Jump to content
Sign in to follow this  
esancakt

X Shift only on Dual Prints

Recommended Posts

Posted · X Shift only on Dual Prints

Hopefully someone can give some advice. i have the dual upgrade on my original. doing single prints seems to be fine, however on dual prints there are random shifts to the right during printing. this does not seem to be effected by choosing the wipe and prime or ooze shield (or neither). the shifting seems to be somewhat on the same level as when filaments change but not always.

Thanks!

 

Share this post


Link to post
Share on other sites
Posted · X Shift only on Dual Prints

here is a video of what its doing. i think the ultimaker may think its hitting endstops but i'm not sure:

 

 

Share this post


Link to post
Share on other sites
Posted · X Shift only on Dual Prints

Have you watch it printing? On a dual extrusion print both hotends are heated which means the second hotend is also closer to the printbed/printing layer than in a single extrusion print due to the thermal expansion (it's about 0.1mm). Therefore it might get stuck on the print more easily and could lead to skipping of the x/y axes. Just a theory...

 

Share this post


Link to post
Share on other sites
Posted · X Shift only on Dual Prints

That was my original thought, but now if you look at the youtube video i linked (hopefully i'm allowed haha). its doing it on a single print as well.

 

Share this post


Link to post
Share on other sites
Posted · X Shift only on Dual Prints

all the belts and pulleys are tight. do you mean it could be the actual stepper? also i did change out the sintered bearings for linear bearings which made the movement tons better.

 

Share this post


Link to post
Share on other sites
Posted · X Shift only on Dual Prints

in case anyone else runs into this, the solution to my problem was a bad stepper driver. i swapped X with Y and the shift moved to the other axis.

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  

×
×
  • Create New...

Important Information

Welcome to the Ultimaker Community of 3D printing experts. Visit the following links to read more about our Terms of Use or our Privacy Policy. Thank you!