Moving toolhead after priming to the initial print coordinate

Hi all How to make that at the beginning of printing toolhead after priming immediately moved to the initial print coordinate, and not to the upper left corner of the model border and only then to the initial print coordinate?
9 Replies
blacksmithforlife
That seems like a slicer issue
NULL
NULLOP4mo ago
No, this is at the ratos macro level, there is nothing like that in the gcode given by slicer
miklschmidt
miklschmidt4mo ago
There's no way to do that currently without opening yourself up to risks of damaging your bed plate. The adaptive_mesh means that it has no idea about the topography of the bed outside the limits of the print area, and thus we raise the nozzle a bit to make sure it clears the bed, then move it to the boundary of the print area and lower it. What's the actual problem though? Oozing? Raise your acceleration, macro_travel_speed and z speed / accel. I recommend enabling performance mode.
NULL
NULLOP4mo ago
Yeah, it's oozing. Since the starting position of the print is at the opposite end, as a temporary solution I place the seam in that corner to minimize movement. Unfortunately the high movement speeds and accelerations in macros annoy me and I've limited them to 200/5000.
miklschmidt
miklschmidt4mo ago
200/5000 shouldn't be an issue that would be solved by skipping that minor detour (it's just too slow on bigger printers to avoid problems with oozing). But low z speed / accel definitely will be. Is there any reason you're not running like 600 or 800 @ 5000? should be quieter than 200 @ 5k
NULL
NULLOP4mo ago
The harsh sound, it makes me cringe
miklschmidt
miklschmidt4mo ago
600 is less harsh than 200. Are you thinking of the sound it makes on direction change or the sound it makes during travel? The former is all about the acceleration, so if you don't change that but only the velocity, it won't change the sound much. I'm also kind of curious if there may be an issue in your setup, if it's that bad
NULL
NULLOP4mo ago
What scares me is the moment when it jerks abruptly out of place after heating the bed, just that sharp contrast, and there are no mechanical problems.
miklschmidt
miklschmidt4mo ago
That's all acceleration, if you keep it at 5k, changing the velocity won't change that.
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