Much improved Bed Flatness
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After swapping out my Ultimaker Original+ glass bed for a MIC6 aluminum plate + Fulaflex, replacing the perimeter shafts and overly stiff motor couplers, I was able to really get the print surface flattened out!
My back right corner is just a bit low. I might add a jack screw over there to coax it up.
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@CCS86 really interesting improvement
Looking at your before deviations though a lot of people would be happy enough with those, print the first layer at 0.3mm and use mesh bed levelling.
Not criticism though, really shows how improving the hardware can make a difference.
What was the approximate cost of the upgrade to the bed and Z motion?
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@T3P3Tony said in Much improved Bed Flatness:
@CCS86 really interesting improvement
Looking at your before deviations though a lot of people would be happy enough with those, print the first layer at 0.3mm and use mesh bed levelling.
Not criticism though, really shows how improving the hardware can make a difference.
What was the approximate cost of the upgrade to the bed and Z motion?
I print a lot of functional parts, so independent of getting good first layers, I appreciate the bottoms of the prints being more flat. I print a lot of 0.15mm first layers and could easily go lower.
Because of my Ultimaker based motion system it is possible that runout in the perimeter rods (especially if a pair of rods are running out, out-of-phase) can cause tilt of the print head, which botches the probe data, and your first layers.
New 8mm rods were only like $30 from Amazon. You just order a bit extra, pick the straightest and return the rest. But I finally figured out that most of my in-assembly runout wasn't actually from the rods themselves, it was from the shaft couplers I had switched to at one point:
These plate style couplers are far to stiff and induce a significant amount of runout. Switching back to these aluminum, helical cut type was a big improvement:
Besides that, I picked up a MIC6 aluminum plate from McMaster for around $60 and cut it to fit, made provisions to mount, etc.
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@CCS86 said in Much improved Bed Flatness:
New 8mm rods were only like $30 from Amazon. You just order a bit extra, pick the straightest and return the rest.
I am now never going to be tempted to buy rods from amazon warehouse returns!
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