On Wednesday 10 April 2013 11:58:51 andy pugh did opine: > On 10 April 2013 08:24, Steve Blackmore <st...@pilotltd.net> wrote: > > Do a line connected to an arc and vice versa then try. The slowdown is > > on the transition here. > > > > If you run the code you can actually see the slowdown on the feed > > display in the gui in Axis. > > I put that down to the arcs and lines not being tangents, so there is > a sharp corner at each transition (I have checked in a CAD package, > the lines and arcs are _not_ tangents.)
Are you saying that the g2-3 code, set to do a 180 turn, is only doing a 179.9 turn? Example in G91.1 relative mode, starting from x y+nn, g2 y-nn i0.0 j=y_radius, is not doing a fully 180 degree from top (x y+nn) to bottom (x y-nn) motion? Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! My views <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> Either I'm dead or my watch has stopped. -- Groucho Marx's last words A pen in the hand of this president is far more dangerous than a gun in the hands of 200 million law-abiding citizens. ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
