• 2 Posts
  • 16 Comments
Joined 1 year ago
Cake day: June 13th, 2023
  • eldoom@lemm.eeto3DPrinting@lemmy.world•Designed and printed an air assist nozzle for my laser cutter.English
    3·
    11 months ago

    Oh yeah that’s a pretty solid benefit right there. I swear the oddest things will block them from cutting. I didn’t even consider the smoke diffusing the beam.

    Like the most powerful laser I’ve used won’t cut through a paper sticker or even the residue but it’ll cut through .75" steel like it’s nothing.

    The optics is a big deal too. On the big ones everything is pretty reasonably sized and they’re still a pain to clean. I can’t imagine what it’s like with those tiny ones. Also, those larger lasers lenses are really commonly coated in thorium and a speck gets on there it’s going to superheat and vaporize a lot of the lense. Pretty damn dangerous to be around lol!

  • eldoom@lemm.eeto3DPrinting@lemmy.world•Designed and printed an air assist nozzle for my laser cutter.English
    4·
    11 months ago

    CNC laser operator here.

    I don’t know about these lower power lasers so I may be wrong. With the lasers I’ve used (200-2000W), the air/oxygen is used to create a superheated jacket of gas around the laser which allows it to cut a nice smooth edge. It also has the added benefit of blowing away the slag/dross that’s created.

    When we cut more temperature sensitive materials like aluminum and stainless we use nitrogen, which cools the material. This creates a pretty jagged deal with the dross that you gotta sand off but it prevents blowouts and really creates a nice edge if you get the pressure dialed in just right.

  • eldoom@lemm.eetomemes@lemmy.world•Look at them going about their lives, unaware of what's to come.
    544·
    1 year ago

    I once did that on St. Patrick’s Day but with $20 worth of Flogging Molly - Drunken Lullabies. Except for I hit every bar in town.

    Get there, get a pitcher of beer with green food coloring, order up $20 worth of Drunken Lullabies, then go on to the next bar once it starts playing. I think most of them were like 2-3 plays per dollar so 40-60 times…

    By the time I had gotten to the last bar, there were a couple people crying. Like EVERY single bar in town was only playing Drunken Lullabies all day.

    My God it was glorious.

  • eldoom@lemm.eeOPtoConnect for Lemmy App@lemmy.ca•Can we please get a subscribed feed option?
    2·
    1 year ago

    Idk what client you’re using, I’m using connect. But I was told that if you hit the 3 lines on the top left and select front page it should be exactly that?

    I don’t really like the way it’s organized though. And I wasn’t subscribed to enough communities when I posted this to actually populate it adequately… It might be better now that I’ve got the “hide read posts” and “scrolling past posts marks as read” options on. But I’ve still been looking at all and trying to find communities when I think of them