Daniil Bakalin2021-04-09 18:13:09
3D printers
Daniil Bakalin, 2021-04-09 18:13:09

3D printing. Is there a slicer that can use table calibration data?

I recently bought a Creality ender 5 plus 3D printer, it can measure the surface of the table. Those. there is a sensor on the print head and by going over 16 points of the table, the printer can show a sign where and how much the table needs to be raised / lowered.

But since there are only 4 adjustments at the table, and nothing at all in the center, it is very difficult to set up the table well (my center sticks out a little, which is quite expected for its size). In general, each seal is preceded by a whole saga of tuning. I know that other printers also have similar problems.

At the same time, there is data on the geometry of the table, why not use them?

It is simple to calculate the movement of the head, corrected for height, from an array of points. The first layers will be printed a little slower (and that's not a fact), since the head will move slightly up / down as it is drawn. But in a few dozen layers, you can align everything and continue to print as usual.

It is only necessary that the slicer be able to divide the model into curved layers.

Maybe I just don't know and there are smart slicers in nature?

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1 answer(s)
evgeniy_lm, 2021-04-09

Let's start with the fact that there are no such slicers and will not be (if you don't invent it yourself).
You misunderstood the meaning of table auto-calibration. This is done so that the printer "knows" the geometry of the table and automatically takes into account irregularities when printing. For example, even if the table is flat (like on my printer, which is 6 times cheaper than yours), when manually adjusting the level "according to a piece of paper", one edge will always be lower than the others by several tens of microns, which will ensure that the plastic does not fit snugly to the surface and how a consequence of separation and deformation from this edge of a large part. Auto level avoids this phenomenon, the printer will always clearly observe the distance above the surface.
If you have big problems with the table, consider replacing it, put glass on it (a mirror is better, they say it is smoother) or print on a substrate (plot) that is exposed in almost any slicer

In general, each seal is preceded by a whole epic

No epic is needed, just add the auto-calibration code in the slicer before printing and you will be happy. Even if it turns out that one edge of the table is 0.1 mm lower than the other with your dimensions, this is a slope of only 0.02 degrees
Do not forget that calibration must be carried out on a hot table and extruder, they expand.

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