>buy $10,000 machine. >someone emails you a 3D model. >click "run". >mail them whatever they ordered

>buy $10,000 machine
>someone emails you a 3D model
>click "run"
>mail them whatever they ordered
>easy $800
How can you go wrong with a CNC business?

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  1. 1 week ago
    Anonymous

    >people don't send you a 3D model
    >die

    • 1 week ago
      Anonymous

      That's where you blow the dust off of "Machining for dummies" and get to work

      • 1 week ago
        Anonymous

        >get to work
        get to work on what?

        Chances are that even if you do find a relatively profitable niche, you'll be buying raw material at such a high price (low volume), and your single $10k machine have such a low yield that your *cost* per unit will be more than the retail price of your more experienced, larger competitors.

        Your $10k machine + your lack of experience won't be able to compete at the other end of the market either (high price, low volume, high quality).

        The only work you'll be doing is figuring out how to sell the machine for as close to $10k as possible.

    • 1 week ago
      Anonymous

      >person sends you 3D bomb
      >print 3D bomb after 8hrs
      >3D bomb go 3D boom
      >3D die

  2. 1 week ago
    Anonymous

    I've worked in precision metal fabrication, shit used in medical, aerospace, semiconductor blah blah blah you get it. Shit requires extreme precision, sometimes tolerances at .005 inches or lower. The guys running the machines had all been doing it for 10+ years.

    • 1 week ago
      Anonymous

      >sometimes tolerances at .005 inches or lower
      that's not that impressive tbh. i worked in a carbon fiber factory that made, among other things, temples for rayban and our tolerances were 0,05mm which google tells me equals to 0,001968504in

      • 1 week ago
        Anonymous

        Back in the good ol days they'd get one ten thousandth of an inch by hand

      • 1 week ago
        Anonymous

        >tolerances were 0,05mm

        Back in the good ol days they'd get one ten thousandth of an inch by hand

        >ten thousandth of an inch
        Very beginner level.
        Witness next level Chad.
        5nm = ~40 atoms.
        Sloppy.
        But it is just a test piece.

      • 1 week ago
        Anonymous

        I can't recall for sure what the tolerances were for a few reasons. I haven't worked there in a while, I tried really hard to forget everything about that fricking place, and also I worked in the wire department so I wasn't in the CNC room often. These were components made from gold and platinum alloys. I assume the material has some influence on how tight the tolerances can be. Wire was drown down to as low as .0003" (.00762mm) inches and ribbon was rolled to .00025" (.00635mm) thickness. Standard tolerance was +/- 10%
        I just didn't bring any of that up because it's not relevant to a thread about CNC machining.

      • 1 week ago
        Anonymous

        I can't recall for sure what the tolerances were for a few reasons. I haven't worked there in a while, I tried really hard to forget everything about that fricking place, and also I worked in the wire department so I wasn't in the CNC room often. These were components made from gold and platinum alloys. I assume the material has some influence on how tight the tolerances can be. Wire was drown down to as low as .0003" (.00762mm) inches and ribbon was rolled to .00025" (.00635mm) thickness. Standard tolerance was +/- 10%
        I just didn't bring any of that up because it's not relevant to a thread about CNC machining.

        It's also besides the point because I only posted to illustrate that OP is a homosexual who thinks he can just magically gain years of craftwork

      • 1 week ago
        Anonymous

        A lot of the tolerances in the shop I worked at were +/- .001". Up to +.0001 -.0000" That's standard for aerospace/defense

        https://i.imgur.com/7sUvQeI.jpeg

        >buy $10,000 machine
        >someone emails you a 3D model
        >click "run"
        >mail them whatever they ordered
        >easy $800
        How can you go wrong with a CNC business?

        You won't find a new cnc machine for 10k. Anything used will most likely need parts or repairs/calibration. You would have to know how to 3D model and CNC program, which aren't too crazy to learn. But any programming mistakes can and will cause your machine to crash, destroying whatever it runs into. So the start cost is high, cost of errors is high, but once everything is up and running you can make valuable parts to sell. Cost of upkeep is a little high too with cutting oils, tools, tool holders, work piece holders the like

      • 1 week ago
        Anonymous

        >woud

      • 1 week ago
        Anonymous

        i work within 2mm and the customer will fricking like it !

