spindle feedback and latency issues

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15 Mar 2013 21:34 #31451 by cncinator
got it working as intended!
Im not exactly sure, but i guess it was the nvidia driver swapping of my 7100GS
Scrolling in firefox is now much smoother, but still laagy
3d application gives about 1fps
access time HDD now 12.4ms


Double glxgears + moving arround the glxgears like mad
Servo 12610
Base 18430

Double glxgears + triple paralell loading Firefox
Servo 12610
Base 21835

RTAI latency test + videoplayer
not a single overrun
never over 6.000

Thanks to god i didn't opened the factory sealed Vertex4 SSD - box

How do i get rid of the spindle index problem? :D

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16 Mar 2013 00:03 #31456 by cncinator
The linuxcnc IRC channel fixed my issue :)

special thanks to cncbasher and skunkworks - for their time and enormous help

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18 Mar 2013 09:45 #31527 by skunkworks
How is it running?

sam

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28 Mar 2013 00:40 #31983 by skunkworks
Any new updates? I saw you where having issues with offsets - did you get them straitened out?

sam

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06 Apr 2013 08:07 #32332 by cncinator
hi skunkworks,
had nearly no time for my lathe the last days, too busy working :(
the referencing problem still consists, homing isnt accurate (>0.1mm) on my machine and i do have no idea why.
repeat it 20times in a row and its <0.01mm
repeat it after 6hours and its >0.05mm on the dial
i tried it with a induction sensor AND a photo sensor, nothing gives accurate referencing and at the moment i set up all my tools after one homing and use the X-Offset feature to recalibrate all tools at the next homing procedure...

Is it maybe the size of my small benchtop lathe and thermal issues? night= -1° | day= +15° that "expands" the toolmetal of the crossslide?

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