On 29 November 2010 15:20, Belli Button <[email protected]> wrote: > Unfortunately when a stepper looses synchronisation, one needs to 'stop' the > motor for the poles to realign and then you can move the motor again. I > cannot see how a motor travelling at a velocity near its maximum capable > velocity can loose just a single step with out stopping altogether.
I think you are right about that, and tripping f-error is all you will get there (which is better than nothing). Where the scheme might work is in slow overload situations (I have heard my lathe missing steps on very slow feeds when trying to push too big a drill). In that case slowing the feed and recovering the steps might work (in the case I mentioned the drill did keep feeding, but the hole depth came out wrong and machine position was lost. -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
