actually - it looks like the last part of the arc is also de-accelerating at a lower rate. Is this part of the problem where you don't know if that is the end of the program?
sam On 2/13/2014 9:02 AM, sam sokolik wrote: > cool. 'Flexable' > > I have a question - I am running your experimental branch > > This program > > % > (1" square with rounded corners) > G90 G54 G20 > G64 > G0 X0 Y.25 Z.25 > z0 > G1 Y.75 F999 > G2 X.25 Y1 I.25 > G1 X.75 > G2 X1 Y.75 J-.25 > G1 Y.25 > G2 X.75 Y0 I-.25 > G1 X.25 > G2 X0 Y.25 J.25 > G0z.25 > M30 > > shows this on the velocity plot. > http://imagebin.org/293091 > > Lead in and lead out of .25" - you can see the the exact stops for the > rapid/feed transistions. > > You can see the lead-in acc is much higher than the lead out.. Should > they be the same? It is like lead-in is using full acc while the lead > out is using 1/2 (maybe) > > thanks > sam > > > > > On 2/13/2014 8:43 AM, Robert Ellenberg wrote: >> I can add an INI setting fairly easily, and default to not allowing blends >> between rapids and feed moves. >> On Feb 13, 2014 9:20 AM, "sam sokolik" <[email protected]> wrote: >> >>> How hard would that be to make an INI setting? I can't think of an >>> application (maybe something that is positioning...) that might want >>> blended moves between rapid and feed moves.. >>> >>> sam >>> On 2/6/2014 7:25 AM, Robert Ellenberg wrote: >>>> On Thu, Feb 6, 2014 at 8:13 AM, EBo <[email protected]> wrote: >>>> >>>>> On Feb 6 2014 5:53 AM, andy pugh wrote: >>>>>> On 6 February 2014 09:27, Robert Ellenberg <[email protected]> wrote: >>>>>> >>>>>>> Is there a standard way to treat blends between rapid moves and >>>>>>> regular >>>>>>> feed moves? >>>>>> I don't know if there is a standard way, but I think I would normally >>>>>> expect there to be no blending between G0 and G1. ie, exact-stop mode >>>>>> to be active. >>>>> You are likely correct here. >>>> Agreed, an exact stop seems like a safe choice. I'm assuming we'd still >>>> want blends between rapid moves? >>>> >>>> > (If the G0 to G1 transition is in contact with the workpiece >>>>>> something >>>>>> is wrong anyway). >>>>> Not quite. Picture a straight plunge cut -- you can go in at speed, >>>>> and then retract at rapid. I see nothing wrong with that, and if there >>>>> is a reason that must retract at speed instead of rapid I would like to >>>>> hear the rationale. >>>>> >>>> That would be a G1 to G0 transition, though. 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