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  • Murphy
  • Murphy
27 Feb 2025 13:45 - 27 Feb 2025 14:02

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Am I missing something with index enable? I have the Z phase connected to remora.input.13. hal pin lights up every rotation. But I am getting no index enable lights on when I turn it. Should I connect the encoder phase z to index enable ?
Iv also attached a pic of the config file. I'm using the WhA and whB
  • prokopcio
  • prokopcio's Avatar
27 Feb 2025 12:58 - 27 Feb 2025 13:03

Laser Head Height Sensor – Looking for a Beta Tester

Category: Plasma & Laser

Hello everyone!I have completed the design of a laser head height sensor. While it was originally developed for systems other than LinuxCNC,
I would like to extend its compatibility to this popular and highly capable control system.Is there anyone here who could help me/ be a beta tester? I have no experience with LinuxCNC.Available output configurations:
  • Direct processing: capacitance/voltage 0-10V (nonlinear)
  • Linear processing: 0-10mm → 0-10V (reversible)
  • Linear processing: 0-5mm → 0-10V (reversible)
  • USART 57600, 0.00-10.00mm with 0.01mm resolution
If another configuration is needed, I can adapt it.I would be happy to send the device for testing with a laser head + LinuxCNC.
  • jairobbo
  • jairobbo
27 Feb 2025 11:54
Blender Addon for creating 5 axis GCode was created by jairobbo

Blender Addon for creating 5 axis GCode

Category: Show Your Stuff

Hey Guys,

If you have a moment. This video as well as the code is super rough, but I wanted to raise a bit of attention for those that are interested:
I have a modified Ender3 3d printer with two rotational axes. It is controlled by a raspberry pi and an cotopus board 1.1 with remora linuxcnc.

github.com/bbo-git/5AxisSlicerBlenderAddon # indexed slicer with cura engine backend
github.com/bbo-git/5AxisKinSlicerBlenderAddon # spiral toolpath creator and Gcode generation



with kind regards,
Jairo
  • rodw
  • rodw's Avatar
27 Feb 2025 11:48

Mesa hm2/hm2_7i96s.0: error finishing read

Category: Driver Boards

It happens, sorry I broke it... sometimes you can log in using another kernel on your system and resolve. I just can't remember how but I have been caught a few times...
  • Ritterchen
  • Ritterchen
27 Feb 2025 10:58
Replied by Ritterchen on topic Datron M9 to LCNC Conversion

Datron M9 to LCNC Conversion

Category: CNC Machines

Ohh yes, there were no updates here. But mainly because the machine is running since 3 years production. 
Plan to be better in the sharing-back side of things!Very happy with the system overall, not much left to do I think.

Only main thing I consider to upgrade it to an external ATC system, but this will be quite some work. I had some process reliability issues with the internal tool changer as I do a lot of micro machining with Aluminium dust on the tool holders ruining my HSK25 spindles, not so much fun.

So went back to manual spindles for a bit. Ahh and making the Datron probing work again, thats on the to do!
The build went pretty straight forward. Would always recommend Delta A3s again as their auto tune is very valuable.
Maybe next time I would give it a shot to go Ethercat, as a few years back it was not that well documented.
Made parts down to 0,01mm repeatable. Below that its a lot about how good your spindle is (ER collets suck there)

Mechanical changes
- removed top and replaced with PC to have daylight in the machine :)
- Upgraded a Microjet 1L cooling system to make it 10L
- just bought a larger tube and sanded of the ends //don't do this at home^^
- Blum Z Nano for more Z-Precision between tool changes (required for sub 0,01mm)
- Schunk Vero Tool Change palette, controlled by a switch next to the emergency-off, oiler unit in the pneumatic cabinet under the machine
- 3d printed chip covers on the sides, so the chips fall down

 
 
 
 


Z-Axis
- Completely changed because the previous one was really unpleasant to adjust and I needed a connector to quickly swap spindles
- Probe is still to be done, but not super relevant for the things I do

 

User Control panel
Went with a 22" Iiyama TF2215MC, touch works well, only a bit glossy, but just looks nice.
Thought about getting an older larger hardware interface panel with it, but as most functions are implemented nicely in the Gmoccapy UI, there was not much I was looking for.
I used mainly the tool eject as hardware button, light and one led for Low-Air alarm together with feed control encoders. The encoders work very well as you can adjust the value either by the UI (switch to 100% with one click) or fine tune it by the knobs in 5% steps.

