bkapps Wrote:
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> I found that lowering the
> DELTA_SEGMENTS_PER_SECOND to 100, changing X, Y
> and Z acceleration to 10000, and lowering X, Y,
> and Z jerk to zero I was able to get smooth
> movement in Marlin firmware. I think this is due
> to the acceleration between segment moves causing
> it to stutter, but I am not sure.
>
> However, when I switched to Repetier firmware I
> was able to get smooth fast movement with mostly
> default values and with 200
> DELTA_SEGMENTS_PER_SECOND. I am concerned about
> the repetier firmware hanging on large prints as I
> have read, but I have not had a print yet so I
> will have to see.
>
> -Ben
Actually when I tried this fix I mistakenly changed all the accelerations fo 10,000. I tried this fix again and things got a bit smoother although infill can have a bit of oscillation. When I sliced for 130mm/s for infill using honey comb instead of rectilinear the oscillation was reduced but not eliminated. This is somewhat confusing since moving faster should increase oscillation. I'd like to se other folks' configuration.h files for more ideas to try. I'm gonna make some spring isolation dampeners ASAP and see how they improve it.
-------------------------------------------------------
> I found that lowering the
> DELTA_SEGMENTS_PER_SECOND to 100, changing X, Y
> and Z acceleration to 10000, and lowering X, Y,
> and Z jerk to zero I was able to get smooth
> movement in Marlin firmware. I think this is due
> to the acceleration between segment moves causing
> it to stutter, but I am not sure.
>
> However, when I switched to Repetier firmware I
> was able to get smooth fast movement with mostly
> default values and with 200
> DELTA_SEGMENTS_PER_SECOND. I am concerned about
> the repetier firmware hanging on large prints as I
> have read, but I have not had a print yet so I
> will have to see.
>
> -Ben
Actually when I tried this fix I mistakenly changed all the accelerations fo 10,000. I tried this fix again and things got a bit smoother although infill can have a bit of oscillation. When I sliced for 130mm/s for infill using honey comb instead of rectilinear the oscillation was reduced but not eliminated. This is somewhat confusing since moving faster should increase oscillation. I'd like to se other folks' configuration.h files for more ideas to try. I'm gonna make some spring isolation dampeners ASAP and see how they improve it.