500mm v-core 3 (enclosed). Can I do better?

I seem to have the 500 droop in the middle of my bed. Anything I can do to improve here? This mesh was taken hot.
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7 Replies
jason974
jason9742y ago
i've added some painters tape in the middle under the pei sheet, but kapton tape would be better as it's thinner and a lot more heat resistant teh weight of the bed makes it bow, and also the gantry's 2020 extrusion does not expand like the mgn rail on top of it so it bows
rare-sapphire
rare-sapphire2y ago
What about the drop in the back left corner. What can I do about that? Would it be worth trying to lower the front left/right a little to try to even that out a little more?
jason974
jason9742y ago
depends on the time you want to spend on it, it's frustrating i know, spent hours trying to adjust it as well to no avail
rare-sapphire
rare-sapphire2y ago
I can try the quick tape fix. If I can get it under 0.2mm deviation I'll call that a win. I did spend a few hours trying to adjust it a bit already. Chasing perfect seems like diminishing returns
jason974
jason9742y ago
the most frustrating is when you get worse readings .............. and always heatsoak the printer before printing i added a chamber probe temp and i only start printing after it reached at least 45°C
rare-sapphire
rare-sapphire2y ago
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rare-sapphire
rare-sapphire2y ago
A few pieces of blue tape improved the mesh a bit. I think the gantry has a little bit of heat deflection in it I'd be open to any other ideas or if this is just good enough
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