http://www.machinedesign.com/linear-motion/go-long-pros-and-cons-rack-and-pinion-systems
Another option are master and slave pinion drives: https://servotak.eu/products/custom-products/zero-backlash-rack-pinion-gearbox-systems On Mon, Jul 31, 2017 at 6:13 AM, Tomaz T. <tomaz_...@hotmail.com> wrote: > For my future project (cnc router) I will have to use helical rack and > pinion system on two longer axis (2 and 3.5m). There are some designs where > pinion is forced against rack with spring tensioner, on the other side, if > I follow Atlanta's installation manual for their system, they forbid > tensioning pinion against rack as it would cause wear and tear or rupture > of teeth (they suggest pre-load pinion shaft). > > In my case this will be used for woodworking cnc router, so I'm not > looking for very high precision, but anyway if there is anyone heaving > experience with this would be nice to hear. > > Example of tensioned pinion: > > https://www.google.si/search?q=rack+pinion+cnc&source=lnms&; > tbm=isch&sa=X&ved=0ahUKEwi8g8ziqrPVAhVE6xoKHf02A > 3gQ_AUICigB&biw=1536&bih=735#imgrc=Yrj6s6vvjL--WM: > > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
