The ACME rod doesn't want to slide into the bearing

[PJTX]

There was a brief period where they were shipping the wrong nut. Check this thread:

[Solved] Problems with Delrin nut and ACME rod

I received my X-Carve earlier in the week and the assembly process has been going great! I have bumped into one small issue, however: I have the X-Carve (1000 x 1000) with the ACME rod option, version 1 (ordered 4/13, it has the M6 nut on top of the pulley), and I have been having problems threading the Delrin nut onto the ACME rod. I’ve even tried chucking the rod in a power drill and pushing it down into the nut as I run the drill at very slow speed, but it seems as though the threaded hole…

And if that looks like your problem, contact help@inventables.com and they’ll get you sorted right quick.