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A real noob on qtvcp I will say

From a qtvcp panel, is it possible to modify the motion.digital-out-xx HAL pins with M62-M65 during AUTO mode, as in when the machine is cutting, without going into MDI mode?

I would like this to have the ability to manually raise or park a Z independent dust shoe during cutting. The dust shoe is normally controlled with M62-65 during tool changes.

Thank you. I will look into this. I'll post what version of GUI I'm using when I can.

Almost certainly, provided it is capable of accepting either analog velocity or torque commands, or digital positioning commands (step/dir or quadrature.) or can do EtherCAT.

What size piece gives your 0.75" larger, or is the oversizing pretty consistently the same amount regardless of the size of the item or is it a proportional oversizing (bigger pieces off more smaller pieces off less?

Are you using tool diameter offsets? One possibility would be if you have your CAM program generating the tool path with tool offset, but are also using an additional tool offset in Linuxcnc.

How did you determine your step scaling? Did you calculate it from the drive mechanics, or did you use experimentation? (Measure a feed move and adjust the scale to get the size move you wanted.)

If you used experimentation and the system was loosing steps for some reason, This can give a fairly consistent offset in size variation for each move.

OK Leistung ist OK,
Andere Probleme können die Verkabelung oder die HAL-Datei sein Wo wird das 7I84U angeschlossen?

Mangelnde Kommunikation kann ein Verkabelungsproblem mit dem Kabel sein
oder dass der verwendete Kanal in der HAL-Datei nicht aktiviert ist

I made the config with PnCconf and only slightly changed to to account for probe basic interface.
the inductive endstops are mounted on the traveling part of the axis and there are metal stops at each end of the travel.

the machine has the following specs:
Machine Specs:
X460, Y750mm, Z160
20mm linear rails
10mm pitch ballscrews, 20mm diameter
Construction: aluminum profiles bolted to 12mm steel plates, welded gantry sides
Motors: Y-axis 6.8Nm stepper, Z + X-axis 3Nm stepper
Drives: DM556 V1 48v
Spindle: 24K RPM 2.2kW ER20
inductive endstops
good latency values mostly sub 3000ns servo

Hallo Peter
Ich habe die 7i84u Pin 1,2,4,4 mit 24 V + und Pin 8 GND Verbunden
beim einschalten brennt CR 5 Rot, CR 2 und Cr 7 gelb
wo liegt der Fehler

mfg
Hilton

Hi..after calibrating x,y,z axis pretty close...I run file (see attached)..and the part comes out about .75" larger than what was generated in cambam..
not sure what is happening here....

Thanks for any help..
Rick