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  • DarkPhoinix
  • DarkPhoinix
13 May 2025 15:11
Replied by DarkPhoinix on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

  33  s32   RW       16640759  remora.read.tmax

I don't know the CPU clock frequency but if it's say 3 GHz, this is ~5 ms
so if you have a 1 ms servo thread, you are likely dropping packets

This indicates a network latency issue.

So possible the DKMS patch did not apply or there is still something
remaining wrong with the network setup.

I would run the ping test again, as it will show these issues clearly

sudo chrt 99 ping -i .001 -q -c 60000 10.10.10.10

sudo chrt 99 ping -i .001 -q -c 60000 10.10.10.10
PING 10.10.10.10 (10.10.10.10) 56(84) bytes of data.

--- 10.10.10.10 ping statistics ---
60000 packets transmitted, 60000 received, 0% packet loss, time 60017ms
rtt min/avg/max/mdev = 0.128/0.215/3.609/0.047 ms
####################################################
sudo lsmod | grep r8
r8168                 581632  0
####################################################
sudo dmesg | grep r8
[    0.024413] percpu: Embedded 62 pages/cpu s217088 r8192 d28672 u524288
[    0.024419] pcpu-alloc: s217088 r8192 d28672 u524288 alloc=1*2097152
[    0.936673] r8168: loading out-of-tree module taints kernel.
[    0.936799] r8168: module verification failed: signature and/or required key missing - tainting kernel
[    0.949871] r8168 Gigabit Ethernet driver 8.051.02-NAPI loaded
[    0.982399] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[    0.982420] r8168  Copyright (C) 2022 Realtek NIC software team <nicfae@realtek.com> 
[    0.996908] r8168 0000:03:00.0 enp3s0: renamed from eth0
[    8.722135] r8168: enp3s0: link up

 
  • Aciera
  • Aciera's Avatar
13 May 2025 15:10
Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Category: Advanced Configuration

You have G54 offset active, which is set to Z: 180 so since the spindle nose is in the home position you get a z-position of -180.
  • tommylight
  • tommylight's Avatar
13 May 2025 15:05
Replied by tommylight on topic Linuxcnc wood lathe insufficient torque

Linuxcnc wood lathe insufficient torque

Category: General LinuxCNC Questions

What is the acceleration set at?
Try 50 or 100 for now. For metric, that is.
  • tommylight
  • tommylight's Avatar
13 May 2025 15:01
Replied by tommylight on topic Esab Ultrarex UXD-P2000 Upgrade Project

Esab Ultrarex UXD-P2000 Upgrade Project

Category: Plasma & Laser

Install Inkscape
sudo apt install inkscape
Unzip the attachment, copy both gcodetools_xxxxxx to
/usr/share/inkscape/extensions
yes to overwrite
Open Inkscape, draw something, Path menu, object to path, extensions menu>gcodetools>tools library>choose PlasmaC> apply
Again extensions menu>gcodetools>path to gcode , preferences tab>directory> add Documents , do not delete existing > path to gcode tab >clcik on "sort paths to reduce....."> click apply > click OK > close
Open in LinuxCNC, run.
-
Attachment is for older Inkscape, does not work on new versions, if anyone needs the new versions, let me know.
  • jochen91
  • jochen91
13 May 2025 15:00
Replied by jochen91 on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Category: Advanced Configuration

That is true. But i was talking about Z. Where does the -180mm comes from ? The Z offset contributes some amount to it, but the rest ?
  • tommylight
  • tommylight's Avatar
13 May 2025 14:45
Replied by tommylight on topic Esab Ultrarex UXD-P2000 Upgrade Project

Esab Ultrarex UXD-P2000 Upgrade Project

Category: Plasma & Laser

-disable auto volts
-disable void sense
-set VAD to 50%
-set cut speed to 1500
-set pierce height to 3
-set cut height to 2.5
-set pierce delay to 0.2
-set cut voltage to 90
Adjust cut voltage till the torch is about 1-1.5mm above material while cutting, use a welding mask to check.
Adjust the cut speed depending on the material being cut and the current set on the plasma source.
Do a lot of test cuts for every material thickness, look under it for dross, less dross = less cleaning.
  • PCW
  • PCW's Avatar
13 May 2025 14:24 - 13 May 2025 14:25
Replied by PCW on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

  33  s32   RW       16640759  remora.read.tmax

I don't know the CPU clock frequency but if it's say 3 GHz, this is ~5 ms
so if you have a 1 ms servo thread, you are likely dropping packets

This indicates a network latency issue.

So possible the DKMS patch did not apply or there is still something
remaining wrong with the network setup.

I would run the ping test again, as it will show these issues clearly

sudo chrt 99 ping -i .001 -q -c 60000 10.10.10.10
  • Aciera
  • Aciera's Avatar
13 May 2025 14:08
Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Category: Advanced Configuration

Your difference in the home position of the X-axis comes from changing [JOINT_0]HOME from 0 to 200:
 

This should not change any gcode behavior as such though.
  • PCW
  • PCW's Avatar
13 May 2025 13:58
Replied by PCW on topic hal functions

hal functions

Category: General LinuxCNC Questions

You will need to plot the following error with halscope to see whats going on

Note that FF1 will be 1.000 if the encoder and stepgen are scaled properly.

That is, the encoder position should match the stepgen feedback position if
both are scaled  properly so as far a the PID sees things, they are nearly identical.
  • jochen91
  • jochen91
13 May 2025 13:56
Replied by jochen91 on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Category: Advanced Configuration

Here is the promised ini file. It is as i thought:

Z-Axis: 0 - 1065mm
Z-Joint: -1 - 1066mm

Thank you for the G7/G8 fix :)

Kind regards,
Jochen
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