> On 8 November 2015 at 17:10, Karlsson & Wang > <nicklas.karls...@karlssonwang.se> wrote: > > > Hydraulic, that seems interesting how does hydraulic compare to a ball > > screw then it come to back slash and accuracy? > > Accuracy is limited by the feedback device, I think. > > Servohydraulic cylinders are a bit different to normal ones. They > generally don't seal the piston particularly, but a Moog-valve > controls the differential pressure across the piston and the servo > action compensates for any leakage.
Servohydraulic cylinders have low friction instead of perfect sealing? Nicklas Karlsson ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
