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  • Finngineering
  • Finngineering
25 Feb 2025 08:27
Replied by Finngineering on topic Automatic naming of signals in HAL

Automatic naming of signals in HAL

Category: General LinuxCNC Questions

Okay, good that somebody else feels the same.

I realize the first post was rather long. The TL;DR is: why not have the HAL net command give signal names automatically in case no net name is specified. And if multiple connections is done to the same pin, simply link the following ones to the signal that is already there, without having to explicitly specify its name.
  • Hastrh2o
  • Hastrh2o
25 Feb 2025 08:18 - 25 Feb 2025 10:34

Using transformer with 3 28.5V secondary windings to supply 57VAC/80VDC

Category: General LinuxCNC Questions

I was wrong with saturation. I'm used to small ferrite toroidal transformers wich are sensible to saturation, but your is surely iron core. Like Tommy said, the limit is the temperature.
And even with ferrite, it's only one magnetic circuit, so saturation would only appear when the total windings current exceed the maximum of the transformer.
We don't care of unbalanced current between windings.

Tommy advice is to overload it and check the temperature, I agree it works, put the right fuse after test on the output and then. Are you even sure you will overload it ? Maybe not !
I would although consider to change it because I think it's a small one (you don't say how many amps you have), and I have many unused transformers. Maybe you don't. Have a look around you, it's easy to find some...

Doing a power supply.. For me no, if you put the three in series you will have 90VAC, better to use directly 120VAC or 240VAC in this case.

But once again, I assume your transformer is a small one (300VA ?), it's not the same if it's a 2kVA one, but in this case you wouldn't need to worry for the third driver.
  • Hastrh2o
  • Hastrh2o
25 Feb 2025 07:59 - 25 Feb 2025 13:23
Replied by Hastrh2o on topic Tool offset problem with Qt

Tool offset problem with Qt

Category: Qtvcp

I can store #5401 value in #myvalue variable and call twice G10 L1 P1 X[#myvalue], I will try this today.
If anybody has a way to understand what happened, I would prefer.
  • Hastrh2o
  • Hastrh2o
25 Feb 2025 07:54
Replied by Hastrh2o on topic que me recomiendan hacer?

que me recomiendan hacer?

Category: General LinuxCNC Questions

Hi,
The 7i96S would be a better choice to drive a STEP/DIR driver like yours. Can't you change to 7i96S ?
  • Aciera
  • Aciera's Avatar
25 Feb 2025 07:16 - 25 Feb 2025 07:25
Replied by Aciera on topic Elumatec SBZ 130/01 retrofit

Elumatec SBZ 130/01 retrofit

Category: CNC Machines

Seems that these drives use a fieldbus interface which makes it pretty much impossible to use them in a LinuxCNC retrofit.
  • jairobbo
  • jairobbo
25 Feb 2025 06:55 - 25 Feb 2025 08:39

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Hi all,First of all I wanted to express my grattitute for the assistance on getting the octopus board to run Remora LinuxCNC.Since I actually want to print cool stuff on the 5 axis modified Ender3 3d printer, I am writing 2 addons for Blender. The first is an indexed slicer that let's the user chop off overhanging parts of the model, so they're printed in a more gravity friendly orientation. The second is a "magic spiral toolpath generator". I love to print miniatures and have this TINtIN buste taht is perfect to test out this strategy. The idea is that the entire model is printed in one spiral motion, while the machine orients itself to pe perpenticular to the path and flush with the mesh direction.To save myself the challenge of writing a toolpath postprocessor I wanted to ask here about if anyone knows if there exists something already to achieve this. I was thinking to bring my blender curve to another app and modify the machine geometry and that finally have that amazing 5 axis gcode :)btw both addons can be found on my github: bbo-gitI'm attaching a small screen shot for your entertainment ;)See you!Jairo

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