DIY-CNC-machine
Hardware
cnc machine
SHOW HN2021
How HN took it
10 positive, 23 neutral or asking, 3 mixed, 7 critical, out of 43 comments about the project. Thread score +0.11.
Docs: 4 for, 0 againstDesign: 1 for, 3 againstIdea: 3 for, 0 againstPerformance: 0 for, 2 againstPricing: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Excellent, detailed open tutorial and README with images
From 3 comments
Hey, this is a great project. I am working on a project that involves both hardware and software much like your CNC project. I especially like how the README.md is exquisitely…
mayapugai on HNThe pictures on that README are insane! So HELPFUL! And, I already have that same Makita router so I am more tempted to try this... because of the pictures!
ElijahLynn on HNThanks for this guide! Just realized I have everything I need on-hand to follow your guide & wanted to comment and let you know I plan to follow it this weekend. Looking forward…
malwrar on HN
Cool project and well executed
From 2 comments
very cool! thanks for sharing. I don't have the equipments to drill holes on aluminum parts, I will probably need to use https://8020.net/ to build one.
billconan on HNMost hobby CNC projects have only 3 degrees of freedom, whereas most high-end commercial projects have a few DOFs more.
amelius on HN
Objections
Aluminium extrusion frame lacks stiffness compared to steel
From 1 comment
For anything CNC, there's no substitution for stiffness. And you're not going to get that with aluminum extrusions. Something like the PrintNC would be 1,000 times more capable…
metal_am on HN
Stepper torque and gearing questioned; Grbl_Esp32 with external drivers suggested
From 1 comment
I understand you put thought and time into your approach and it was a hobby to learn more abotu the process (and thus you know about MPCNC but decided to make your own). I've…
dekhn on HN
Requests
Gerber files for newer CNC shield versions
From 1 comment
The CNC Shield is a blessing, shame the Gerber files aren't being published for newer versions.
eduardosalaz on HN
Replace 3D printed parts with machined aluminium parts
From 1 comment
Awesome. Can it mill aluminum? If so, would you consider replacing some of the 3D printed parts with machined parts?
zwieback on HN
Questions
Cost estimate for the build
From 1 comment
Really neat project! Maybe I missed it, but is there a general cost estimate anywhere? I saw the BoM, and assume most the cost is in the router and stepper motors, but is this…
jaxn on HN
How accurate is it
From 1 comment
Do you know how accurate it is?
cinntaile on HN
Alternatives named
Mostly Printed CNC (MPCNC)
From 2 comments
You might also want to look at the mostly printed CNC, which uses standard conduit/pipe for the frame. https://docs.v1engineering.com/mpcnc/intro/
arnado on HNI built myself a Mostly Printed CNC: https://docs.v1engineering.com/mpcnc/intro/ It works really well, and as yet I have yet to kill it, for me that's a good metric.
robinduckett on HN
PrintNC
From 1 comment
For anything CNC, there's no substitution for stiffness. And you're not going to get that with aluminum extrusions. Something like the PrintNC would be 1,000 times more capable…
metal_am on HN
Root CNC
From 1 comment
Reminds me of the Root CNC project. https://rootcnc.com/ Great work!
j_walter on HN