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  • Darrell
  • Darrell
30 Sep 2026 14:38
Replied by Darrell on topic What once was no longer works.

What once was no longer works.

Category: Configuration Tools

My initial plan was to create an "All In One" setup/GUI interface. I did a similar wire diagram as yo did. I was toying around with Unreal Engine years ago and got the graphical idea from that. under the hood it's goal was to simulate actual physical machine wiring.

I got bogged down in just trying to get the UI buttons to do what they should. lot's of safety concern logic, graphical rendering issues..

Along the way I learned that there is an "API." So here I am rewriting it.

I can kind of read C++ and do some coding in other languages as well, but AI is just so much faster than me at writing the actual code. Basically with a couple clicks a users with mesa cards should have a working tunable setup. That was the hope anyway. I've been working on this for the better part of 6 months or so. multiple Debian reinstallations. I am now trying to learn linux terminal (gross).

I had an old I5 pc that I am repurposing. I have an old GTX1070 I was trying to get to work with the RT kernel (fail), so the gcode preview wouldn't take so long to load with 5MB+ file sizes.. I get that users can run linuxcnc on PI and other micro controllers, but I thought I could just repurpose this old pc to do the job, and have some cool bigger "out of left field" features. haha
  • grandixximo
  • grandixximo's Avatar
30 Sep 2026 14:01

Would you use a feed rate for rotary axes in mm/min (surface speed)?

Category: General LinuxCNC Questions

Yes got some mixed responses, G93 works for some. The ones who'd like to try, seem to want it as a G-code, which makes sense...
  • besriworld
  • besriworld
30 Sep 2026 13:58 - 30 Sep 2026 14:00
Replied by besriworld on topic Exchange Simodrive 610 to new components

Exchange Simodrive 610 to new components

Category: Computers and Hardware

+1 for new  the motors and drivers. In my opinion, it is quite possible that the error is caused by a defective servo motor. Is there a flexible coupling between the servo motor and the ball screw assembly?
  • viesturs.lacis
  • viesturs.lacis
30 Sep 2026 11:17
Replied by viesturs.lacis on topic lcec_conf exited without becoming ready

lcec_conf exited without becoming ready

Category: EtherCAT

I just wanted to post a little update - I got to the point where lcec HAL pins reflect parameters saved in VFD drive (min and max velocity) which makes me think that EtherCAT communiction is actually working, but I cannot get the VFD to switch its modes. I was switching cia402.enable pin on and off, controlword value was changing (I had connected cia402.controlword with lcec.0.[some_more_symbols].controlword) but lcec mode pins never changed their value.
On the nameplate of VFD among all the numbers etc there is a letter which according to manual means that the drive was preconfigured when ordering for some (unknown to me) addon module. And drive shows error A7AB which means that the drive does not find the module it has been configured for. And since that is a second-hand drive I have no way of finding out more.
Long story short - I gave up on my attempts to get this drive to work with EtherCAT and already told that to my customer.
Rod thank you for your time and effort helping me on this one!
  • tuxcnc
  • tuxcnc
30 Sep 2026 10:21

Would you use a feed rate for rotary axes in mm/min (surface speed)?

Category: General LinuxCNC Questions

The idea is a reference radius for each rotary axis, set in the INI. For example, `[AXIS_A] FEED_RADIUS = 25` 

This is a very bad idea, looks like it was captured from Mach3...
This is what LinuxCNC is good at, it doesn't have a thousand buttons that change the way it interprets g-codes.
Sharing settings between the ini file and the ngc file like this is bound to end in an accident at some point.
However, there are no contraindications to adding a new G or M code that will do what you write about. Then everything will be in one file and there will be no risk of running one program with the settings of another...
  • coffeeking
  • coffeeking
30 Sep 2026 10:13
Replied by coffeeking on topic Notifications

Notifications

Category: Show Your Stuff

No problem, just trying to give a little back!
  • grandixximo
  • grandixximo's Avatar
30 Sep 2026 08:54
Replied by grandixximo on topic looks like a bug in linuxcnc?

looks like a bug in linuxcnc?

Category: General LinuxCNC Questions

Maybe it was a limit error, but the message did not help figuring that out at all, was the sub itself that was out of limit? and it caused the error in the picture?
  • grandixximo
  • grandixximo's Avatar
30 Sep 2026 08:15

Would you use a feed rate for rotary axes in mm/min (surface speed)?

