On Tue, 9 Apr 2013 23:44:23 +0100, you wrote:

>On 9 April 2013 23:14, Steve Blackmore <st...@pilotltd.net> wrote:
>
>> "The problem is apparent at the first G2 move.  The machine appears to
>> change feedrate between G2 and G1 moves.  Moving from one G2 line to
>> another G2 line is smooth, and moving  from one G1 line to another G1
>> line is smooth.  G1 moves appear to run at around 60% of the feedrate of
>> the G2 moves,
>
>That does seem to be what you are seeing. However I just tried a test
>200mm move and a 32.8mm radius circle and they both took the same
>length of time
>Do you get the same result?
>(I was running in a sim, so it might not be a valid test)

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.

Steve Blackmore
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