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| Brass_Machine:
I have some upcoming projects that need some flat pieces cut out of brass, aluminum and plastic. Mainly decorative discs. I really have yet to finish the rebuild of the CNC bench mill... decided to look into a slightly easier method. I found a CNC router using the 8020 style aluminum extrusions. Has some decent reviews. Talked to a few people using one. I decided to pull the trigger and buy one off ebay. ($460 us with steppers) Openbuilds C-beam Machine Some digging and I found a few mods to make it a bit more rigid than it is... but it should work as it will only be cutting soft materials no bigger than 5" in diameter. I also decided to go with the OpenBuilds black box for control. Guess it is a GrBL style controller? Figured it was cheap enough to give it a shot. BlackBox I will be starting a build thread on it in the next couple weeks. Still trying to decide on what I am going to use as a spindle... Eric |
| awemawson:
I’ll be very interested to watch this one Eric. Glad to see that the new job still leaves you relaxation time :thumbup: |
| Joules:
Go for it, I have been looking at the Ooznest offerings here in the UK. https://ooznest.co.uk/product/workbee-cnc-mechanical-kit/#size-colour When I let my big cnc router go I kept the 3 phase brushless spindle in the hope another, smaller router might shoehorn into the workshop. |
| Brass_Machine:
--- Quote from: awemawson on October 23, 2019, 03:09:13 AM ---I’ll be very interested to watch this one Eric. Glad to see that the new job still leaves you relaxation time :thumbup: --- End quote --- Yup... Haven't had time to do much. New job had me fly out to Texas... Got the kit in. Started playing with it a bit. Will post more later in the week. Have to get the kids Halloween costume together first... |
| Brass_Machine:
Ok... Parts came. Went together easily... Then it sat. I kept seeing things to improve. My time was short so I never got to implement them. I decided to rebuild it before I even used it. I ordered the parts to convert it into a different CNC Router. This one was also on OpenBuilds. The Sphinx55 I ended up getting it converted and was able to cut some stuff. Did very well with wood. I was able to get some 3D Carved signs made for presents. It could cut aluminum... but the cuts had to be light and speeds/feeds almost dead on. I traced a lot of the quality issues I was having to some play in the Z axis. I knew this wouldn't be the stiffest things in the world, but I thought it would be better than what it was. I started researching ways to help stiffen things up. I then found THIS: Oooh. I like that. But, I didn't like the 12mm linear rails. I have those on my Ender 3. They are fine for a printer. And I am quite sure, about a million times stiffer than the stock wheels. I just didn't want the 12mm. I email the guy selling the plates and ask him about a set of plates for the 15mm rails instead. He tells me that he designed a kit for the 15mm rails but has not yet machined a set yet. Sign me up! I think to myself... While I am at it. Why not increase the footprint. Right now it is at 500mm by 500mm. Let's make it 1000mm by 500mm. Ordered a flurry of parts Aluminum extrusions for the base 1000mm C Beam and Acme Screw for the X axis Plate kit from Blue Ox Solutions 15mm Linear rails and bearing blocks (1000mm and 500mm(2)) A new Z axis actuator from CNC4Newbie A bunch more bolts/nuts etc... As soon as everything gets here, I will start tearing down and rebuilding. [TL/DR] I am on the 3 rebuild of a CNC router to add 15mm rails to it. |
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