laser Cutting Head July 23, 2008 06:19AM |
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I think perhaps the best option for a RepRap laser cutting head would be a carbon dioxide gas laser.
Re: Laser Cutting Head July 23, 2008 07:59AM |
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Re: Laser Cutting Head July 25, 2008 07:14AM |
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Re: Laser Cutting Head July 25, 2008 07:17AM |
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Gas lasers are very rugged
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It is true that they are expensive. However, any laser with enough power to cut effectively will be expensive (until we can get a RepRap toolhead that can make glass tubes; that'd be cool). You're paying for the power. The truth is, for cutting, you'd probably spend less on a CO2 laser than a Nd:YAG
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This simply isn't true. A laser powerful enough to cut through steel (which is what Nd:YAG and CO2 lasers are commonly used for) when focused will burn things even when unfocused.
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The chance of screwing up the target object are high, especially in the first year or so of development
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In any case, the biggest barrier to a laser cutting head will be cost. Having to mount an $800 head on a $300 machine is just discouraging. Perhaps we can look into glass rapid prototyping and other materials, etc.