The machine is choppy when using MPG
27 Aug 2024 07:42 #308775
by CTB_le123
The machine is choppy when using MPG was created by CTB_le123
Hello!
I installed the LinuxCNC on my machines. When using MPG, the machine shakes violently. I referred this [topic][www.forum.linuxcnc.org/38-general-linuxc...choppy-motion#299365].
Set the axis.N.jog-accel-fraction 0.5 One machine goes well, but the other doesn't work. I use the ilowpass to them, it can run smoothly, but it will be very 'lazy'. Even I stop the MPG, the axis still run. I set ilowpass.scale 0.9 ilowpass.gain 0.85 . Now I want to know is there other methods to salve it.
I appreciate you for your replay.
I installed the LinuxCNC on my machines. When using MPG, the machine shakes violently. I referred this [topic][www.forum.linuxcnc.org/38-general-linuxc...choppy-motion#299365].
Set the axis.N.jog-accel-fraction 0.5 One machine goes well, but the other doesn't work. I use the ilowpass to them, it can run smoothly, but it will be very 'lazy'. Even I stop the MPG, the axis still run. I set ilowpass.scale 0.9 ilowpass.gain 0.85 . Now I want to know is there other methods to salve it.
I appreciate you for your replay.
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03 Sep 2024 12:47 #309281
by andypugh
Replied by andypugh on topic The machine is choppy when using MPG
I think it is probably worth investigating _why_ jog-accel-fraction isn't working on the second machine.
One drawback of ilowpass is likely to be that it prevents the joint.N.jog-vel-mode setting from working properly (as the rest of the system dosn't see the jogwheel stop)
One drawback of ilowpass is likely to be that it prevents the joint.N.jog-vel-mode setting from working properly (as the rest of the system dosn't see the jogwheel stop)
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