I got struck by ribbing issues which I never encountered before and I'm unsure how I'm going to solve this. What I did was try to check on which acme rods that I used and it is TR8*8 (I think?) with 8mm lead per revolution, put 400 steps/mm on 1/16th microstepping, used 0.2mm layer height during printing which was actually the optimal layer. Here is the series of images about the ribbing issues I'm having [imgur.com]. I also gone back to the aluminum spring coupler and printed the square tower, still the ribbing occured. I am using the slic3r pe 1.39.1 for that. The file for the square tower was used again. Can it be due to not lubed up for the acme rods? I would appreciate if there's any solution to this problem. Thank you in advance. https://reprap.org/forum/read.php?262,821345,821345#msg-821345 Tue, 16 Jun 2026 11:22:26 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?262,821345,822788#msg-822788 https://reprap.org/forum/read.php?262,821345,822788#msg-822788
Summary, z-motor mount screws became loose and solved by tightening it again.]]> sarf2k4 Printing Sun, 20 May 2018 13:32:33 -0400 https://reprap.org/forum/read.php?262,821345,821352#msg-821352 https://reprap.org/forum/read.php?262,821345,821352#msg-821352 sarf2k4 Printing Sat, 05 May 2018 11:42:48 -0400 https://reprap.org/forum/read.php?262,821345,821351#msg-821351 https://reprap.org/forum/read.php?262,821345,821351#msg-821351 o_lampe Printing Sat, 05 May 2018 11:39:58 -0400 https://reprap.org/forum/read.php?262,821345,821345#msg-821345 https://reprap.org/forum/read.php?262,821345,821345#msg-821345
Here is the series of images about the ribbing issues I'm having [imgur.com].

I also gone back to the aluminum spring coupler and printed the square tower, still the ribbing occured. I am using the slic3r pe 1.39.1 for that. The file for the square tower was used again.

Can it be due to not lubed up for the acme rods?

I would appreciate if there's any solution to this problem.

Thank you in advance.]]> sarf2k4 Printing Sat, 05 May 2018 10:34:12 -0400