On Sun, Apr 3, 2016, at 12:14 PM, Nicklas Karlsson wrote: > Then reading the configuration file I find there max acceleration and > velocity is defined twice. They are defined in both [TRAJ] and [AXIS_?] > sections.
I am reasonably certain that the TRAJ limits apply to the combined motion of the controlled point, while the AXIS limits apply to the individual axes. Consider a 45 degree move. If X is moving at its limit of 10 units/sec and Y is also moving at its limit of 10 units/sec, the controlled point is moving at 14.14 units/sec. If the TRAJ limit was also 10, X and Y would be slowed down to 7.07 units/sec so that the controlled point is moving at 10. > > Does the trajectory planner follow the limit in it's own section? In such > case what happen if [AXIS_?] limit is lower? > I'm pretty sure lowest limit wins. Assume X limit is 6, Y limit is 8, and TRAJ limit is 9. A move from (0,0) to (10,0) is parallel to X and would be limited to 6. A move from (0,0) to (0,10) is parallel to Y and would be limited to 8. A move from (0,0) to (12,16) would result in X moving at 5.4 units/sec and Y moving at 7.2 units/sec, so that the motion of the controlled point is at 9 units/sec even though neither axis is at its limit. I am working from (ancient) memory - if knowing is important I would suggest making a config with different limits and conducting some experiments. G0 moves run at the limits (I think), and halscope or halmeter can be used to observe velocity. -- John Kasunich jmkasun...@fastmail.fm ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