    • 1 week ago
      Anonymous

      *.0005

    • 1 week ago
      Anonymous

      don't expect IQfy moron jerk offs to understand that there are shops ran by oldheads with 20 years of experience whose sole autism to solving problems and making jobs run faster on 5-axis setups

  3. 1 week ago
    Anonymous

    >buy t-shirt printing machine
    >someone emails you a design they want
    >click "print my mufuggin t-shirt homie.exe"
    >fire that shit right up their ass with a cannon
    >easy 1 gorillion dollars
    How can you go wrong with being a moron?

    • 1 week ago
      Anonymous

      >youwereserious.gif

    • 1 week ago
      Anonymous

      >click "run"
      >spindle fricks off to otherside of garage at several thousand miles per hour
      >check console
      >correct 0.1 offset to 0.01
      >buy new spindle
      >wait for it to arrive
      >refit it
      >Start ocding out over 0s
      >click "run"
      >customer returns part, not happy with surface finish
      >create youtube channel about owning your own shop, making honest money
      >realise there are already 3000 other channels doing the same thing and you have to hit 1000 sub to get 7 cents
      >"just got to wait for the algos to kick in"
      >algos don't kick in
      >15 years later, find cnc mill buried under boxes in garage. Resale it and discover the guy that got it for 200 bucks is weighing it in as scrap.

      ^this guy gets it. Think more customised buttplugs for tiktok ecelebs though.

      • 1 week ago
        Anonymous

        >mounts indexer
        >runs setup piece
        >sends table home with tool in spindle
        >destroys 10k indexable end mill

      • 1 week ago
        Anonymous

        >sometimes tolerances at .005 inches or lower
        that's not that impressive tbh. i worked in a carbon fiber factory that made, among other things, temples for rayban and our tolerances were 0,05mm which google tells me equals to 0,001968504in

        >tolerances were 0,05mm
        [...]
        >ten thousandth of an inch
        Very beginner level.
        Witness next level Chad.
        5nm = ~40 atoms.
        Sloppy.
        But it is just a test piece.

        idk, what low quality burgers need but here in europe you normally manufacture with certain general tolerance depending on size of the dimension
        for example
        0 - 6 mm = +/- 0,1mm
        6-30 mm = +/- 0,2mm
        >30 mm = +/- 0,3mm

        so a dimension with 16,4mm would be tolerated with +/- 0,2mm. I work in a field with very small and precise parts (defence, nuclear and aero) and we normally have tolerances of 0,1mm to 0,05mm and surface finishes of Ra 3,2 to 1,6. shit like this is not even expensive and can be done with normal 250k€ machines with <100 tools. we often just order shit directly from China/Hong Kong and its even faster than to order it from other european countries.

        • 1 week ago
          Anonymous

          *<100€ tools

        • 1 week ago
          Anonymous

          it's super lame if the variance is actually that much. visibly inconsistent.

        • 1 week ago
          Anonymous

          >0 - 6 mm = +/- 0,1mm
          Lmao. That's a tolerance of 4 thou. That's baby tier.
          >250k€ machines
          Also baby tier.

  4. 1 week ago
    Anonymous

    meanwhile the chinese make these for like $10 shipped

  5. 1 week ago
    Anonymous

    It's all about getting customers.

    Your average normie consumer has no need for shit like this.

    Your average person/company who does have a need for shit like this gets it done at specialized companies who either offer high quality, or cheaper price due to scale (automated process, bulk orders, etc.).

    If you can find a niche that fits in between these groups and successfully market to it then maybe. But it's hell of a lot more work than just buying a machine and throwing up some ads on Google.

    Not exactly the same thing, but look how much PCB manufacturing costs these days https://jlcpcb.com/ and look at the YouTube videos of their factory.

    • 1 week ago
      Anonymous

      Oh wait, they now do CNC and 3D printing too. https://jlc3dp.com/

  6. 1 week ago
    Anonymous

    Seems very complicated and only possible with lots of space.
    Any better ideas?

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