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  • Aciera
  • Aciera's Avatar
15 Dec 2025 13:41
Replied by Aciera on topic VOLATILE_HOME not unhoming on fault

VOLATILE_HOME not unhoming on fault

Category: Basic Configuration

Does joint.N.amp-fault-in actually turn the machine off?

Yes, it does.
  • Murphy
  • Murphy
15 Dec 2025 13:33 - 15 Dec 2025 13:33

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

I don't know about the file size @scotta ?
But scotta made the beta to try and solve my CSS problem. I still have no solution. If you have the RT1052 controller. Let me know if you can get the CSS working on your build.
  • aDm1N
  • aDm1N's Avatar
15 Dec 2025 12:19 - 15 Dec 2025 12:51

LatheEasyStep – experimental QtVCP macro for step-by-step lathe programming

Category: Qtvcp

Hi all,

I want to share an experimental QtVCP macro I am currently working on:
LatheEasyStep.

It is embedded into the QtDragon lathe panel and aims to simplify
lathe programming by replacing manual G-code writing with a structured,
step-by-step workflow (facing, contouring, parting, threading, drilling,
keyways, etc.).

Each operation is configured in its own tab with tool, spindle, feed,
coolant and geometry parameters. The macro then generates a complete
lathe program, including comments and basic safety moves.

Important notes:
- This project is NOT finished.
- The G-code generation still needs restructuring and improvement.
- I built the first working version with the help of AI, then refined it
  manually. I am very aware that this often leads to suboptimal structure,
  which is exactly why I am asking for feedback.

What I am especially looking for:
- Suggestions for a cleaner G-code generation architecture
- Common LinuxCNC lathe pitfalls I should explicitly handle
- Ideas for improving safety, validation, and workflow
- General QtVCP / QtDragon best practices

The project is GPL licensed and available here:
github.com/peter-pan08/LatheEasyStep

Critical feedback is explicitly welcome. I am more interested in doing it
right than doing it quickly.

Thanks in advance!

 
  • zoeper
  • zoeper
15 Dec 2025 10:53 - 15 Dec 2025 11:10
Replied by zoeper on topic Avon 3000 Mill retrofit

Avon 3000 Mill retrofit

Category: Milling Machines

Hi All, 
At some point the S-code could be used to command the spindle speed. The control sends an analog voltage to the LARRIOZ speed control card. The card reads a sensor that counts spindle revolutions and compares it to the commanded speed. The card can then switch relays, that in turn switch the contactors driving the motorized CVT transmission between spindle and spindle motor to increase/ decrease the spindle speed as required.
 
This never worked since I got the mill. I did at the time try to get it to work, but due to lack of knowledge and/ or documentation, I could not get working. I would think that the lithium battery in the Dallas non-volatile SRAM would be long gone, but I am not sure what would be stored in SRAM. I assume (While I know not to assume anything) that the firmware would live on the EPROM and the SRAM might hold parameters relating to the specific installation. Other than JP 1(Jumper), and P1 (Potentiometer) there is no other configuration or programming port on the LARRIOZ HABIKON1 board.
Although slow, I prefer this system, as I would not sacrifice low speed torque, as would be the case with using only a VFD for speed control.
I suppose it would be fairly easy with modern microcontrollers to get the system going again, but I would be happy to hear from others as to their experience or suggestions as to how I should proceed.
Regards
P
 
  • tommylight
  • tommylight's Avatar
15 Dec 2025 10:43

Updating from LINUXCNC - 2.8.4-23, Mint 20.3 - gmoccapy lathe structure

Category: Gmoccapy

Also, how can a person do roofing, plumbing, parquet flooring, and CNC?

Multi-talented! perhaps too multi-talented!

Stop offending people, i will not warn you again!
Instead, go read through this forum, watch pictures and videos, you might get some appreciation about what our members here are capable off.
  • rodw
  • rodw's Avatar
15 Dec 2025 10:22
Replied by rodw on topic Axis deflecting while jogging in G54

Axis deflecting while jogging in G54

Category: QtPyVCP

It would probably be a good idea to add MaHa's G10 solution to your startup code..
  • rodw
  • rodw's Avatar
15 Dec 2025 10:19

Long initialization of Ethercat on servo drive SV660N

Category: EtherCAT

Did anybody get it to run with Rods guide??

