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Type: Posts; User: mondo50m

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  1. Replies
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    Trying to get my machine running again

    Yes!! I have a Chinese K40 laser. I have had it for about 6 years now. It used to run great until my computer hard drive crashed. I am now running the latest version of LaserCad and have...
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    Re: How to waterproof laser cut acrylic box

    Ok, guys. I did not say not to use anything that you want. Normal silicone contains ammonia....as I stated....do not use it. It will kill the fish. Ammonia is the death of tropical and marine...
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    Re: How to waterproof laser cut acrylic box

    Remember, you have to be careful of anything put in a fish tank. Toxic chemicals will kill fish very easily. There is a special silicone that can be obtained at any aquarium store that will not...
  4. Re: Chinese K3020 (DC 40, K40) Surprisingly Good!

    Where did you get the STL for the above air and laser holder? I have searched both Thingiverse and Youmagine with no results similar to yours. Is there a link that you can give us? Or, perhaps,...
  5. Re: K40 Drifting while traveling between cuts

    There is a rod underneath the black piece of metal in the very front of the cutter frame. Remove the two screws on the ends of the plate and check that the rod is not moving when you slightly twist...
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    Re: Quick and easy Laser Chiller

    Nice job on that. How long can you run the laser before starting the cooler again to drop the temperature? I may have to be doing this myself.

    Milt
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    Re: K40 chinese laser 40w C02 tube supplier

    I am confused. If you have a K40 that is not upgraded in any way, then you must be running a 40w tube and power supply. The tube should be the 700mm length in order to fit into the machine. And,...
  8. Thread: Synrad lasers

    by mondo50m
    Replies
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    1,397

    Re: Synrad lasers

    Calling people ignorant is NO way to sell anything.
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    Re: Chinese laser engraver cutter

    Deleted
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    Re: Chinese laser engraver cutter

    I'm sorry to crash the party. I am really over some people claiming that nothing can be done to help the K40. I have had mine for over 3 years now. Yes, I did upgrade with a DSP controller kit...
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    Re: Chinese laser engraver cutter

    Which machine did he purchase? If it is a K40, he can always upgrade it to a better unit by installing a DSP controller in it. It can be purchased at lightobject.com and is not all that difficult...
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    Re: laser shadowing

    Looks like your beam may be hitting the sides of your air assist before exiting. Make sure the beam is centered really well.
  13. Re: Best controll board for 40w china laser, grayscale/ 3d?

    This is why I do not post very often. As a courtesy, I thought I would let you know that you would probably need to replace your power supply if you were getting a 50w tube. You made no mention of...
  14. Re: Best controll board for 40w china laser, grayscale/ 3d?

    I am not an expert, but if you are getting a 50w laser, you will also need a power supply that can handle it. I believe that the power supply that comes with a K40 is rated for 40w not 50w. Wait...
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    Re: HELP: K40 chinese laser won't cut in wood

    OK. Some people should not even post. The K40 machine is more than adequate to cut 3mm plywood. I do it everyday with mine. My machine has been converted to the very AWC608 that you are referring...
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    Re: a new video about cutting paper fish

    Why not post the drawing so we can give it a go on our machines

    Milt
  17. Replies
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    Re: k40 chinese laser nebie questions

    Get rid of the styrofoam....for packing only. I operate mine between 60 and 76 degrees F. The temps stated are what I use, others have different preferences. Most users upgrade to the DSP unit. ...
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    Re: K40 laser quit firing (upgraded)

    What printer did you get, Scott?

    Milt
  19. Replies
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    Re: DIY - Honeycomb bed

    Try this place.

    White Aluminum Eggcrate

    Should be able to get a few pieces out of it.

    Milt
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    Re: Chinese 40W Machine Expectations

    All of the above is just what I have been trying to tell everyone for the last 2 years. That is how old my K40 is. Mine has been upgraded with the DSP unit. You CAN NOT buy a DSP controlled unit...
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    Re: Scary Laser Behaviour

    Answered your own questions. Yes, insulate the end that is arcing. You can do this by using a mass of silicone around the connection. I wrapped the bare wire around the insulation. The took a...
  22. Re: Redsail M700 Laser cutter / engraver experience

    YUP!! Tighten it up.

    Milt
  23. Re: Just bought the 40W Laser Cutter from strong_signstech

    Post deleted.....resurrection of an old post.
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    Re: Raised Edge on Laser Cut Acrylic

    Just a thought, but I never use air assist when cutting acrylic. The air assist seems to cool the plastic too quickly. Just a thought.

    Milt
  25. Re: Laser in the garage over the winter... Antifreeze?

    As far as I am concerned, you can ask ANY question ANY time that you feel necessary. This is a forum for those of us who own a laser cutter/engraver. If we can not answer questions, either one...
  26. Thread: @mondo50m

    by mondo50m
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    870

    Re: @mondo50m

    I did it on my 3D printer. I am not sure if I still have the STL files. But, if you have a printer, I will send them to you if I can find them.

    Milt
  27. Replies
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    Re: Another cheap chinese laser problem

    Absolutely!! In the first (left hand) engraving the beam is on center (or it should be). As the gantry travels to the right, the beam, if not properly aligned, will wander to either side of the...
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    Re: Another cheap chinese laser problem

    You will have to search on this site to find how to align the mirrors. It is rather easy to do, but involved if this is the first time. Also, it will reduce in power if it is not running cool...
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    Re: Another cheap chinese laser problem

    It probably needs to get the mirrors aligned. Also, make sure all of the mirrors and the focus lens is clean.

    Milt
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    Re: Need corel help

    Sorry, but not that I am aware of.

    Milt
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