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Thread: Laser Cutting

  1. #1
    Join Date
    Apr 2018
    Location
    Romeo, Mi, US
    Posts
    3

    Default Laser Cutting

    Which one is better 2D or 3D laser cutting?

  2. #2
    Join Date
    Dec 2005
    Location
    Pro Signs, Coal CIty IL
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    277

    Default

    Kind of a trick question. There is no "Z" axis /3d control, on a laser machine. You can control the on/off of the laser beam to burn hotter in some places and less in others to simulate 3d engraving with a laser, but true 3d is a term more suited to a CNC machine.

  3. #3
    Join Date
    Sep 2012
    Location
    Blaine Mn
    Posts
    313

    Default

    The US built machines are actually quite good at 3D- Chinese glass tube lasers will do it but not as well. This is a sample put out by Kern laser in my home town in Minnesota, they are about 2" each and *very* highly detailed. DSC00925.jpg

  4. #4
    Join Date
    Dec 2005
    Location
    Pro Signs, Coal CIty IL
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    277

    Default

    Didn't say a laser can't do 3-d work, just that a CNC is better suited in most cases.
    I do laser engraving, however when I need to remove a lot of material, the CNC is the machine I go to 90% of the time. Just depends on the job. If the job requires deep cuts, the CNC is the way to go. A CO2 laser looses it's focus the deeper it goes. The more out of focus, the less power it has. Again, I'm talking in generalities. Both will do 3d, just a matter of which is more practical for a given job.
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  5. #5
    Join Date
    Sep 2012
    Location
    Blaine Mn
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    Default

    Yep... the right tool for the job. A mech engraver would be hard pressed to engrave the text on the canopy or the ivy leaves on the building. I love lasers, what do you have? I also had a '70 Z-28, is yours an early or late version? Gene

  6. #6
    Join Date
    Dec 2005
    Location
    Pro Signs, Coal CIty IL
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    277

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    Mine is a 100W BossLaser Running RDworks software and PhotoGrav to convert photos. Lasers are great, but I had to defer to the CNC for this job..
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  7. #7
    Join Date
    Dec 2005
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    Pro Signs, Coal CIty IL
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    My Camaro is sort of a hybrid '70. A work in progress that's gone dormant lately. Too many projects, too little time.
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  8. #8
    Join Date
    Sep 2012
    Location
    Blaine Mn
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    313

    Default

    Very nice [signs and car]. I took a class from Dan Sawatzki and a couple others a couple years ago, very interesting and learned a lot but I am 72 and just sold my signshop this year so I can make stuff for me for a change. I finally have the tools and skills to do what I please.

  9. #9
    Join Date
    Mar 2004
    Location
    Delray Beach, FL
    Posts
    3,686

    Default

    Hey Gene:
    Were you in Indiana at the 3d class?

  10. #10
    Join Date
    Dec 2005
    Location
    Pro Signs, Coal CIty IL
    Posts
    277

    Default

    Thanks Gene. I'm 65 so I'm starting to lean towards getting personal projects done too. I've got stuff around here that's been on the list for too long.

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