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  • Beef
  • Beef's Avatar
21 Jan 2025 00:11
Replied by Beef on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Grotius you're a madlad

I'm pretty sure you can just send this to a university and they'll send you back a math degree diploma

I've been away from the game for quite a while as I was finishing school myself, but I'll put this to work in the near future
  • Tntmold
  • Tntmold
21 Jan 2025 00:10

Ethercat build from source - full instructions

Category: EtherCAT

thanks so much! I only bought two of the eventual 5 axis, which are Lichuan OL3-E57H open loop stepper drivers. I have an xml file from the manufacturer and they are supposed to be CIA402 compliant, but I don't yet know how to set this up.
  • Yaroslav
  • Yaroslav
21 Jan 2025 00:01
Replied by Yaroslav on topic M6 Remap Lathe (Remap T & ignore M6)

M6 Remap Lathe (Remap T & ignore M6)

Category: General LinuxCNC Questions

Even while the carousel component is running, it is impossible to stop the process (in MDI mode, there is a cross in the lower right corner), only the program can be completely turned off. Even if an error occurs, for example, the tool search time has expired.
  • ihavenofish
  • ihavenofish
20 Jan 2025 23:33
Replied by ihavenofish on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

O_o

o_O
  • CORBETT
  • CORBETT's Avatar
20 Jan 2025 22:36

Ethercat build from source - full instructions

Category: EtherCAT

Okay good deal, glad you got it working.

If you list your equipment that you are using, one of us will help you with the XML.  I will try to check back at some point to make sure someone or myself helps you get it going.  I apologize if I don't get back really soon, just overloaded with work and have very little free time.

Thanks,
Robert
  • Grotius
  • Grotius's Avatar
20 Jan 2025 22:22 - 20 Jan 2025 22:50
Replied by Grotius on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

@Julian,

Hal blend speed is a special feature, Mr. Lcvette requested this feature a while ago.
Blend speed can be used to tune a machine to it's inertia limits.

The blend is the fillet (rounding) between 2 trimmed (shortened) gcode lines (segments). Given the G64 P[..] value.
The blend speed is a factor value "0-1".
The blend speed is used to tell the planner how to behave at the blends, focussing on blend speed.
Curvature is the ammount off roundness of a arc or circle. It is related to the radius.
Based on curvature -> radius, the blend speed is calculated by mathematics.

-> hal_blend_speed
minimal value : 0.0
maximal value : 1.0

Example :
hal_blend_speed 0.0 = use blend speed based on curvature only. (safest way of running the machine, lowest output speed)
hal_blend_speed 0.5 = use 50% speed based on curvature, use 50% speed based on gcode feed.
hal_blend_speed 1.0 = use gcode feed only. (can become risky, machine may run beyond inertia limits, highest output speed)

On youtube there is a video, where you can see the difference at runtime on a real cnc machine.
Later on in the video the hal_blend_speed is set to 1.0 at time 5:51
video link

Then you can for example tune your machine to a hal_blend_speed : 0.85
This then you can edit in the source code and recompile. Then it becomes a startup value.
fill in blend speed here.
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