CTC DIY Upgrade to new threaded rods

cults3d

This two parts can be used to upgrade your CTC (or mostly any other Prusa-Clone) to use new threaded rods. I have changed the rods to something much more accurate. The antiwobble-units are just for easy change and are not needed, but i recommend to use them. The adapter is to be printed from flexible filament. It replaced the rubber tube in my case, others will have some metal-part connecting the stepper motor and the rod. The flexible connection has some advantage, it is self aligning to the correct midpoint, getting a very good printout. The new spindles i am using have a ascending slope of 8mm, and the two spindles had been bought for just 12 Euros from china. It contains the spindles and a brass nut. The assembly just take minutes, perhaps half an hour. You have to upgrade your firmware to use other values for z-axis. I now use 800 steps per mm (using 32 microsteps), if you use the original pololu-parts, you will need 400 steps.