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Type: Posts; User: Trakyan

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  1. Replies
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    I think you can do cheaper than 1k on a self...

    I think you can do cheaper than 1k on a self sourced machine. Chinese machines with aluminium profiles and leadscrews can be found for 200-600 in various sizes. You could build something like the...
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    Not yet, but I am planning to. Mine will be low...

    Not yet, but I am planning to. Mine will be low cost, no more than a couple hundred dollars and 1-0.5m square cutting area. How big was the CNC at your makerspace? I don't imagine it could be too big...
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    My version of the gus is still unfinished, and...

    My version of the gus is still unfinished, and then i still need to find the cash to build and test it, so no rush. If youre ready to build before i can release jfriesen did a revision a while ago...
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    The most important piece of advice for the...

    The most important piece of advice for the machine itself. CA's point about fume extraction is also very important for the actual use of the machine. I'll admit it's not so bad with wood and leather,...
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    The laser was CAs idea, so I can't take credit....

    The laser was CAs idea, so I can't take credit. But now that you've mentiomed you only want to work with a few mm thick wood, I would say something like a 5w diodr laser mounted instead of an...
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    Wow, amazing job on it. The hard work really...

    Wow, amazing job on it. The hard work really shows off in the final piece though. SLA printers might be better for your use, you wont see layer lines so no need for sanding so much, maybe where...
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    We can see it, and I think the mobile version...

    We can see it, and I think the mobile version makes things a bit weird. On my phone every other post shows up as a really long message constructed of 3/4 character lines.

    Looks awesome by the way,...
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    I have an STL of the gear arm posted on the...

    I have an STL of the gear arm posted on the inverted delta thread (it's why I revived it). It uses the second type of chamfer as it does eat up less of the gear and I figured that was more important...
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    It should take up a similar amount of space to an...

    It should take up a similar amount of space to an i3 with a cantilevered X axis. Something like the Cetus 3D printer or Tronxy X1. It would take up a bit more room on the Z due to the scissor like...
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    While i know you said you didnt want people...

    While i know you said you didnt want people saying stuff like the above, he has a point. Cnc machines and 3d printers have totally different needs and opposing design philosophies. For a 3d printer...
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    Sorry, my bad, i remember it having a circular...

    Sorry, my bad, i remember it having a circular bed and I guess i jumped to conclusions.

    Low poly is an aesthetic, not nessecarily a point behind it. I like them because they remind me of crystal...
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    The gold (brass) thing in the picture is the nut,...

    The gold (brass) thing in the picture is the nut, not screw, so I'll answer based on thinking you replaced the nut.
    Those bands looks very regular, it could be z wobble. Can you measure the distance...
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    The Kappa works just like a typical polar printer...

    The Kappa works just like a typical polar printer that moves the print head up and down and in a straigbt line along the bed, then rotates the bed to access the rest of the build volume. It can do...
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    The rep rap Helios has two actuated joints on the...

    The rep rap Helios has two actuated joints on the arm, the "shoulder" and "elbow". So the arm itself provides all your reach in X and Y, then the end effector moves in Z.

    The sculpto has one joint...
  15. Thread: Inverted Delta

    by Trakyan
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    I know I'm reviving an old thread, but I didn't...

    I know I'm reviving an old thread, but I didn't think I should start a new one. The arm halves are done :-)
    See STL attached. It's one half of an arm, the other half is identical except I tell the...
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    If I may be so self centered as to ask if you'd...

    If I may be so self centered as to ask if you'd be interested in building my revision of the gus simpson? I've just finished the arms for the design and the rest should soon follow. I'm hoping to...
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    Like I said, they serve the exact same function....

    Like I said, they serve the exact same function. That is to negate any effects over squashed first layers may have on the gears meshing.
  18. I'm not saying issues can't be troubleshooted,...

    I'm not saying issues can't be troubleshooted, just that it will be harder. There isn't really a way to tell what the issue is off the bat, you need to check everything. That being said, with a...
  19. On a delta vs cartesian decision, I'd personally...

    On a delta vs cartesian decision, I'd personally have to disagree with CA. Deltas are much harder to troubleshoot. If you want a delta to draw a line XXmm in length, you need three motors moving,...
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    The tooth profile is cycloidal rather than...

    The tooth profile is cycloidal rather than involute which you're probably used to, which is why they would look weird. Cycloidal gears have a rolling point of contact rather than the sliding point of...
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    Which one looks better?

    So I'm working on a project which involves gears, and I've got the option of two types of chamfers I can put on. They both serve the purpose I'm intending, but aesthetically they look quite...
  22. Well, if you can afford it, by all means? Might I...

    Well, if you can afford it, by all means? Might I ask what you'll use them all for? You mentioned printing for friends, the only requests I've had was from a friend of mine wanting a phone case.
  23. The oval issue could be from an hbot design that...

    The oval issue could be from an hbot design that isnt stiff enough. Like i mentioned hbots have a tendancy to rack and put torque on the frame so it might twist out of square if its not rigid enough....
  24. From what I understand HBot and coreXY are very...

    From what I understand HBot and coreXY are very similar and have the same(?) kinematics. The difference being coreXY uses longer belts to route them in a way so the moments from the belt tension...
  25. The Tronxy Ender 4 doesn't look like an Hbot to...

    The Tronxy Ender 4 doesn't look like an Hbot to me. If you look opposite where the XY motors are mounted (pic #3 shows it well), the belt is run from one y rail to the other (basically, parrallel to...
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