Leveling a warped Bed Mesh Vcore4 500mm

Hi, I am new to Ratrig machines and I am trying to remove the warp from my gantry following the manual and tips I found here. I have moved feet up and down to get as close as I could and then I loosened the fasteners on the gantry and tweaked it until I got to this mesh, my best so far. I started from a 1.3mm deviation. My brother assembled the frame and I was not there. Do I need to disasemble and reasemble or is there more I can tweak first?
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6 Replies
lordgufi
lordgufi4d ago
you've got the standard 500mm droop in the middle of the gantry, but you've also got the back of the side rails high. not much to be done with the droop across the gantry ( temp fix is to lift up on the gantry while its warm but it will return eventually ) the front to back bit though you need to adjust the height (squareness) of the two rails that go from front to rear of the frame
microgiant.
microgiant.OP4d ago
Great! I made some changes that made it better but Im not sure what I did to the two rails that go from the front to the rear. Correct me if I am wrong but if I move both of them up or down the same amount wont it be compensated for in Z-tilt?
microgiant.
microgiant.OP4d ago
What do I change to the two rails to adjust the height of the back?
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lordgufi
lordgufi4d ago
thats about what my scans look like and i print fine, as long as you're below .500 range is generally the target for the 500's i regularly achieve .380 once the chamber is warm
microgiant.
microgiant.OP4d ago
I see, well I am envious of that guy who has a .12 bed. Im going to move on to the next step but if anyone wants to chime in about how they achieved an even flatter mesh please do.
Kyreus
Kyreus4d ago
time and patience. adjusting corners, playing with the feet - but I'm not getting below 0.25 either tho. But I'm using a ti tube which isn't perfectly flat

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