Change move position after homing axis

After homing X axis, I want the toolhead to move elsewhere besides 'middle', before homing Y. Just change toolhead and Y axis hits the Z screw. So I want to change to something like 150/350, then do the normal center before starting printing or after the home macros
15 Replies
miklschmidt
miklschmidt•8mo ago
You can change the safe_z_home (will also change where the Z is homed): https://os.ratrig.com/docs/configuration/macros#homing However i recommend you limit your Y's position_max instead that way you remove the risk of collision completely, changing the homing routine is a poor bandaid.
Configuring RatOS Macros | RatOS
RatOS comes with a bunch of flexible predefined macro's that can be customized via variables and macro hooks.
miklschmidt
miklschmidt•8mo ago
If you do that and use endstops, you'll have to move the Y endstop forward of course.
drops
drops•8mo ago
Thank you! I saw that, but ended up just switching to sensorless homing the Y and kinda fix the issue i had. However I probably with use position_max that way i dont accidently hit the Y when printing.
miklschmidt
miklschmidt•8mo ago
I do that myself actually 🙂 It's convenient when you need to limit Y 🙂
drops
drops•8mo ago
request , update the config for sensorless to be 125, 1.1 ; i think that a more middleground, i ended up at 100, 1.3 for settings on the Y
miklschmidt
miklschmidt•8mo ago
It wouldn't help anyone but you. These settings differ wildly from printer to printer. 1.1 on the minion is full power for example. The needed power and sensitivity on a 300 is very different from a 500, it changes with gantry weight, belt tension etc etc.
drops
drops•8mo ago
That sucks
miklschmidt
miklschmidt•8mo ago
Any mechanical change may require retuning sensorless homing
drops
drops•8mo ago
i would think that at least setting to 125 which is 1/2 way of sensitivity would be middle ground
miklschmidt
miklschmidt•8mo ago
That's just the nature of StallGuard detection
drops
drops•8mo ago
IDK what change from the first time i tried sensorless but the 2nd time around it took me about 10 minutes and i was done Im thinking of doing it for the X too
miklschmidt
miklschmidt•8mo ago
If you already have an endstop mounted, that would be a downgrade
drops
drops•8mo ago
Ah
miklschmidt
miklschmidt•8mo ago
Mechanical endstops are way more accurate, repeatable, faster and reliable, and they require zero tuning.
drops
drops•8mo ago
True , true