brain fart, linear rods [Solved]

Hi
just a crazy thought but with regards to the RepRap Project, has anyone thought of atempting to do away with Linear guide rails and bearings with the use of a heringbone gear rack and pinon style setup?


a carriage with two normal skate bearings at the top, and a stepper motor driven herringbone geaer beneath a printed square bar with gearing on the bottom something like

_______O_____O_________

VVVVVVVVVVVVVVVVVVVVVVV
VVVV
O
sory for the horrible drawing

Edited 1 time(s). Last edit at 04/10/2014 07:09PM by Zerker.

Quote
Zerker
has anyone thought of atempting to do away with Linear guide rails and bearings with the use of a heringbone gear rack and pinon style setup?

Yes. IIRC, it's on Thingiverse.

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Generation 7 Electronics	Teacup Firmware	RepRap DIY

Printable X/Y Linear Rail by PacManFan and Rack and Pinion for Prusa by theodleif are two examples.

excelent, thank you for the links, I will look into this furhter