E.

I don't think it works.  The master is meant to sense if of EoE is available but 2 things collide.
1. There is a bug affecting this drive in the ethercat master
2. the Linuxcnc  driver does not support EoE

I think without the bug it should fall back to supporting non-EoE mode but its a long time since I looked at this.
  • rodw
  • rodw's Avatar
15 Dec 2025 10:10
Replied by rodw on topic VOLATILE_HOME not unhoming on fault

VOLATILE_HOME not unhoming on fault

Category: Basic Configuration

Does joint.N.amp-fault-in actually turn the machine off? I'm not sure it does. I know it stops motion. My thinking is that conce you have the machine dialed in you will never get this error.
  • BoMadsen
  • BoMadsen
15 Dec 2025 10:04
Replied by BoMadsen on topic Issues with simple input on 7i76eu

Issues with simple input on 7i76eu

Category: Driver Boards

Aahh shoot! I was hoping to avoid resoldering my DIY pullup resistor board. But thank you for the explanation.
  • jaro_p
  • jaro_p's Avatar
15 Dec 2025 08:50

Changes in configuration files generated in pncconfig for 7i76 to 7i78

Category: PnCConf Wizard

Hello, I was trying to change the bitfile in my 7c81 so that there would be only one 7i78 on port P1. Port P2 would be freed up for separate MPGs for X and Z axes. So there would be no need for 7i33 (which would probably be another complication I wouldn't go through). But in the Mesa firmware there is no 7i78x2 configuration, nor 7i78 for Xilinx ISE (*.xise). Is it possible to download this configuration somewhere else?
  • Hakan
  • Hakan
15 Dec 2025 08:23 - 15 Dec 2025 08:24

Ethercat compatible Encoder board tentative STM32F4 + LAN9252

Category: EtherCAT

Good morning, I have looked at the code now. Clear out the whole loop() function and insert just this line
void loop(void) {
  ecat_slv();
}

That should do it. You never called ecat_slv() in cyclous mode.
The danger of using someone else's code.
It meant it never used spi to query lan9252 for changes and updates to register etc etc.

There were a lot of diagnozing and trouble-shooting with the I2C so I wanted an easy way
to run the board as a normal aurduino without the ethercat things. It was required to define ECAT
during compile for it to be an ecat device. Now that is gone, so remove all of that.
  • spumco
  • spumco
15 Dec 2025 05:01
Replied by spumco on topic Clearpath HLFB amp.joint.delay

Clearpath HLFB amp.joint.delay

Category: HAL

 I will try to figure this out my apologies That I haven't picked up on this yet.
 


No worries, you'll get through this even if you feel like you're lost now.

Takes a while for HAL to sink in - it did for me.
  • gravedigger
  • gravedigger
15 Dec 2025 04:57
Replied by gravedigger on topic stepgen maxvel too big and SRO problem

stepgen maxvel too big and SRO problem

Category: Gmoccapy

I was able to solve the error with maxvel too big by changing the steps per revolution to 2500 in the servo controller. Now I just have to solve the problem with the MVO.
  • Fastfred
  • Fastfred
15 Dec 2025 02:42
Replied by Fastfred on topic Clearpath HLFB amp.joint.delay

Clearpath HLFB amp.joint.delay

Category: HAL

No I did not copy the whole thing just the hal part for HLFB thats it.

Thanks
  • djdelorie
  • djdelorie
15 Dec 2025 02:29
Replied by djdelorie on topic Clearpath HLFB amp.joint.delay

Clearpath HLFB amp.joint.delay

Category: HAL

You should not JUST copy the three files I posted; at best you could insert the snippets I posted first (there's a section in my custom.hal that matches it, you could cut-n-paste that). You *should* be able to use my HLFB logic as-is if you have wired each servo to its own enable/fault pins, and have a gantry-style (dual Y) system.

With a basic understanding of how HAL works, you should be able to figure out my hal setup. I'm not an expert at HAL so my logic is pretty basic. The bigcnc.* files are pretty much right out of pncconf (but tweaked) and the custom.hal file is all mine.
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