Does somebody with experience with Laser cutting?

I have the next situation:

A client use a special software to shoe designs. This software can create DXF files, so we can import the designs to Rhino.

The problem occurs when we want to send to the Laser machine, it takes more than 5-10 minutes to send it. We check that the laser properties includes only vectors, small thikness, etc.

We apply blocks to reduce file size , because commonly there are only 2 pieces that repeats to fill the bed of the laser. So the size "aparently" is not the size. The average file size of the files are 400-600 kb.

I tried to use the convert command to generate Rhino curves, instead of use DXF segments lines on the work.

Does somebody had the same situation? recomendations?

Jesus Lopez

Tags: Laser, Rhino

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Permalink Reply by Helvetosaur on February 21, 2013 at 9:41am

What laser are you using?  How are you "sending" the file to the laser - does it have a printer driver or do you have to create another export file?

I suspect you are tessellating your curves far too finely and that is choking your laser software.

I don't think blocks are good in this case, as the laser doesn't know anything about blocks, the DXF file needs "discreet" geometry.

If you can post input/output DXF files, I or someone else can take a look.

----H

Permalink Reply by Jesus Lopez on February 21, 2013 at 10:32am

Hello, the file is sending thru printer driver.
I set the line to default thikness (the original DXF file used bigger size)
I sent another files that includes blocks, and the blocks use "less" curve segments and works fine
If We explode the blocks (to become only geometries) the files goes up to 8-10 MB. And the file transfer is the same (sometimes more than 10 min)

I Attached an example file (Yellow color ase used only as annotations and orientation geometries, but we disabled at the moment we sent to the laser)

Thanks
Jesus Lopez

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Permalink Reply by Helvetosaur on February 22, 2013 at 8:48am

I don't know what the problem could be...  I sent the file as a test to our Epilog laser, and it sends in about 2 seconds, exploding blocks or not...

----H

Permalink Reply by Jesus Lopez on February 22, 2013 at 8:59am

Maybe the Operating system? Our computer have Windows XP a 1GB RAM. Rhinoceros 4 SR9 DEMO

or maybe is the laser driver :(

Jesus Lopez

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