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Mods/Things I've done to get good/fast prints

Posted: Fri Oct 19, 2012 4:53 pm
by tom10122
Well after a few months I'm printing fast and with good quality. Had alot of obstacles but finally overcome them! I'm going to post all the mods I've done and what they fixed.

Linear bearing mod [ Printed bad linear bearings, fixed and added to the printer by PLA welding] This helped get rid of the skew in my x and y axis's without the need for the metal bearings.

New Plexiglass bed
[ Replaced warped ABS bed with Plexiglass bed, works after a few prints then warps more so I recommend acrylic] Helped prints stick better and level my bed

Checked and lubricated Idlers
[ Loosened Idlers so that they moved freely and lubricated them] Helped Skew

0 z-axis height for retraction
[ Just put in 0 in slic3r/skienforge for z height under retraction] I had blobs of plastic forming during retraction so 0 z height fixed it.

Hose Clamp Tensioner Mod
[ Use Hose Open hose clamp to adjust belt tension] Also helped my Skew problem Notice: Saw a BIG improvement after doing this mod

Replaced z-axis threaded rods
[ Replaced the 1/4 in rods on the z axis] Helped get a constant z-height

120% Feed Override While printing
[ I use EMC, There is an option for Feed override so I maxed it out at 120%] Helped me print faster.

Correct temp [Use the correct temp Very important] Helps to print faster, better and more solid prints

.2 Layer Height
[ Set layer height to .2] Helps for faster prints, prevents layers coming apart under faster speeds.


This thread helps with other mods http://forum.seemecnc.com/viewtopic.php?f=35&t=455


Hope this helps :D

Re: Mods/Things I've down to get good/fast prints

Posted: Sat Nov 03, 2012 10:46 pm
by adman234
Great tips! I have a few questions though:

Would you recommend the PLA linear bushings over the metal bearings that come with the H1.1, or did you just not want to buy the upgrade?

Do you have some pics of the hose clamp tensioner mod, or maybe just a quick description?

Where did you get the threaded rod upgrade? Would you strongly recommend it for the best quality?

Thank you very much.

Adam

Re: Mods/Things I've down to get good/fast prints

Posted: Sun Nov 04, 2012 12:51 pm
by tom10122
i have an h-1 not h-1-1 so i had no metal bearings, the metal ones are better, my z- rods were bent so i got replacement 1/4" threaded rods from homedepot, with the hose clamp mode, you cut on end and attach one end to a belt and the other to the x-carrige so that the screw on the clamp can adjust the tension