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Applerust

Prusa PLA Z Coupling Revisited

by Applerust Mar 23, 2012
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Is it ok that I recommend this as a part for my printer ?
http://www.thingiverse.com/thing:560343

Reprap - Funbot i1

Sure, go for it. Enjoy!

works extremely well if you use strong double sided tape on the inside to make the threaded rod and motor shaft stick better to it ;)

Do you have any issues with the couplings slipping on the motor shaft?

No, making the coupling taller fixed that from the old version for me. On the old version though, all I did to get the coupling to stay put was to sand the motor shaft so that it wasnt smooth.

Note: Already fixed in netfabb. Enjoy!

After some consideration, I've decided that using some heat shrink tube with this is not an entirely bad idea. Seems that all PLA couplings eventually slip.