Anycubic - Ace Pro Drive Pulley 15T + Driven 37T Upgrade *WIP*

I was tired to see all the broken motor shaft from drive steppers in the anycubic Ace Pro. Here the Fix for it!

This is the drive pulley shaft that keep breaking up because anycubic's been lazy on the design and decided to get some 5mm already cheap stepper shaft machined down to 3mm, causing week points and micro pitting and then pouf, broken shaft.

Worst is, you can't find replacement easy, and if you don't own a lathe, GL.

Well, NOT ANYMORE <3

The Purpose of this upgrade is to replace the specific 3mm stepper motor with generic 5mm shaft ones while still retain same drive ratio(or very close to) , using the same factory belt, the less trimming possible, and reuse as much parts from the stock unit. 

Things needed:

-Drive and Driven pulley printed parts(both on my account here).

-Tools to disassemble the ace pro. 

-Original motor bracket, will be put upside down on a square of alien tape.

-1x motor with the longest 5mm shaft as possible and with good torque

-A mean to cut plastic for trimming(dremel, file, hot blade, soldering iron, use   whatever you got but the better tools and time take the better the result!

-A torch or something that can help address the glue on the stock drive shaft     pulley.

-a bit of patience and tuning the flow and you should be good to go!

If you want a set hole in the driven pulley, you can do it in orca by adding a negative part cylinder of 3mm by 3mm by 7mm like in the last 2 pictures ;-)

I will make a pdf or blog style tutorial soon maybe on instructables or along those for the less finicky ones, but keep in mind this is still a work in progress and things might change along the way to make it easier or increase durability!!!!

Short video of the mod in action: 

ps: mind the pictures, ill get some cleaner made soon, but I was on a rush and trying to push this out as soon I could. Also tried to be a bad lazy girl and trim the pulley instead of the ace plastic first but still wouldn't clear :p and was even lazier to reprint it while the unit now work like charm lol. but if it break or i iterate it, ill make new pictures.

pps: don't ever hesitate to pm me for help, ill answer and help each and everyone as much I can <3