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  1. Replies
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    Hi Gary, I'm back and forth between Alpharetta...

    Hi Gary,
    I'm back and forth between Alpharetta and Canton.
    I do go slow, out of focus, high-res. I do melt instead of ablate. The problem I've seen with the "contour" method is that the brick...
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    Hi Tim Bateson, Thanks for the info! A couple...

    Hi Tim Bateson,
    Thanks for the info!
    A couple of questions...
    What speed/power did you use to engrave with the fiber?
    What's the wavelength of the laser?
    Thanks again!
    Tim Walters
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    Sticky: Hi Keith, The "Johnson's Plastics Engravers...

    Hi Keith,
    The "Johnson's Plastics Engravers Bible" link isn't working...
    Tim
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    Engraving Bricks

    Hi All,
    I run a small laser-cutting & engraving business just outside of Atlanta, GA. I engrave quite a few clay bricks, and the numbers keep increasing.
    My problem is that I can’t seem to get any...
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    Hi Roy, I built my own laser tube many years...

    Hi Roy,

    I built my own laser tube many years ago. It had high voltage in contact with the cooling water. I switched to antifreeze because it didn't conduct. It also prevented algae growth. Now...
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    Hi All, Thanks for the replies. (Dave - I...

    Hi All,
    Thanks for the replies.

    (Dave - I live in Atlanta, Georgia. It doesn't get cold here...)
    :)

    I discovered that I wasn't using silicone tubing... it was latex.
    I went online and found...
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    Coolant Tubing Advice

    Hi All,
    I've been using silicone rubber tubing as my laser-cutter coolant piping for almost 3 years with no problems... until last night.
    I was running a job and heard a popping noise. I looked...
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    I am -SO- not worthy! :) Nice stuff! Thanks...

    I am -SO- not worthy!
    :)
    Nice stuff!
    Thanks much for the info.
    Tim
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    Thanks again, Dave. I use an Ophir power meter,...

    Thanks again, Dave.
    I use an Ophir power meter, but it maxes out at 60W. What do you use?
    Tim
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    Hi Dave, Thanks for the reply! Concerning...

    Hi Dave,
    Thanks for the reply!
    Concerning tube-life ratings...
    Do they mean beam-on time, laser power supply on-time, shelf life, or something else?
    Tim
  11. Replies
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    New EFR ZX-1250

    Hi All,
    After reading all the good words about these lasers, mine arrived today. However, not a single scrap of documentation was included. I assume that the electrical connections are the small...
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    Hi All, I know this is a couple of weeks old,...

    Hi All,
    I know this is a couple of weeks old, but I have some info on this...

    I did a memorial on granite a while back (see attached) and used the Marine eagle, globe and anchor emblem.

    I...
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    Hi Mike & Ross, Thanks for the replies. I...

    Hi Mike & Ross,

    Thanks for the replies.

    I guess I should have asked what YOU would have charged for that job. I didn't have a choice on the material. I've already completed the job. I seriously...
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    Pricing Question

    Hi All,
    I'd like to get your thoughts on pricing...
    I had a vectoring job to do (1,500 3" x 1.5" name badges) with my 60W (Chinese tube) home-built system.
    The 1/8" acrylic was supplied to me with...
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    Hi All, The gasket for my blender died. I had...

    Hi All,

    The gasket for my blender died. I had some food-grade silicone around, so I measured the old gasket and cut a new one.
    My wife bought a shelf "assembly" for the bathroom that attached to...
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    Hi All, I use a CPAP machine (the kind used...

    Hi All,

    I use a CPAP machine (the kind used for sleep apnea) for my air assist.

    It's VERY quiet, made for long hours of operation, has good airflow, and it's made to push into a fairly long...
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