spindle feedback and latency issues
15 Mar 2013 21:34 #31451
by cncinator
Replied by cncinator on topic spindle feedback and latency issues
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?
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?
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16 Mar 2013 00:03 #31456
by cncinator
Replied by cncinator on topic spindle feedback and latency issues
The linuxcnc IRC channel fixed my issue
special thanks to cncbasher and skunkworks - for their time and enormous help
special thanks to cncbasher and skunkworks - for their time and enormous help
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18 Mar 2013 09:45 #31527
by skunkworks
Replied by skunkworks on topic spindle feedback and latency issues
How is it running?
sam
sam
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28 Mar 2013 00:40 #31983
by skunkworks
Replied by skunkworks on topic spindle feedback and latency issues
Any new updates? I saw you where having issues with offsets - did you get them straitened out?
sam
sam
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06 Apr 2013 08:07 #32332
by cncinator
Replied by cncinator on topic spindle feedback and latency issues
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?
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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