[rapid Z axis movement on first positioning]

double

[rapid Z axis movement on first positioning]

after working through 'beforePrintStarted' script routines cura issues a

 

G0 F6000 X.. Y.. Z0..

 

if X and Y coordinates are small the high feed rate maxes out the Z rate and plunge
the print head in a quite 'unseemly' acceleration and speed toward the build plate,
former versions of cura issued F3600 which behaved more moderate

to avoid rapid Z axis movement on first positioning I cured the questionable sequence with cura's post processing module

 

cura/menu/extensions/post processing/modify g-code - search and replace

search:   (F6000)( X.+Y.+Z0.+)
replace:   F3000\2
regExp:   yes

 

replaces
F6000 X.. Y.. Z0..
with
F3000 X.. Y.. Z0..

 

there should be only one line with F6000 with Z0.. coordinate, so check your 'beforePrintStarted' script

 

regExp explanation
group 1 = F6000          -> F3000
group 2 = X.. Y.. Z0..   -> \2

 

(printer Creality CR-10S, cura 4.3)

[Cura 3.5.0 won't load under Windows 10]

Same here, Cura 3.5.0 dose not start under Windows 10 but a task manager entry exists.

 

My workaround:

Cura desktop icon / right click - properties / compatibility / check compatibility mode for windows 8

 

Unchecking compatibility mode and starting Cura will work once.