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  • UrKibin
  • UrKibin
21 Mar 2025 10:11 - 21 Mar 2025 10:58
Replied by UrKibin on topic CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

Category: Milling Machines

Hi All,

Good day. Managed to wire the ENA to the servo drive enable.

My current problem is overshoot. lets say I command it y5, it will go until y6 then go back to y5. Overshoot increases as feed speed increases. I estimate it to be 1mm per 100mmpm. so 100mmpm has an overshoot of 1mm, 300mmpm has an overshoot of 3mm.

PID settings are
P = 1.5 (If i add more, it shakes at higher speed)
I = 0
D = 0 (any increase and the system shakes)
FF0 = 0
FF1 = 1
FF2 = 0
Scale : 1225 (0.01 accuracy even with overshoots)

Regards,
Kibin
  • UrKibin
  • UrKibin
21 Mar 2025 10:10
Replied by UrKibin on topic CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

Category: Milling Machines

Hi All,

Good day. Managed to wire the ENA to the servo drive enable.

My current problem is overshoot. It is overshooting. lets say I command it y5, it will go until y6 then go back to y5. Overshoot increases as feed speed increases. I estimate it to be 1mm per 100mmpm. so 100mmpm has an overshoot of 1mm, 300mmpm has an overshoot of 3mm.

PID settings are
P = 1.5 (If i add more, it shakes at higher speed)
I = 0
D = 0 (any increase and the system shakes)

Scale : 1225 (0.01 accuracy even with overshoots)
  • HansU
  • HansU's Avatar
21 Mar 2025 10:04 - 21 Mar 2025 10:05
Replied by HansU on topic Keyboard Shortcuts in Gmoccapy

Keyboard Shortcuts in Gmoccapy

Category: Gmoccapy

Weird that it works with a small modification in a minimal running example but not in gmoccapy:

import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk, Gdk

class ToggleButtonApp(Gtk.Window):
    def __init__(self):
        super().__init__(title="Toggle Button Example")
        self.set_default_size(200, 100)
        self.tbtn_turtle_jog = Gtk.ToggleButton(label="Button is OFF")
        self.tbtn_turtle_jog.connect("toggled", self.on_chk_turtle_jog_toggled)
        self.add(self.tbtn_turtle_jog)
        self.connect("key-press-event", self.on_key_press)

    def on_chk_turtle_jog_toggled(self, button):
        if button.get_active():
            button.set_label("Button is ON")
        else:
            button.set_label("Button is OFF")

    def on_key_press(self, widget, event):
        keyname = Gdk.keyval_name(event.keyval)
        if keyname == "r" or keyname == "R":
            self.tbtn_turtle_jog.set_active(not self.tbtn_turtle_jog.get_active())
            return True  # Stop further processing of the event

win = ToggleButtonApp()
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()


Maybe you have some time to play around and figure it out if it is important for you.
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