Toolchange script for parking extruder
-
Hello, my new x axis with a parking dual extruder is almost ready. Is it possible to make a toolchange script like this?
{IF NEWTOOL=1}T1
'switch to new tool and do these things
{IF NEWTOOL=1}M109 S240 T1 ;heat right tool to 240C before moving
{IF NEWTOOL=1}G1 F800 E-1.0
{IF NEWTOOL=1}G1 F800 E5.0 ;Default purge
{IF NEWTOOL=1}G4 S5 ;Stabilize Hotend's pressure dwell 5 seconds
{IF NEWTOOL=1}G92 E0 ;Zero extruder
{IF NEWTOOL=1}G1 F800 E-1 ;Retract
{IF NEWTOOL=1}G1 F800
{IF NEWTOOL=1}G91
{IF NEWTOOL=1}G1 F12000 Z2
{IF NEWTOOL=1}G90{IF NEWTOOL=0}T0
; switch to new tool and do these things
{IF NEWTOOL=0}M104 S200 T1 ;let right extruder cool to 200 while unused
{IF NEWTOOL=0}G1 F1200 E-1.0
{IF NEWTOOL=0}G1 F1000 E5.0 ;Default purge
{IF NEWTOOL=0}G4 S2 ;Stabilize Hotend's pressure with dwell for 2 seconds
{IF NEWTOOL=0}G92 E0 ;Zero extruder
{IF NEWTOOL=0}G1 F2400 E-4 ;Retract
{IF NEWTOOL=0}G1 F12000
{IF NEWTOOL=0}G91
{IF NEWTOOL=0}G1 F12000 Z2
{IF NEWTOOL=0}G90(This is an example from simplify3d)
Thanks danny_v1
-
Have you read https://duet3d.dozuki.com/Wiki/ConfiguringRepRapFirmwareCartesianPrinter#Section_Tool_change_files ?
-
Oh ok thanks!
So if I understand it correctly I don't need the hole If instructions.
Just for the understanding, when I do a home position on the x-axis, I also pick up Tool 0, so If the x-axis is homed Tool 0 is always attached. Then when I start a print I Do my bed leveling with a bltouch sensor which is connected with Tool 0. Then in the print is a tool change to Tool 1 and then I run tfree1.g, tpre1.g and tpost1.g. And the Tool 1 is now active. If there is a tool change back to Tool 0 I run tfree0.g, tpre0.g and tpost0.g.
After the print I home my x-axis again and then automatically Tool 0 will attached again.
I hope now I got it.
Thanks
danny_v1
-
Yes that all sounds correct to me. Note, the tool change files are not run if the printer has not been homed. You can also use the P parameter on the T command to specify that you don't want some of the tool change files to be run.
-
Isn't the tfree file run of the currently active tool ?
So when activating tool1 from tool0 it will: run tfree0.g, tpre1.g and tpost1.g ?
-
@scachi said in Toolchange script for parking extruder:
Isn't the tfree file run of the currently active tool ?
So when activating tool1 from tool0 it will: run tfree0.g, tpre1.g and tpost1.g ?Yes, if the firmware knows that the printer has been homed.
-
Ok I will try it. Thank you very much!
Kind regards
danny_v1
