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  • Micha
  • Micha
17 Mar 2025 14:30
Replied by Micha on topic UHD Graphics 730 with RTAI Kernel

UHD Graphics 730 with RTAI Kernel

Category: Computers and Hardware

It works well in text mode.

I don't think there would be any Mini ITX Boards with onboard GPU and we don't have the space for PCIe GPUs in the system.
  • scda
  • scda's Avatar
17 Mar 2025 14:29

caxis.comp with stepper motor / gear connection to spindle

Category: HAL

Luckly I installed a disk brake on my lathe's spindle during the retrofit (brake is operated with pressurized air). This works pretty well for holding the spindle during cutting in a specific angle.
  • PCW
  • PCW's Avatar
17 Mar 2025 14:14

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

Category: Milling Machines

Make sure the drive enables work so a runaway is stopped
before damage occurs. Alternatively, decouple the linear axis
from the motors.

A blind setup has about a 50% chance of a runaway because
either the encoder direction or analog output polarity are reversed
resulting in positive feedback = runaway.
  • Murphy
  • Murphy
17 Mar 2025 14:13 - 17 Mar 2025 14:14
Replied by Murphy on topic Testing CSS

Testing CSS

Category: General LinuxCNC Questions

I have gotten the spindle to react in CSS it's doing the opposite getting slower as x moves in. But I'm more concerned about the spindle speed changing is not smooth. Everytime it's adjusting the speed it jerks and it's not smooth. Video clip below.

youtube.com/shorts/1r4Jos8_Y1k?si=ZHSdJYkjGlDulI3B
  • Aciera
  • Aciera's Avatar
17 Mar 2025 13:43
Replied by Aciera on topic New update on STMBL

New update on STMBL

Category: Driver Boards

As far as I understand, this v5 supports imput 220vac 4 kW 4.5 kW motors,


What makes you say that?
  • Mike_Eitel
  • Mike_Eitel's Avatar
17 Mar 2025 13:42

Warum ruckeln die Motoren bei langsamer Geschwindigkeit?

Category: Deutsch

It is long ago but as i remember there are accelation ramps for your handwheel that i programmed..
  • Overspeed
  • Overspeed
17 Mar 2025 13:41
Replied by Overspeed on topic New update on STMBL

New update on STMBL

Category: Driver Boards

As far as I understand, this v5 supports imput 220vac 4 kW 4.5 kW motors, but is it not suitable for mach3? Doesn't it provide 5v pulse/dir?
  • Aciera
  • Aciera's Avatar
17 Mar 2025 13:35 - 17 Mar 2025 13:36
Replied by Aciera on topic New update on STMBL

New update on STMBL

Category: Driver Boards

As far as I'm aware V4 used an obsolete power semiconductor this (v5) is a forked project with a new design.

The origingal project is here but has not seen updates in a few years:
github.com/rene-dev/stmbl

Note that v4 does not support motors above 2kW either.
You might want to ask for updates over on this site as there does still seem to be some activity there:
app.gitter.im/#/room/#rene-dev_stmbl:gitter.im
  • Wischi
  • Wischi
17 Mar 2025 13:34
Replied by Wischi on topic Spindle PID RPM oscillates under load

Spindle PID RPM oscillates under load

Category: Advanced Configuration

Still no luck with that. I also get the feeling that testing under load might not be the best test.

My machine originally had a 18 speed gearbox. I reduced it down to 5 and did all the rpms inbetween using the vfd. Just switched that back to the original config and run the vfd/motor at its normal speed (2750 rpm). The extra torque from the gearbox keeps the rpm stable enough, so far I can live with that speed.

But still thank you for the answers!
  • rodw
  • rodw's Avatar
17 Mar 2025 13:23

Laser Head Height Sensor – Looking for a Beta Tester

Category: Plasma & Laser

Beautiful! Nowhere as near exciting here. But I have reworked my ethercat lab and have some beckhoff slaves installed for the first time (after I found an ethernet cable was faulty!)

 

I still have to get the homing switch working. The 8mm sensor does not see the aluminium so it needs a strip of steel fitted :(
  • Khan
  • Khan
17 Mar 2025 13:08 - 17 Mar 2025 13:12
Replied by Khan on topic Delta VFD-B Modbus with QtDragon_hd

Delta VFD-B Modbus with QtDragon_hd

Category: General LinuxCNC Questions

i managed to make it work, but having a weird issue, 1000 speed command is almost giving me a 10krpm, 
what could be the issue here ? i am manually testing it with hall show, 

i have attached my vfd hal and ini files, for testing with hall show i # all nets

File Attachment:

File Name: qtdragon_hd_xyz.ini
File Size:6 KB
 

File Attachment:

File Name: vfd.hal
File Size:1 KB


  • Overspeed
  • Overspeed
17 Mar 2025 13:08
Replied by Overspeed on topic New update on STMBL

New update on STMBL

Category: Driver Boards

but how is that possible there are a lot of sample videos with mach3 stmbl v4
  • prokopcio
  • prokopcio's Avatar
17 Mar 2025 11:35 - 26 Mar 2025 13:09
  • HenkvE
  • HenkvE
17 Mar 2025 11:22
Replied by HenkvE on topic Qtdragon for lathe??

Qtdragon for lathe??

Category: Qtvcp

Thanks for the clarification. I'll provide feedback once I implemented the changes.
  • fabi0696
  • fabi0696
17 Mar 2025 11:08
Replied by fabi0696 on topic EL6731 changes cyclically to INIT status

EL6731 changes cyclically to INIT status

Category: EtherCAT

Hello,

thanks for the help... But nothing is working at the moment. :-D 

The best thing to do with 
<sdoDataRaw data=“03 00 01 00 40 42 0F 00 00 00 00 00 00”/>
worked... except that the card always restarted. But with the configuration the process data exchange worked anyway.

Maybe I don't quite understand this.
The operating mode of the EL6731 “DP (Equidistant / no GC)” is correct, isn't it?
That also changes to
<sdoDataRaw data=“03 00 03 00 40 42 0F 00 00 00 00 00 00”/>

I have now deactivated the FoE and AoE. I really don't need that now.

The slaves seem to remain offline and no data exchange.

How can I understand this?

Your config is missing of the DC configuration adn SDO datas cofig too

What have I forgotten?
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