Mendel90 missing steps

I need to print a new extruder for my Mendel90
Unfortunately during the print it misses steps in the X or Y
I print the model with 100% fill but the printer oscillates heavely during filling in small corners and I think then it will miss steps.
I reduced the printing speed and infill speed from 60 to 50 mm/s
Please help me out what to do

there may be more appropriate topic area here [forums.reprap.org] as it is specific for mendel 90

motors are more likely to skip at higher speeds, as torque drops quickly as pulse rate increases, so also reduce travel feedrate.

Quote
jamesdanielv
there may be more appropriate topic area here [forums.reprap.org] as it is specific for mendel 90

What if it isn't a Mendel90 specific problem? :-)

Anyways, reducing acceleration should help. Default ones in Marlin are way too high. And printing at a moderate speed like 30 mm/s avoids getting close to speeds where stepper motors start loosing torque.

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