Hi everyone!
After a long design phase, with several restart-again moments, I got my CoreXY motion stage design finished. I draw a lot of inspiration everywhere, but my main sources where UMMD by our Doctor Mark Rehost, and the E3D Toolchanger.
Main design goals where:
- Simple, but sturdy, metal mounts whereever possible
- Linear rail motion. I've tested wheels on V-Slot, linear rods and linear guides, and I swear for guides
- Built from aluminium profiles. I finally used a mix of 3030, 6030 and 2010, depending the use case
- 9mm Gates belt and pulleys, smooth for back side and toothed for teeth side, but minimizing toothed ones (I got it just with one toothed by belt!)
- 300x300 bed size
- E3D toolchanger compatibility (for all 4 tools)
- Minimum posible printer size, given the bed size and toolchanger movement margins. I got it a 560x560mm, wich fits my aim of having it inside of a wardrobe
- Autoenclosed to be able to print ABS
- I know is not the best option, but wanted the linear rails directly on the aluminium extrusions. I've already done some cartesians printers this way and the result has been superb.
- After all of this, price was not the main driver (mind you, I want to use E3D Toolchanger), so keeping it reasonable is enough
Being an all-metal construction was a must for me, and I wandered back and forth with how to do it. I tried a complete "CNC from chunck of aluminium design", but the parts got terribly expensive. Then I tried a "metal lego" of several smaller pieces, but I was not that fond of the huge number of screws. Then I returned to my original inspiration from Mark Rehorst's UMMD, and designed it around aluminium square tubes.
So, now I'm about to order the metal pieces (need to finish the bed's pieces too), but I wanted to show you the design just in case there's an obvious fail I haven't seen, or even if someone also wants the metal pieces for his own design, to share CNC costs.
Thanks everybody!
After a long design phase, with several restart-again moments, I got my CoreXY motion stage design finished. I draw a lot of inspiration everywhere, but my main sources where UMMD by our Doctor Mark Rehost, and the E3D Toolchanger.
Main design goals where:
- Simple, but sturdy, metal mounts whereever possible
- Linear rail motion. I've tested wheels on V-Slot, linear rods and linear guides, and I swear for guides
- Built from aluminium profiles. I finally used a mix of 3030, 6030 and 2010, depending the use case
- 9mm Gates belt and pulleys, smooth for back side and toothed for teeth side, but minimizing toothed ones (I got it just with one toothed by belt!)
- 300x300 bed size
- E3D toolchanger compatibility (for all 4 tools)
- Minimum posible printer size, given the bed size and toolchanger movement margins. I got it a 560x560mm, wich fits my aim of having it inside of a wardrobe
- Autoenclosed to be able to print ABS
- I know is not the best option, but wanted the linear rails directly on the aluminium extrusions. I've already done some cartesians printers this way and the result has been superb.
- After all of this, price was not the main driver (mind you, I want to use E3D Toolchanger), so keeping it reasonable is enough
Being an all-metal construction was a must for me, and I wandered back and forth with how to do it. I tried a complete "CNC from chunck of aluminium design", but the parts got terribly expensive. Then I tried a "metal lego" of several smaller pieces, but I was not that fond of the huge number of screws. Then I returned to my original inspiration from Mark Rehorst's UMMD, and designed it around aluminium square tubes.
So, now I'm about to order the metal pieces (need to finish the bed's pieces too), but I wanted to show you the design just in case there's an obvious fail I haven't seen, or even if someone also wants the metal pieces for his own design, to share CNC costs.
Thanks everybody!