OLD Lathe conversion to a CNC
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12 Jul 2024 05:17 #304965
by PCW
Replied by PCW on topic OLD Lathe conversion to a CNC
I'm not sure I understand the issue.
There is no logic in the hal file to limit the spindle acceleration
No following error would be expected since the spindle is not an axis
There is no logic in the hal file to limit the spindle acceleration
No following error would be expected since the spindle is not an axis
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- besriworld
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12 Jul 2024 05:25 #304966
by besriworld
Replied by besriworld on topic OLD Lathe conversion to a CNC
I want the machine to stop if the spindle stops or the RPM slow down.
Also, when starting the spindle, there should be a set acceleration.
Also, when starting the spindle, there should be a set acceleration.
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12 Jul 2024 13:45 #304996
by PCW
Replied by PCW on topic OLD Lathe conversion to a CNC
It looks like you have the needed components for this (limit2 and near)
but they are not connected.
That is you have the PID spindle speed command coming directly
from the commanded spindle speed:net spindle-vel-cmd-rpm => pid.s.commandRather than having been fed through the limit2 component.
Also the limit2 maxv (which limits the ramp rate) is not set
Similarly you do not have the near component connected
nor is the near components scale or difference values set
but they are not connected.
That is you have the PID spindle speed command coming directly
from the commanded spindle speed:net spindle-vel-cmd-rpm => pid.s.commandRather than having been fed through the limit2 component.
Also the limit2 maxv (which limits the ramp rate) is not set
Similarly you do not have the near component connected
nor is the near components scale or difference values set
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29 Jul 2024 13:03 #306328
by besriworld
Replied by besriworld on topic OLD Lathe conversion to a CNC
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30 Jul 2024 09:05 #306389
by RotarySMP
Replied by RotarySMP on topic OLD Lathe conversion to a CNC
Nice work. What did you use to design and layout the panel PCB?
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30 Jul 2024 10:03 #306392
by besriworld
Replied by besriworld on topic OLD Lathe conversion to a CNC
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30 Jul 2024 10:14 #306394
by RotarySMP
Replied by RotarySMP on topic OLD Lathe conversion to a CNC
I should have done the same on my last build.
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11 Aug 2024 09:13 #307472
by besriworld
Replied by besriworld on topic OLD Lathe conversion to a CNC
Quick video of the first tests. I'm still learning how to work.
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12 Aug 2024 15:31 #307551
by besriworld
Replied by besriworld on topic OLD Lathe conversion to a CNC
I made another video
Most likely I also have a problem with electrical noise. When I turn on the lubrication pump of the spindle, the screen flashes (the display is connected with an hdmi cable). Also in two weeks twice lost connection with 7i73
Most likely I also have a problem with electrical noise. When I turn on the lubrication pump of the spindle, the screen flashes (the display is connected with an hdmi cable). Also in two weeks twice lost connection with 7i73
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12 Aug 2024 16:12 #307559
by tommylight
Replied by tommylight on topic OLD Lathe conversion to a CNC
Find some of those doughnut shaped ferrite rings and wind the pup wires twice through it.
Plenty of those on old equipment.
Plenty of those on old equipment.
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