deep cutting wood

General knowledge about laser here.

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deep cutting wood

Post by philr » Sat Oct 01, 2016 5:15 pm

I have not seen this question and am hoping that someone might be able to provide an answer.

A client wants me to laser a sign made of wood (California redwood). He has had signs in the past made using a router and has not been pleased. However he does like the "deep" grooves that the routers make.

In the past I have made deep laser cuts using a series of passes. Unfortunately in some cases the surrounding surface wood was scorched.

Am I better off reducing the number of passes by increasing the power and reducing the speed, or am I better off using the normal settings and making more passes? Also, will masking the top of the wood help or hinder the process?

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Re: deep cutting wood

Post by LINUS » Sun Oct 02, 2016 5:01 pm

laser cutter no good to deep cutting wood.But in my opinion,you can try to use high pressure air compressor: provides the compressed air with greater pressure than the air pump so as to prevent flammable material burning on wood laser cutting machine.
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Re: deep cutting wood

Post by Wayne » Mon Oct 03, 2016 10:55 pm

Using the engraving function, high pressure air and high power I can carve 6mm on our 150W machine when doing signs, masking the surface can help, but you can get rid of a lot of surface charring by putting the wooden piece under running water ( after its cut ) and using a soft brush to loosen any debris/soot

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Re: deep cutting wood

Post by HLN » Tue Oct 04, 2016 9:38 pm

From my experience of using Argon gas, that could be another solution for you. But you will need 90% close chamber for better effect.
When I weld or cut, Argon gas shield around the object to prevent from oxidation. I am not so sure with wood work, never tried it before. Just sharing my thought.

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deep cutting wood

Post by Marcjaxl » Thu Oct 12, 2017 9:11 am

Sounds like it might have been successful. BTW I wouldnt normally expect the oil to penetrate to the middle of the wood - just a little bit into the surface.
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deep cutting wood

Post by agisorieri » Thu Oct 12, 2017 7:05 pm

Hi guys,

im new here and trying to get some help with doing some small project.
anyone have experience with cutting/CNC milling on resin/stabilize wood?

can anyone recommend some suitable machine/tools for above?

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