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  • jimboh2
  • jimboh2
26 May 2025 14:32
Replied by jimboh2 on topic Linuxcnc wood lathe insufficient torque

Linuxcnc wood lathe insufficient torque

Category: General LinuxCNC Questions

Great info thanks. I will most likely go with the 48v supply I bought , although I will then have to add another step down supply as the board max is 24v so I will need a 48v to 24v and then 24v to 5v I already have. Worthwhile though going by the graph. I don't expect to drive at high speeds either.
  • klamos
  • klamos's Avatar
26 May 2025 14:22
Replied by klamos on topic Handrad WHB04B-4

Handrad WHB04B-4

Category: General LinuxCNC Questions

Ich habe den Fehler gefunden: es war der doppelte Eintrag "net machine is on.." in der Handrad.hal. und in der Maschinen.hal. Wenn dieser Eintrag in der Maschinen.hal auskommentiert wird, dann funktioniert das Handrad korrekt.
  • theoneandonlyoreo
  • theoneandonlyoreo
26 May 2025 13:55
EasyProbe + PGFUN 3D probe was created by theoneandonlyoreo

EasyProbe + PGFUN 3D probe

Category: General LinuxCNC Questions

I had trouble installing Verser's v2.9 probing screen for the Axis GUI.  Eventually I decided to try EasyProbe.  Easy enough, except that the pocket probing function has a constant that only works for metric.  But if you change ff_distance from 5 mm to 0.2, it appears that everything works.

EasyProbe allows you to calibrate the probe tip, which avoids the complication of using an indicator to get the probe tip colinear with the axis of the spindle.  The drawback is you must measure with the probe oriented as it was during calibration.  Here's my calibration setup

 

The ring gage is 1.0060 inches
 

After calibration, the I probed the pocket a few times.  The measured diameters varied from the standard by
  1. 0.000,014 inches
  2. 0.000,006 
  3. 0.000,114
  4. 0.000,097
I would only believe this to a tenth (+/- 0.000,1 in).  But it's not bad for a probe tip that is off axis by almost 2 thou.

While working with EasyProbe, I encountered manual tool changing for the first time, with rapids set to 200 IPM.  I had also set TOOL_CHANGE_QUILL_UP, which almost smashed the probe into the table.  I had set up the axes using the right hand rule, with +Y moving away from the operator.  This requires that +Z is up.  I turned off the quill-up setting but had several close calls because M6 rapids the spindle to the tool change location, not caring about the Z position.  So I've got to reverse the Y axis so I can take advantage of the quill-up setting.  
  • SwitchWitch
  • SwitchWitch
26 May 2025 13:52 - 26 May 2025 16:38
Modbus via Ethercat (Beckhoff) was created by SwitchWitch

Modbus via Ethercat (Beckhoff)

Category: EtherCAT

Hi, I am just on the way to start my ethercat adventure.
I received my ethercat servos and some beckhoff ethercat interfaces as well.
Now i recognize that I still need something to control my Optidrive E3 VFD over modbus.
Can I use the El6001 Serial Interface or wich Interface do I need?

I would really appreciate any help or hint

best Kai
  • Grotius
  • Grotius's Avatar
26 May 2025 13:19
Replied by Grotius on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Hi,

i think you need to update local git clone first. It needs latest updates.

Then build_cmake.
  • Aciera
  • Aciera's Avatar
26 May 2025 13:18 - 26 May 2025 13:20
Replied by Aciera on topic Boley BKN 100 - Spindel as C-axis

Boley BKN 100 - Spindel as C-axis

Category: General LinuxCNC Questions

It is capable to switch between the two modes but it is not a 'normal' setup.

Because there are different setups there isn't a 'one size fits all' solution to do this.
In your case I would wire the DC drive as the spindle and the servo as a rotary axis (eg 'C').
Solutions will largely depend on what kind of encoder signal(s) you have and whether those track spindle position at all times or only in either turning or milling modes.
If you have encoder and index feedback from the same source and the encoder position isn't lost when operating the the spindle at max speed then you can home the rotary on startup and don't need to rehome when switching from turning to milling. There is 'caxis.comp' to prevent the spindle unwinding the accumulated rotations for this case. The original version of this can be found in the zip folder in this thread:
forum.linuxcnc.org/10-advanced-configura...ling?start=50#288345

If you do need to rehome the rotary due to lost encoder position then make sure to take note of the bug described in this thread and the workaround presented:
forum.linuxcnc.org/38-general-linuxcnc-q...blem?start=20#324276
  • onceloved
  • onceloved's Avatar
26 May 2025 12:47
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