Possible to home two axises at same time?

jjurban55

Hello! I'm using Repetier for a custom manufacturing machine in which there are two spools, each driven independently by a stepper motor. Plastic film comes off one spool, and goes onto the other, and one spool has a larger diameter than the other, hence the motor's steps per mm setting must each be different, and hence each is controlled as a separate axis (say X and Y). This works fine, until I need to perform a homing operation, in which an opaque mark on the plastic film needs to stop when it reaches a slot photo interrupter. It appears that Repetier can only home one axis at a time, which wouldn't work in this case since the two spools (X and Y) must be driven simultaneously. Might there be any solution to this problem?
Thanks!
Jesse

Repetier

Stock repetier will never do this as this is nothing a printer needs or would be good for a printer. But it is of course possible to do. For Z axis we do this if you have 2 z motors and 2 endstops. But that has same steps per mm.

Your solution is to replace homing routine in printer.cpp with your own version. Make there a move to both axis and only stop the axis that ha salready hit endstop, just like we did for dual z axis.

jjurban55

Thank you for the suggestion. I am going to try something else first where I take the signal through a second micro controller,. We will see how that goes.
Have a great day!
Jesse