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Type: Posts; User: Dean448

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  1. Replies
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    Re: New to laser engraving

    It might be worth upgrading the controller if you can’t get it working. Unless you have those programs it’s not worth investing in one just to save that controller.


    Sent from my iPhone using...
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    Re: New to laser engraving

    I’m not familiar with your machine. I’m assuming it’s CO2.

    Normally you don’t need drivers. Lightburn outputs in the format of your controller. You either load the controller using a memory...
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    Re: New to laser engraving

    Look into Lightburn software


    Sent from my iPhone using Tapatalk
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    Re: new laser trouble with servo motor

    Acceleration wouldn’t cause oval circles. Check that the belts are tight. Check all pulleys to shafts to motor are tight. Check calibration on X and Y axis. Does it draw a square? Are all...
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    Re: Y axis Mirror Vertical Adjustment

    There should be no problem aligning your laser as long as the X and Y axis’s are in a plane. Your photos don’t appear however it won’t align if the two Y axis rails are not in a flat plane. Or they...
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    Re: Problems with cutting in corners

    I would do a test burn just before mirror 1. so just beyond the output of the tube. Burn on light wood so you can see the pattern. A good tube would show a pattern like when you burn something...
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    Re: CO2 laser wont turn on.

    I don’t know that machine. I assume the machine runs on but no output form the tube? Most machines have safety switches on doors and will not run if the chiller has an error. Error meaning low...
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    Re: Laser cutting Kydex

    Just glancing at the specifications on that material it says polyvinyl chloride. You can’t cut PVC on a laser because of the chlorine gas and it messes up the machine. You might already know that....
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    Re: Camtech laser problems

    Good to hear, glad I could help. Btw this forum is relatively inactive compared to the Lightburn forum. You might want to check it out. However the trend these days is away from CO2 laser cutters...
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    Re: Burnt Connection to Anode C02 laser tube

    I see no photo but I wouldn’t operate a laser with comprised electrical connections.


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  11. Replies
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    Re: Camtech laser problems

    Btw I’m also harry homeowner but being an engineer I built mine from scratch. I learned a lot about how they work that way. The main difference is that I’m not under pressure to use it for a...
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    Re: Camtech laser problems

    Check out this link:

    https://american-photonics.myshopify.com/blogs/news-and-events/depth-of-field-short-or-long-focal-lengths

    Point is most common lens is 50.8. For engraving go shorter. ...
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    Re: Camtech laser problems

    They should be a perfect surface You can clean them with oven cleaner (that’s what I use) but if they are scratched or pitted then replace them. I think for 100 watts Mo or Si would work. Glass...
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    Re: Camtech laser problems

    Be very careful around a CO2 laser beam. It’s invisible and can scatter off shiny objects and debris on mirrors. Buy CO2 safety glasses or close your eyes when test firing with an open machine. ...
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    Re: Camtech laser problems

    Clean water works fine. I wouldn’t use automotive antifreeze. I use RV or marine antifreeze because it stays clean.
    On that tube test it’s just a 2 second burn at a medium power in light...
  16. Replies
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    Re: Camtech laser problems

    I’ve been on these forums for many years and don’t recall a case where the machine needs a break. However tubes go bad all the time and usually from a not controlling temperature. Also if you...
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    Re: Camtech laser problems

    What chiller are you using? A compressor style chiller is required for a tube that large and wouldn’t vary in temperature like you describe. Any temperature between 16 and 19 degrees would be...
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    Re: Mirror size D12, D18, D20

    For 40w they should all work but if you ever want to upgrade the tube I’d go with 18mm or larger. You don’t pay a penalty for a larger mirror except for cost.


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  19. Replies
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    Re: CNC Making Guitar Amp Chassis

    It’s hard to get a read on your knowledge of laser cutters from this post so I’m going to assume is basic. Most of the lasers discussed here are CO2 or diode style that do not cut metal. Lasers...
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    Re: Laser not firing

    You could prop some wood directly in front of the tube. It will also glow pink if it’s operating.


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  21. Re: Laser Turns on 1 to 2 seconds before Moving

    What commands are you using to turn the laser on?


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  22. Replies
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    Re: Laser head is getting hot

    I would change the mirrors out if you can’t find where it’s hitting metal. Be careful working around a beam that’s deflecting somewhere.


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  23. Replies
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    Re: Add Laser to my existing DIY CNC

    Your correct, the smoothstepper has some laser functionality. No clue how good it is or easy to make anything with.

    I’ve seen many posts where folks want to use their router as a laser...
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    Re: Add Laser to my existing DIY CNC

    In order to fire a laser you send it an on/off signal and a PWM signal. PWM drives the laser power. What input signals exist on your FA02?
    Then you need to output signals from the G540. And...
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    Re: I know nothing.

    I clicked on the link for the TS3 site and see a slick video of a machine that seems no more complicated then push the button and go. The question you will have to answer: is it you or did your...
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    Re: Many dots on Laser Engraved Wood

    Vector art isn’t a real thing. Sure it’s a vector drawing like a DXF outline and art I guess but it won’t allow you to engrave a photo.
    Photos are raster scanned images. They are made up of dots...
  27. Re: Data needed - old 1325 Chinese laser cutting machine

    I think the chance that someone is going to see this post and recognize that machine is low.
    In the mean time I’d consider replacing/upgrading components. New DSP controllers aren’t that costly...
  28. Thread: Air Assist

    by Dean448
    Replies
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    640

    Re: Air Assist

    When cutting or engraving woods I think your best option is to use low pressure, high flow air.


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  29. Re: Laser Tube not getting power after working for 7 years...

    I can see the benefit of an emergency stop switch on a router but not on a laser. The worst you will see is that it ignores a limit switch and the stepper keeps moving so you just shut it down. I...
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    Re: Bumps on curves laser lines

    You should be able to cut a circle out and spin it a full rotation in the wood it came from. That is most likely a mechanical problem.


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