Vertex Delta crooked prints shift going higher

Hi,

A week ago, I assembled my Vertex Delta. The first problem was that one of the 6 guiding rods shows machine marks and the buschings get stuck on it, so i disassembled it again and sanded the markings away until the bushing just slides over it, I would like to replace the rod but this cannot be ordered as spare part.

First issue is that after numerous leveling, bed leveling and callibration the nozzle still hits bed on one side on the first layer, the only way i can prevent this is by pushing the bed a little bit down on the first layer. My guess is this is because at calibration the front center is just between the two piezo sensors and the bed tilts a little bit at callibration.

After a few days of printing and a about 15 prints but my prints are still shifting if they go higher. also the sides are often not attached to the inline.
As a result of the shifting the inline is not perfect and on the back side the layer release from eachother. (see pictures).
The strang things is also that i don’t have the shifting issue when i slice with Slic3r engine but mostly with Cura.

Is the bed moving freely up and down?

Please read this from the manual:

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I have tried that but still the first layer is not correct see pircture of the brim.
As you can see there is allready a notch in the brim and no product on one edge

After the calibration do you save the settings?

yes bed leveling, home, height and autocalibrate, then store settings

Can you post a picture of the build?
The arms in particular en where the magnetic balls are.

You may not think it matters but the twist in the cable is wrong.
You need to make it look like the picture in the instructions.
This should fix the problem.

The twist should look like this.

Yes I know, I did an extra twist to test if that was the issues, undone it, reprinted but still the same issue