On Wed, Sep 15, 2010 at 12:20 PM, Jon Elson <[email protected]> wrote: > Igor Chudov wrote: >> I now have a sweet quiet little Bridgeport Interact mill that does not >> act like it is PMSing 30 days a month. 90 IPM on X and Y (I limited >> myself to 60 IPM on Z for safety). Quick to home and quiet. >> >> That double velocity loop, ad I now realize, was not good for what I >> was trying to do. >> > Well, actually, the velocity loop is FINE for what you were trying to > do, but it has > to be tuned right. Obviously, your velocity loops were not tuned right, > this the difficulty. > But, a torque-mode loop is fine, too, and I agree, it is often easier to > tune.
Jon, I am still learning all of this, so very possibly I got overexcited by the ease of torque loop tuning. See my another post here about how now the servo does not hold position as well. i ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
