Paul McClayTrying something(s) different here:
- different layout for more compact footprint
- 3d printed parts instead of laser cut parts
- longer and now cheaper generic flavor of motor+screw unit for larger work area
It's still work in progress, but seems like it might work out ok.
The mechanics are a lot like #Minamil: a minimal CNC mill. And friends., but different. Re-design for 3d printing the mechanical parts is not just trivially different from design for 2d laser cut parts. I don't know yet whether to expand that project or start a new project.
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I was actually, planning to build the laser cut version, but using printed parts. Then I see this post and you've, not only, redesigned it for 3d printed parts, but also made it bigger, and more compact. Longer 6mm rods I have. As for the longer motor+screw unit, do you mean the one that has an 80mm screw?
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:)
Motors: yeah. 80mm stroke (screw is ~90mm). With the same white plastic slider -- not the fancy flavor with a brass slider on bearings.
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It looks pretty good to me. Okay, what do I need to order and print to make one?
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I appreciate your interest and would like to help you make one. The unit in that video is a very rough draft and probably not what you want. Unless you're very anxious to get started asap. I'm working on it and hope to have more to show & share soon.
If you want a head start on parts: the hardware is mostly similar to the laser cut version, which you're already following. This one uses the longer version of the motor+screw unit that you'll likely find if you look up the shorter unit used in that version, and 120mm instead of 100mm rods for X&Y. No short rod option for Z.
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Hey Jamie, "soon" is starting to happen.
Check out #Minamil 3dp: another minimal CNC mill and the logs https://hackaday.io/project/192074/log/223146-stls-4-xy-slicing and https://hackaday.io/project/192074/log/223294-parts-to-get-started.
"Public chat" (big yellow button) is open for the project.
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