 


VFD
A bit more messy side of the machine, but works. Liked to have it seperate from the servo controls as I had troubles with that before. Not worth the trouble for solving it for 2m extra cable. 
Started with cable based IO but Modbus is soo good with all the feedback, would never go back ;D
Only thing left is combine the 380V into the machine, as it originally ran on 220V.

 


Electrical Cabinet
- generally very happy how it turned out, but would plan the cable-inlet section a bit better next time!
- used some flexible cable protection, really pricy (especially the end-parts) these things, but looks awesome and keep away the dirt -> really oversize them! Pushing in cables in undersized ones is really painful!!
- Control computer is a Lenovo Thinkcentre M73 with 16GB upgraded RAM, great performance only a second ethernet port is missing

 


Total conversion costs around 4k€ for the electronics, exclusive toolsetter zero plate fixture etc. not so much hobby budget, but still way cheaper than "professional" retrofits I never was down in 3 years for more than a day at 0€ technician costs. Maybe not so reasonable for a scaled business but great to start out as it is way cheaper to break things compared to a new machine. And once you did one machine I would feel comfy to implement it in another in a month of time.

Hope to give some inspiration to implement!
  • JT
  • JT's Avatar
27 Feb 2025 10:47

Mesa hm2/hm2_7i96s.0: error finishing read

Category: Driver Boards

I ran sudo apt purge r8168-dkms then rebooted now I have no internet connetion on that pc so I can't install anything via apt...

JT
  • Ritterchen
  • Ritterchen
27 Feb 2025 10:44 - 27 Feb 2025 10:57
Replied by Ritterchen on topic Datron M9 to LCNC Conversion

Datron M9 to LCNC Conversion

Category: CNC Machines

-to be deleted-
  • rodw
  • rodw's Avatar
27 Feb 2025 09:46
Replied by rodw on topic Help on setting up a probe

Help on setting up a probe

Category: General LinuxCNC Questions

not sure Gmocappy supports probing yet.
Have a look at QTdragon. It works nicely.
you connect your probe to motion.probe-input  type man motion to read further
  • rodw
  • rodw's Avatar
27 Feb 2025 09:42
Replied by rodw on topic Rotating the g54 coordinate system.

Rotating the g54 coordinate system.

Category: General LinuxCNC Questions

yes, but I think rotation is applied to the current coordinates. qtdragon and QTplasmac already support part rotation the way you describe..
 
  • flexbex
  • flexbex
27 Feb 2025 07:53
Rotating the g54 coordinate system. was created by flexbex

Rotating the g54 coordinate system.

Category: General LinuxCNC Questions

Hi let's assume I have a work piece not perfectly square on my table. Could I touch of one side of the workpiece on two points with a probe. Then I would define this as one of the axis of g54 coordinate system. Let's say y axis. So that it would be rotated to g53?
  • flexbex
  • flexbex
27 Feb 2025 07:45
Help on setting up a probe was created by flexbex

Help on setting up a probe

Category: General LinuxCNC Questions

Hi I'm new to LinuxCNC and I have a 3D touch probe. I'm using gmocapy. The probe is tied to one of my Mesa inputs. What do I have to write in my hal and in files to connect it? And how do I control it from the gui?
  • d12k6
  • d12k6
27 Feb 2025 07:35
Replied by d12k6 on topic HAL with ArduinoConnector

HAL with ArduinoConnector

Category: HAL

Thank you it works :)
  • Mr. Mass
  • Mr. Mass's Avatar
27 Feb 2025 06:25
Replied by Mr. Mass on topic HAL with ArduinoConnector

HAL with ArduinoConnector

Category: HAL

Trying change first line in HAL to this:

loadusr -Wn arduino arduino-connector
  • HenkvE
  • HenkvE
27 Feb 2025 05:46 - 27 Feb 2025 12:23
Replied by HenkvE on topic Qtdragon for lathe??

Qtdragon for lathe??

Category: Qtvcp

I'll post it as soon as I can. 
After posting the files I changed the .ini settings:  OUTPUT_SCALE =value to 1000 and it partially solved the issue.  My Spindle output  range is now 0-10V for forward rotation.  However, this seems not to be an absolute value.  There are various other posts that use completely different values that work for them.  I haven't been able to find the parameters than influence the required value of OUTPUT_SCALE.  It is pure coincidence that I stumbled upon this solution.  It only works for forward rotation but not for reverse rotation. I would however like to rotate the spindle both ways.

[SPINDLE_0]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 2000.0
ENCODER_SCALE = -400.0
 OUTPUT_SCALE = 1000
 OUTPUT_MIN_LIMIT = 10
 OUTPUT_MAX_LIMIT = 2000
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