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Lost a grub screw from a pulley

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Posted · Lost a grub screw from a pulley


I've managed to lose the grub screw from one of the pulleys on the the non-driven rod for my Y axis.

I've no idea when it came out and only noticed because during a semi-regular check of the machine that the pulley was able to move along the rod.

Has anyone else sourced one of these in the past and if so then do you know the size & thread details, or is the quicker solution to just get a replacement pulley?



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Posted · Lost a grub screw from a pulley

My ultimaker is currently running perfectly WITHOUT four of the grub screws.

I removed grub screws from the pulleys on the driven axle of both x and y axes. I think this allows the belt tension to be more even around the whole belt, as well as making the whole axis drive less overconstrained.

That said I could send you a grub screw :p

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