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Thread: cutting thin steel with a 300 watt laser

  1. #1

    cutting thin steel with a 300 watt laser

    experimenting a bit used 55psi air vs O2 to assist in cutting thin metals (1.20 mm)

    https://youtu.be/k1xVzyEyc70
    turned out ok and lightburn worked well , I can now make my own blanks for the fiber laser
    Attached Images Attached Images

  2. #2
    Join Date
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    Impressive, I would love to be able to lase cut metal.

  3. #3
    At first I was turned off because of the gas assist cost and how quickly is goes, so it adds to the cost
    But thin stainless 1.20 mm can be cut with 60 psi air and air does not cost so that excited me
    But it does cut better with O2 if you use thicker material like thicker stainless
    Its very interesting and I got back to it because of the fiber laser, so i now make my own blanks
    and it might be cost effective
    But it does not take the place of plasma , but might on very small items ...jewelry coins etc it does
    a more detailed job , in fact the fiber laser does very detailed work
    Anyhow its something new to learn and master and then use as tool
    Last edited by stan kern; 05-15-2024 at 1:26 PM.

  4. #4
    Join Date
    Feb 2003
    Location
    Hayes, Virginia
    Posts
    14,791

  5. #5

    blanks

    Blanks
    I have been buying laser engrave blanks from amazon but now that the 300 watt laser is cutting metal really good
    I will be cutting my own and i have so far some stainless and some just carbon steel and i was quite surprised what these
    look like when sanded up (320 grit sandpaper)
    Just the ordinary steel 2 inch blanks look great
    attached are photos of just carbon steel sanded (280-320 grit) and engraved you cannot beat just plain steel ---its amazing
    Attached Images Attached Images
    Last edited by stan kern; 05-16-2024 at 7:13 PM. Reason: add photos

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