Z Axis Bearing Support
Description
I don't really like bushings so I will slowly be moving to bearings where ever I can. I liked Jetguys idea and it makes good mechanical sense. But one I didn't really want to modify my ToM permanently with the tubes and I would have to pull it apart more to do that. Two I wanted to get bearings on the Z axis. My first thought was to use a linear bearing and it still may go that way. But this seems to be working from my preliminary tests. I haven't done any hi speed tests or anything of the sort. Just a basic cube.
This may be a WIP not sure :) we'll have to see how this one works out and see if there are any improvements. If any one else builds this I would really like to know your results. This was designed for the HBP it won't fit with the ABP.
Instructions
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This made the Z-Axis travel VERY smooth. The ABP not fitting is a small issue. I am thinking of attaching a small stop block to the back of the X Stage that will cause it to stop short of the Y Axis endstop. Not sure if this is a good idea or not -- sacrificing about 22mm of Y axis travel for the ABP builds. I guess I need to know how big the bucket of octopi is before I make my decision. Worst comes to worst, I can always take the supports off.
My only suggestion is the the arches in the corners need to be about 5mm higher to get the bolt in easily.
GREAT idea. THANKS!
Great Idea and I like the fact it's printable. The only downside it this will interfere with anyone using the ABP as it sticks out behind the build platform (the long acrylic sides and back roller). I think the tube mod takes less forward area in front of the rods (I was able to dremel the acrylic and still use the ABP without crashing into the tubes-but just barely). It does work just fine though with the HBP only as you have shown. Again, this isn't a flaw of your design, it a problem with space in the bot in the first place.
Nice job!!!!
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I will probably be making some of these. Do they still work properly after 5 months of use?
Well I can say that they are still working fine. But keep in mind i'm not printing on them all day either, or even every day. But i don't see any failures or cracks. I haven't had to change my z home setting so I will assume that there is no fatigue either.