Category: General LinuxCNC Questions

I'm deciding whether to work on a LinuxCNC feature and would like to know first whether anyone would actually use it.

Today, when a rotary axis moves together with X, Y or Z, F applies to the linear axes only, and a rotary move on its own runs at F in degrees per minute. On a 4th-axis wrap, where the surface of a cylinder is cut with X and A, the surface speed therefore doesn't match F. The usual workaround is inverse time (G93) from the CAM.

The idea is a reference radius for each rotary axis, set in the INI. For example, `[AXIS_A] FEED_RADIUS = 25` puts A in the feed calculation as if it were a length at 25 mm from its centre. A move of A alone at F100 would then run at 100 mm/min on the surface at that radius, and X with A would run at F along the combined path. Siemens (FGREF) and Fanuc (a parameter) do the same.

Questions:
1. Would you use this, or does G93 from your CAM already cover it for you?
2. What machine: 4th-axis wrap, rotary table, something else?
3. The useful radius is usually the stock radius, which changes per job. Is a fixed INI value good enough, or would you need to set it from G-code?

A short "yes, I'd use it", "no" or "G93 is fine" helps. If nobody needs it, I'll leave it.

 
  • trackwhack
  • trackwhack
30 Sep 2026 08:13
Replied by trackwhack on topic Perpetual License CAM

Perpetual License CAM

Category: Show Your Stuff

@plasmanfm

1.0.7 will release today and the help file fix is in.
  • Unlogic
  • Unlogic
30 Sep 2026 07:08
Replied by Unlogic on topic Optimum Optimill MH50V CNC conversion

Optimum Optimill MH50V CNC conversion

Category: Milling Machines

I received the braking resistor yesterday and mounted it on the left side of the cabinet. The cables that came with it were just long enough to reach all the way to the spindle drive.

 

 

With the braking resistor installed and the parameters set in the spindle drive the faults when stopping the spindle from high RPM disappeared.

As the machine seemed to be ready for the first test cuts I cleaned the vices in the parts cleaner and installed them.

 

Getting all three of them trammed in took it's time as usual...

 

For the first nervous test cuts with the new spindle I used a piece of 7075 aluminum.

I started with an 80 mm face mill and immediately noticed a clear improvement in surface finish which I hadn't expected.

 

Next I milled the sides with a 16mm DLC coated solid end mill. The resulting finish was something I've never seen on this machine before.



This was just a quick cut with a width of 0,5 mm so this feels very promising. I'll report back when I've milled a few real parts.
  • tommylight
  • tommylight's Avatar
30 Sep 2026 01:55

Retrofitting a 3-axis VMC with DC servos - guidance needed

Category: Driver Boards

All shielding should be wired to a terminal block to machine ground.
Search for HyperTherm grounding best practices, they had a very good pdf about it.
And since we are here, grounding and shielding is never simple, so requires a bit of time, but it is very well worth it for the time it saves when working with such machines.
  • my1987toyota
  • my1987toyota's Avatar
29 Sep 2026 23:56 - 30 Sep 2026 00:00
Replied by my1987toyota on topic LinuxCNC-Branded USB Drives

LinuxCNC-Branded USB Drives

Category: Off Topic and Test Posts

Got myself one. I will add it to my collection of backup ISO's
  • leandrocontarini
  • leandrocontarini
29 Sep 2026 23:35
Replied by leandrocontarini on topic XML Settings for EC1-57E

XML Settings for EC1-57E

Category: EtherCAT

I managed to get it working. Here are the files.
  • tommylight
  • tommylight's Avatar
29 Sep 2026 21:30 - 11 Oct 2026 12:37

Looking urgently for a german / european Linux CNC consulting help.

Category: User Exchange

I am not much help with probing nor QtDragon, for the rest probably yes.
As for video call, yes of course, now is OK for me as i am going in the shop, i have whatssapp only, but there are some general rules to follow:
-if something is unclear, ask again and again, there are always more than one way to describe something
-when using chat, read all the replies, not just the last one, so scroll before asking or doing anything
-follow instructions strictly
---Number delted---
will be available for the next hour, after that leave a message and i will get back, as i do not keep that phone with me all the time.
-
Will delete the number after confirmation you got it.
And you owe me a coffee whenever i come to Germany!
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