Printrbot Z Axis 5mm threaded rod upgrade
by RedJoe, published
Use This Project
Give a Shout Out
If you print this Thing and display it in public proudly give attribution by printing and displaying this tag.Print Thing Tag
I was unhappy with the 5/16 threaded rod that the Printrbot comes with and the Z-ribbing artifacts. The problem is the stepper motors have an uneven amount of steps with the 5/16 rod. When you print something with the 5/16 rod, your layer heights will be off every x number of layers unless you choose very specific layer heights. By going to 5mm threaded rod(mine cost $15 shipped from McMastercarr) you can change your steps from 2267.72 to an even 4000 steps. This gives a nice even layer height all the way through your print. Also, by adding dual nuts and a spring, any backlash is excluded. The other issue is the 5/16 rod coupled to the 5mm motor shaft is a poor design, by using 5mm threaded rod and some tubing, you get an even coupler and no z wobble.
This is hands down the best upgrade I have done on my printrbot, it improved my prints by a huge amount, if you do any upgrades, this is the one to do, best $15 bucks you will spend.
Print off the parts, one for each side, they will fit perfectly into the stock Printrbot Plus V2.
Cut the threaded rod to length and install nuts with spring in-between into the new part. Couple the threaded rod to the motor shafts with a short piece of tubing and zip ties from your local hardware store.
Adjust your Printrboard firmware in Repitier from the 2267.72 to 4000 steps on the Z-Axis and print!!!
Also, if you want the best, purchase brass 5mm nuts, however they only come in quantities of 100 from McMasterCarr for $15 so I didn't do this to mine, however, if you want the best possible setup, go with the brass instead of Stainless nuts.
Upgrade this Thing with Thingiverse AppsCustomization
Edit, personalize, or revise this ThingPrint Fulfilment
Order a print of this ThingTools and Utilities
Repair, slice, or enhance this Thing
Printrbot Z Axis 5mm threaded rod upgrade by RedJoe is licensed under the Creative Commons - Attribution license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
Show Some Love
Say thanks by giving RedJoe a tip and help them continue to share amazing Things with the Thingiverse community.Tip Designer
We're sure RedJoe would love to see what you've printed. Please document your print and share a Make with the community.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. It’s even easier to post a Make via the Thingiverse Mobile app (available via Google Play and Apple App Store).