Hello friends! Hope you are having a beautiful day ;-) I am going to do my best to keep my question simple and to the point: - Currently working on building a mendel style printer - Using 2040 profile anodized aluminum rails for the Z-axis - And recently found out about mini v-wheels AND the extreme solid line of products. Here are my questions: For my z-axis carriages, can I use the smaller diameter mini v-wheels or are they unsuitable for this kind of application? Price difference is minimal. Do extreme solid v-wheels (mini or not) have any benefits over black delrin ones for this kind of application? If you don't mind bonus question: I have been told that "3 points make a plane, therefore 3 wheels are enough for a carriage". I am not an expert in designing motion systems. Should I use 3 or 4 wheels to guide the carriages, what's your recommendation? Thank you all for your kind help
Mini V-Wheels are just fine for a 3D printer. Xtreme wheels are stiffer, the Delrin wheels are quieter. The Xtreme wheels are nice though. 4 would be better, be sure to include eccentric spacers on one side, to adjust the wheels for fit.
